Jsonobject.fromobject--json and Object Conversion __json

JSON's conversion to Java data (JSON, the JavaScript Object natation) is a lightweight data interchange format that is ideal for server interaction with JavaScript. ）

The code has this sentence, is the background of the encapsulation data. Jsonobject Jo = jsonobject.fromobject (map);
Common Java code converted to JSON

--Please note that this method has caused me confusion. Because it is converted to object by all GetXXX () methods in the domain class. If you write a getxxx () method in a class, you will have the XXX attribute returned to you.

--Use the class under net.sf.json.* (Jar package is Json-lib-x.x.jar)

1. List collection converted to JSON code

List List = new ArrayList ();

List.add ("a");

List.add ("second");

Jsonarray jsonArray2 = jsonarray.fromobject (list);

2. Map collection converted to JSON code

Map map = new HashMap ();

Map.put ("name", "JSON");

Map.put ("bool", boolean.true);

Map.put ("int", new Integer (1));

Map.put ("arr", new string[] {"A", "B"});

Map.put ("func", "function (i) {return this.arr[i];}");

Jsonobject JSON = jsonobject.fromobject (map);

3. Bean converted to JSON code

Jsonobject jsonobject = jsonobject.fromobject (New Jsonbean ());

4. Convert array into JSON code

boolean[] Boolarray = new boolean[] {true, false, true};

Jsonarray jsonArray1 = Jsonarray.fromobject (Boolarray);

5. Convert general data into JSON code

Jsonarray jsonArray3 = Jsonarray.fromobject ("[' json ', ' is ', ' easy ']");