jsonutil 工具类的使用

    /**  
     * 实体Bean转json串  
     *  void  
     */  
    public void testgetJsonStr1() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        MyBean myBean = new MyBean();   
        List list = new ArrayList();   
        list.add(ps);   
  
        myBean.setData(list);   
        //print: {"data":[{"dateAttr":"2009-09-12 07:24:54","name":"get"}]}   
        System.out.println(JsonUtil.getJsonStr(myBean));   
    }   
  
    /**  
     * map转json串  
     *  void  
     */  
    public void testgetJsonStr2() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        Map map = new LinkedHashMap();   
        map.put("person1", ps);   
  
        //print: {"person1":{"dateAttr":"2009-09-12 07:24:27","name":"get"}}   
        System.out.println(JsonUtil.getJsonStr(map));   
    }   
  
    /**  
     * 数组转json串  
     *  void  
     */  
    public void testgetJsonStr3() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        Person[] personArr = new Person[1];   
        personArr[0] = ps;   
        //print: [{"dateAttr":"2009-09-12 07:23:54","name":"get"}]   
        System.out.println(JsonUtil.getJsonStr(personArr));   
    }   
  
    /**  
     * list转json串  
     *  void  
     */  
    public void testgetJsonStr4() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        List list = new ArrayList();   
        list.add(ps);   
  
        //print: [{"dateAttr":"2009-09-12 07:22:49","name":"get"}]   
        System.out.println(JsonUtil.getJsonStr(list));   
    }   
  
    /**  
     * set转json串  
     *  void  
     */  
    public void testgetJsonStr5() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        Set set = new LinkedHashSet();   
        set.add(ps);   
  
        //print: [{"dateAttr":"2009-09-12 07:22:16","name":"get"}]   
        System.out.println(JsonUtil.getJsonStr(set));   
    }




    /**  
     * 实体Bean转XML  
     *  void  
     */  
    public void testGetXMLFromObj7() {   
        Person ps = new Person();   
        ps.setDateAttr(new Date());   
        ps.setName("get");   
        System.out.println(JsonUtil.getXMLFromObj(ps));   
        /*  print:  
            <?xml version="1.0" encoding="UTF-8"?>  
            <o>  
                <dateAttr type="string">2009-09-12 07:13:02</dateAttr>  
                <name type="string">get</name>  
            </o>  
         */  
    }




public class JSONUtils{
    /**
     * 
     * @author wangwei JSON工具类
     * @param 
     * 
     */
    
    /***
     * 将List对象序列化为JSON文本
     */
    public static <T> String toJSONString(List<T> list){
        JSONArray jsonArray = JSONArray.fromObject(list);


        return jsonArray.toString();
    }
    
    /***
     * 将对象序列化为JSON文本
     * @param object
     * @return
     */
    public static String toJSONString(Object object){
        JSONArray jsonArray = JSONArray.fromObject(object);


        return jsonArray.toString();
    }
}

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转载自blog.csdn.net/AlbenXie/article/details/80285714
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