Json转换Java对象和JavaList集合

来源：互联网发布：bp人工神经网络算法编辑：程序博客网时间：2024/05/20 06:50

public static void main(String[] args) {

// 转换对象
String strJson ="{\"basemenu_id\":\"1\",\"basemenu_name\":\"aaaaaa\",\"basemenu_order\":\"2\"}";
aaaa jb = (aaaa)json2Object(strJson,aaaa.class);
System.out.print("json转对象"+jb.getBasemenu_id()+","+jb.getBasemenu_name()+","+jb.getBasemenu_order()+"\n");

//转list
String json="[{\"basemenu_id\":\"1\",\"basemenu_name\":\"aaaaaa\",\"basemenu_order\":\"2\"},"
+ "{\"basemenu_id\":\"2\",\"basemenu_name\":\"cccccc\",\"basemenu_order\":\"3\"},"
+ "{\"basemenu_id\":\"3\",\"basemenu_name\":\"dddddd\",\"basemenu_order\":\"4\"},"
+ "{\"basemenu_id\":\"4\",\"basemenu_name\":\"bbbbbb\",\"basemenu_order\":\"5\"},"
+ "{\"basemenu_id\":\"5\",\"basemenu_name\":\"eeeeee\",\"basemenu_order\":\"6\"},"
+ "{\"basemenu_id\":\"6\",\"basemenu_name\":\"rrrrrr\",\"basemenu_order\":\"7\"},"
+ "{\"basemenu_id\":\"7\",\"basemenu_name\":\"tttttt\",\"basemenu_order\":\"8\"},"
+ "{\"basemenu_id\":\"8\",\"basemenu_name\":\"uuuuuu\",\"basemenu_order\":\"9\"},"
+ "{\"basemenu_id\":\"9\",\"basemenu_name\":\"oooooo\",\"basemenu_order\":\"10\"},"
+ "{\"basemenu_id\":\"10\",\"basemenu_name\":\"llllll\",\"basemenu_order\":\"11\"}]";

@SuppressWarnings("rawtypes")
List list = (List)json2ObjectList(json, aaaa.class);

@SuppressWarnings("rawtypes")
Iterator it = list.iterator();
System.out.print("集合循环\n");
while(it.hasNext()){
aaaa p = (aaaa)it.next();

System.out.print(p.getBasemenu_id()+","+p.getBasemenu_name()+","+p.getBasemenu_order()+"\n");
}
}

//单个对象
public static Object json2Object(String strJson, @SuppressWarnings("rawtypes") Class beanClass) {
return JSONObject.toBean(JSONObject.fromObject(strJson), beanClass);
}

//返回 list 对象数组字符串JSON要添加[]
public static Object json2ObjectList(String strJson, @SuppressWarnings("rawtypes")Class beanClass) {
return JSONArray.toCollection(JSONArray.fromObject(strJson), beanClass);
}

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