{"id":1069,"date":"2023-05-28T02:28:29","date_gmt":"2023-05-27T18:28:29","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1069"},"modified":"2023-05-28T02:28:29","modified_gmt":"2023-05-27T18:28:29","slug":"aop%e5%ae%9e%e6%88%98-springboot-%e7%bb%9f%e4%b8%80%e5%8a%9f%e8%83%bd%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring-boot\/aop%e5%ae%9e%e6%88%98-springboot-%e7%bb%9f%e4%b8%80%e5%8a%9f%e8%83%bd%e5%a4%84%e7%90%86\/","title":{"rendered":"AOP\u5b9e\u6218-SpringBoot \u7edf\u4e00\u529f\u80fd\u5904\u7406"},"content":{"rendered":"
\n

\u539f\u6587\uff1a<\/span>
blog.csdn.net\/yyhgo_\/article\/details\/128755308<\/span><\/p>\n

<\/mp-common-profile><\/section>\n

\u524d\u8a00<\/span><\/strong><\/h2>\n

<\/section>\n

\u63a5\u4e0b\u6765\u662f Spring Boot \u7edf\u2f00\u529f\u80fd\u5904\u7406\u6a21\u5757\u4e86\uff0c\u4e5f\u662f AOP \u7684\u5b9e\u6218\u73af\u8282\uff0c\u8981\u5b9e\u73b0\u7684\u8bfe\u7a0b\u2f6c\u6807\u6709\u4ee5\u4e0b 3 \u4e2a\uff1a<\/span><\/h2>\n
    \n
  • \n
    \u7edf\u2f00\u2f64\u6237\u767b\u5f55\u6743\u9650\u9a8c\u8bc1<\/span><\/section>\n<\/li>\n
  • \n
    \u7edf\u2f00\u6570\u636e\u683c\u5f0f\u8fd4\u56de<\/span><\/section>\n<\/li>\n
  • \n
    \u7edf\u2f00\u5f02\u5e38\u5904\u7406<\/span><\/section>\n<\/li>\n<\/ul>\n

    \u63a5\u4e0b\u6211\u4eec\u2f00\u4e2a\u2f00\u4e2a\u6765\u770b\u3002<\/span><\/p>\n


    <\/span><\/p>\n

    \u4e00\u3001\u7528\u6237\u767b\u5f55\u6743\u9650\u6548\u9a8c<\/span><\/strong><\/p>\n

    \u2f64\u6237\u767b\u5f55\u6743\u9650\u7684\u53d1\u5c55\u4ece\u4e4b\u524d\u6bcf\u4e2a\u2f45\u6cd5\u4e2d\u2f83\u2f30\u9a8c\u8bc1\u2f64\u6237\u767b\u5f55\u6743\u9650\uff0c\u5230\u73b0\u5728\u7edf\u2f00\u7684\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u5904\u7406\uff0c\u5b83\u662f\u2f00\u4e2a\u9010\u6e10\u5b8c\u5584\u548c\u9010\u6e10\u4f18\u5316\u7684\u8fc7\u7a0b\u3002<\/span><\/p>\n

    1.1 \u6700\u521d\u7684\u7528\u6237\u767b\u5f55\u9a8c\u8bc1<\/span><\/strong><\/p>\n

    \u6211\u4eec\u5148\u6765\u56de\u987e\u2f00\u4e0b\u6700\u521d\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u7684\u5b9e\u73b0\u2f45\u6cd5\uff1a<\/span><\/p>\n

    @RestController<\/span>
    @RequestMapping<\/span>(\"\/user\"<\/span>)
    public<\/span> class<\/span> UserController<\/span> <\/span>{
        \/**
         * \u67d0\u2f45\u6cd5 1
         *\/<\/span>
        @RequestMapping<\/span>(\"\/m1\"<\/span>)
        public<\/span> Object method<\/span>(HttpServletRequest request)<\/span> <\/span>{
            \/\/ \u6709 session \u5c31\u83b7\u53d6\uff0c\u6ca1\u6709\u4e0d\u4f1a\u521b\u5efa<\/span>
            HttpSession session = request.getSession(false<\/span>);
            if<\/span> (session != null<\/span> && session.getAttribute(\"userinfo\"<\/span>) != null<\/span>) {
                \/\/ \u8bf4\u660e\u5df2\u7ecf\u767b\u5f55\uff0c\u4e1a\u52a1\u5904\u7406<\/span>
                return<\/span> true<\/span>;
            } else<\/span> {
                \/\/ \u672a\u767b\u5f55<\/span>
                return<\/span> false<\/span>;
            }
        }
        \/**
         * \u67d0\u2f45\u6cd5 2
         *\/<\/span>
        @RequestMapping<\/span>(\"\/m2\"<\/span>)
        public<\/span> Object method2<\/span>(HttpServletRequest request)<\/span> <\/span>{
            \/\/ \u6709 session \u5c31\u83b7\u53d6\uff0c\u6ca1\u6709\u4e0d\u4f1a\u521b\u5efa<\/span>
            HttpSession session = request.getSession(false<\/span>);
            if<\/span> (session != null<\/span> && session.getAttribute(\"userinfo\"<\/span>) != null<\/span>) {
                \/\/ \u8bf4\u660e\u5df2\u7ecf\u767b\u5f55\uff0c\u4e1a\u52a1\u5904\u7406<\/span>
                return<\/span> true<\/span>;
            } else<\/span> {
                \/\/ \u672a\u767b\u5f55<\/span>
                return<\/span> false<\/span>;
            }
        }
        \/\/ \u5176\u4ed6\u2f45\u6cd5...<\/span>
    }
    <\/code><\/pre>\n
    \u4ece\u4e0a\u8ff0\u4ee3\u7801\u53ef\u4ee5\u770b\u51fa\uff0c\u6bcf\u4e2a\u2f45\u6cd5\u4e2d\u90fd\u6709\u76f8\u540c\u7684\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u6743\u9650\uff0c\u5b83\u7684\u7f3a\u70b9\u662f\uff1a<\/span><\/p>\n
      \n
    • \n
      \u6bcf\u4e2a\u2f45\u6cd5\u4e2d\u90fd\u8981\u5355\u72ec\u5199\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u7684\u2f45\u6cd5\uff0c\u5373\u4f7f\u5c01\u88c5\u6210\u516c\u5171\u2f45\u6cd5\uff0c\u4e5f\u2f00\u6837\u8981\u4f20\u53c2\u8c03\u2f64\u548c\u5728\u2f45\u6cd5\u4e2d\u8fdb\u2f8f\u5224\u65ad\u3002<\/span><\/section>\n<\/li>\n
    • \n
      \u6dfb\u52a0\u63a7\u5236\u5668\u8d8a\u591a\uff0c\u8c03\u2f64\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u7684\u2f45\u6cd5\u4e5f\u8d8a\u591a\uff0c\u8fd9\u6837\u5c31\u589e\u52a0\u4e86\u540e\u671f\u7684\u4fee\u6539\u6210\u672c\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/span><\/section>\n<\/li>\n
    • \n
      \u8fd9\u4e9b\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\u7684\u2f45\u6cd5\u548c\u63a5\u4e0b\u6765\u8981\u5b9e\u73b0\u7684\u4e1a\u52a1\u2f0f\u4f55\u6ca1\u6709\u4efb\u4f55\u5173\u8054\uff0c\u4f46\u6bcf\u4e2a\u2f45\u6cd5\u4e2d\u90fd\u8981\u5199\u2f00\u904d\u3002<\/span><\/section>\n<\/li>\n<\/ul>\n
      \u6240\u4ee5\u63d0\u4f9b\u2f00\u4e2a\u516c\u5171\u7684 AOP \u2f45\u6cd5\u6765\u8fdb\u2f8f\u7edf\u2f00\u7684\u2f64\u6237\u767b\u5f55\u6743\u9650\u9a8c\u8bc1\u8feb\u5728\u7709\u776b\u3002<\/span><\/p>\n
      1.2 Spring AOP \u7528\u6237\u7edf\u4e00\u767b\u5f55\u9a8c\u8bc1\u7684\u95ee\u9898<\/span><\/strong><\/p>\n
      \u8bf4\u5230\u7edf\u2f00\u7684\u2f64\u6237\u767b\u5f55\u9a8c\u8bc1\uff0c\u6211\u4eec\u60f3\u5230\u7684\u7b2c\u2f00\u4e2a\u5b9e\u73b0\u2f45\u6848\u662f Spring AOP \u524d\u7f6e\u901a\u77e5\u6216\u73af\u7ed5\u901a\u77e5\u6765\u5b9e\u73b0\uff0c\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
      import<\/span> org.aspectj.lang.ProceedingJoinPoint;
      import<\/span> org.aspectj.lang.annotation.*;
      import<\/span> org.springframework.stereotype.Component;
      @Aspect<\/span>
      @Component<\/span>
      public<\/span> class<\/span> UserAspect<\/span> <\/span>{
          \/\/ \u5b9a\u4e49\u5207\u70b9\u2f45\u6cd5 controller \u5305\u4e0b\u3001\u2f26\u5b59\u5305\u4e0b\u6240\u6709\u7c7b\u7684\u6240\u6709\u2f45\u6cd5<\/span>
          @Pointcut<\/span>(\"execution(* com.example.demo.controller..*.*(..))\"<\/span>)
          public<\/span> void<\/span> pointcut<\/span>()<\/span><\/span>{ }
          \/\/ \u524d\u7f6e\u2f45\u6cd5<\/span>
          @Before<\/span>(\"pointcut()\"<\/span>)
          public<\/span> void<\/span> doBefore<\/span>()<\/span><\/span>{

