{"id":2900,"date":"2023-07-14T13:46:02","date_gmt":"2023-07-14T05:46:02","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=2900"},"modified":"2023-07-14T13:46:03","modified_gmt":"2023-07-14T05:46:03","slug":"java8%e6%96%b0%e7%89%b9%e6%80%a7%e4%b9%8bstream-api%ef%bc%88%e5%90%ab%e5%85%b7%e4%bd%93%e6%a1%88%e4%be%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/java8%e6%96%b0%e7%89%b9%e6%80%a7%e4%b9%8bstream-api%ef%bc%88%e5%90%ab%e5%85%b7%e4%bd%93%e6%a1%88%e4%be%8b%ef%bc%89\/","title":{"rendered":"Java8\u65b0\u7279\u6027\u4e4bStream API\uff08\u542b\u5177\u4f53\u6848\u4f8b\uff09"},"content":{"rendered":"\n \t\n
\n

\u4e00\u3001\u6982\u8ff0<\/h2>\n

        Stream <\/span><\/span>\u6d41\u662f Java 8 \u65b0\u63d0\u4f9b\u7ed9\u5f00\u53d1\u8005\u7684\u4e00\u7ec4\u64cd\u4f5c\u96c6\u5408\u7684 API\uff0c\u5c06\u8981\u5904\u7406\u7684\u5143\u7d20\u96c6\u5408\u770b\u4f5c\u4e00\u79cd\u6d41\uff0c \u6d41\u5728\u7ba1\u9053\u4e2d\u4f20\u8f93\uff0c \u5e76\u4e14\u53ef\u4ee5\u5728\u7ba1\u9053\u7684\u8282\u70b9\u4e0a\u8fdb\u884c\u5904\u7406\uff0c \u6bd4\u5982\u7b5b\u9009\u3001\u6392\u5e8f\u3001\u805a\u5408\u7b49\u3002\u5143\u7d20\u6d41\u5728\u7ba1\u9053\u4e2d\u7ecf\u8fc7\u4e2d\u95f4\u64cd\u4f5c\uff08intermediate operation\uff09\u7684\u5904\u7406\uff0c\u6700\u540e\u7531\u7ec8\u7aef\u64cd\u4f5c (terminal operation) \u5f97\u5230\u524d\u9762\u5904\u7406\u7684\u7ed3\u679c\u3002Stream \u6d41\u53ef\u4ee5\u6781\u5927\u7684\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b83\u5199\u51fa\u66f4\u52a0\u7b80\u6d01\u660e\u4e86\u7684\u4ee3\u7801\u3002\u6211\u81ea\u4ece\u63a5\u89e6\u8fc7 Stream \u6d41\u4e4b\u540e\uff0c\u53ef\u4ee5\u8bf4\u5bf9\u5b83\u7231\u4e0d\u91ca\u624b\u3002<\/p>\n

\u4e8c\u3001Stream\u7684\u521b\u5efa<\/h2>\n

Stream<\/code><\/span>\u53ef\u4ee5\u901a\u8fc7\u96c6\u5408\u6570\u7ec4\u521b\u5efa\u3002<\/p>\n

1\u3001\u901a\u8fc7 java.util.Collection.stream()<\/code> <\/span>\u65b9\u6cd5\u7528\u96c6\u5408\u521b\u5efa\u6d41<\/p>\n

List<String> list = Arrays.asList(\"a\", \"b\", \"c\");\n\/\/ \u521b\u5efa\u4e00\u4e2a\u987a\u5e8f\u6d41\nStream<String> stream = list.stream();\n\/\/ \u521b\u5efa\u4e00\u4e2a\u5e76\u884c\u6d41\nStream<String> parallelStream = list.parallelStream();\n<\/code><\/pre>\n
2\u3001\u4f7f\u7528java.util.Arrays.stream(T[] array)<\/code><\/span>\u65b9\u6cd5\u7528\u6570\u7ec4\u521b\u5efa\u6d41<\/p>\n
int[] array={1,3,5,7,9};\nIntStream stream = Arrays.stream(array);\n<\/code><\/pre>\n
3\u3001\u4f7f\u7528Stream<\/code>\u7684\u9759\u6001\u65b9\u6cd5\uff1aof()\u3001iterate()\u3001generate()<\/code><\/span><\/p>\n
Stream<Integer> stream = Stream.of(1, 2, 3, 4, 5, 6);\n\nStream<Integer> stream2 = Stream.iterate(0, (x) -> x + 3).limit(4);\nstream2.forEach(System.out::println);\n\nStream<Double> stream3 = Stream.generate(Math::random).limit(3);\nstream3.forEach(System.out::println);\n<\/code><\/pre>\n
\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
0 3 6 9\n0.6796156909271994\n0.1914314208854283\n0.8116932592396652<\/code><\/pre>\n
stream<\/code><\/span>\u548cparallelStream<\/code><\/span>\u7684\u7b80\u5355\u533a\u5206\uff1a<\/strong> stream<\/code><\/span>\u662f\u987a\u5e8f\u6d41\uff0c\u7531\u4e3b\u7ebf\u7a0b\u6309\u987a\u5e8f\u5bf9\u6d41\u6267\u884c\u64cd\u4f5c\uff0c\u800cparallelStream<\/code><\/span>\u662f\u5e76\u884c\u6d41\uff0c\u5185\u90e8\u4ee5\u591a\u7ebf\u7a0b\u5e76\u884c\u6267\u884c\u7684\u65b9\u5f0f\u5bf9\u6d41\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f46\u524d\u63d0\u662f\u6d41\u4e2d\u7684\u6570\u636e\u5904\u7406\u6ca1\u6709\u987a\u5e8f\u8981\u6c42\u3002\u5982\u679c\u6d41\u4e2d\u7684\u6570\u636e\u91cf\u8db3\u591f\u5927\uff0c\u5e76\u884c\u6d41\u53ef\u4ee5\u52a0\u5feb\u5904\u901f\u5ea6\u3002\u9664\u4e86\u76f4\u63a5\u521b\u5efa\u5e76\u884c\u6d41\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7parallel()<\/code><\/span>\u628a\u987a\u5e8f\u6d41\u8f6c\u6362\u6210\u5e76\u884c\u6d41\uff1a<\/p>\n
