{"id":1053,"date":"2023-05-28T02:28:29","date_gmt":"2023-05-27T18:28:29","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1053"},"modified":"2023-05-28T02:28:29","modified_gmt":"2023-05-27T18:28:29","slug":"spring-boot-%e9%9b%86%e6%88%90-liquibase%ef%bc%8c%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b9%9f%e8%83%bd%e5%81%9a%e7%89%88%e6%9c%ac%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/spring-boot\/spring-boot-%e9%9b%86%e6%88%90-liquibase%ef%bc%8c%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b9%9f%e8%83%bd%e5%81%9a%e7%89%88%e6%9c%ac%e6%8e%a7%e5%88%b6\/","title":{"rendered":"Spring Boot \u96c6\u6210 Liquibase\uff0c\u6570\u636e\u5e93\u4e5f\u80fd\u505a\u7248\u672c\u63a7\u5236"},"content":{"rendered":"
\n

\u539f\u6587\uff1ajuejin.cn\/post\/7171232605478584328<\/span><\/p>\n

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

\u4eca\u5929\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u53e6\u5916\u4e00\u6b3e\u6bd4\u8f83\u4e0d\u9519\u7684\u6570\u636e\u5e93\u53d8\u66f4\u7ba1\u7406\u5de5\u5177\uff1aLiquibase<\/span><\/p>\n

\u672c\u6587\u5c06\u5e26\u7740\u5927\u5bb6\u5b9e\u64cd\u4e00\u4e2a SpringBoot \u7ed3\u5408 Liquibase \u7684\u9879\u76ee\uff0c\u770b\u770b\u5982\u4f55\u65b0\u589e\u6570\u636e\u8868\u3001\u4fee\u6539\u8868\u5b57\u6bb5\u3001\u521d\u59cb\u5316\u6570\u636e\u7b49\u529f\u80fd\uff0c\u987a\u5e26\u4f7f\u7528\u4e00\u4e0b Liquibase \u6a21\u7248\u751f\u6210\u5668\u63d2\u4ef6\u3002<\/span><\/p>\n

\u672c\u9879\u76ee\u5305\u542b\u4e24\u4e2a\u5c0f\u9879\u76ee\uff0c\u4e00\u4e2a\u662f liquibase \u6a21\u7248\u751f\u6210\u5668\u63d2\u4ef6\uff0c\u9879\u76ee\u540d\u53eb\u505a liquibase-changelog-generate\uff0c\u53e6\u4e00\u4e2a\u9879\u76ee\u662f liquibase \u5e94\u7528\uff0c\u53eb\u505a springboot-liquibase\u3002<\/span><\/p>\n

Liquibase\u6a21\u7248\u751f\u6210\u5668\u63d2\u4ef6<\/span><\/strong><\/h3>\n

\u521b\u5efa\u4e00\u4e2a maven \u9879\u76ee liquibase-changelog-generate\uff0c\u672c\u9879\u76ee\u5177\u5907\u751f\u6210 xml \u548c yaml \u4e24\u79cd\u683c\u5f0f\u7684 changelog\uff0c\u4e2a\u4eba\u89c9\u5f97 yaml \u683c\u5f0f\u7684 changelog \u53ef\u8bfb\u6027\u66f4\u9ad8\u3002<\/span><\/p>\n

1\u3001\u5bfc\u5165\u4f9d\u8d56<\/span><\/p>\n

<dependencies<\/span>><\/span>
  <!-- https:\/\/mvnrepository.com\/artifact\/org.apache.maven\/maven-plugin-api --><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>org.apache.maven<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>maven-plugin-api<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>3.8.6<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>org.apache.maven.plugin-tools<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>maven-plugin-annotations<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>3.6.4<\/version<\/span>><\/span>
    <scope<\/span>><\/span>provided<\/scope<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>cn.hutool<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>hutool-all<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>5.8.5<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>