          }

          \/\/ \u73af\u7ed5\u2f45\u6cd5<\/span>
          @Around<\/span>(\"pointcut()\"<\/span>)
          public<\/span> Object doAround<\/span>(ProceedingJoinPoint joinPoint)<\/span><\/span>{
              Object obj = null<\/span>;
              System.out.println(\"Around \u2f45\u6cd5\u5f00\u59cb\u6267\u2f8f\"<\/span>);
              try<\/span> {
                  \/\/ \u6267\u2f8f\u62e6\u622a\u2f45\u6cd5<\/span>
                  obj = joinPoint.proceed();
              } catch<\/span> (Throwable throwable) {
                  throwable.printStackTrace();
              }
              System.out.println(\"Around \u2f45\u6cd5\u7ed3\u675f\u6267\u2f8f\"<\/span>);
              return<\/span> obj;
          }
      }
      <\/code><\/pre>\n
      \u5982\u679c\u8981\u5728\u4ee5\u4e0a Spring AOP \u7684\u5207\u2faf\u4e2d\u5b9e\u73b0\u2f64\u6237\u767b\u5f55\u6743\u9650\u6548\u9a8c\u7684\u529f\u80fd\uff0c\u6709\u4ee5\u4e0b\u4e24\u4e2a\u95ee\u9898\uff1a<\/span><\/p>\n
        \n
      • \n
        \u6ca1\u529e\u6cd5\u83b7\u53d6\u5230 HttpSession \u5bf9\u8c61\u3002<\/span><\/section>\n<\/li>\n
      • \n
        \u6211\u4eec\u8981\u5bf9\u2f00\u90e8\u5206\u2f45\u6cd5\u8fdb\u2f8f\u62e6\u622a\uff0c\u2f7d\u53e6\u2f00\u90e8\u5206\u2f45\u6cd5\u4e0d\u62e6\u622a\uff0c\u5982\u6ce8\u518c\u2f45\u6cd5\u548c\u767b\u5f55\u2f45\u6cd5\u662f\u4e0d\u62e6\u622a\u7684\uff0c\u8fd9\u6837\u7684\u8bdd\u6392\u9664\u2f45\u6cd5\u7684\u89c4\u5219\u5f88\u96be\u5b9a\u4e49\uff0c\u751a\u2f84\u6ca1\u529e\u6cd5\u5b9a\u4e49\u3002<\/span><\/section>\n<\/li>\n<\/ul>\n
        \u90a3\u8fd9\u6837\u5982\u4f55\u89e3\u51b3\u5462\uff1f<\/span><\/p>\n
        1.3 Spring \u62e6\u622a\u5668<\/span><\/strong><\/p>\n
        \u5bf9\u4e8e\u4ee5\u4e0a\u95ee\u9898 Spring \u4e2d\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u5b9e\u73b0\u62e6\u622a\u5668\uff1a<\/span>HandlerInterceptor<\/span><\/code>\uff0c\u62e6\u622a\u5668\u7684\u5b9e\u73b0\u5206\u4e3a\u4ee5\u4e0b\u4e24\u4e2a\u6b65\u9aa4\uff1a<\/span><\/p>\n
          \n
        • \n
          \u521b\u5efa\u2f83\u5b9a\u4e49\u62e6\u622a\u5668\uff0c\u5b9e\u73b0 <\/span>HandlerInterceptor<\/span><\/code> \u63a5\u2f1d\u7684 <\/span>preHandle<\/span><\/code>\uff08\u6267\u2f8f\u5177\u4f53\u2f45\u6cd5\u4e4b\u524d\u7684\u9884\u5904\u7406\uff09\u2f45\u6cd5\u3002<\/span><\/section>\n<\/li>\n
        • \n
          \u5c06\u2f83\u5b9a\u4e49\u62e6\u622a\u5668\u52a0\u2f0a <\/span>WebMvcConfigurer<\/span><\/code> \u7684 <\/span>addInterceptors<\/span><\/code> \u2f45\u6cd5\u4e2d\u3002<\/span><\/section>\n<\/li>\n<\/ul>\n
          \u5177\u4f53\u5b9e\u73b0\u5982\u4e0b\u3002<\/span><\/p>\n
          \u8865\u5145 \u8fc7\u6ee4\u5668\uff1a<\/span><\/p>\n
          \n
          \u8fc7\u6ee4\u5668\u662fWeb\u5bb9\u5668\u63d0\u4f9b\u7684\u3002\u89e6\u53d1\u7684\u65f6\u673a\u6bd4\u62e6\u622a\u5668\u66f4\u9760\u524d\uff0cSpring \u521d\u59cb\u5316\u524d\u5c31\u6267\u884c\u4e86\uff0c\u6240\u4ee5\u5e76\u4e0d\u80fd\u5904\u7406\u7528\u6237\u767b\u5f55\u6743\u9650\u6548\u9a8c\u7b49\u95ee\u9898\u3002<\/span><\/p>\n<\/blockquote>\n
          1.3.1 \u51c6\u5907\u5de5\u4f5c<\/span><\/strong><\/h5>\n
          package<\/span> com.example.demo.controller;

          import<\/span> lombok.extern.slf4j.Slf4j;
          import<\/span> org.springframework.util.StringUtils;
          import<\/span> org.springframework.web.bind.annotation.RequestMapping;
          import<\/span> org.springframework.web.bind.annotation.RestController;

          import<\/span> javax.servlet.http.HttpServletRequest;
          import<\/span> javax.servlet.http.HttpSession;

          @RestController<\/span>
          @RequestMapping<\/span>(\"\/user\"<\/span>)
          @Slf<\/span>4j
          public<\/span> class<\/span> UserController<\/span> <\/span>{

              @RequestMapping<\/span>(\"\/login\"<\/span>)
              public<\/span> boolean<\/span> login<\/span>(HttpServletRequest request,
                                   String username, String password)<\/span> <\/span>{
          \/\/        \/\/ 1.\u975e\u7a7a\u5224\u65ad<\/span>
          \/\/        if (username != null && username != \"\" &&<\/span>
          \/\/                password != null && username != \"\") {<\/span>
          \/\/            \/\/ 2.\u9a8c\u8bc1\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e<\/span>
          \/\/        }<\/span>

