Java 把json对象转成map键值对的方法

<dependency> 
      <groupId>org.json</groupId> 
      <artifactId>json</artifactId> 
      <version>20090211</version> 
    </dependency> 

package com.baofoo.admin.test; 
//import com.alibaba.fastjson.JSONObject; 
import lombok.extern.slf4j.Slf4j; 
import org.junit.Test; 
import org.json.*; 
import java.util.*; 
/** 
 * Created by BF100 on 2018/4/12. 
 */ 
@Slf4j 
public class TestByCaoxNew { 
  @Test 
  public void test1(){ 
    try{ 
      int a = 1/0; 
    }catch (Exception e){ 
      log.error("call Exception :{}",e); 
      e.printStackTrace(); 
    } 
    System.out.println("come on !!!"); 
  } 
  @Test 
  public void test2() throws Exception{ 
    String str = "{\"result\":\"success\",\"message\":\"成功！\"}"; 
    String str2 = "{result:success,message:成功}"; 
//    JSONObject jsStr = JSONObject.parseObject(str); 
//    System.out.println(jsStr); 
    JSONObject obj = new JSONObject(str); 
    Stack<JSONObject> stObj = new Stack<JSONObject>(); 
    stObj.push(obj); 
    Map<String, Object> resultMap =new HashMap<String, Object>(); 
    JsonToMap(stObj,resultMap); 
    Set<String> keys = resultMap.keySet(); 
    for (String key:keys){ 
      System.out.println(key+"："+resultMap.get(key)); 
    } 
  } 
  /** 
   * @Author：sks 
   * @Description：把json对象数据存储在map以键值对的形式存储，只存储叶节点 
   * @Date： 
   */ 
  private static void JsonToMap(Stack<JSONObject> stObj, Map<String, Object> resultMap) throws Exception { 
    if(stObj == null && stObj.pop() == null){ 
      return ; 
    } 
    JSONObject json = stObj.pop(); 
    Iterator it = json.keys(); 
    while(it.hasNext()){ 
      String key = (String) it.next(); 
      //得到value的值 
      Object value = json.get(key); 
      //System.out.println(value); 
      if(value instanceof JSONObject) 
      { 
        stObj.push((JSONObject)value); 
        //递归遍历 
        JsonToMap(stObj,resultMap); 
      } 
      else { 
        resultMap.put(key, value); 
      } 
    } 
  } 
  @Test 
  public void test3() throws Exception{ 
    String jsonStr ="{responseHeader:{status:0,QTime:0},spellcheck:{suggestions:{中国:{numFound:9,startOffset:0,endOffset:2," + 
        "suggestion:[中国工商银行, 中国人民, 中国国际, 中国农业, 中国市场, 中国经济, 中国人, 中国广播, 中国文化]}}," + 
        "collations:{collation:中国工商银行}}}"; 
    JSONObject obj = new JSONObject(jsonStr); 
    Stack<JSONObject> stObj = new Stack<JSONObject>(); 
    stObj.push(obj); 
    Map<String, Object> resultMap =new HashMap<String, Object>(); 
    JsonToMap(stObj,resultMap); 
    Set<String> keys = resultMap.keySet(); 
    for (String key:keys){ 
      System.out.println(key+"："+resultMap.get(key)); 
    } 
  } 
}