java 《十六》json转map

package com.util;

import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import com.alibaba.fastjson.JSONObject;

/**
 * jsonobject遍历转换
 * 
 * @author yushen
 * 
 */
public class JSONObjectForMapZH {

  public static void main(String[] args) {
    Test();
  }
  public static void Test() {
    // JSONObject 遍历key value
    String str = "{\"name\":\"n1\",\"name1\":\"n1\",\"name2\":\"n1\"}";
    JSONObject jo = (JSONObject) JSONObject.parse(str);
    Set<String> stJO = jo.keySet();
    Iterator<String> sIterator = stJO.iterator();
    //输出key value
    while (sIterator.hasNext()) {
      String key = sIterator.next(); // 获得key
      String value = jo.getString(key); // 根据key获得value,
      System.out.println(key + "----" + value);
    }
    // JSONObject转map
    Map<String, Object> map = jo;
    Iterator<String> sIterator2 = map.keySet().iterator();
    while (sIterator2.hasNext()) {
      String key = sIterator2.next(); // 获得key
      String value = (String) map.get(key); // 根据key获得value,
      System.out.println(key + "----" + value);
    }
    // map转jsonObject
    JSONObject jo2 = (JSONObject) map;
    System.out.println(jo2);

  }
}