                  \/\/ 1.\u975e\u7a7a\u5224\u65ad<\/span>
                  if<\/span> (StringUtils.hasLength(username) && StringUtils.hasLength(password)) {
                      \/\/ 2.\u9a8c\u8bc1\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e<\/span>
                      if<\/span> (\"admin\"<\/span>.equals(username) && \"admin\"<\/span>.equals(password)) {
                          \/\/ \u767b\u5f55\u6210\u529f<\/span>
                          HttpSession session = request.getSession();
                          session.setAttribute(\"userinfo\"<\/span>, \"admin\"<\/span>);
                          return<\/span> true<\/span>;
                      } else<\/span> {
                          \/\/ \u7528\u6237\u540d\u6216\u5bc6\u7801\u8f93\u5165\u9519\u8bef<\/span>
                          return<\/span> false<\/span>;
                      }
                  }
                  return<\/span> false<\/span>;
              }

              @RequestMapping<\/span>(\"\/getinfo\"<\/span>)
              public<\/span> String getInfo<\/span>()<\/span> <\/span>{
                  log.debug(\"\u6267\u884c\u4e86 getinfo \u65b9\u6cd5\"<\/span>);
                  return<\/span> \"\u6267\u884c\u4e86 getinfo \u65b9\u6cd5\"<\/span>;
              }

              @RequestMapping<\/span>(\"\/reg\"<\/span>)
              public<\/span> String reg<\/span>()<\/span> <\/span>{
                  log.debug(\"\u6267\u884c\u4e86 reg \u65b9\u6cd5\"<\/span>);
                  return<\/span> \"\u6267\u884c\u4e86 reg \u65b9\u6cd5\"<\/span>;
              }

          }
          <\/code><\/pre>\n
          1.3.2 \u81ea\u5b9a\u4e49\u62e6\u622a\u5668<\/span><\/strong><\/h5>\n
          \u63a5\u4e0b\u6765\u4f7f\u2f64\u4ee3\u7801\u6765\u5b9e\u73b0\u2f00\u4e2a\u2f64\u6237\u767b\u5f55\u7684\u6743\u9650\u6548\u9a8c\uff0c\u2f83\u5b9a\u4e49\u62e6\u622a\u5668\u662f\u2f00\u4e2a\u666e\u901a\u7c7b\uff0c\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
          package<\/span> com.example.demo.config;

          import<\/span> lombok.extern.slf4j.Slf4j;
          import<\/span> org.springframework.stereotype.Component;
          import<\/span> org.springframework.web.servlet.HandlerInterceptor;

          import<\/span> javax.servlet.http.HttpServletRequest;
          import<\/span> javax.servlet.http.HttpServletResponse;
          import<\/span> javax.servlet.http.HttpSession;

          \/**
           * \u767b\u5f55\u62e6\u622a\u5668
           *\/<\/span>
          @Component<\/span>
          @Slf<\/span>4j
          public<\/span> class<\/span> LoginInterceptor<\/span> implements<\/span> HandlerInterceptor<\/span> <\/span>{

              @Override<\/span>
              public<\/span> boolean<\/span> preHandle<\/span>(HttpServletRequest request, HttpServletResponse response, Object handler)<\/span> throws<\/span> Exception <\/span>{
                  \/\/ \u767b\u5f55\u5224\u65ad\u4e1a\u52a1<\/span>
                  HttpSession session = request.getSession(false<\/span>);
                  if<\/span> (session != null<\/span> && session.getAttribute(\"userinfo\"<\/span>) != null<\/span>) {
                      return<\/span> true<\/span>;
                  }
                  log.error(\"\u5f53\u524d\u7528\u6237\u6ca1\u6709\u8bbf\u95ee\u6743\u9650\"<\/span>);
                  response.setStatus(401<\/span>);
                  return<\/span> false<\/span>;
              }
          }
          <\/code><\/pre>\n
          \u8fd4\u56de boolean \u7c7b\u578b\u3002<\/span><\/p>\n
          \u76f8\u5f53\u4e8e\u4e00\u5c42\u5b89\u4fdd\uff1a<\/span><\/p>\n
          \n
          \u4e3a false \u5219\u4e0d\u80fd\u7ee7\u7eed\u5f80\u4e0b\u6267\u884c\uff1b\u4e3a true \u5219\u53ef\u4ee5\u3002<\/span><\/p>\n<\/blockquote>\n
          1.3.3 \u5c06\u81ea\u5b9a\u4e49\u62e6\u622a\u5668\u52a0\u5165\u5230\u7cfb\u7edf\u914d\u7f6e<\/span><\/strong><\/h5>\n
          \u5c06\u4e0a\u2f00\u6b65\u4e2d\u7684\u2f83\u5b9a\u4e49\u62e6\u622a\u5668\u52a0\u2f0a\u5230\u7cfb\u7edf\u914d\u7f6e\u4fe1\u606f\u4e2d\uff0c\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
          package<\/span> com.example.demo.config;

          import<\/span> org.springframework.beans.factory.annotation.Autowired;
          import<\/span> org.springframework.context.annotation.Configuration;
          import<\/span> org.springframework.web.servlet.config.annotation.InterceptorRegistry;
          import<\/span> org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
          import<\/span> org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

          @Configuration<\/span> \/\/ \u4e00\u5b9a\u4e0d\u8981\u5fd8\u8bb0<\/span>
          public<\/span> class<\/span> MyConfig<\/span> implements<\/span> WebMvcConfigurer<\/span> <\/span>{

              @Autowired<\/span>
              private<\/span> LoginInterceptor loginInterceptor;

              @Override<\/span>
              public<\/span> void<\/span> addInterceptors<\/span>(InterceptorRegistry registry)<\/span> <\/span>{
                  registry.addInterceptor(loginInterceptor)
                          .addPathPatterns(\"\/**\"<\/span>) \/\/ \u62e6\u622a\u6240\u6709\u8bf7\u6c42<\/span>
                          .excludePathPatterns(\"\/user\/login\"<\/span>) \/\/ \u6392\u9664\u4e0d\u62e6\u622a\u7684 url<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.html\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.js\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.css\")<\/span>
                          .excludePathPatterns(\"\/user\/reg\"<\/span>); \/\/ \u6392\u9664\u4e0d\u62e6\u622a\u7684 url<\/span>
              }
          }
          <\/code><\/pre>\n
          \u6216\u8005\uff1a<\/span><\/p>\n
          package<\/span> com.example.demo.common;

          import<\/span> org.springframework.beans.factory.annotation.Autowired;
          import<\/span> org.springframework.context.annotation.Configuration;
          import<\/span> org.springframework.web.servlet.config.annotation.InterceptorRegistration;
          import<\/span> org.springframework.web.servlet.config.annotation.InterceptorRegistry;
          import<\/span> org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

          import<\/span> java.util.ArrayList;
          import<\/span> java.util.List;

          @Configuration<\/span>
          public<\/span> class<\/span> AppConfig<\/span> implements<\/span> WebMvcConfigurer<\/span> <\/span>{

              \/\/ \u4e0d\u62e6\u622a\u7684 url \u96c6\u5408<\/span>
              List<String> excludes = new<\/span> ArrayList<String>() {{
                  add(\"\/**\/*.html\");
                  add(\"\/js\/**\");
                  add(\"\/editor.md\/**\");
                  add(\"\/css\/**\");
                  add(\"\/img\/**\"); \/\/ \u653e\u884c static\/img \u4e0b\u7684\u6240\u6709\u6587\u4ef6
                  add(\"\/user\/login\"); \/\/ \u653e\u884c\u767b\u5f55\u63a5\u53e3
                  add(\"\/user\/reg\"); \/\/ \u653e\u884c\u6ce8\u518c\u63a5\u53e3
                  add(\"\/art\/detail\"); \/\/ \u653e\u884c\u6587\u7ae0\u8be6\u60c5\u63a5\u53e3
                  add(\"\/art\/list\"); \/\/ \u653e\u884c\u6587\u7ae0\u5206\u9875\u5217\u8868\u63a5\u53e3
                  add(\"\/art\/totalpage\"); \/\/ \u653e\u884c\u6587\u7ae0\u5206\u9875\u603b\u9875\u6570\u63a5\u53e3
              }};

