json小实例demo

package com.huangwenji.action; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import net.sf.json.xml.XMLSerializer; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class TestJSON { public static void main(String[] args) { test1(); test2(); test3(); test4(); test5(); } /** * 数组或集合-->JSON串 */ public static void test1() { System.out.println("------------数组或集合-->JSON串----------"); boolean[] boolArray = new boolean[] { true, false, true }; JSONArray jsonArray1 = JSONArray.fromObject(boolArray); System.out.println(jsonArray1); // [true,false,true] List list = new ArrayList(); list.add("first"); list.add("second"); JSONArray jsonArray2 = JSONArray.fromObject(list); System.out.println(jsonArray2); // ["first","second"] JSONArray jsonArray3 = JSONArray.fromObject("['json','is','easy']"); System.out.println(jsonArray3); // ["json","is","easy"] } /** * * Object|Map-->JSON串 * */ public static void test2() { System.out.println("------------Object|Map-->JSON串----------"); 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 jsonObject1 = JSONObject.fromObject(map); System.out.println(jsonObject1); // {"func":function(i){ return this.arr[i]; // },"arr":["a","b"],"int":1,"bool":true,"name":"json"} JSONObject jsonObject2 = JSONObject.fromObject(new MyBean()); System.out.println(jsonObject2); // {"func1":function(i){ return this.options[i]; },"func2":function(i){ // return this.options[i]; // },"name":"json","options":["a","f"],"pojoId":1} } /** * * JSON串-->Object * */ public static void test3() { System.out.println("------------JSON串-->Object----------"); String json1 = "{name=\"json\",bool:true,int:1,double:2.2,func:function(a){ return a; },array:[1,2]}"; JSONObject jsonObject1 = JSONObject.fromObject(json1); Object bean1 = JSONObject.toBean(jsonObject1); System.out.println(bean1); // net.sf.ezmorph.bean.MorphDynaBean@10dd1f7[ // {double=2.2, func=function(a){ return a; }, int=1, name=json, // bool=true, array=[1, 2]} // ] String json2 = "{bool:true,integer:1,string:\"json\"}"; JSONObject jsonObject2 = JSONObject.fromObject(json2); BeanA bean2 = (BeanA) JSONObject.toBean(jsonObject2, BeanA.class); System.out.println(bean2); // BeanA{bool=true, integer=1, string='json'} } /** * * JSON串-->XML * */ public static void test4() { System.out.println("------------JSON串-->XML----------"); JSONObject json = new JSONObject(true); String xml = new XMLSerializer().write(json); System.out.println(xml); JSONObject json1 = JSONObject .fromObject("{\"name\":\"json\",\"bool\":true,\"int\":1}"); String xml1 = new XMLSerializer().write(json1); System.out.println(xml1); JSONArray json2 = JSONArray.fromObject("[1,2,3]"); String xml2 = new XMLSerializer().write(json2); System.out.println(xml2); } /** * * XML-->JSON串 * */ public static void test5() { System.out.println("------------XML-->JSON串----------"); String xml = "" + "<a class=\"array\">\n" + " <e type=\"function\" params=\"i,j\">\n" + " return matrix[i][j];\n" + " </e>\n" + "</a>"; JSONArray json = (JSONArray) new XMLSerializer().read(xml); System.out.println(json); } }