<\/dependencies<\/span>><\/span>

<build<\/span>><\/span>
  <plugins<\/span>><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>org.apache.maven.plugins<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>maven-plugin-plugin<\/artifactId<\/span>><\/span>
      <version<\/span>><\/span>3.6.4<\/version<\/span>><\/span>
      <!-- \u63d2\u4ef6\u6267\u884c\u547d\u4ee4\u524d\u7f00 --><\/span>
      <configuration<\/span>><\/span>
        <goalPrefix<\/span>><\/span>hresh<\/goalPrefix<\/span>><\/span>
        <skipErrorNoDescriptorsFound<\/span>><\/span>true<\/skipErrorNoDescriptorsFound<\/span>><\/span>
      <\/configuration<\/span>><\/span>
    <\/plugin<\/span>><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>org.springframework.boot<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>spring-boot-maven-plugin<\/artifactId<\/span>><\/span>
      <version<\/span>><\/span>2.6.3<\/version<\/span>><\/span>
    <\/plugin<\/span>><\/span>
    <!-- \u7f16\u7801\u548c\u7f16\u8bd1\u548cJDK\u7248\u672c --><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>org.apache.maven.plugins<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>maven-compiler-plugin<\/artifactId<\/span>><\/span>
      <configuration<\/span>><\/span>
        <source<\/span>><\/span>1.8<\/source<\/span>><\/span>
        <target<\/span>><\/span>1.8<\/target<\/span>><\/span>
      <\/configuration<\/span>><\/span>
    <\/plugin<\/span>><\/span>
  <\/plugins<\/span>><\/span>
<\/build<\/span>><\/span>
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
2\u3001\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\uff0c\u63d0\u524d\u51c6\u5907\u597d\u516c\u7528\u4ee3\u7801\uff0c\u4e3b\u8981\u662f\u5224\u65ad changelog id \u662f\u5426\u6709\u975e\u6cd5\u5b57\u7b26\uff0c\u5e76\u4e14\u751f\u6210 changelog name\u3002<\/span><\/p>\n
public<\/span> interface<\/span> LiquibaseChangeLog<\/span> <\/span>{

  default<\/span> String getChangeLogFileName<\/span>(String sourceFolderPath)<\/span> <\/span>{
    System.out.println(\"> Please enter the id of this change:\"<\/span>);
    Scanner scanner = new<\/span> Scanner(System.in);
    String changeId = scanner.nextLine();
    if<\/span> (StrUtil.isBlank(changeId)) {
      return<\/span> null<\/span>;
    }

    String changeIdPattern = \"^[a-z][a-z0-9_]*$\"<\/span>;
    Pattern pattern = Pattern.compile(changeIdPattern);
    Matcher matcher = pattern.matcher(changeId);
    if<\/span> (!matcher.find()) {
      System.out.println(\"Change id should match \"<\/span> + changeIdPattern);
      return<\/span> null<\/span>;
    }

    if<\/span> (isExistedChangeId(changeId, sourceFolderPath)) {
      System.out.println(\"Duplicate change id :\"<\/span> + changeId);
      return<\/span> null<\/span>;
    }

    Date now = new<\/span> Date();
    String timestamp = DateUtil.format(now, \"yyyyMMdd_HHmmss_SSS\"<\/span>);
    return<\/span> timestamp + \"__\"<\/span> + changeId;
  }

  default<\/span> boolean<\/span> isExistedChangeId<\/span>(String changeId, String sourceFolderPath)<\/span> <\/span>{
    File file = new<\/span> File(sourceFolderPath);
    File[] files = file.listFiles();
    if<\/span> (null<\/span> == files) {
      return<\/span> false<\/span>;
    }

    for<\/span> (File f : files) {
      if<\/span> (f.isFile()) {
        if<\/span> (f.getName().contains(changeId)) {
          return<\/span> true<\/span>;
        }
      }
    }
    return<\/span> false<\/span>;
  }
}
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
3\u3001\u6bcf\u4e2a changelog \u6587\u4ef6\u4e2d\u7684 changeSet \u90fd\u6709\u4e00\u4e2a author \u5c5e\u6027\uff0c\u7528\u6765\u6807\u6ce8\u662f\u8c01\u521b\u5efa\u7684 changelog\uff0c\u76ee\u524d\u6211\u7684\u505a\u6cd5\u662f\u6267\u884c\u7ec8\u7aef\u547d\u4ee4\u6765\u83b7\u53d6 git \u7684 userName\uff0c\u5982\u679c\u6709\u66f4\u597d\u7684\u5b9e\u73b0\uff0c\u671b\u4e0d\u541d\u8d50\u6559\u3002<\/span><\/p>\n
public<\/span> class<\/span> GitUtil<\/span> <\/span>{

  public<\/span> static<\/span> String getGitUserName<\/span>()<\/span> <\/span>{
    try<\/span> {
      String cmd = \"git config user.name\"<\/span>;
      Process p = Runtime.getRuntime().exec(cmd);
      InputStream is = p.getInputStream();
      BufferedReader reader = new<\/span> BufferedReader(new<\/span> InputStreamReader(is));
      String line = reader.readLine();
      p.waitFor();
      is.close();
      reader.close();
      p.destroy();
      return<\/span> line;
    } catch<\/span> (IOException | InterruptedException e) {
      e.printStackTrace();
    }
    return<\/span> \"hresh\"<\/span>;
  }
}
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
4\u3001\u751f\u6210 xml \u683c\u5f0f\u7684 changelog<\/span><\/p>\n
@Mojo<\/span>(name = \"generateModelChangeXml\"<\/span>, defaultPhase = LifecyclePhase.PACKAGE)
public<\/span> class<\/span> LiquibaseChangeLogXml<\/span> extends<\/span> AbstractMojo<\/span> implements<\/span> LiquibaseChangeLog<\/span> <\/span>{

