Springboot 解析 json 并返回+ Jsoup介绍及解析常用方法

    <dependency>
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
             <version>1.11.2</version>
    </dependency>
        
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.9</version>
        </dependency>

1 packagecom.example.model;
2 
3 public classNewBean {
4     privateString title;
5     privateString content;
6     privateString imgUrl;
7     privateString urlA;
8 
9     publicNewBean() {
10 
11 }
12 
13     publicNewBean(String title, String content,
14 String imgUrl, String urlA) {
15         super();
16         this.title =title;
17         this.content =content;
18         this.imgUrl =imgUrl;
19         this.urlA =urlA;
20 }
21 
22     publicString getTitle() {
23         returntitle;
24 }
25 
26     public voidsetTitle(String title) {
27         this.title =title;
28 }
29 
30     publicString getContent() {
31         returncontent;
32 }
33 
34     public voidsetContent(String content) {
35         this.content =content;
36 }
37 
38     publicString getImgUrl() {
39         returnimgUrl;
40 }
41 
42     public voidsetImgUrl(String imgUrl) {
43         this.imgUrl =imgUrl;
44 }
45 
46     publicString getUrlA() {
47         returnurlA;
48 }
49 
50     public voidsetUrlA(String urlA) {
51         this.urlA =urlA;
52 }
53 
54 @Override
55     publicString toString() {
56         return "NewBean：[title=" + title + ", content=" + content + ", imgUrl=" + imgUrl + "urlA" + urlA + "]";
57 }
58 }

1 packagecom.example.controller;
2 
3 importjava.util.ArrayList;
4 importjava.util.List;
5 
6 importorg.springframework.boot.autoconfigure.SpringBootApplication;
7 importorg.springframework.web.bind.annotation.RequestMapping;
8 importorg.springframework.web.bind.annotation.RestController;
9 importjava.io.IOException;
10 
11 importorg.jsoup.Jsoup;
12 importorg.jsoup.nodes.Document;
13 importorg.jsoup.nodes.Element;
14 importorg.jsoup.select.Elements;
15 
16 importcom.alibaba.fastjson.JSON;
17 importcom.example.model.NewBean;
18 
19 @SpringBootApplication
20 @RestController
21 public classSpringTestApplication {
22 
23     @RequestMapping("hello")
24     publicString hello(){
25         return "hello";
26 }
27     
28     
29     @RequestMapping("json")
30     public static String getNew(inti) {
31         String url = "http://www.cnmo.com/news/all_" + i + ".html";
32         List<NewBean> list_bean = new ArrayList<>();
33 NewBean newbean;
34         try{
35             Document doc =Jsoup.connect(url).get();
36             //获取class等于Newcon的div标签
37             Element contents = doc.select("div.Newcon").first();
38             Elements content = contents.getElementsByClass("Newcon-list");
39             for(Element element : content) {
40                 Elements linka = element.getElementsByTag("a");
41                 String linkHref = linka.get(0).attr("href");
42                 String linkText = linka.get(0).text();
43                 Elements linkimg = element.getElementsByTag("img");
44                 String linkSrc = linkimg.get(0).attr("src");
45                 Elements linkp = element.getElementsByTag("p");
46                 String linktxt = linkp.get(0).text();
47                 //这里把内部类修饰为static所以直接new
48                 newbean = newNewBean(linkText, linktxt, linkSrc, linkHref);
49 list_bean.add(newbean);
50 }
51             //使用了阿里的fastJson，其它json框架也可以，true是格式化
52             String json = JSON.toJSONString(list_bean, true);
53             returnjson;
54         } catch(IOException e) {
55             //e.printStackTrace();
56             return null;
57 }
58 }
59     
60     
61 }

packagecom.example.controller;

importorg.springframework.boot.SpringApplication;
importorg.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public classSpringDemoApplication {

    public static voidmain(String[] args) {
        SpringApplication.run(SpringDemoApplication.class, args);
    }
}

:matchesOwn(regex) 使用正则表达式找到自身的文本