I want to create a json object in front, there are multiple data {id: num: price}, for example, how to put more of these data in the same json objects and how to create the json object is?

Now I will only in the two data below, now see a lot of information on the net, json is a little bit confused,

CodePudding user response:

You can start to build an object or a Map to your id, num, price as the key attribute of an object or a Map, and then the object with library and Map into a json format string output response

CodePudding user response:

 
/* * 
* generate json string objects 
* 
* @ param & lt; T> 
* @ param t 
* @ return 
*/
Public static & lt; T> String toJson (T T) {
Objects. RequireNonNull (t); 
Return new Gson (). ToJson (t); 
} 
/* * 
* generate json string Map 
* 
* @ param map 
* @ return 
*/
Public static String toJson (Map Map) {
If (null==map | | map. The isEmpty ()) {
Return "{}"; 
} 
Type gsonType=new TypeToken () {}. GetType (); 
Return new Gson (). ToJson (map, gsonType); 
} 
Public static String toStatsJson (Map Map) {
If (null==map | | map. The isEmpty ()) {
Return "{}"; 
} 
Type gsonType=new TypeToken () {}. GetType (); 
Return new Gson (). ToJson (map, gsonType); 
}