jar：fast.jar

依赖：

     
     	
      
       com.alibaba
      	
      
       fastjson
      	
      
       1.2.46
      
     

 

工具类

package json;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import json.test.Student;public class JSONSerial {	public static JSONArray toJsonArray(String str) {		JSONArray jsonArray = JSON.parseArray(str);		return jsonArray;	}	public static JSONObject toJson(String str) {		JSONObject jsonObject = JSON.parseObject(str);		return jsonObject;	}	public static String serial(Object obj) {		return JSON.toJSONString(obj);	}	public static 
     
       T deserial(String str, Class
      
        clazz) {		if (str == null || str.length() == 0) {			return null;		}		return JSON.parseObject(str, clazz);	}	public static void main(String[] args) {		String jsonStr = "{\"studentName\":\"lily\",\"studentAge\":12}";//		JSONObject j = toJson(jsonStr);//		System.out.println(j.getString("studentName"));				Student s = deserial(jsonStr, Student.class);		System.out.println(s.getStudentAge());		String strs = serial(s);		System.out.println(strs);				String  JSON_ARRAY_STR = "[{\"studentName\":\"lily\",\"studentAge\":12},{\"studentName\":\"lucy\",\"studentAge\":15}]";		JSONArray jsonArray	= toJsonArray(JSON_ARRAY_STR);		for(Object obj : jsonArray){			JSONObject jsonObject = (JSONObject) obj;			System.out.println(jsonObject.get("studentName"));		}	}}
      
     

 

测试类

package json.test;public class Student {	private String studentName;	private int studentAge;	public String getStudentName() {		return studentName;	}	public void setStudentName(String studentName) {		this.studentName = studentName;	}	public int getStudentAge() {		return studentAge;	}	public void setStudentAge(int studentAge) {		this.studentAge = studentAge;	}	}

 

测试执行类

package json.test;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import json.JSONSerial;/**    * @Title: TestFastJson.java  * @Package json.test  * @Description: TODO(用一句话描述该文件做什么)  * @author licy  * @date 2018年11月9日  * @version V1.0    */public class TestFastJson {	public static void main(String[] args) {		String jsonStr = "{\"studentName\":\"lily\",\"studentAge\":12}";//		JSONObject j = toJson(jsonStr);//		System.out.println(j.getString("studentName"));				Student s = JSONSerial.deserial(jsonStr, Student.class);		System.out.println(s.getStudentAge());		String strs = JSONSerial.serial(s);		System.out.println(strs);				String  JSON_ARRAY_STR = "[{\"studentName\":\"lily\",\"studentAge\":12},{\"studentName\":\"lucy\",\"studentAge\":15}]";		JSONArray jsonArray	= JSONSerial.toJsonArray(JSON_ARRAY_STR);		for(Object obj : jsonArray){			JSONObject jsonObject = (JSONObject) obj;			System.out.println(jsonObject.get("studentName"));		}	}}