              @Autowired<\/span>
              private<\/span> LoginInterceptor loginInterceptor;

              @Override<\/span>
              public<\/span> void<\/span> addInterceptors<\/span>(InterceptorRegistry registry)<\/span> <\/span>{
                  \/\/ \u914d\u7f6e\u62e6\u622a\u5668<\/span>
                  InterceptorRegistration registration =
                          registry.addInterceptor(loginInterceptor);
                  registration.addPathPatterns(\"\/**\"<\/span>);
                  registration.excludePathPatterns(excludes);
              }
          }
          <\/code><\/pre>\n
          \u5982\u679c\u4e0d\u6ce8\u5165\u5bf9\u8c61\u7684\u8bdd\uff0c<\/span>addInterceptor()<\/span><\/code> \u7684\u53c2\u6570\u4e5f\u53ef\u4ee5\u76f4\u63a5 new \u4e00\u4e2a\u5bf9\u8c61\uff1a<\/span><\/p>\n
          @Configuration<\/span> \/\/ \u4e00\u5b9a\u4e0d\u8981\u5fd8\u8bb0<\/span>
          public<\/span> class<\/span> MyConfig<\/span> implements<\/span> WebMvcConfigurer<\/span> <\/span>{

              @Override<\/span>
              public<\/span> void<\/span> addInterceptors<\/span>(InterceptorRegistry registry)<\/span> <\/span>{
                  registry.addInterceptor(new<\/span> LoginInterceptor())
                          .addPathPatterns(\"\/**\"<\/span>) \/\/ \u62e6\u622a\u6240\u6709\u8bf7\u6c42<\/span>
                          .excludePathPatterns(\"\/user\/login\"<\/span>) \/\/ \u6392\u9664\u4e0d\u62e6\u622a\u7684 url<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.html\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.js\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.css\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/*.jpg\")<\/span>
          \/\/                .excludePathPatterns(\"\/**\/login\")<\/span>
                          .excludePathPatterns(\"\/user\/reg\"<\/span>); \/\/ \u6392\u9664\u4e0d\u62e6\u622a\u7684 url<\/span>
              }
          }
          <\/code><\/pre>\n
          \u5176\u4e2d\uff1a<\/span><\/p>\n
            \n
          • \n
            addPathPatterns<\/strong>\uff1a\u8868\u793a\u9700\u8981\u62e6\u622a\u7684 URL\uff0c\u201c<\/span>**<\/span><\/code>\u201d\u8868\u793a\u62e6\u622a\u4efb\u610f\u2f45\u6cd5\uff08\u4e5f\u5c31\u662f\u6240\u6709\u2f45\u6cd5\uff09\u3002<\/span><\/section>\n<\/li>\n
          • \n
            excludePathPatterns<\/strong>\uff1a\u8868\u793a\u9700\u8981\u6392\u9664\u7684 URL\u3002<\/span><\/section>\n<\/li>\n<\/ul>\n
            \u8bf4\u660e\uff1a\u4ee5\u4e0a\u62e6\u622a\u89c4\u5219\u53ef\u4ee5\u62e6\u622a\u6b64\u9879\u2f6c\u4e2d\u7684\u4f7f\u2f64 URL\uff0c\u5305\u62ec\u9759\u6001\u2f42\u4ef6 (\u56fe\u2f5a\u2f42\u4ef6\u3001JS \u548c CSS \u7b49\u2f42\u4ef6)\u3002<\/span><\/p>\n
            1.4 \u62e6\u622a\u5668\u5b9e\u73b0\u539f\u7406<\/span><\/strong><\/p>\n
            \u6b63\u5e38\u60c5\u51b5\u4e0b\u7684\u8c03\u2f64\u987a\u5e8f\uff1a<\/span><\/p>\n
            \u7136\u2f7d\u6709\u4e86\u62e6\u622a\u5668\u4e4b\u540e\uff0c\u4f1a\u5728\u8c03\u2f64 Controller \u4e4b\u524d\u8fdb\u2f8f\u76f8\u5e94\u7684\u4e1a\u52a1\u5904\u7406\uff0c\u6267\u2f8f\u7684\u6d41\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n
            1.4.1 \u5b9e\u73b0\u539f\u7406\u6e90\u7801\u5206\u6790<\/strong><\/span><\/h5>\n
            \u6240\u6709\u7684 Controller \u6267\u2f8f\u90fd\u4f1a\u901a\u8fc7\u2f00\u4e2a\u8c03\u5ea6\u5668 <\/span>DispatcherServlet<\/span><\/code> \u6765\u5b9e\u73b0\uff0c\u8fd9\u2f00\u70b9\u53ef\u4ee5\u4ece Spring Boot \u63a7\u5236\u53f0\u7684\u6253\u5370\u4fe1\u606f\u770b\u51fa\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n
            \u2f7d\u6240\u6709\u2f45\u6cd5\u90fd\u4f1a\u6267\u2f8f <\/span>DispatcherServlet<\/span><\/code> \u4e2d\u7684 doDispatch \u8c03\u5ea6\u2f45\u6cd5\uff0cdoDispatch \u6e90\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
            protected<\/span> void<\/span> doDispatch<\/span>(HttpServletRequest request, HttpServletResponse
                    response)<\/span> throws<\/span> Exception <\/span>{
                HttpServletRequest processedRequest = request;
                HandlerExecutionChain mappedHandler = null<\/span>;
                boolean<\/span> multipartRequestParsed = false<\/span>;
                WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(request);
                try<\/span> {
                    try<\/span> {
                        ModelAndView mv = null<\/span>;
                        Object dispatchException = null<\/span>;
                        try<\/span> {
                            processedRequest = this<\/span>.checkMultipart(request);
                            multipartRequestParsed = processedRequest != request;
                            mappedHandler = this<\/span>.getHandler(processedRequest);
                            if<\/span> (mappedHandler == null<\/span>) {
                                this<\/span>.noHandlerFound(processedRequest, response);
                                return<\/span>;
                            }
                            HandlerAdapter ha = this<\/span>.getHandlerAdapter(mappedHandler.g
                                    etHandler<\/span>()<\/span>)<\/span>;
                            String method = request.getMethod();
                            boolean<\/span> isGet = HttpMethod.GET.matches(method);
                            if<\/span> (isGet || HttpMethod.HEAD.matches(method)) {
                                long<\/span> lastModified = ha.getLastModified(request, mapped
                                        Handler.getHandler());
                                if<\/span> ((new<\/span> ServletWebRequest(request, response)).checkNo
                                tModified<\/span>(lastModified)<\/span> && isGet) <\/span>{
                                    return<\/span>;
                                }
                            }
                            \/\/ \u8c03\u2f64\u9884\u5904\u7406\u3010\u91cd\u70b9\u3011<\/span>
                            if<\/span> (!mappedHandler.applyPreHandle(processedRequest, respon
                                    se)) {
                                return<\/span>;
                            }
                            \/\/ \u6267\u2f8f Controller \u4e2d\u7684\u4e1a\u52a1<\/span>
                            mv = ha.handle(processedRequest, response, mappedHandler.g
                                    etHandler<\/span>()<\/span>)<\/span>;
                            if<\/span> (asyncManager.isConcurrentHandlingStarted()) {
                                return<\/span>;
                            }
                            this<\/span>.applyDefaultViewName(processedRequest, mv);
                            mappedHandler.applyPostHandle(processedRequest, response,
                                    mv);
                        } catch<\/span> (Exception var20) {
                            dispatchException = var20;
                        } catch<\/span> (Throwable var21) {
                            dispatchException = new<\/span> NestedServletException(\"Handler di
                                    spatch failed\"<\/span>, var21);
                        }
                        this<\/span>.processDispatchResult(processedRequest, response, mappedH
                                andler, mv, (Exception)dispatchException);
                    } catch<\/span> (Exception var22) {
                        this<\/span>.triggerAfterCompletion(processedRequest, response, mapped
                                Handler, var22);
                    } catch<\/span> (Throwable var23) {
                        this<\/span>.triggerAfterCompletion(processedRequest, response, mapped
                                Handler, new<\/span> NestedServletException(\"Handler processing failed\"<\/span>, var23));
                    }
                } finally<\/span> {
                    if<\/span> (asyncManager.isConcurrentHandlingStarted()) {
                        if<\/span> (mappedHandler != null<\/span>) {
                            mappedHandler.applyAfterConcurrentHandlingStarted(processe
                                    dRequest, response);
                        }
                    } else<\/span> if<\/span> (multipartRequestParsed) {
                        this<\/span>.cleanupMultipart(processedRequest);
                    }
                }
            }
            <\/code><\/pre>\n
            \u4ece\u4e0a\u8ff0\u6e90\u7801\u53ef\u4ee5\u770b\u51fa\u5728\u5f00\u59cb\u6267\u2f8f Controller \u4e4b\u524d\uff0c\u4f1a\u5148\u8c03\u2f64 \u9884\u5904\u7406\u2f45\u6cd5 <\/span>applyPreHandle<\/span><\/code>\uff0c\u2f7d <\/span>applyPreHandle<\/span><\/code> \u2f45\u6cd5\u7684\u5b9e\u73b0\u6e90\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
            boolean<\/span> applyPreHandle<\/span>(HttpServletRequest request, HttpServletResponse response)<\/span> throws<\/span> Exception <\/span>{
                for<\/span>(int<\/span> i = 0<\/span>; i < this<\/span>.interceptorList.size(); this<\/span>.interceptorIndex
                        = i++) {
                    \/\/ \u83b7\u53d6\u9879\u2f6c\u4e2d\u4f7f\u2f64\u7684\u62e6\u622a\u5668 HandlerInterceptor<\/span>
                    HandlerInterceptor interceptor = (HandlerInterceptor)this<\/span>.intercep
                    torList.get(i);
                    if<\/span> (!interceptor.preHandle(request, response, this<\/span>.handler)) {
                        this<\/span>.triggerAfterCompletion(request, response, (Exception)null<\/span>
                        );
                        return<\/span> false<\/span>;
                    }
                }
                return<\/span> true<\/span>;
            }
            <\/code><\/pre>\n
            \u4ece\u4e0a\u8ff0\u6e90\u7801\u53ef\u4ee5\u770b\u51fa\uff0c\u5728 <\/span>applyPreHandle<\/span><\/code> \u4e2d\u4f1a\u83b7\u53d6\u6240\u6709\u7684\u62e6\u622a\u5668 <\/span>HandlerInterceptor<\/span><\/code> \u5e76\u6267\u2f8f\u62e6\u622a\u5668\u4e2d\u7684 <\/span>preHandle<\/span><\/code> \u2f45\u6cd5\uff0c\u8fd9\u6837\u5c31\u4f1a\u54b1\u4eec\u524d\u2faf\u5b9a\u4e49\u7684\u62e6\u622a\u5668\u5bf9\u5e94\u4e0a\u4e86\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n
            \u6b64\u65f6\u2f64\u6237\u767b\u5f55\u6743\u9650\u7684\u9a8c\u8bc1\u2f45\u6cd5\u5c31\u4f1a\u6267\u2f8f\uff0c\u8fd9\u5c31\u662f\u62e6\u622a\u5668\u7684\u5b9e\u73b0\u539f\u7406\u3002<\/span><\/p>\n
            1.4.2 \u62e6\u622a\u5668\u5c0f\u7ed3<\/span><\/strong><\/p>\n
            \u901a\u8fc7\u4e0a\u2faf\u7684\u6e90\u7801\u5206\u6790\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0cSpring \u4e2d\u7684\u62e6\u622a\u5668\u4e5f\u662f\u901a\u8fc7\u52a8\u6001\u4ee3\u7406\u548c\u73af\u7ed5\u901a\u77e5\u7684\u601d\u60f3\u5b9e\u73b0\u7684\uff0c\u2f24\u4f53\u7684\u8c03\u2f64\u6d41\u7a0b\u5982\u4e0b\uff1a<\/span><\/p>\n
            1.5 \u6269\u5c55\uff1a\u7edf\u4e00\u8bbf\u95ee\u524d\u7f00\u6dfb\u52a0<\/span><\/strong><\/h3>\n
            \u6240\u6709\u8bf7\u6c42\u5730\u5740\u6dfb\u52a0 api \u524d\u7f00\uff1a<\/span><\/p>\n
            @Configuration<\/span>
            public<\/span> class<\/span> AppConfig<\/span> implements<\/span> WebMvcConfigurer<\/span> <\/span>{
                \/\/ \u6240\u6709\u7684\u63a5\u2f1d\u6dfb\u52a0 api \u524d\u7f00<\/span>
                @Override<\/span>
                public<\/span> void<\/span> configurePathMatch<\/span>(PathMatchConfigurer configurer)<\/span> <\/span>{
                    configurer.addPathPrefix(\"api\"<\/span>, c -> true<\/span>);
                }
            }
            <\/code><\/pre>\n
            \u5176\u4e2d\u7b2c\u2f06\u4e2a\u53c2\u6570\u662f\u2f00\u4e2a\u8868\u8fbe\u5f0f\uff0c\u8bbe\u7f6e\u4e3a true \u8868\u793a\u542f\u52a8\u524d\u7f00\u3002<\/span><\/p>\n

