JSONObject和HashMap 转换

原文地址：http://blog.youkuaiyun.com/iplayvs2008/article/details/16350919   在此谢谢作者的分享

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import net.sf.json.JSONArray;

import net.sf.json.JSONException;

import net.sf.json.JSONObject;

import com.wideyou.model.ExpressOrder;

import com.wideyou.warehouse.model.Storage;

public class HelperFunction {

public ExpressOrder ExpressOrderClassCast(JSONObject reserJson){

ExpressOrder expressOrder=new ExpressOrder();

expressOrder.setCid(Integer.parseInt(reserJson.getString("userId")));

expressOrder.setSendPerson(reserJson.getString("sendPerson"));

expressOrder.setSendPhone(reserJson.getString("sendPhone"));

expressOrder.setSendAddress(reserJson.getString("sendAddress"));

expressOrder.setBeginAddress(reserJson.getString("beginAddress"));

expressOrder.setOtherDes(reserJson.getString("otherDes"));

expressOrder.setEndAddress(reserJson.getString("endAddress"));

expressOrder.setReservPerson(reserJson.getString("reservPerson"));

expressOrder.setReservPhone(reserJson.getString("reservPhone"));

expressOrder.setReservAddress(reserJson.getString("reservAddress"));

expressOrder.setPostCode(reserJson.getString("reservAddress"));

expressOrder.setPayId(Integer.parseInt(reserJson.getString("payId")));

return expressOrder;

}

public Storage StorageClassCast(JSONObject reserJson){

Storage storage=new Storage();

storage.setSname(reserJson.getString("sname"));

storage.setCount(Integer.parseInt(reserJson.getString("count")));

return storage;

}

public static int getCid(JSONObject reserJson, boolean isConsumer){

if(isConsumer){

return Integer.parseInt(reserJson.getString("userId"));

}else{

return Integer.parseInt(reserJson.getString("memberId"));

}

}

//map转换为json字符串

public static String hashMapToJson(HashMap map) {  

    String string = "{";  

    for (Iterator it = map.entrySet().iterator(); it.hasNext();) {  

        Entry e = (Entry) it.next();  

        string += "'" + e.getKey() + "':";  

        string += "'" + e.getValue() + "',";  

    }  

    string = string.substring(0, string.lastIndexOf(","));  

    string += "}";  

    return string;  

}  

public static void JsonObject2HashMap(JSONObject jo, List> rstList) {

for (Iterator keys = jo.keys(); keys.hasNext();) {

try {

String key1 = keys.next();

System.out.println("key1---" + key1 + "------" + jo.get(key1)

+ (jo.get(key1) instanceof JSONObject) + jo.get(key1)

+ (jo.get(key1) instanceof JSONArray));

if (jo.get(key1) instanceof JSONObject) {

JsonObject2HashMap((JSONObject) jo.get(key1), rstList);

continue;

}

if (jo.get(key1) instanceof JSONArray) {

JsonArray2HashMap((JSONArray) jo.get(key1), rstList);

continue;

}

System.out.println("key1:" + key1 + "----------jo.get(key1):"

+ jo.get(key1));

json2HashMap(key1, jo.get(key1), rstList);

} catch (JSONException e) {

e.printStackTrace();

}

}

}

public static void JsonArray2HashMap(JSONArray joArr,

List> rstList) {

for (int i = 0; i < joArr.size(); i++) {

try {

if (joArr.get(i) instanceof JSONObject) {

JsonObject2HashMap((JSONObject) joArr.get(i), rstList);

continue;

}

if (joArr.get(i) instanceof JSONArray) {

JsonArray2HashMap((JSONArray) joArr.get(i), rstList);

continue;

}

System.out.println("Excepton~~~~~");

} catch (JSONException e) {

e.printStackTrace();

}

}

}

public static void json2HashMap(String key, Object value,

List> rstList) {

HashMap map = new HashMap();

map.put(key, value);

rstList.add(map);

}

}