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/**
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* json格式:{"name":"admin","retries":"3fff","testname"
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* :"ddd","testretries":"fffffffff"}
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*/
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private static HashMap<String, String> toHashMap(Object object)
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{
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HashMap<String, String> data = new HashMap<String, String>();
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// 将json字符串转换成jsonObject
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JSONObject jsonObject = JSONObject.fromObject(object);
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Iterator it = jsonObject.keys();
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// 遍历jsonObject数据,添加到Map对象
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while (it.hasNext())
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{
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String key = String.valueOf(it.next());
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String value = (String) jsonObject.get(key);
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data.put(key, value);
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}
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return data;
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}
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把List转换成JSON数据:
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List<UserInfo> list = new ArrayList<UserInfo>();
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UserInfo user = new UserInfo(1001, "张三");
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list.add(user);
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list.add(user);
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list.add(user);
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JSONArray jsonArray = JSONArray.fromObject(list);
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System.out.println(jsonArray);
把Map转换成json, 要使用jsonObject对象:
Map<String, Object> map = new HashMap<String, Object>();
map.put("userId", 1001);
map.put("userName", "张三");
map.put("userSex", "男");
JSONObject jsonObject = JSONObject.fromObject(map);
System.out.println(jsonObject);
http://jingyan.baidu.com/article/1709ad80b780f04634c4f0d9.html
对象转换成JSON:
UserInfo user = new UserInfo(1001,"张三");
JSONArray jsonArray = JSONArray.fromObject(user);
System.out.println( jsonArray )
;
将数组转换为JSON:
String[] arr = {"asd","dfgd","asd","234"};
JSONArray jsonarray = JSONArray.fromObject(arr);
System.out.println(jsonarray);