Optional<Integer> findFirst = list.stream().parallel().filter(x->x>6).findFirst();\n<\/code><\/pre>\n
\u4e09\u3001Stream\u7684\u4f7f\u7528\uff08\u5177\u4f53\u6848\u4f8b\uff09<\/h2>\n
   \u6848\u4f8b\u4e2d\u7528\u5230\u7684\u5458\u5de5\u7c7b\uff1a<\/h3>\n
\/**\n * @description: \u5458\u5de5\n * @author: admin\n *\/\n@Data\npublic class Person {\n\n    \/*** \u59d3\u540d*\/\n    private String name;\n    \/*** \u85aa\u8d44*\/\n    private Integer salary;\n    \/*** \u5e74\u9f84*\/\n    private Integer age;\n    \/*** \u6027\u522b*\/\n    private String sex;\n    \/*** \u5730\u533a*\/\n    private String area;\n\n    public Person(String name, Integer salary, Integer age, String sex, String area) {\n        this.name = name;\n        this.salary = salary;\n        this.age = age;\n        this.sex = sex;\n        this.area = area;\n    }\n\n}<\/code><\/pre>\n
1.\u904d\u5386\/\u5339\u914d\uff08foreach\/find\/match\uff09<\/strong><\/p>\n
Stream<\/code>\u4e5f\u662f\u652f\u6301\u7c7b\u4f3c\u96c6\u5408\u7684\u904d\u5386\u548c\u5339\u914d\u5143\u7d20\u7684\uff0c\u53ea\u662fStream<\/code>\u4e2d\u7684\u5143\u7d20\u662f\u4ee5Optional<\/code>\u7c7b\u578b\u5b58\u5728\u7684\u3002Stream<\/code>\u7684\u904d\u5386\u3001\u5339\u914d\u975e\u5e38\u7684\u7b80\u5355\u3002<\/p>\n
    public static void main(String[] args) {\n\n        List<Integer> list = Arrays.asList(7, 6, 9, 3, 8, 2, 1);\n\n        \/\/ \u904d\u5386\u8f93\u51fa\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\n        List<Integer> collect = list.stream().filter(x -> x > 6).collect(Collectors.toList());\n        \/\/ \u5339\u914d\u7b2c\u4e00\u4e2a\n        Optional<Integer> findFirst = list.stream().filter(x -> x > 6).findFirst();\n        \/\/ \u5339\u914d\u4efb\u610f\uff08\u9002\u7528\u4e8e\u5e76\u884c\u6d41\uff09\n        Optional<Integer> findAny = list.parallelStream().filter(x -> x > 6).findAny();\n        \/\/ \u662f\u5426\u5305\u542b\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\n        boolean anyMatch = list.stream().anyMatch(x -> x > 6);\n        System.out.println(\"\u5927\u4e8e6\u7684\u503c\uff1a\" + collect);\n        System.out.println(\"\u5339\u914d\u7b2c\u4e00\u4e2a\u503c\uff1a\" + findFirst.get());\n        System.out.println(\"\u5339\u914d\u4efb\u610f\u4e00\u4e2a\u503c\uff1a\" + findAny.get());\n        System.out.println(\"\u662f\u5426\u5b58\u5728\u5927\u4e8e6\u7684\u503c\uff1a\" + anyMatch);\n    }<\/code><\/pre>\n
\u7ed3\u679c\uff1a<\/p>\n
2.\u7b5b\u9009\uff08filter\uff09 <\/strong><\/p>\n
 \u7b5b\u9009\uff0c\u662f\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u6821\u9a8c\u6d41\u4e2d\u7684\u5143\u7d20\uff0c\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u63d0\u53d6\u5230\u65b0\u7684\u6d41\u4e2d\u7684\u64cd\u4f5c\u3002<\/p>\n
    public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u7b5b\u9009\u51fa\u5de5\u4f5c\u9ad8\u4e8e3000\u7684\u5458\u5de5\n        List<String> list = personList.stream().filter(p -> p.getSalary() > 3000).map(Person::getName).collect(Collectors.toList());\n        System.out.println(\"\u85aa\u8d44\u9ad8\u4e8e3000\u5143\u7684\u5458\u5de5\uff1a\" + list);\n    }<\/code><\/pre>\n
\u7ed3\u679c\uff1a<\/p>\n
3.\u805a\u5408\uff08max\/min\/count) <\/strong><\/p>\n
max<\/span><\/code>\u3001<\/span>min<\/span><\/code>\u3001<\/span>count<\/span><\/code><\/span>\u8fd9\u4e9b\u5927\u5bb6\u90fd\u4e0d\u964c\u751f\uff0c\u5728mysql\u4e2d\u6211\u4eec\u5e38\u7528\u5b83\u4eec\u8fdb\u884c\u6570\u636e\u8fd0\u7b97\u548c\u7edf\u8ba1\u3002Java stream\u4e2d\u4e5f\u5f15\u5165\u4e86\u8fd9\u4e9b\u6982\u5ff5\u548c\u7528\u6cd5\uff0c\u6781\u5927\u5730\u65b9\u4fbf\u4e86\u6211\u4eec\u5bf9\u96c6\u5408\u3001\u6570\u7ec4\u7684\u6570\u636e\u7edf\u8ba1\u5de5\u4f5c\u3002<\/p>\n
