Josn转换1

  /**
     * List集合转换成JSNO
     */
    public static void getJsonToList() {
        List<String> list = new ArrayList<String>();
        list.add("first");
        list.add("second");
        JSONArray array = JSONArray.fromObject(list);
        for (int i = 0; i < array.size(); i++)
        {
            System.out.println(array.get(i));
        }
        System.out.println(array);
    }
   
    /**
     * Map集合转换成JSNO并且遍历JSNO对象
     */
    public static void getJsonToMap() {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("name", "json");
        map.put("bool", Boolean.TRUE);
        map.put("int", new Integer(1));
        map.put("arr", new String[] { "a", "b" });
        map.put("func", "function(i){ return this.arr[i]; }");
        JSONObject json = JSONObject.fromObject(map);
        Iterator iter = json.keys();
        while(iter.hasNext()) {
            String str = (String)iter.next();
            Object obj = json.get(str);
           
            if(obj instanceof JSONArray) {
                System.out.println(obj.getClass());
                JSONArray array = (JSONArray)obj;
                for (int i = 0; i < array.size(); i++)
                {
                    System.out.println((String)array.get(i));
                }
            }
            else if(obj instanceof Integer) {
                System.out.println(obj.getClass());
                System.out.println(((Integer)obj).toString());
            }
            else if(obj instanceof String) {
                System.out.println(obj.getClass());
                System.out.println(obj.toString());
            }
            else if(obj instanceof Boolean) {
                System.out.println(obj.getClass());
                System.out.println((Boolean)obj);
            }
            //System.out.println(obj.getClass());
        }
       
        System.out.println(json);
    }
   
    /**
     * Bean转换成json代码
     */
    public static void getJsonToBean() {
        JavaBean bean = new JavaBean();
        bean.setName("张三");
        bean.setSex("男");
        bean.setAge("20");
       
        JavaBean bean2 = new JavaBean();
        bean2.setName("李四");
        bean2.setSex("女");
        bean2.setAge("25");
        JSONObject jsonObject = JSONObject.fromObject(bean);
        System.out.println(jsonObject);
    }
   
    public static void getJsonToBeans() {

        List list = new ArrayList();
       
        JavaBean bean = new JavaBean();
        bean.setName("张三");
        bean.setSex("男");
        bean.setAge("20");
       
        JavaBean bean2 = new JavaBean();
        bean2.setName("李四");
        bean2.setSex("女");
        bean2.setAge("25");

        list.add(bean);
        list.add(bean2);

        JSONArray json = JSONArray.fromObject(list);
        for (int i = 0; i < json.size(); i++)
        {
            JSONObject obj = (JSONObject)json.get(i);
            Iterator iter = obj.keys();
            while(iter.hasNext()) {
                String str = (String)iter.next();
                String value = (String)obj.get(str);
                System.out.println("str:"+str+"---value:"+value);
            }
        }
    }
   
    /**
     * 数组转换成JSON
     */
    public static void getJsonToArray() {
        boolean[] boolArray = new boolean[] { true, false, true };
        JSONArray jsonArray = JSONArray.fromObject(boolArray);
        System.out.println(jsonArray);
    }
   
    /**
     * 一般数据转换成JSNO
     */
    public static void getJsonToData() {
        JSONArray jsonArray = JSONArray.fromObject("['json','is','easy']" );
        System.out.println(jsonArray);
    }
   
    /*public static void getJsonInfo() {
        String receiveStr = "{'opType':'add','infostr':[{'infoId':'123456'},{'infoId':'000000'}]}";
        JSONObject jsonObject = new JSONObject();
    }*/