            <\/p>\n
            \u4e8c\u3001\u7edf\u4e00\u5f02\u5e38\u5904\u7406<\/span><\/strong><\/p>\n
            \u7edf\u2f00\u5f02\u5e38\u5904\u7406\u4f7f\u2f64\u7684\u662f <\/span>@ControllerAdvice + @ExceptionHandler<\/span><\/code> \u6765\u5b9e\u73b0\u7684\uff0c<\/span>@ControllerAdvice<\/span><\/code> \u8868\u793a\u63a7\u5236\u5668\u901a\u77e5\u7c7b\uff0c<\/span>@ExceptionHandler<\/span><\/code> \u662f\u5f02\u5e38\u5904\u7406\u5668\uff0c\u4e24\u4e2a\u7ed3\u5408\u8868\u793a\u5f53\u51fa\u73b0\u5f02\u5e38\u7684\u65f6\u5019\u6267\u2f8f\u67d0\u4e2a\u901a\u77e5\uff0c\u4e5f\u5c31\u662f\u6267\u2f8f\u67d0\u4e2a\u2f45\u6cd5\u4e8b\u4ef6\uff0c\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
            package<\/span> com.example.demo.config;

            import<\/span> org.springframework.web.bind.annotation.ControllerAdvice;
            import<\/span> org.springframework.web.bind.annotation.ExceptionHandler;
            import<\/span> org.springframework.web.bind.annotation.ResponseBody;

            import<\/span> java.util.HashMap;

            \/**
             * \u7edf\u4e00\u5904\u7406\u5f02\u5e38
             *\/<\/span>
            @ControllerAdvice<\/span>
            public<\/span> class<\/span> ErrorAdive<\/span> <\/span>{

                @ExceptionHandler<\/span>(Exception.class<\/span>)
                @ResponseBody<\/span>
                public<\/span> HashMap<\/span><String<\/span>, Object<\/span>> exceptionAdvie<\/span>(Exception<\/span> e<\/span>) <\/span>{
                    HashMap<String, Object> result = new<\/span> HashMap<>();
                    result.put(\"code\"<\/span>, \"-1\"<\/span>);
                    result.put(\"msg\"<\/span>, e.getMessage());
                    return<\/span> result;
                }

                @ExceptionHandler<\/span>(ArithmeticException.class<\/span>)
                @ResponseBody<\/span>
                public<\/span> HashMap<\/span><String<\/span>, Object<\/span>> arithmeticAdvie<\/span>(ArithmeticException<\/span> e<\/span>) <\/span>{
                    HashMap<String, Object> result = new<\/span> HashMap<>();
                    result.put(\"code\"<\/span>, \"-2\"<\/span>);
                    result.put(\"msg\"<\/span>, e.getMessage());
                    return<\/span> result;
                }