    public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u83b7\u53d6\u5de5\u8d44\u6700\u9ad8\u7684\u5458\u5de5\n        Optional<Person> max = personList.stream().max(Comparator.comparingInt(Person::getSalary));\n        System.out.println(\"\u5458\u5de5\u5de5\u8d44\u6700\u5927\u503c\uff1a\" + max.get().getSalary());\n\n        \/\/ \u8ba1\u7b97\u5de5\u8d44\u5927\u4e8e2000\u7684\u6709\u591a\u5c11\u4eba\n        long count = personList.stream().filter(p -> p.getSalary() > 2000).count();\n        System.out.println(\"\u5de5\u8d44\u5927\u4e8e2000\u5143\u7684\u4eba\u6570\uff1a\" + count);\n        \n        \/\/ \u8ba1\u7b97\u6240\u6709\u5458\u5de5\u5de5\u8d44\u603b\u548c\n        int sum = personList.stream().mapToInt(Person::getSalary).sum();\n        System.out.println(\"\u6240\u6709\u5458\u5de5\u5de5\u8d44\u603b\u548c\uff1a\" + sum);\n    }<\/code><\/pre>\n
\u7ed3\u679c\uff1a<\/p>\n
4.\u6620\u5c04(map\/flatMap) <\/strong><\/p>\n
\u6620\u5c04\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6d41\u7684\u5143\u7d20\u6309\u7167\u4e00\u5b9a\u7684\u6620\u5c04\u89c4\u5219\u6620\u5c04\u5230\u53e6\u4e00\u4e2a\u6d41\u4e2d\u3002\u5206\u4e3amap<\/code><\/span>\u548cflatMap<\/code><\/span>\uff1a<\/p>\n
    \n
  • map<\/span><\/code><\/span>\uff1a\u63a5\u6536\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u51fd\u6570\u4f1a\u88ab\u5e94\u7528\u5230\u6bcf\u4e2a\u5143\u7d20\u4e0a\uff0c\u5e76\u5c06\u5176\u6620\u5c04\u6210\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\u3002<\/li>\n
  • flatMap<\/span><\/code><\/span>\uff1a\u63a5\u6536\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u5c06\u6d41\u4e2d\u7684\u6bcf\u4e2a\u503c\u90fd\u6362\u6210\u53e6\u4e00\u4e2a\u6d41\uff0c\u7136\u540e\u628a\u6240\u6709\u6d41\u8fde\u63a5\u6210\u4e00\u4e2a\u6d41\u3002<\/li>\n<\/ul>\n
       public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u5c06\u5458\u5de5\u5de5\u4f5c\u5168\u90e8\u589e\u52a010000\u5143\n        \/\/ 1\u3001\u65b9\u5f0f\u4e00\uff1a\u4e0d\u6539\u53d8\u539f\u6765\u5458\u5de5\u96c6\u5408\n        List<Person> personListNew = personList.stream().map(person -> {\n            Person personNew = new Person(person.getName(), 0, 0, null, null);\n            personNew.setSalary(person.getSalary() + 10000);\n            return personNew;\n        }).collect(Collectors.toList());\n        System.out.println(\"\u4e00\u6b21\u6539\u52a8\u524d\uff1a\" + personList.get(0).getName() + \">>>\" + personList.get(0).getSalary());\n        System.out.println(\"\u4e00\u6b21\u6539\u52a8\u540e\uff1a\" + personListNew.get(0).getName() + \">>>\" + personListNew.get(0).getSalary());\n\n        \/\/ 2\u3001\u65b9\u5f0f\u4e8c\uff1a\u6539\u53d8\u539f\u6765\u5458\u5de5\u96c6\u5408\u7684\u65b9\u5f0f\n        List<Person> personListNew2 = personList.stream().map(person -> {\n            person.setSalary(person.getSalary() + 10000);\n            return person;\n        }).collect(Collectors.toList());\n        System.out.println(\"\u4e8c\u6b21\u6539\u52a8\u524d\uff1a\" + personList.get(0).getName() + \">>>\" + personListNew.get(0).getSalary());\n        System.out.println(\"\u4e8c\u6b21\u6539\u52a8\u540e\uff1a\" + personListNew2.get(0).getName() + \">>>\" + personListNew.get(0).getSalary());\n\n        \/\/ \u5c06\u4e24\u4e2a\u5b57\u7b26\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u6570\u7ec4\n        List<String> list = Arrays.asList(\"Hello\", \"World\");\n        Stream<String> map = list.stream().map(s -> s.split(\"\")).flatMap(Arrays::stream);\n        map.forEach(System.out::print);\n        System.out.println();\n\n        \/\/ \u7ed9\u5b9a\u4e24\u4e2a\u6570\u5b57\u5217\u8868 \u83b7\u53d6\u6240\u6709\u7684\u6570\u5bf9\n        List<Integer> numbers1 = Arrays.asList(1, 2, 3);\n        List<Integer> numbers2 = Arrays.asList(3, 4);\n        \/\/ flatMap\u5347\u7ef4\u5ea6\n        List<int[]> pairs = numbers1.stream().flatMap(x -> numbers2.stream().map(y -> new int[] { x, y }))\n                .collect(Collectors.toList());\n        for (int[] pair : pairs) {\n            System.out.print(Arrays.toString(pair));\n        }\n\n    }<\/code><\/pre>\n
