正在做一個進銷存的項目，為了JSON和JAVA的POJO之間轉(zhuǎn)換，很費勁啊，

上傳，以備以后有用！

importjava.util.Collection;importjava.util.HashMap;importjava.util.Map;importnet.sf.json.JSONArray;importnet.sf.json.JSONObject;/***?JSON和JAVA的POJO的相互轉(zhuǎn)換

*

*@authorptah 2009-10-16?JSONUtil.java*/publicfinalclassJSONUtil {//將String轉(zhuǎn)換成JSONpublicstaticString?string2json(String?key,?String?value)?{

JSONObject?object=newJSONObject();

object.put(key,?value);returnobject.toString();

}//將JSON轉(zhuǎn)換成數(shù)組,其中valueClz為數(shù)組中存放的對象的ClasspublicstaticObject?json2Array(String?json,?Class?valueClz)?{

JSONArray?jsonArray=JSONArray.fromObject(json);returnJSONArray.toArray(jsonArray,?valueClz);

}//將Collection轉(zhuǎn)換成JSONpublicstaticString?collection2json(Object?object)?{

JSONArray?jsonArray=JSONArray.fromObject(object);returnjsonArray.toString();

}//將JSON轉(zhuǎn)換成Collection,其中collectionClz為Collection具體子類的Class,//valueClz為Collection中存放的對象的ClasspublicstaticCollection?json2Collection(String?json,?Class?collectionClz,

Class?valueClz)?{

JSONArray?jsonArray=JSONArray.fromObject(json);returnJSONArray.toCollection(jsonArray,?valueClz);

}//將數(shù)組轉(zhuǎn)換成JSONpublicstaticString?array2json(Object?object)?{

JSONArray?jsonArray=JSONArray.fromObject(object);returnjsonArray.toString();

}

//將Map轉(zhuǎn)換成JSONpublicstaticString?map2json(Object?object)?{

JSONObject?jsonObject=JSONObject.fromObject(object);returnjsonObject.toString();

}//將JSON轉(zhuǎn)換成Map,其中valueClz為Map中value的Class,keyArray為Map的keypublicstaticMap?json2Map(Object[]?keyArray,?String?json,?Class?valueClz)?{

JSONObject?jsonObject=JSONObject.fromObject(json);

Map?classMap=newHashMap();for(inti=0;?i

classMap.put(keyArray[i],?valueClz);

}return(Map)?JSONObject.toBean(jsonObject,?Map.class,?classMap);

}//將POJO轉(zhuǎn)換成JSONpublicstaticString?bean2json(Object?object)?{

JSONObject?jsonObject=JSONObject.fromObject(object);returnjsonObject.toString();

}//將JSON轉(zhuǎn)換成POJO,其中beanClz為POJO的ClasspublicstaticObject?json2Object(String?json,?Class?beanClz)?{returnJSONObject.toBean(JSONObject.fromObject(json),?beanClz);

}//將JSON轉(zhuǎn)換成StringpublicstaticString?json2String(String?json,?String?key)?{

JSONObject?jsonObject=JSONObject.fromObject(json);returnjsonObject.get(key).toString();

}

}

轉(zhuǎn)載：http://nweiren.javaeye.com/category/82599?show_full=true

總結(jié)

以上是生活随笔為你收集整理的java pojo 转 map_JSON和JAVA的POJO的相互转换的全部內(nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯，歡迎將生活随笔推薦給好友。