json 生成 json字符串

 1 package cn.itcast.controller;
 2 
 3 import static org.junit.Assert.*;
 4 
 5 import java.util.ArrayList;
 6 import java.util.List;
 7 
 8 import net.sf.json.JSONArray;
 9 import net.sf.json.JSONObject;
10 import net.sf.json.JsonConfig;
11 
12 import org.junit.Test;
13 
14 import cn.itcast.domain.Province;
15 
16 public class JSONlibTest {
17 
18     @Test
19     public void test1() {
20         Province p = new Province("山东省","250000");
21         JSONObject jsonObj = JSONObject.fromObject(p);
22         System.out.println(jsonObj.toString());
23     }
24     @Test
25     public void test2() {
26         List<Province> ps = new ArrayList<Province>();
27         ps.add(new Province("安徽省", "001"));
28         ps.add(new Province("浙江省", "002"));
29         ps.add(new Province("江苏省", "003"));
30         JSONArray jsonArr = JSONArray.fromObject(ps); 
31         System.out.println(jsonArr.toString());
32     }
33     @Test
34     public void test3() {
35         List<Province> ps = new ArrayList<Province>();
36         ps.add(new Province("安徽省", "001"));
37         ps.add(new Province("浙江省", "002"));
38         ps.add(new Province("江苏省", "003"));
39         
40         JsonConfig cfg = new JsonConfig();//JSON串过滤
41         cfg.setExcludes(new String[]{"zipcode"});//不包含的字段列表
42         
43         JSONArray jsonArr = JSONArray.fromObject(ps,cfg); 
44         System.out.println(jsonArr.toString());
45     }
46 }

1                     
2                     var data=this.responseText;
3                     
4                     var provinceJson=eval("("+data+")");