    \u7ed3\u679c\uff1a<\/p>\n
    5.\u5f52\u7ea6(reduce)<\/strong><\/p>\n
    \u5f52\u7ea6\uff0c\u4e5f\u79f0\u7f29\u51cf\uff0c\u987e\u540d\u601d\u4e49\uff0c\u662f\u628a\u4e00\u4e2a\u6d41\u7f29\u51cf\u6210\u4e00\u4e2a\u503c\uff0c\u80fd\u5b9e\u73b0\u5bf9\u96c6\u5408\u6c42\u548c\u3001\u6c42\u4e58\u79ef\u548c\u6c42\u6700\u503c\u64cd\u4f5c\u3002<\/p>\n
    public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u6c42\u6240\u6709\u5458\u5de5\u7684\u5de5\u8d44\u4e4b\u548c\u3001\u6700\u9ad8\u5de5\u8d44\n        \/\/ \u6c42\u5de5\u8d44\u4e4b\u548c\u65b9\u6cd51\uff1a\n        Optional<Integer> sumSalary = personList.stream().map(Person::getSalary).reduce(Integer::sum);\n        \/\/ \u6c42\u5de5\u8d44\u4e4b\u548c\u65b9\u6cd52\uff1a\n        Integer sumSalary2 = personList.stream().reduce(0, (sum, p) -> sum += p.getSalary(), Integer::sum);\n\n        \/\/ \u6c42\u6700\u9ad8\u5de5\u8d44\u65b9\u6cd51\uff1a\n        Integer maxSalary = personList.stream().reduce(0, (max, p) -> max > p.getSalary() ? max : p.getSalary(), Integer::max);\n        \/\/ \u6c42\u6700\u9ad8\u5de5\u8d44\u65b9\u6cd52\uff1a\n        Integer maxSalary2 = personList.stream().reduce(0, (max, p) -> max > p.getSalary() ? max : p.getSalary(), (max1, max2) -> max1 > max2 ? max1 : max2);\n        \/\/ \u6c42\u6700\u9ad8\u5de5\u8d44\u65b9\u6cd53\uff1a\n        Integer maxSalary3 = personList.stream().map(Person::getSalary).reduce(Integer::max).get();\n        System.out.println(\"\u5de5\u8d44\u4e4b\u548c\uff0c\u65b9\u6cd51\uff1a\" + sumSalary);\n        System.out.println(\"\u5de5\u8d44\u4e4b\u548c\uff0c\u65b9\u6cd52\uff1a\" + sumSalary2);\n        System.out.println(\"\u6700\u9ad8\u5de5\u8d44\uff0c\u65b9\u6cd51\uff1a\" + maxSalary);\n        System.out.println(\"\u6700\u9ad8\u5de5\u8d44\uff0c\u65b9\u6cd52\uff1a\" + maxSalary2);\n        System.out.println(\"\u6700\u9ad8\u5de5\u8d44\uff0c\u65b9\u6cd53\uff1a\" + maxSalary3);\n    }<\/code><\/pre>\n
    \u7ed3\u679c\uff1a<\/p>\n
    6.\u6536\u96c6(collect) <\/strong><\/p>\n
    collect<\/code><\/strong>\uff0c\u6536\u96c6\uff0c\u53ef\u4ee5\u8bf4\u662f\u5185\u5bb9\u6700\u7e41\u591a\u3001\u529f\u80fd\u6700\u4e30\u5bcc\u7684\u90e8\u5206\u4e86\u3002\u4ece\u5b57\u9762\u4e0a\u53bb\u7406\u89e3\uff0c\u5c31\u662f\u628a\u4e00\u4e2a\u6d41\u6536\u96c6\u8d77\u6765\uff0c\u6700\u7ec8\u53ef\u4ee5\u662f\u6536\u96c6\u6210\u4e00\u4e2a\u503c\u4e5f\u53ef\u4ee5\u6536\u96c6\u6210\u4e00\u4e2a\u65b0\u7684\u96c6\u5408\u3002<\/p>\n
    collect<\/span><\/code><\/strong><\/span>\u4e3b\u8981\u4f9d\u8d56<\/span>java.util.stream.Collectors<\/span><\/code><\/strong><\/span>\u7c7b\u5185\u7f6e\u7684\u9759\u6001\u65b9\u6cd5\u3002<\/span><\/p>\n
    6.1\u5f52\u96c6(toList\/toSet\/toMap)<\/strong><\/p>\n
    \u56e0\u4e3a\u6d41\u4e0d\u5b58\u50a8\u6570\u636e\uff0c\u90a3\u4e48\u5728\u6d41\u4e2d\u7684\u6570\u636e\u5b8c\u6210\u5904\u7406\u540e\uff0c\u9700\u8981\u5c06\u6d41\u4e2d\u7684\u6570\u636e\u91cd\u65b0\u5f52\u96c6\u5230\u65b0\u7684\u96c6\u5408\u91cc\u3002toList<\/span><\/code><\/strong><\/span>\u3001<\/span>toSet<\/span><\/code><\/strong><\/span>\u548ctoMap<\/span><\/code><\/strong><\/span>\u6bd4\u8f83\u5e38\u7528\uff0c\u53e6\u5916\u8fd8\u6709toCollection<\/span><\/code>\u3001<\/span>toConcurrentMap<\/span><\/code><\/span><\/strong>\u7b49\u590d\u6742\u4e00\u4e9b\u7684\u7528\u6cd5\u3002<\/p>\n