  \/\/ \u914d\u7f6e\u7684\u662f\u672cmaven\u63d2\u4ef6\u7684\u914d\u7f6e\uff0c\u5728pom\u4f7f\u7528configration\u6807\u7b7e\u8fdb\u884c\u914d\u7f6e property\u5c31\u662f\u540d\u5b57\uff0c<\/span>
  \/\/ \u5728\u914d\u7f6e\u91cc\u9762\u7684\u6807\u7b7e\u540d\u5b57\u3002\u5728\u8c03\u7528\u8be5\u63d2\u4ef6\u7684\u65f6\u5019\u4f1a\u770b\u5230<\/span>
  @Parameter<\/span>(property = \"sourceFolderPath\"<\/span>)
  private<\/span> String sourceFolderPath;

  @Override<\/span>
  public<\/span> void<\/span> execute<\/span>()<\/span> throws<\/span> MojoExecutionException, MojoFailureException <\/span>{
    System.out.println(\"Create a new empty model changelog in liquibase yaml file.\"<\/span>);
    String userName = GitUtil.getGitUserName();

    String changeLogFileName = getChangeLogFileName(sourceFolderPath);
    if<\/span> (StrUtil.isNotBlank(changeLogFileName)) {
      generateXmlChangeLog(changeLogFileName, userName);
    }
  }

  private<\/span> void<\/span> generateXmlChangeLog<\/span>(String changeLogFileName, String userName)<\/span> <\/span>{
    String changeLogFileFullName = changeLogFileName + \".xml\"<\/span>;
    File file = new<\/span> File(sourceFolderPath, changeLogFileFullName);
    String content = \"<?xml version=\"1.1\" encoding=\"UTF-8\" standalone=\"no\"?>n\"<\/span>
        + \"<databaseChangeLog xmlns=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\"n\"<\/span>
        + \"  xmlns:ext=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog-ext\"n\"<\/span>
        + \"  xmlns:pro=\"http:\/\/www.liquibase.org\/xml\/ns\/pro\"n\"<\/span>
        + \"  xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"n\"<\/span>
        + \"  xsi:schemaLocation=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog-ext http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\/dbchangelog-ext.xsd http:\/\/www.liquibase.org\/xml\/ns\/pro http:\/\/www.liquibase.org\/xml\/ns\/pro\/liquibase-pro-latest.xsd http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\/dbchangelog-latest.xsd\">n\"<\/span>
        + \"  <changeSet author=\" \"<\/span> + userName + \"\" id=\"\"<\/span> + changeLogFileName + \"\">n\"<\/span>
        + \"  <\/changeSet>n\"<\/span>
        + \"<\/databaseChangeLog>\"<\/span>;
    try<\/span> {
      FileWriter fw = new<\/span> FileWriter(file.getAbsoluteFile());
      BufferedWriter bw = new<\/span> BufferedWriter(fw);
      bw.write(content);
      bw.close();
      fw.close();
    } catch<\/span> (IOException e) {
      e.printStackTrace();
    }
  }

}
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
5\u3001\u751f\u6210 yaml \u683c\u5f0f\u7684 changelog<\/span><\/p>\n
@Mojo<\/span>(name = \"generateModelChangeYaml\"<\/span>, defaultPhase = LifecyclePhase.PACKAGE)
public<\/span> class<\/span> LiquibaseChangeLogYaml<\/span> extends<\/span> AbstractMojo<\/span> implements<\/span> LiquibaseChangeLog<\/span> <\/span>{

  \/\/ \u914d\u7f6e\u7684\u662f\u672cmaven\u63d2\u4ef6\u7684\u914d\u7f6e\uff0c\u5728pom\u4f7f\u7528configration\u6807\u7b7e\u8fdb\u884c\u914d\u7f6e property\u5c31\u662f\u540d\u5b57\uff0c<\/span>
  \/\/ \u5728\u914d\u7f6e\u91cc\u9762\u7684\u6807\u7b7e\u540d\u5b57\u3002\u5728\u8c03\u7528\u8be5\u63d2\u4ef6\u7684\u65f6\u5019\u4f1a\u770b\u5230<\/span>
  @Parameter<\/span>(property = \"sourceFolderPath\"<\/span>)
  private<\/span> String sourceFolderPath;

  @Override<\/span>
  public<\/span> void<\/span> execute<\/span>()<\/span> throws<\/span> MojoExecutionException, MojoFailureException <\/span>{
    System.out.println(\"Create a new empty model changelog in liquibase yaml file.\"<\/span>);
    String userName = GitUtil.getGitUserName();

