package JSONtest;  import java.util.ArrayList;import java.util.HashMap;import java.util.HashSet;import java.util.List;import java.util.Map;import java.util.Set; import net.sf.json.JSONObject; public class Jsontest1 {public static void main(String args[]){//生成一个JSONObject对象String data = "{}";JSONObject jsonObj = JSONObject.fromObject(data); //1.put 基本类型值int i=0;for(i=0; i<5; i++){jsonObj.put("id"+i, i);}System.out.println(jsonObj.toString()); //2.put 一个JSONObject对象JSONObject obj1 = JSONObject.fromObject(data);for(i=0; i<5; i++){obj1.put("child"+i, i);}jsonObj.put("JSONObject", obj1);System.out.println(jsonObj.toString()); //3.put 数组String[] strArr = new String[]{"加","数","组"};jsonObj.put("arr", strArr);System.out.println(jsonObj.toString()); // 4.put ListList
        
          list = new ArrayList
         
          ();list.add("加");list.add("列");list.add("表");jsonObj.put("list", list);System.out.println(jsonObj.toString()); //5.put SetSet
          
            set = new HashSet
           
            ();set.add("加");set.add("集");set.add("合");jsonObj.put("set", set);System.out.println(jsonObj.toString()); //6.put MapMap
            
              map = new HashMap
             
              ();map.put("map1", "加");map.put("map2", "映");map.put("map3", "射");jsonObj.put("map", map);System.out.println(jsonObj.toString()); //7.putAll MapjsonObj.putAll(map);System.out.println(jsonObj.toString()); //8.组合: (返回的结果value是一个对象数组)List
              
                jlist = new ArrayList
               
                ();JSONObject j = null;for(i=0; i<3; i++){j = JSONObject.fromObject(data);j.put("aaaa"+i, i);j.put("bbbb"+i, i);j.put("cccc"+i, i);jlist.add(j);}jsonObj.put("succList", jlist);System.out.println(jsonObj.toString()); //9.组合 : (返回的结果value是一个对象数组，对象的某个属性又是一个对象(嵌套))List
                
                  jlist1 = new ArrayList
                 
                  ();for(i=0; i<3; i++){j = JSONObject.fromObject(data);j.put("xxxx"+i, i);j.put("yyyy"+i, i);j.put("zzzz"+i, obj1);jlist1.add(j);}jsonObj.put("failList", jlist1);System.out.println(jsonObj.toString()); //10.组合: 可以任意嵌套JSONObject superJson = JSONObject.fromObject(data);superJson.put("super", jsonObj);superJson.put("base", "base");System.out.println(superJson.toString());}}
                 
                
               
              
             
            
           
          
         
        

 

输出结果：

{"id0":0,"id1":1,"id2":2,"id3":3,"id4":4}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"]}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"]}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"]}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"],"map":{"map3":"射","map2":"映","map1":"加"}}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"],"map":{"map3":"射","map2":"映","map1":"加"},"map3":"射","map2":"映","map1":"加"}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"],"map":{"map3":"射","map2":"映","map1":"加"},"map3":"射","map2":"映","map1":"加","succList":[{"aaaa0":0,"bbbb0":0,"cccc0":0},{"aaaa1":1,"bbbb1":1,"cccc1":1},{"aaaa2":2,"bbbb2":2,"cccc2":2}]}{
       "id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"],"map":{"map3":"射","map2":"映","map1":"加"},"map3":"射","map2":"映","map1":"加","succList":[{"aaaa0":0,"bbbb0":0,"cccc0":0},{"aaaa1":1,"bbbb1":1,"cccc1":1},{"aaaa2":2,"bbbb2":2,"cccc2":2}],"failList":[{"xxxx0":0,"yyyy0":0,"zzzz0":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}},{"xxxx1":1,"yyyy1":1,"zzzz1":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}},{"xxxx2":2,"yyyy2":2,"zzzz2":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}}]}{
       "super":{"id0":0,"id1":1,"id2":2,"id3":3,"id4":4,"JSONObject":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4},"arr":["加","数","组"],"list":["加","列","表"],"set":["合","加","集"],"map":{"map3":"射","map2":"映","map1":"加"},"map3":"射","map2":"映","map1":"加","succList":[{"aaaa0":0,"bbbb0":0,"cccc0":0},{"aaaa1":1,"bbbb1":1,"cccc1":1},{"aaaa2":2,"bbbb2":2,"cccc2":2}],"failList":[{"xxxx0":0,"yyyy0":0,"zzzz0":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}},{"xxxx1":1,"yyyy1":1,"zzzz1":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}},{"xxxx2":2,"yyyy2":2,"zzzz2":{"child0":0,"child1":1,"child2":2,"child3":3,"child4":4}}]},"base":"base"}