    \u4e0b\u9762\u7528\u4e00\u4e2a\u6848\u4f8b\u6f14\u793atoList<\/code>\u3001toSet<\/code><\/strong><\/span>\u548ctoMap<\/code><\/strong><\/span>\uff1a<\/p>\n
    public static void main(String[] args) {\n\n        List<Integer> list = Arrays.asList(1, 3, 4, 8, 6, 2, 20, 13);\n        List<Integer> list1 = list.stream().filter(a -> a % 2 == 0).collect(Collectors.toList());\n        Set<Integer> list2 = list.stream().filter(a -> a % 2 == 0).collect(Collectors.toSet());\n        System.out.println(\"\u88ab2\u6574\u9664\u7684list\u96c6\u5408\" + list1);\n        System.out.println(\"\u88ab2\u6574\u9664\u7684set\u96c6\u5408\" + list2);\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n        \/\/ \u5de5\u8d44\u5927\u4e8e3000\u5143\u7684\u5458\u5de5\n        Map<String, Integer> map = personList.stream().filter(person -> person.getSalary() > 3000).collect(Collectors.toMap(Person::getName, person -> person.getSalary()));\n        System.out.println(\"\u5de5\u8d44\u5927\u4e8e3000\u5143\u7684\u5458\u5de5:\" + map);\n    }<\/code><\/pre>\n
    \u7ed3\u679c\uff1a<\/p>\n
    6.2\u7edf\u8ba1(count\/averaging) <\/strong><\/p>\n
    Collectors<\/strong><\/span>\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7528\u4e8e\u6570\u636e\u7edf\u8ba1\u7684\u9759\u6001\u65b9\u6cd5\uff1a<\/p>\n
    \u8ba1\u6570\uff1acount<\/strong><\/span>
    \n\u5e73\u5747\u503c\uff1aaveragingInt<\/span>\u3001averagingLong<\/span>\u3001averagingDouble<\/span><\/strong>
    \n\u6700\u503c\uff1amaxBy<\/span>\u3001minBy<\/span><\/strong>
    \n\u6c42\u548c\uff1asummingInt<\/span>\u3001summingLong<\/span>\u3001summingDouble<\/span><\/strong>
    \n\u7edf\u8ba1\u4ee5\u4e0a\u6240\u6709\uff1asummarizingInt<\/span>\u3001summarizingLong<\/span>\u3001summarizingDouble<\/span><\/strong>
    \n <\/p>\n
        public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u56db\u5ddd\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u7edf\u8ba1\u5458\u5de5\u4eba\u6570\u3001\u5e73\u5747\u5de5\u8d44\u3001\u5de5\u8d44\u603b\u989d\u3001\u6700\u9ad8\u5de5\u8d44\n        \/\/ \u5458\u5de5\u603b\u4eba\u6570\n        long count = personList.stream().count();\n        \/\/ \u5e73\u5747\u5de5\u8d44\n        Double average = personList.stream().collect(Collectors.averagingDouble(Person::getSalary));\n        \/\/ \u6700\u9ad8\u5de5\u8d44\n        Optional<Integer> max = personList.stream().map(Person::getSalary).max(Integer::compare);\n        \/\/ \u5de5\u8d44\u4e4b\u548c\n        int sum = personList.stream().mapToInt(Person::getSalary).sum();\n        \/\/ \u4e00\u6b21\u6027\u7edf\u8ba1\u6240\u6709\u4fe1\u606f\n        DoubleSummaryStatistics collect = personList.stream().collect(Collectors.summarizingDouble(Person::getSalary));\n\n        System.out.println(\"\u5458\u5de5\u603b\u4eba\u6570\uff1a\" + count);\n        System.out.println(\"\u5458\u5de5\u5e73\u5747\u5de5\u8d44\uff1a\" + average);\n        System.out.println(\"\u5458\u5de5\u5de5\u8d44\u603b\u548c\uff1a\" + sum);\n        System.out.println(\"\u5458\u5de5\u5de5\u8d44\u6240\u6709\u7edf\u8ba1\uff1a\" + collect);\n    }<\/code><\/pre>\n
    \u7ed3\u679c\uff1a<\/p>\n
    6.3<\/strong>\u5206\u7ec4(partitioningBy\/groupingBy)<\/strong><\/p>\n
      \n
    • \u5206\u533a\uff1a\u5c06stream<\/code><\/span>\u6309\u6761\u4ef6\u5206\u4e3a\u4e24\u4e2aMap<\/code><\/span>\uff0c\u6bd4\u5982\u5458\u5de5\u6309\u85aa\u8d44\u662f\u5426\u9ad8\u4e8e8000\u5206\u4e3a\u4e24\u90e8\u5206\u3002<\/li>\n
    • \u5206\u7ec4\uff1a\u5c06\u96c6\u5408\u5206\u4e3a\u591a\u4e2aMap\uff0c\u6bd4\u5982\u5458\u5de5\u6309\u6027\u522b\u5206\u7ec4\u3002\u6709\u5355\u7ea7\u5206\u7ec4\u548c\u591a\u7ea7\u5206\u7ec4\u3002<\/li>\n<\/ul>\n