    String changeLogFileName = getChangeLogFileName(sourceFolderPath);
    if<\/span> (StrUtil.isNotBlank(changeLogFileName)) {
      generateYamlChangeLog(changeLogFileName, userName);
    }
  }

  private<\/span> void<\/span> generateYamlChangeLog<\/span>(String changeLogFileName, String userName)<\/span> <\/span>{
    String changeLogFileFullName = changeLogFileName + \".yml\"<\/span>;
    File file = new<\/span> File(sourceFolderPath, changeLogFileFullName);
    String content = \"databaseChangeLog:n\"<\/span>
        + \"  - changeSet:n\"<\/span>
        + \"      id: \"<\/span> + changeLogFileName + \"n\"<\/span>
        + \"      author: \"<\/span> + userName + \"n\"<\/span>
        + \"      changes:\"<\/span>;
    try<\/span> {
      FileWriter fw = new<\/span> FileWriter(file.getAbsoluteFile());
      BufferedWriter bw = new<\/span> BufferedWriter(fw);
      bw.write(content);
      bw.close();
      fw.close();
    } catch<\/span> (IOException e) {
      e.printStackTrace();
    }
  }

}
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
6\u3001\u6267\u884c mvn install \u547d\u4ee4\uff0c\u7136\u540e\u4f1a\u5728 maven \u7684 repository \u6587\u4ef6\u4e2d\u751f\u6210\u5bf9\u5e94\u7684 jar \u5305\u3002<\/span><\/p>\n
\u9879\u76ee\u6574\u4f53\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
\u56e0\u4e3a\u4e2a\u4eba\u611f\u89c9 yaml \u6587\u4ef6\u770b\u8d77\u6765\u6bd4\u8f83\u7b80\u6d01\uff0c\u6240\u4ee5\u867d\u7136\u63d2\u4ef6\u63d0\u4f9b\u4e86\u4e24\u79cd\u683c\u5f0f\uff0c\u4f46\u540e\u7eed\u6211\u9009\u62e9 yaml \u6587\u4ef6\u3002<\/span><\/p>\n
Liquibase\u9879\u76ee<\/span><\/strong><\/h3>\n
\u672c\u9879\u76ee\u53ea\u662f\u6f14\u793a\u5982\u4f55\u901a\u8fc7 Liquibase \u65b0\u589e\u6570\u636e\u8868\u3001\u4fee\u6539\u8868\u5b57\u6bb5\u3001\u521d\u59cb\u5316\u6570\u636e\u7b49\u529f\u80fd\uff0c\u5e76\u4e0d\u6d89\u53ca\u5177\u4f53\u7684\u4e1a\u52a1\u529f\u80fd\uff0c\u6240\u4ee5\u4ee3\u7801\u90e8\u5206\u4f1a\u6bd4\u8f83\u5c11\u3002<\/span><\/p>\n
1\u3001\u5f15\u5165\u4f9d\u8d56<\/span><\/p>\n
<parent<\/span>><\/span>
  <groupId<\/span>><\/span>org.springframework.boot<\/groupId<\/span>><\/span>
  <artifactId<\/span>><\/span>spring-boot-starter-parent<\/artifactId<\/span>><\/span>
  <version<\/span>><\/span>2.6.3<\/version<\/span>><\/span>
  <relativePath<\/span>\/><\/span>
<\/parent<\/span>><\/span>

<properties<\/span>><\/span>
  <java.version<\/span>><\/span>1.8<\/java.version<\/span>><\/span>
  <mysql.version<\/span>><\/span>8.0.19<\/mysql.version<\/span>><\/span>
  <org.projectlombok.version<\/span>><\/span>1.18.20<\/org.projectlombok.version<\/span>><\/span>
  <druid.version<\/span>><\/span>1.1.18<\/druid.version<\/span>><\/span>
  <liquibase.version<\/span>><\/span>4.16.1<\/liquibase.version<\/span>><\/span>
<\/properties<\/span>><\/span>

<dependencies<\/span>><\/span>
  <!-- \u5b9e\u73b0\u5bf9 Spring MVC \u7684\u81ea\u52a8\u5316\u914d\u7f6e --><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>org.springframework.boot<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>spring-boot-starter-web<\/artifactId<\/span>><\/span>
  <\/dependency<\/span>><\/span>

  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>mysql<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>mysql-connector-java<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>${mysql.version}<\/version<\/span>><\/span>
    <scope<\/span>><\/span>runtime<\/scope<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>com.alibaba<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>druid-spring-boot-starter<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>${druid.version}<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>org.liquibase<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>liquibase-core<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>4.16.1<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>com.baomidou<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>mybatis-plus-boot-starter<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>3.5.1<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>
  <dependency<\/span>><\/span>
    <groupId<\/span>><\/span>com.baomidou<\/groupId<\/span>><\/span>
    <artifactId<\/span>><\/span>mybatis-plus<\/artifactId<\/span>><\/span>
    <version<\/span>><\/span>3.5.1<\/version<\/span>><\/span>
  <\/dependency<\/span>><\/span>