            }
            <\/code><\/pre>\n
            \u65b9\u6cd5\u540d\u548c\u8fd4\u56de\u503c\u53ef\u4ee5\u2f83\u5b9a\u4e49\uff0c\u91cd\u8981\u7684\u662f <\/span>@ControllerAdvice<\/span><\/code> \u548c <\/span>@ExceptionHandler<\/span><\/code> \u6ce8\u89e3\u3002<\/span><\/p>\n
            \u4ee5\u4e0a\u2f45\u6cd5\u8868\u793a\uff0c\u5982\u679c\u51fa\u73b0\u4e86\u5f02\u5e38\u5c31\u8fd4\u56de\u7ed9\u524d\u7aef\u2f00\u4e2a HashMap \u7684\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u542b\u7684\u5b57\u6bb5\u5982\u4ee3\u7801\u4e2d\u5b9a\u4e49\u7684\u90a3\u6837\u3002<\/span><\/p>\n
            \u6211\u4eec\u53ef\u4ee5\u9488\u5bf9\u4e0d\u540c\u7684\u5f02\u5e38\uff0c\u8fd4\u56de\u4e0d\u540c\u7684\u7ed3\u679c\uff0c\u2f50\u4ee5\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/span><\/p>\n
            import<\/span> org.springframework.web.bind.annotation.ControllerAdvice;
            import<\/span> org.springframework.web.bind.annotation.ExceptionHandler;
            import<\/span> org.springframework.web.bind.annotation.ResponseBody;
            import<\/span> java.util.HashMap;
            @ControllerAdvice<\/span>
            @ResponseBody<\/span>
            public<\/span> class<\/span> ExceptionAdvice<\/span> <\/span>{
                @ExceptionHandler<\/span>(Exception.class<\/span>)
                public<\/span> Object<\/span> exceptionAdvice<\/span>(Exception<\/span> e<\/span>) <\/span>{
                    HashMap<String, Object> result = new<\/span> HashMap<>();
                    result.put(\"success\"<\/span>, -1<\/span>);
                    result.put(\"message\"<\/span>, \"\u603b\u7684\u5f02\u5e38\u4fe1\u606f\uff1a\"<\/span> + e.getMessage());
                    result.put(\"data\"<\/span>, null<\/span>);
                    return<\/span> result;
                }
                @ExceptionHandler<\/span>(NullPointerException.class<\/span>)
                public<\/span> Object<\/span> nullPointerexceptionAdvice<\/span>(NullPointerException<\/span> e<\/span>) <\/span>{
                    HashMap<String, Object> result = new<\/span> HashMap<>();
                    result.put(\"success\"<\/span>, -1<\/span>);
                    result.put(\"message\"<\/span>, \"\u7a7a\u6307\u9488\u5f02\u5e38\uff1a\"<\/span> + e.getMessage());
                    result.put(\"data\"<\/span>, null<\/span>);
                    return<\/span> result;
                }
            }
            <\/code><\/pre>\n
            \u5f53\u6709\u591a\u4e2a\u5f02\u5e38\u901a\u77e5\u65f6\uff0c\u5339\u914d\u987a\u5e8f\u4e3a\u5f53\u524d\u7c7b\u53ca\u5176\u5b50\u7c7b\u5411\u4e0a\u4f9d\u6b21\u5339\u914d\uff0c\u6848\u4f8b\u6f14\u793a\uff1a<\/span><\/p>\n
            \u5728 <\/span>UserController<\/span><\/code> \u4e2d\u8bbe\u7f6e\u2f00\u4e2a\u7a7a\u6307\u9488\u5f02\u5e38\uff0c\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
            @RestController<\/span>
            @RequestMapping<\/span>(\"\/u\"<\/span>)
            public<\/span> class<\/span> UserController<\/span> <\/span>{
                @RequestMapping<\/span>(\"\/index\"<\/span>)
                public<\/span> String index<\/span>()<\/span> <\/span>{
                    Object obj = null<\/span>;
                    int<\/span> i = obj.hashCode();
                    return<\/span> \"Hello,User Index.\"<\/span>;
                }
            }
            <\/code><\/pre>\n
            \u4ee5\u4e0a\u7a0b\u5e8f\u7684\u6267\u2f8f\u7ed3\u679c\u5982\u4e0b\uff1a<\/span><\/p>\n
            \u6b64\u65f6\u82e5\u51fa\u73b0\u5f02\u5e38\u5c31\u4e0d\u4f1a\u62a5\u9519\u4e86\uff0c\u4ee3\u7801\u4f1a\u7ee7\u7eed\u6267\u884c\uff0c\u4f46\u662f\u4f1a\u628a\u81ea\u5b9a\u4e49\u7684\u5f02\u5e38\u4fe1\u606f\u8fd4\u56de\u7ed9\u524d\u7aef\uff01<\/span><\/p>\n
            \u7edf\u4e00\u5b8c\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u540e\uff1a<\/span><\/p>\n
            package<\/span> com.example.demo.common;

            import<\/span> org.springframework.web.bind.annotation.ControllerAdvice;
            import<\/span> org.springframework.web.bind.annotation.ExceptionHandler;
            import<\/span> org.springframework.web.bind.annotation.ResponseBody;

            \/**
             * \u5f02\u5e38\u7c7b\u7684\u7edf\u4e00\u5904\u7406
             *\/<\/span>
            @ControllerAdvice<\/span>
            @ResponseBody<\/span>
            public<\/span> class<\/span> ExceptionAdvice<\/span> <\/span>{

                @ExceptionHandler<\/span>(Exception.class<\/span>)
                public<\/span> Object<\/span> exceptionAdvice<\/span>(Exception<\/span> e<\/span>) <\/span>{
                    return<\/span> AjaxResult.fail(-1<\/span>, e.getMessage());
                }
                
            }
            <\/code><\/pre>\n
            \u7edf\u4e00\u5f02\u5e38\u5904\u7406\u4e0d\u7528\u914d\u7f6e\u8def\u5f84\uff0c\u662f\u62e6\u622a\u6574\u4e2a\u9879\u76ee\u4e2d\u7684\u6240\u6709\u5f02\u5e38\u3002<\/span><\/p>\n

            <\/span><\/p>\n
            \u4e09\u3001\u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f<\/span><\/strong><\/p>\n
            3.1 \u4e3a\u4ec0\u4e48\u9700\u8981\u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\uff1f<\/span><\/strong><\/p>\n
            \u7edf\u2f00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u7684\u4f18\u70b9\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u4ee5\u4e0b\u51e0\u4e2a\uff1a<\/span><\/p>\n
              \n
            • \n
              \u2f45\u4fbf\u524d\u7aef\u7a0b\u5e8f\u5458\u66f4\u597d\u7684\u63a5\u6536\u548c\u89e3\u6790\u540e\u7aef\u6570\u636e\u63a5\u2f1d\u8fd4\u56de\u7684\u6570\u636e\u3002<\/span><\/section>\n<\/li>\n
            • \n
              \u964d\u4f4e\u524d\u7aef\u7a0b\u5e8f\u5458\u548c\u540e\u7aef\u7a0b\u5e8f\u5458\u7684\u6c9f\u901a\u6210\u672c\uff0c\u6309\u7167\u67d0\u4e2a\u683c\u5f0f\u5b9e\u73b0\u5c31\u2f8f\u4e86\uff0c\u56e0\u4e3a\u6240\u6709\u63a5\u2f1d\u90fd\u662f\u8fd9\u6837\u8fd4\u56de\u7684\u3002<\/span><\/section>\n<\/li>\n
            • \n
              \u6709\u5229\u4e8e\u9879\u2f6c\u7edf\u2f00\u6570\u636e\u7684\u7ef4\u62a4\u548c\u4fee\u6539\u3002<\/span><\/section>\n<\/li>\n
            • \n
              \u6709\u5229\u4e8e\u540e\u7aef\u6280\u672f\u90e8\u2ed4\u7684\u7edf\u2f00\u89c4\u8303\u7684\u6807\u51c6\u5236\u5b9a\uff0c\u4e0d\u4f1a\u51fa\u73b0\u7a00\u5947\u53e4\u602a\u7684\u8fd4\u56de\u5185\u5bb9\u3002<\/span><\/section>\n<\/li>\n<\/ul>\n
              3.2 \u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u7684\u5b9e\u73b0<\/span><\/strong><\/h3>\n
              \u7edf\u2f00\u7684\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u53ef\u4ee5\u4f7f\u7528 <\/span>@ControllerAdvice + ResponseBodyAdvice<\/span><\/code>\u63a5\u53e3 \u7684\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
              import<\/span> org.springframework.core.MethodParameter;
              import<\/span> org.springframework.http.MediaType;
              import<\/span> org.springframework.http.server.ServerHttpRequest;
              import<\/span> org.springframework.http.server.ServerHttpResponse;
              import<\/span> org.springframework.web.bind.annotation.ControllerAdvice;
              import<\/span> org.springframework.web.servlet.mvc.method.annotation.ResponseBodyA
              dvice;

              import<\/span> java.util.HashMap;