          public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u6309\u85aa\u8d44\u9ad8\u4e8e3000\u5206\u7ec4\n        Map<Boolean, List<Person>> salaryGroup = personList.stream().collect(Collectors.partitioningBy(p -> p.getSalary() > 3000));\n        List<Person> group1 = salaryGroup.get(true);\n        List<Person> group2 = salaryGroup.get(false);\n        for (Person person : group1) {\n            System.out.println(\"\u85aa\u8d44\u9ad8\u4e8e3000\u5143\u7ec4\uff1a\" + person);\n        }\n        for (Person person : group2) {\n            System.out.println(\"\u85aa\u8d44\u4f4e\u4e8e3000\u5143\u7ec4\uff1a\" + person);\n        }\n\n        \/\/ \u6309\u6027\u522b\u5206\u7ec4\n        Map<String, List<Person>> sexGroup = personList.stream().collect(Collectors.groupingBy(Person::getSex));\n        List<Person> group3 = sexGroup.get(\"\u7537\");\n        List<Person> group4 = sexGroup.get(\"\u5973\");\n        for (Person person : group3) {\n            System.out.println(\"\u7537\u5b50\u7ec4\uff1a\" + person);\n        }\n        for (Person person : group4) {\n            System.out.println(\"\u5973\u5b50\u7ec4\uff1a\" + person);\n        }\n\n        \/\/ \u5c06\u5458\u5de5\u5148\u6309\u6027\u522b\u5206\u7ec4\uff0c\u518d\u6309\u5730\u533a\u5206\u7ec4\n        Map<String, Map<String, List<Person>>> group = personList.stream().collect(Collectors.groupingBy(Person::getSex, Collectors.groupingBy(Person::getArea)));\n        Map<String, List<Person>> manGroup = group.get(\"\u7537\");\n        Map<String, List<Person>> womenGroup = group.get(\"\u5973\");\n        List<Person> group5 = manGroup.get(\"\u5408\u80a5\");\n        List<Person> group6 = womenGroup.get(\"\u4e0a\u6d77\");\n        System.out.println(\"\u5730\u533a\u5728\u5408\u80a5\u7684\u7537\u5b50\u7ec4\uff1a\" + group5);\n        System.out.println(\"\u5730\u533a\u5728\u4e0a\u6d77\u7684\u5973\u5b50\u7ec4\uff1a\" + group6);\n    }<\/code><\/pre>\n
      \u7ed3\u679c\uff1a<\/p>\n
      6.4\u63a5\u5408(joining) <\/strong><\/p>\n
      joining<\/code><\/span>\u53ef\u4ee5\u5c06stream\u4e2d\u7684\u5143\u7d20\u7528\u7279\u5b9a\u7684\u8fde\u63a5\u7b26\uff08\u6ca1\u6709\u7684\u8bdd\uff0c\u5219\u76f4\u63a5\u8fde\u63a5\uff09\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n
          public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 1000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 2000, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 3000, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 4000, 22, \"\u7537\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 5000, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        String persons = personList.stream().map(p -> p.getName() + \"-\" + p.getSex() + \"-\" + p.getSalary()).collect(Collectors.joining(\",\"));\n        System.out.println(\"\u6240\u6709\u5458\u5de5\u4fe1\u606f\uff1a\" + persons);\n    }<\/code><\/pre>\n
      \u7ed3\u679c\uff1a<\/p>\n
      6.5\u5f52\u7ea6(reducing) <\/strong><\/p>\n
      Collectors<\/code><\/span>\u7c7b\u63d0\u4f9b\u7684reducing<\/code><\/span>\u65b9\u6cd5\uff0c\u76f8\u6bd4\u4e8estream<\/code><\/span>\u672c\u8eab\u7684reduce<\/code><\/span>\u65b9\u6cd5\uff0c\u589e\u52a0\u4e86\u5bf9\u81ea\u5b9a\u4e49\u5f52\u7ea6\u7684\u652f\u6301\u3002<\/p>\n