<\/dependencies<\/span>><\/span>

<build<\/span>><\/span>
  <plugins<\/span>><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>org.springframework.boot<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>spring-boot-maven-plugin<\/artifactId<\/span>><\/span>
    <\/plugin<\/span>><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>org.liquibase<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>liquibase-maven-plugin<\/artifactId<\/span>><\/span>
      <version<\/span>><\/span>4.16.1<\/version<\/span>><\/span>
      <configuration<\/span>><\/span>
        <!--properties\u6587\u4ef6\u8def\u5f84\uff0c\u8be5\u6587\u4ef6\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u7b49--><\/span>
        <propertyFile<\/span>><\/span>src\/main\/resources\/application.yml<\/propertyFile<\/span>><\/span>
        <propertyFileWillOverride<\/span>><\/span>true<\/propertyFileWillOverride<\/span>><\/span>
      <\/configuration<\/span>><\/span>
    <\/plugin<\/span>><\/span>
    <plugin<\/span>><\/span>
      <groupId<\/span>><\/span>com.msdn.hresh<\/groupId<\/span>><\/span>
      <artifactId<\/span>><\/span>liquibase-changelog-generate<\/artifactId<\/span>><\/span>
      <version<\/span>><\/span>1.0-SNAPSHOT<\/version<\/span>><\/span>
      <configuration<\/span>><\/span>
        <sourceFolderPath<\/span>><\/span>src\/main\/resources\/liquibase\/changelogs\/
        <\/sourceFolderPath<\/span>><\/span><!-- \u5f53\u524d\u5e94\u7528\u6839\u76ee\u5f55 --><\/span>
      <\/configuration<\/span>><\/span>
    <\/plugin<\/span>><\/span>
  <\/plugins<\/span>><\/span>
<\/build<\/span>><\/span>
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
2\u3001application.yml \u914d\u7f6e\u5982\u4e0b\uff1a<\/span><\/p>\n
server:<\/span>
  port:<\/span> 8088<\/span>

spring:<\/span>
  application:<\/span>
    name:<\/span> springboot-liquibase<\/span>
  datasource:<\/span>
    type:<\/span> com.alibaba.druid.pool.DruidDataSource<\/span>
    driver-class-name:<\/span> com.mysql.cj.jdbc.Driver<\/span>
    url:<\/span> jdbc:mysql:\/\/localhost:3306\/mysql_db?serverTimezone=Hongkong&characterEncoding=utf-8&useSSL=false<\/span>
    username:<\/span> root<\/span>
    password:<\/span> root<\/span>
  liquibase:<\/span>
    enabled:<\/span> true<\/span>
    change-log:<\/span> classpath:liquibase\/master.xml<\/span>
    # \u8bb0\u5f55\u7248\u672c\u65e5\u5fd7\u8868<\/span>
    database-change-log-table:<\/span> databasechangelog<\/span>
    # \u8bb0\u5f55\u7248\u672c\u6539\u53d8lock\u8868<\/span>
    database-change-log-lock-table:<\/span> databasechangeloglock<\/span>

mybatis:<\/span>
  mapper-locations:<\/span> classpath:mapper\/*Mapper.xml<\/span>
  configuration:<\/span>
    log-impl:<\/span> org.apache.ibatis.logging.stdout.StdOutImpl<\/span>
    lazy-loading-enabled:<\/span> true<\/span>

changeLogFile:<\/span> src\/main\/resources\/liquibase\/master.xml<\/span>
#\u8f93\u51fa\u6587\u4ef6\u8def\u5f84\u914d\u7f6e<\/span>
#outputChangeLogFile: src\/main\/resources\/liquibase\/out\/out.xml<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
3\u3001resources \u76ee\u5f55\u4e0b\u521b\u5efa Liquibase \u76f8\u5173\u6587\u4ef6\uff0c\u4e3b\u8981\u662f master.xml<\/span><\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?><\/span>
<databaseChangeLog<\/span> xmlns<\/span>=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\"<\/span>
  xmlns:xsi<\/span>=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"<\/span>
  xsi:schemaLocation<\/span>=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\/dbchangelog-3.8.xsd\"<\/span>><\/span>

  <!--  \u5b9a\u4e49\u516c\u5171\u53c2\u6570\uff0c\u4f9b\u6570\u636e\u5e93\u4e2d\u4f7f\u7528--><\/span>
  <property<\/span> name<\/span>=\"id\"<\/span> value<\/span>=\"int(11)\"<\/span> dbms<\/span>=\"mysql\"<\/span>\/><\/span>
  <property<\/span> name<\/span>=\"time\"<\/span> value<\/span>=\"timestamp\"<\/span> dbms<\/span>=\"mysql\"<\/span>\/><\/span>

