JSONObject，String，Map互相转换
JSONObject和String相互转换
JSONObject jsonObject = new JSONObject();
JSONArray jsonArray = new JSONArray();
try {
jsonObject.put("a","1");
jsonObject.put("b","2");
jsonObject.put("c","3");
jsonObject.put("d","4");
for(int i=0;i<10;i++){
JSONObject object = new JSONObject();
object.put("name",i+"");
jsonArray.put(object);
}
jsonObject.put("abcd",jsonArray);
} catch (JSONException e) {
e.printStackTrace();
}
Log.e("MainActivity",String());
try {
JSONObject object = new String());
Log.e("MainActivity",String());
} catch (JSONException e) {
e.printStackTrace();
}
输⼊结果
11-13 14:14:13.846 ample.apple.demo E/MainActivity:
{"a":"1","b":"2","c":"3","d":"4","abcd":[{"name":"0"},{"name":"1"},{"name":"2"},{"name":"3"},{"name":"4"},{"name":"5"},{"name":"6"},{"name":"7"},{"name":"8"},{"name":"9"}]} 11-13 14:14:13.846 ample.apple.demo E/MainActivity: {"a":"1","b":"2","c":"3","d":"4","abcd":[{"name":"0"},{"name":"1"},{"name":"2"},{"name":"3"},{"name":"4"},{"name":"5"},{"name":"6"},{"name":"7"},{"name":"8"},{"name":"9"}]} JSONObject和Map相互转换，这个转换需要⼀个第三⽅的库⽂件，我⽐较喜欢⽤FastJson，具体使⽤请看我的另外⼀篇博客
compile 'com.alibaba:fastjson:1.2.41'
object toHashMap<String,String>map = new HashMap<>();
map.put("a","1");
map.put("b","2");
map.put("c","3");
String json = JSONString(map);//map转String
JSONObject jsonObject = JSON.parseObject(json);//String转json
//json转map
Map<String, String> jsonMap = JavaObject(jsonObject, Map.class);
//String转map
Map<String, String> jsonMap1 = JSONObject.parseObject(json, Map.class);

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