          public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 6000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 6500, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 7300, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 8000, 22, \"\u7537\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 9860, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u6bcf\u4e2a\u5458\u5de5\u51cf\u53bb\u8d77\u5f81\u70b9\u540e\u7684\u85aa\u8d44\u4e4b\u548c\uff08\u8fd9\u91cc\u4e2a\u7a0e\u7684\u7b97\u6cd5\u5e76\u4e0d\u6b63\u786e\uff0c\u4f46\u6ca1\u60f3\u5230\u66f4\u597d\u7684\u4f8b\u5b50\uff09\n        Integer sum = personList.stream().map(Person::getSalary).reduce(0, (i, j) -> (i + j - 5000));\n        System.out.println(\"\u5458\u5de5\u6263\u7a0e\u85aa\u8d44\u603b\u548c\uff1a\" + sum);\n\n        \/\/ stream\u7684reduce\n        Optional<Integer> sum2 = personList.stream().map(Person::getSalary).reduce(Integer::sum);\n        System.out.println(\"\u5458\u5de5\u85aa\u8d44\u603b\u548c\uff1a\" + sum2.get());\n    }<\/code><\/pre>\n
      \u7ed3\u679c\uff1a<\/p>\n
      7.\u6392\u5e8f(sorted)<\/strong><\/p>\n
      sorted<\/span>\uff0c\u4e2d\u95f4\u64cd\u4f5c\u3002\u6709\u4e24\u79cd\u6392\u5e8f\uff1a<\/p>\n
        \n
      • sorted()\uff1a\u81ea\u7136\u6392\u5e8f\uff0c\u6d41\u4e2d\u5143\u7d20\u9700\u5b9e\u73b0Comparable\u63a5\u53e3<\/li>\n
      • sorted(Comparator com)\uff1aComparator\u6392\u5e8f\u5668\u81ea\u5b9a\u4e49\u6392\u5e8f<\/li>\n<\/ul>\n
            public static void main(String[] args) {\n\n        List<Person> personList = new ArrayList<>();\n        personList.add(new Person(\"\u5f20\u4e09\", 16000, 20, \"\u7537\", \"\u5317\u4eac\"));\n        personList.add(new Person(\"\u674e\u56db\", 8500, 21, \"\u7537\", \"\u5357\u4eac\"));\n        personList.add(new Person(\"\u738b\u4e94\", 7300, 20, \"\u5973\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u8d75\u516d\", 8000, 22, \"\u7537\", \"\u5408\u80a5\"));\n        personList.add(new Person(\"\u5b59\u4e03\", 15860, 25, \"\u5973\", \"\u4e0a\u6d77\"));\n\n        \/\/ \u6309\u5de5\u8d44\u5347\u5e8f\u6392\u5e8f\uff08\u81ea\u7136\u6392\u5e8f\uff09\n        List<String> newList = personList.stream().sorted(Comparator.comparing(Person::getSalary)).map(Person::getName).collect(Collectors.toList());\n        \/\/ \u6309\u5de5\u8d44\u5012\u5e8f\u6392\u5e8f\n        List<String> newList2 = personList.stream().sorted(Comparator.comparing(Person::getSalary).reversed()).map(Person::getName).collect(Collectors.toList());\n        \/\/ \u5148\u6309\u5de5\u8d44\u518d\u6309\u5e74\u9f84\u5347\u5e8f\u6392\u5e8f\n        List<String> newList3 = personList.stream().sorted(Comparator.comparing(Person::getSalary).thenComparing(Person::getAge)).map(Person::getName).collect(Collectors.toList());\n        \/\/ \u5148\u6309\u5de5\u8d44\u518d\u6309\u5e74\u9f84\u81ea\u5b9a\u4e49\u6392\u5e8f\uff08\u964d\u5e8f\uff09\n        List<String> newList4 = personList.stream().sorted((p1, p2) -> {\n            if (p1.getSalary().equals(p2.getSalary())) {\n                return p2.getAge() - p1.getAge();\n            } else {\n                return p2.getSalary() - p1.getSalary();\n            }\n        }).map(Person::getName).collect(Collectors.toList());\n\n        System.out.println(\"\u6309\u5de5\u8d44\u5347\u5e8f\u6392\u5e8f\uff1a\" + newList);\n        System.out.println(\"\u6309\u5de5\u8d44\u964d\u5e8f\u6392\u5e8f\uff1a\" + newList2);\n        System.out.println(\"\u5148\u6309\u5de5\u8d44\u518d\u6309\u5e74\u9f84\u5347\u5e8f\u6392\u5e8f\uff1a\" + newList3);\n        System.out.println(\"\u5148\u6309\u5de5\u8d44\u518d\u6309\u5e74\u9f84\u81ea\u5b9a\u4e49\u964d\u5e8f\u6392\u5e8f\uff1a\" + newList4);\n    }<\/code><\/pre>\n
        \u7ed3\u679c\uff1a<\/p>\n
        8.\u63d0\u53d6\/\u7ec4\u5408<\/strong><\/p>\n
        \u6d41\u4e5f\u53ef\u4ee5\u8fdb\u884c\u5408\u5e76\u3001\u53bb\u91cd\u3001\u9650\u5236\u3001\u8df3\u8fc7\u7b49\u64cd\u4f5c\u3002<\/p>\n