  <includeAll<\/span> path<\/span>=\"liquibase\/changelogs\"<\/span>\/><\/span>

<\/databaseChangeLog<\/span>><\/span>
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
\u8fd8\u9700\u8981\u521b\u5efa liquibase\/changelogs \u76ee\u5f55\u3002<\/span><\/p>\n
4\u3001\u521b\u5efa\u4e00\u4e2a\u542f\u52a8\u7c7b\uff0c\u51c6\u5907\u542f\u52a8\u9879\u76ee<\/span><\/p>\n
@SpringBootApplication<\/span>
public<\/span> class<\/span> LiquibaseApplication<\/span> <\/span>{

  public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> <\/span>{
    SpringApplication.run(LiquibaseApplication.class<\/span>, args<\/span>)<\/span>;
  }
}
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u8fdb\u884c\u6d4b\u8bd5\u4f7f\u7528 Liquibase \u6765\u8fdb\u884c\u6570\u636e\u5e93\u53d8\u66f4\u63a7\u5236\u3002<\/span><\/p>\n
\u521b\u5efa\u8868<\/span><\/strong><\/h4>\n
\u51c6\u5907\u901a\u8fc7 Liquibase \u6765\u521b\u5efa\u6570\u636e\u8868\uff0c\u9996\u5148\u70b9\u51fb\u4e0b\u9762\u8fd9\u4e2a\u547d\u4ee4\uff1a<\/span><\/p>\n
\u7136\u540e\u5728\u63a7\u5236\u53f0\u8f93\u5165 create_table_admin\uff0c\u56de\u8f66\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5bf9\u5e94\u7684\u6587\u4ef6\u5982\u4e0b\uff1a<\/span><\/figcaption>
\u6211\u4eec\u586b\u5145\u4e0a\u8ff0\u6587\u4ef6\uff0c\u5c06\u5efa\u8868\u5b57\u6bb5\u52a0\u8fdb\u53bb\u3002<\/span><\/p>\n
databaseChangeLog:<\/span>
  -<\/span> changeSet:<\/span>
      id:<\/span> 20221124_161016_997__create_table_admin<\/span>
      author:<\/span> hresh<\/span>
      changes:<\/span>
        -<\/span> createTable:<\/span>
            tableName:<\/span> admin<\/span>
            columns:<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> id<\/span>
                  type:<\/span> ${id}<\/span>
                  autoIncrement:<\/span> true<\/span>
                  constraints:<\/span>
                    primaryKey:<\/span> true<\/span>
                    nullable:<\/span> false<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> name<\/span>
                  type:<\/span> varchar(50)<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> password<\/span>
                  type:<\/span> varchar(100)<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> create_time<\/span>
                  type:<\/span> ${time}<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
\u5173\u4e8e Liquibase yaml SQL \u683c\u5f0f\u63a8\u8350\u53bb\u5b98\u7f51\u67e5\u8be2\u3002<\/span><\/p>\n
\u542f\u52a8\u9879\u76ee\u540e\uff0c\u5148\u6765\u67e5\u770b\u63a7\u5236\u53f0\u8f93\u51fa\uff1a<\/span><\/p>\n
\u63a5\u7740\u53bb\u6570\u636e\u5e93\u4e2d\u770b databasechangelog \u8868\u8bb0\u5f55<\/p>\n
\u4ee5\u53ca admin \u8868\u7ed3\u6784<\/span><\/span><\/p>\n
\u65b0\u589e\u8868\u5b57\u6bb5<\/span><\/strong><\/p>\n
\u4f7f\u7528\u6211\u4eec\u7684\u6a21\u7248\u751f\u6210\u5668\u63d2\u4ef6\uff0c\u8f93\u5165 add_column_address_in_admin\uff0c\u56de\u8f66\u5f97\u5230\u4e00\u4e2a\u6a21\u7248\u6587\u4ef6\uff0c\u6bd4\u5982\u8bf4\u6211\u4eec\u5728 admin \u8868\u4e2d\u65b0\u589e address \u5b57\u6bb5\u3002<\/span><\/p>\n
databaseChangeLog:<\/span>
  -<\/span> changeSet:<\/span>
      id:<\/span> 20221124_163754_923__add_column_address_in_admin<\/span>
      author:<\/span> hresh<\/span>
      changes:<\/span>
        -<\/span> addColumn:<\/span>
            tableName:<\/span> admin<\/span>
            columns:<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> address<\/span>
                  type:<\/span> varchar(100)<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
\u518d\u6b21\u91cd\u542f\u9879\u76ee\uff0c\u8fd9\u91cc\u6211\u5c31\u4e0d\u8d34\u63a7\u5236\u53f0\u8f93\u51fa\u65e5\u5fd7\u4e86\uff0c\u76f4\u63a5\u53bb\u6570\u636e\u5e93\u4e2d\u770b admin \u8868\u7684\u53d8\u5316\u3002<\/span><\/p>\n
\u521b\u5efa\u7d22\u5f15<\/span><\/strong><\/h4>\n
