Java json串生成及转bean

时间:2022-04-24 06:51:23
 
package com;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map; import net.sf.ezmorph.bean.MorphDynaBean;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
public class Fetion { public static void main(String[] ss) {
test2();
} public static void test(){ //构建json串
Map<String,Object> map3 = new HashMap<String,Object>();
map3.put("id",1234);map3.put("name","zhange");map3.put("age", 43); List<Object> ls = new ArrayList<Object>();
ls.add(map3); Map<String,Object> map2 = new HashMap<String,Object>();
map2.put( "count" , "1" );
map2.put( "router" , ls); Map<String,Object> map = new HashMap<String,Object>();
map.put( "listroutersresponse" , map2); JSONObject jsonObject2 = JSONObject.fromObject(map);
String response = jsonObject2.toString();
System.out.println("json串值:"+response); //解析json串
JSONObject jsonObject = JSONObject.fromObject(response);
JSONObject listvolumesresponse = (JSONObject) jsonObject.get("listroutersresponse");
if (listvolumesresponse != null && listvolumesresponse.has("router")) {
JSONArray router = (JSONArray) listvolumesresponse.getJSONArray("router");
List<MorphDynaBean> list = (List<MorphDynaBean>) JSONSerializer.toJava(router);
System.out.println("获取id值:"+list.get(0).get("id").toString());
}
System.out.println("---------------------------");
//构建MorphDynaBean
MorphDynaBean mdb;
JSONObject js = new JSONObject();
js.accumulate("areaid", 421);
js.accumulate("areaname", "福建");
mdb = (MorphDynaBean) JSONSerializer.toJava(js);
System.out.println("构建MorphDynaBean:" + mdb);
try {
System.out.println("获取地市名:" + mdb.get("areaname")); } catch (Exception e) {
e.printStackTrace();
}
System.out.println("---------------------------"); } public static void test2(){
//构建json串
Map<String,Object> map3 = new HashMap<String,Object>();
map3.put("id",1234);map3.put("name","zhange");map3.put("age", 43); Map<String,Object> map2 = new HashMap<String,Object>();
map2.put( "count" , "1" );
map2.put( "router" , map3); Map<String,Object> map = new HashMap<String,Object>();
map.put( "listroutersresponse" , map2); JSONObject jsonObject2 = JSONObject.fromObject(map);
String response = jsonObject2.toString();
System.out.println("json串值:"+response); //解析json串
JSONObject jsonObject = JSONObject.fromObject(response);
JSONObject listvolumesresponse = (JSONObject) jsonObject.get("listroutersresponse");
if (listvolumesresponse != null && listvolumesresponse.has("router")) {
JSONObject router = listvolumesresponse.getJSONObject("router");
System.out.println("获取id值:"+router.get("id").toString());
}
System.out.println("---------------------------");
//构建MorphDynaBean
MorphDynaBean mdb;
JSONObject js = new JSONObject();
js.accumulate("areaid", 421);
js.accumulate("areaname", "福建");
mdb = (MorphDynaBean) JSONSerializer.toJava(js);
System.out.println("构建MorphDynaBean:" + mdb);
try {
System.out.println("获取地市名:" + mdb.get("areaname")); } catch (Exception e) {
e.printStackTrace();
}
System.out.println("---------------------------"); } }

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