            public static void main(String[] args) {\n\n        String[] arr1 = {\"a\", \"b\", \"c\", \"d\"};\n        String[] arr2 = {\"d\", \"e\", \"f\", \"g\"};\n\n        Stream<String> stream1 = Stream.of(arr1);\n        Stream<String> stream2 = Stream.of(arr2);\n        \/\/ concat:\u5408\u5e76\u4e24\u4e2a\u6d41 distinct\uff1a\u53bb\u91cd\n        List<String> newList = Stream.concat(stream1, stream2).distinct().collect(Collectors.toList());\n        \/\/ limit\uff1a\u9650\u5236\u4ece\u6d41\u4e2d\u83b7\u5f97\u524dn\u4e2a\u6570\u636e\n        List<Integer> collect = Stream.iterate(1, x -> x + 2).limit(10).collect(Collectors.toList());\n        \/\/ skip\uff1a\u8df3\u8fc7\u524dn\u4e2a\u6570\u636e\n        List<Integer> collect2 = Stream.iterate(1, x -> x + 2).skip(1).limit(5).collect(Collectors.toList());\n\n        System.out.println(\"\u6d41\u5408\u5e76\uff1a\" + newList);\n        System.out.println(\"limit\uff1a\" + collect);\n        System.out.println(\"skip\uff1a\" + collect2);\n    }<\/code><\/pre>\n
        \u7ed3\u679c\uff1a<\/p>\n
        \u5982\u679c\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u6216\u8005\u6709\u6240\u542f\u53d1\u7684\u8bdd\uff0c\u6c42\u4e00\u952e\u4e09\u8fde\uff1a\u70b9\u8d5e\u3001\u8bc4\u8bba\u3001\u6536\u85cf\u2795\u5173\u6ce8\uff0c\u60a8\u7684\u652f\u6301\u662f\u6211\u575a\u6301\u5199\u4f5c\u6700\u5927\u7684\u52a8\u529b\u3002<\/strong><\/h3>\n<\/div>\n
        \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eCSDN\uff1ahttps:\/\/blog.csdn.net\/weixin_42555014\/article\/details\/127300101<\/p>\n","raw":"","protected":false},"excerpt":{"rendered":"
        \u4e00\u3001\u6982\u8ff0         Stream \u6d41\u662f Ja …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-2900","post","type-post","status-publish","format-standard","hentry","category-java"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-23\/20230714134523eaea6fb5b.jpeg","id":"image1"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-24\/20230714134524464657afa.jpeg","id":"image2"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-24\/20230714134524464657afa.jpeg","id":"image3"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-24\/202307141345248080cd40e.jpeg","id":"image4"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-24\/202307141345248080cd40e.jpeg","id":"image5"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-25\/202307141345256c6ca3d00.jpeg","id":"image6"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-25\/202307141345256c6ca3d00.jpeg","id":"image7"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-25\/202307141345254b4bd1a78.jpeg","id":"image8"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-25\/202307141345254b4bd1a78.jpeg","id":"image9"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-26\/20230714134526606023447.jpeg","id":"image10"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-26\/20230714134526606023447.jpeg","id":"image11"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-26\/202307141345269c9cb7d9e.jpeg","id":"image12"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-26\/202307141345269c9cb7d9e.jpeg","id":"image13"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-27\/20230714134527e2e2f32ae.jpeg","id":"image14"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-27\/20230714134527e2e2f32ae.jpeg","id":"image15"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-27\/20230714134527cecee2ad0.jpeg","id":"image16"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-27\/20230714134527cecee2ad0.jpeg","id":"image17"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-28\/20230714134528838346d1a.jpeg","id":"image18"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-28\/20230714134528838346d1a.jpeg","id":"image19"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-28\/20230714134528f2f2de0fc.jpeg","id":"image20"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/default\/nine\/2023-07-14\/13-45-28\/20230714134528f2f2de0fc.jpeg","id":"image21"}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