\u8f93\u5165 create_index_in_admin\uff0c\u56de\u8f66\u5f97\u5230\u6a21\u7248\u6587\u4ef6\uff0c\u7136\u540e\u586b\u5145\u5185\u5bb9\uff1a<\/span><\/p>\n
databaseChangeLog:<\/span>
  -<\/span> changeSet:<\/span>
      id:<\/span> 20221124_164641_992__create_index_in_admin<\/span>
      author:<\/span> hresh<\/span>
      changes:<\/span>
        -<\/span> createIndex:<\/span>
            tableName:<\/span> admin<\/span>
            indexName:<\/span> idx_name<\/span>
            columns:<\/span>
              -<\/span> column:<\/span>
                  name:<\/span> name<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
\u67e5\u770b admin \u8868\u53d8\u5316\uff1a<\/span><\/p>\n
\u5982\u679c\u8981\u4fee\u6539\u7d22\u5f15\uff0c\u4e00\u822c\u90fd\u662f\u5148\u5220\u518d\u589e\uff0c\u5220\u9664\u7d22\u5f15\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/span><\/p>\n
databaseChangeLog:<\/span>
  -<\/span> changeSet:<\/span>
      id:<\/span> 20221124_164641_992__create_index_in_admin<\/span>
      author:<\/span> hresh<\/span>
      changes:<\/span>
        -<\/span> dropIndex:<\/span>
            tableName:<\/span> admin<\/span>
            indexName:<\/span> idx_name<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
\u521d\u59cb\u5316\u6570\u636e<\/span><\/strong><\/h4>\n
\u8f93\u5165 init_data_in_admin \uff0c\u4fee\u6539\u6a21\u7248\u6587\u4ef6<\/span><\/p>\n
databaseChangeLog:<\/span>
  -<\/span> changeSet:<\/span>
      id:<\/span> 20221124_165413_348__init_data_in_admin<\/span>
      author:<\/span> hresh<\/span>
      changes:<\/span>
        -<\/span> sql:<\/span>
            dbms:<\/span> mysql<\/span>
            sql:<\/span> \"insert into admin(name,password) values('hresh','1234')\"<\/span>
            stripComments:<\/span>  true<\/span>
\u590d\u5236\u4ee3\u7801<\/span>
<\/code><\/pre>\n
\u91cd\u542f\u9879\u76ee\u540e\uff0c\u53ef\u4ee5\u53d1\u73b0\u6570\u636e\u8868\u4e2d\u591a\u4e86\u4e00\u6761\u8bb0\u5f55\u3002<\/span><\/p>\n
\u5173\u4e8e Liquibase \u8fd8\u6709\u5f88\u591a\u64cd\u4f5c\u6ca1\u4ecb\u7ecd\uff0c\u7b49\u5927\u5bb6\u5b9e\u9645\u5e94\u7528\u65f6\u518d\u53bb\u53d1\u6398\u4e86\uff0c\u8fd9\u91cc\u5c31\u4e0d\u4e00\u4e00\u4ecb\u7ecd\u4e86\u3002<\/span><\/p>\n
Liquibase \u597d\u7528\u662f\u597d\u7528\uff0c\u90a3\u4e48\u6709\u6ca1\u6709\u53ef\u89c6\u5316\u7684\u754c\u9762\u5462\uff1f\u7b54\u6848\u5f53\u7136\u662f\u6709\u7684\u3002<\/span><\/p>\n
plugin-\u751f\u6210\u6570\u636e\u5e93\u4fee\u6539\u6587\u6863<\/span><\/h3>\n
\u53cc\u51fbliquibase plugin\u9762\u677f\u4e2d\u7684<\/span>liquibase:dbDoc<\/span><\/code>\u9009\u9879\uff0c\u4f1a\u751f\u6210\u6570\u636e\u5e93\u4fee\u6539\u6587\u6863\uff0c\u9ed8\u8ba4\u4f1a\u751f\u6210\u5230<\/span>target<\/span><\/code>\u76ee\u5f55\u4e2d\uff0c\u5982\u4e0b\u56fe\u6240\u793a<\/span><\/p>\n
\u8bbf\u95ee<\/span>index.html<\/span><\/code>\u4f1a\u5c55\u793a\u5982\u4e0b\u9875\u9762\uff0c\u7b80\u76f4\u5e94\u6709\u5c3d\u6709<\/span><\/p>\n
\u5173\u4e8e liquibase \u7684\u66f4\u591a\u6709\u610f\u601d\u7684\u547d\u4ee4\u4f7f\u7528\uff0c\u53ef\u4ee5\u82b1\u65f6\u95f4\u518d\u53bb\u6316\u6398\u4e00\u4e0b\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8fc7\u591a\u4ecb\u7ecd\u4e86\u3002<\/span><\/p>\n
\u95ee\u9898<\/span><\/strong><\/h2>\n
\u63a7\u5236\u53f0\u8f93\u51fa liquibase.changelog Reading resource \u8bfb\u53d6\u4e86\u5f88\u591a\u6ca1\u5fc5\u8981\u7684\u6587\u4ef6<\/span><\/h4>\n
\u200d<\/span><\/p>\n
\u200d<\/span>\u63a7\u5236\u53f0\u622a\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/span><\/p>\n
\u200d<\/span><\/p>\n
\u6211\u4eec\u67e5\u627e\u4e00\u4e2a AbstractChangeLogHistoryService \u6587\u4ef6\u6240\u5728\u4f4d\u7f6e\uff0c\u53d1\u73b0\u5b83\u662f liquibase-core \u5305\u4e0b\u7684\u6587\u4ef6\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/span><\/span><\/figcaption><\/figure>\n
\n