              \/**
               * \u7edf\u4e00\u8fd4\u56de\u6570\u636e\u7684\u5904\u7406
               *\/<\/span>
              @ControllerAdvice<\/span>
              public<\/span> class<\/span> ResponseAdvice<\/span> implements<\/span> ResponseBodyAdvice<\/span> <\/span>{
                  \/**
                   * \u5185\u5bb9\u662f\u5426\u9700\u8981\u91cd\u5199\uff08\u901a\u8fc7\u6b64\u2f45\u6cd5\u53ef\u4ee5\u9009\u62e9\u6027\u90e8\u5206\u63a7\u5236\u5668\u548c\u2f45\u6cd5\u8fdb\u2f8f\u91cd\u5199\uff09
                   * \u8fd4\u56de true \u8868\u793a\u91cd\u5199
                   *\/<\/span>
                  @Override<\/span>
                  public<\/span> boolean<\/span> supports<\/span>(MethodParameter returnType, Class converterTyp
              e)<\/span> <\/span>{
                      return<\/span> true<\/span>;
                  }
                  \/**
                   * \u2f45\u6cd5\u8fd4\u56de\u4e4b\u524d\u8c03\u2f64\u6b64\u2f45\u6cd5
                   *\/<\/span>
                  @Override<\/span>
                  public<\/span> Object beforeBodyWrite<\/span>(Object body, MethodParameter returnType,
                                                MediaType selectedContentType,
                                                Class selectedConverterType, ServerHttpR
                                                        equest request,
                                                ServerHttpResponse response)<\/span> <\/span>{
                      \/\/ \u6784\u9020\u7edf\u2f00\u8fd4\u56de\u5bf9\u8c61<\/span>
                      HashMap<String, Object> result = new<\/span> HashMap<>();
                      result.put(\"state\"<\/span>, 1<\/span>);
                      result.put(\"msg\"<\/span>, \"\"<\/span>);
                      result.put(\"data\"<\/span>, body);
                      return<\/span> result;
                  }
              }
              <\/code><\/pre>\n
              \u7edf\u4e00\u5904\u7406\u540e\uff0c\u6b64\u65f6\u6240\u6709\u8fd4\u56de\u7684\u90fd\u662f json \u683c\u5f0f\u7684\u6570\u636e\u4e86\u3002<\/span><\/p>\n
              \u82e5\u65b9\u6cd5\u7684\u8fd4\u56de\u7c7b\u578b\u4e3a String\uff0c\u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u5c01\u88c5\u540e\uff0c\u8fd4\u56de\u4f1a\u62a5\u9519\uff01\uff1f<\/span><\/p>\n
              \u8f6c\u6362\u5668\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u65b9\u6848\uff1a<\/span><\/p>\n
              \u5b9e\u9645\u5f00\u53d1\u4e2d\u8fd9\u79cd\u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\u7684\u65b9\u5f0f\u5e76\u4e0d\u5e38\u7528\u3002\u56e0\u4e3a\u5b83\u4f1a\u5c06\u6240\u6709\u8fd4\u56de\u90fd\u518d\u6b21\u8fdb\u884c\u5c01\u88c5\uff0c\u8fc7\u4e8e\u9738\u9053\u4e86 ~<\/span><\/p>\n
              \u800c\u901a\u5e38\u6211\u4eec\u4f1a\u5199\u4e00\u4e2a\u7edf\u4e00\u5c01\u88c5\u7684\u7c7b\uff0c\u8ba9\u7a0b\u5e8f\u733f\u5728\u8fd4\u56de\u65f6\u7edf\u4e00\u8fd4\u56de\u8fd9\u4e2a\u7c7b (\u8f6f\u6027\u7ea6\u675f)\uff0c\u4f8b\u5982\uff1a<\/span><\/p>\n
              package<\/span> com.example.demo.common;

              import<\/span> java.util.HashMap;

              \/**
               * \u81ea\u5b9a\u4e49\u7684\u7edf\u4e00\u8fd4\u56de\u5bf9\u8c61
               *\/<\/span>
              public<\/span> class<\/span> AjaxResult<\/span> <\/span>{
                  \/**
                   * \u4e1a\u52a1\u6267\u884c\u6210\u529f\u65f6\u8fdb\u884c\u8fd4\u56de\u7684\u65b9\u6cd5
                   *
                   * @param<\/span> data
                   * @return<\/span>
                   *\/<\/span>
                  public<\/span> static<\/span> HashMap<String, Object> success<\/span>(Object data)<\/span> <\/span>{
                      HashMap<String, Object> result = new<\/span> HashMap<>();
                      result.put(\"code\"<\/span>, 200<\/span>);
                      result.put(\"msg\"<\/span>, \"\"<\/span>);
                      result.put(\"data\"<\/span>, data);
                      return<\/span> result;
                  }

                  \/**
                   * \u4e1a\u52a1\u6267\u884c\u6210\u529f\u65f6\u8fdb\u884c\u8fd4\u56de\u7684\u65b9\u6cd5
                   *
                   * @param<\/span> data
                   * @return<\/span>
                   *\/<\/span>
                  public<\/span> static<\/span> HashMap<String, Object> success<\/span>(String msg, Object data)<\/span> <\/span>{
                      HashMap<String, Object> result = new<\/span> HashMap<>();
                      result.put(\"code\"<\/span>, 200<\/span>);
                      result.put(\"msg\"<\/span>, msg);
                      result.put(\"data\"<\/span>, data);
                      return<\/span> result;
                  }

                  \/**
                   * \u4e1a\u52a1\u6267\u884c\u5931\u8d25\u8fd4\u56de\u7684\u6570\u636e\u683c\u5f0f
                   *
                   * @param<\/span> code
                   * @param<\/span> msg
                   * @return<\/span>
                   *\/<\/span>
                  public<\/span> static<\/span> HashMap<String, Object> fail<\/span>(int<\/span> code, String msg)<\/span> <\/span>{
                      HashMap<String, Object> result = new<\/span> HashMap<>();
                      result.put(\"code\"<\/span>, code);
                      result.put(\"msg\"<\/span>, msg);
                      result.put(\"data\"<\/span>, \"\"<\/span>);
                      return<\/span> result;
                  }