<\/figcaption><\/figure>\n
\u4e3a\u4ec0\u4e48\u4f1a\u8fd9\u6837\u5462\uff1f\u9996\u5148\u6765\u770b\u4e0b\u6211\u4eec\u5173\u4e8e liquibase \u7684\u914d\u7f6e\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/span><\/p>\n
\u5176\u4e2d master.xml \u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/span><\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?><\/span>
<databaseChangeLog<\/span> xmlns<\/span>=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\"<\/span>
  xmlns:xsi<\/span>=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"<\/span>
  xsi:schemaLocation<\/span>=\"http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog http:\/\/www.liquibase.org\/xml\/ns\/dbchangelog\/dbchangelog-3.8.xsd\"<\/span>><\/span>

  <property<\/span> name<\/span>=\"id\"<\/span> value<\/span>=\"int(11)\"<\/span> dbms<\/span>=\"mysql\"<\/span>\/><\/span>
  <property<\/span> name<\/span>=\"time\"<\/span> value<\/span>=\"timestamp\"<\/span> dbms<\/span>=\"mysql\"<\/span>\/><\/span>

  <includeAll<\/span> path<\/span>=\"liquibase\/changelog\/\"<\/span>\/><\/span>

<\/databaseChangeLog<\/span>><\/span>
\u590d\u5236\u4ee3\u7801
<\/code><\/pre>\n
\u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cresource \u76ee\u5f55\u4e0b\u5173\u4e8e liquibase \u7684\u6587\u4ef6\u5939\u548c liquibase-core \u4e2d\u7684\u4e00\u6837\uff0c\u96be\u9053\u662f\u56e0\u4e3a\u91cd\u540d\u5bfc\u81f4\u8bfb\u53d6\u4e86\u90a3\u4e9b\u6587\u4ef6\uff0c\u6211\u4eec\u8bd5\u7740\u4fee\u6539\u4e00\u4e0b\u6587\u4ef6\u5939\u540d\u79f0\uff0c\u5c06 changelog \u6539\u4e3a changelogs\uff0c\u987a\u4fbf\u4fee\u6539 master.xml\u3002<\/span><\/p>\n
\u518d\u6b21\u91cd\u542f\u9879\u76ee\uff0c\u53d1\u73b0\u63a7\u5236\u53f0\u5c31\u6b63\u5e38\u8f93\u51fa\u4e86\u3002<\/span><\/p>\n
\u7b80\u5355\u53bb\u770b\u4e86\u4e0b Liquibase \u7684\u6267\u884c\u6d41\u7a0b\uff0c\u770b\u770b\u8bfb\u53d6 changelog \u65f6\u505a\u4e86\u54ea\u4e9b\u4e8b\u60c5\uff0c\u6700\u7ec8\u5b9a\u4f4d\u5230 liquibase.integration.spring.SpringResourceAccessor \u6587\u4ef6\u4e2d\u7684 list()\u65b9\u6cd5\uff0c\u6e90\u7801\u5982\u4e0b\uff1a<\/span><\/p>\n
public<\/span> SortedSet<String> list<\/span>(String relativeTo, String path, boolean<\/span> recursive, boolean<\/span> includeFiles, boolean<\/span> includeDirectories)<\/span> throws<\/span> IOException <\/span>{
  String searchPath = this<\/span>.getCompletePath(relativeTo, path);
  if<\/span> (recursive) {
    searchPath = searchPath + \"\/**\"<\/span>;
  } else<\/span> {
    searchPath = searchPath + \"\/*\"<\/span>;
  }

  searchPath = this<\/span>.finalizeSearchPath(searchPath);
  Resource[] resources = ResourcePatternUtils.getResourcePatternResolver(this<\/span>.resourceLoader).getResources(searchPath);
  SortedSet<String> returnSet = new<\/span> TreeSet();
  Resource[] var9 = resources;
  int<\/span> var10 = resources.length;

  for<\/span>(int<\/span> var11 = 0<\/span>; var11 < var10; ++var11) {
    Resource resource = var9[var11];
    boolean<\/span> isFile = this<\/span>.resourceIsFile(resource);
    if<\/span> (isFile && includeFiles) {
      returnSet.add(this<\/span>.getResourcePath(resource));
    }

    if<\/span> (!isFile && includeDirectories) {
      returnSet.add(this<\/span>.getResourcePath(resource));
    }
  }

  return<\/span> returnSet;
}
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<\/code><\/pre>\n
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