                  \/**
                   * \u4e1a\u52a1\u6267\u884c\u5931\u8d25\u8fd4\u56de\u7684\u6570\u636e\u683c\u5f0f
                   *
                   * @param<\/span> code
                   * @param<\/span> msg
                   * @return<\/span>
                   *\/<\/span>
                  public<\/span> static<\/span> HashMap<String, Object> fail<\/span>(int<\/span> code, String msg, Object data)<\/span> <\/span>{
                      HashMap<String, Object> result = new<\/span> HashMap<>();
                      result.put(\"code\"<\/span>, code);
                      result.put(\"msg\"<\/span>, msg);
                      result.put(\"data\"<\/span>, data);
                      return<\/span> result;
                  }
              }
              <\/code><\/pre>\n
              \u540c\u65f6\u642d\u914d\u7edf\u4e00\u6570\u636e\u8fd4\u56de\u683c\u5f0f\uff1a<\/span><\/p>\n
              package<\/span> com.example.demo.common;

              import<\/span> com.fasterxml.jackson.databind.ObjectMapper;
              import<\/span> lombok.SneakyThrows;
              import<\/span> org.springframework.core.MethodParameter;
              import<\/span> org.springframework.http.MediaType;
              import<\/span> org.springframework.http.server.ServerHttpRequest;
              import<\/span> org.springframework.http.server.ServerHttpResponse;
              import<\/span> org.springframework.web.bind.annotation.ControllerAdvice;
              import<\/span> org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

              import<\/span> java.util.HashMap;

              \/**
               * \u7edf\u4e00\u6570\u636e\u8fd4\u56de\u5c01\u88c5
               *\/<\/span>
              @ControllerAdvice<\/span>
              public<\/span> class<\/span> ResponseAdvice<\/span> implements<\/span> ResponseBodyAdvice<\/span> <\/span>{
                  @Override<\/span>
                  public<\/span> boolean<\/span> supports<\/span>(MethodParameter returnType, Class converterType)<\/span> <\/span>{
                      return<\/span> true<\/span>;
                  }

                  @SneakyThrows<\/span>
                  @Override<\/span>
                  public<\/span> Object beforeBodyWrite<\/span>(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response)<\/span> <\/span>{
                      if<\/span> (body instanceof<\/span> HashMap) { \/\/ \u672c\u8eab\u5df2\u7ecf\u662f\u5c01\u88c5\u597d\u7684\u5bf9\u8c61<\/span>
                          return<\/span> body;
                      }
                      if<\/span> (body instanceof<\/span> String) { \/\/ \u8fd4\u56de\u7c7b\u578b\u662f String\uff08\u7279\u6b8a\uff09<\/span>
                          ObjectMapper objectMapper = new<\/span> ObjectMapper();
                          return<\/span> objectMapper.writeValueAsString(AjaxResult.success(body));
                      }
                      return<\/span> AjaxResult.success(body);
                  }
              }
              <\/code><\/pre>\n

              <\/h3>\n
              3.3 @ControllerAdvice \u6e90\u7801\u5206\u6790\uff08\u4e86\u89e3\uff09<\/span><\/strong><\/h3>\n
              \u901a\u8fc7\u5bf9 <\/span>@ControllerAdvice<\/span><\/code> \u6e90\u7801\u7684\u5206\u6790\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u4e0a\u2faf\u7edf\u2f00\u5f02\u5e38\u548c\u7edf\u2f00\u6570\u636e\u8fd4\u56de\u7684\u6267\u2f8f\u6d41\u7a0b\uff0c\u6211\u4eec\u5148\u4ece <\/span>@ControllerAdvice<\/span><\/code> \u7684\u6e90\u7801\u770b\u8d77\uff0c\u70b9\u51fb <\/span>@ControllerAdvice<\/span><\/code> \u5b9e\u73b0\u6e90\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n

              <\/p>\n
              \u4ece\u4e0a\u8ff0\u6e90\u7801\u53ef\u4ee5\u770b\u51fa <\/span>@ControllerAdvice<\/span><\/code> \u6d3e\u2f63\u4e8e <\/span>@Component<\/span><\/code> \u7ec4\u4ef6\uff0c\u2f7d\u6240\u6709\u7ec4\u4ef6\u521d\u59cb\u5316\u90fd\u4f1a\u8c03\u7528 <\/span>InitializingBean<\/span><\/code> \u63a5\u2f1d\u3002<\/span><\/p>\n
              \u6240\u4ee5\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b <\/span>InitializingBean<\/span><\/code> \u6709\u54ea\u4e9b\u5b9e\u73b0\u7c7b\uff1f\u5728\u67e5\u8be2\u7684\u8fc7\u7a0b\u4e2d\u6211\u4eec\u53d1\u73b0\u4e86\uff0c\u5176\u4e2d Spring MVC\u4e2d\u7684\u5b9e\u73b0\u2f26\u7c7b\u662f <\/span>RequestMappingHandlerAdapter<\/span><\/code>\uff0c\u5b83\u2fa5\u2faf\u6709\u2f00\u4e2a\u2f45\u6cd5 <\/span>afterPropertiesSet()<\/span><\/code> \u2f45\u6cd5\uff0c\u8868\u793a\u6240\u6709\u7684\u53c2\u6570\u8bbe\u7f6e\u5b8c\u6210\u4e4b\u540e\u6267\u2f8f\u7684\u2f45\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n
              \u2f7d\u8fd9\u4e2a\u2f45\u6cd5\u4e2d\u6709\u2f00\u4e2a <\/span>initControllerAdviceCache<\/span><\/code> \u2f45\u6cd5\uff0c\u67e5\u8be2\u6b64\u2f45\u6cd5\u7684\u6e90\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
              \u6211\u4eec\u53d1\u73b0\u8fd9\u4e2a\u2f45\u6cd5\u5728\u6267\u2f8f\u662f\u4f1a\u67e5\u627e\u4f7f\u2f64\u6240\u6709\u7684 <\/span>@ControllerAdvice<\/span><\/code> \u7c7b\uff0c\u8fd9\u4e9b\u7c7b\u4f1a\u88ab\u5bb9\u5668\u4e2d\uff0c\u4f46\u53d1\u2f63\u67d0\u4e2a\u4e8b\u4ef6\u65f6\uff0c\u8c03\u2f64\u76f8\u5e94\u7684 Advice \u2f45\u6cd5\uff0c\u2f50\u5982\u8fd4\u56de\u6570\u636e\u524d\u8c03\u2f64\u7edf\u2f00\u6570\u636e\u5c01\u88c5\uff0c\u2f50\u5982\u53d1\u2f63\u5f02\u5e38\u662f\u8c03\u2f64\u5f02\u5e38\u7684 Advice \u2f45\u6cd5\u5b9e\u73b0\u3002<\/span><\/p>\n

              <\/mp-common-profile><\/section>\n
              \u5982\u559c\u6b22\u672c\u6587\uff0c\u8bf7\u70b9\u51fb\u53f3\u4e0a\u89d2\uff0c\u628a\u6587\u7ae0\u5206\u4eab\u5230\u670b\u53cb\u5708<\/span>
              <\/span><\/p>
              \u56e0\u516c\u4f17\u53f7\u66f4\u6539\u63a8\u9001\u89c4\u5219\uff0c\u8bf7\u70b9\u201c\u5728\u770b\u201d\u5e76\u52a0\u201c\u661f\u6807\u201d\u7b2c\u4e00\u65f6\u95f4\u83b7\u53d6\u7cbe\u5f69\u6280\u672f\u5206\u4eab<\/span><\/span><\/strong><\/p>
              \u00b7END\u00b7<\/strong><\/p><\/pre>\n
              <\/mp-style-type><\/p>\n
              \n
              \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 IT\u725b\u5ba2              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
              \u539f\u6587\uff1ablog.csdn.net\/yyhgo_\/article\/details\/128755308 \u524d\u8a00 \u63a5\u4e0b\u6765\u662f Spring  …<\/p>\n","protected":false},"author":1,"featured_media":1054,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-1069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spring-boot"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676-150x150.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022248551.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022248551.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022247676.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022248551.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022248551.png","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022251418.png","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022251418.png","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022253692.png","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022253692.png","id":"image5"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022255496.png","id":"image6"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022255496.png","id":"image7"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022302588.png","id":"image8"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022302588.png","id":"image9"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022304647.png","id":"image10"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022304647.png","id":"image11"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022306150.png","id":"image12"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022306150.png","id":"image13"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022307795.png","id":"image14"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022307795.png","id":"image15"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022316440.png","id":"image16"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022316440.png","id":"image17"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022321906.png","id":"image18"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528022321906.png","id":"image19"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Spring 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