Json解析之 -- Gosn的使用:

package com.josn.demo;

import java.io.FileNotFoundException;
import java.io.FileReader;
 
import com.google.gson.JsonArray;
import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;
/**
 * http://www.cnblogs.com/zhanglu-cape/p/3960029.html  gson介绍
 * http://www.cnblogs.com/javaee6/p/3714766.html jackjson 使用介绍
 */
public class ReadJSON {
    public static void main(String args[]) throws FileNotFoundException{
    	
    	String test = "{"cat":"it","language":[{"id":1,"ide":"eclipse","name":Java},{"id":2,"ide":"XCode","name":"Swift"}, {"id":3,"ide":"Visual Stdio","name":"C#"}  ],"pop":true}";
        try {
            /**这里使用的是  gson的解析器 去解析
        	 * dependency>
			    <groupId>com.google.code.gson</groupId>
			    <artifactId>gson</artifactId>
			    <version>2.6.1</version>
			  </dependency>
        	 */
            JsonParser parser=new JsonParser();  //创建JSON解析器
            //JsonObject object=(JsonObject) parser.parse(new FileReader("test.json"));  //创建JsonObject对象
            JsonObject object=(JsonObject) parser.parse(test); 
            System.out.println("cat="+object.get("cat").getAsString()); //将json数据转为为String型的数据
            System.out.println("pop="+object.get("pop").getAsBoolean()); //将json数据转为为boolean型的数据
             
            JsonArray array=object.get("language").getAsJsonArray();    //得到为json的数组
            for(int i=0;i<array.size();i++){
                System.out.println("---------------");
                JsonObject subObject=array.get(i).getAsJsonObject();
                System.out.println("id="+subObject.get("id").getAsInt());
                System.out.println("name="+subObject.get("name").getAsString());
                System.out.println("ide="+subObject.get("ide").getAsString());
            }
             
        } catch (JsonIOException e) {
            e.printStackTrace();
        } catch (JsonSyntaxException e) {
            e.printStackTrace();
        }
    }

}
链接:http://blog.csdn.net/levae1024/article/details/78610566  json转换之 -- jsonBinder
原文地址:https://www.cnblogs.com/up-farm/p/7898941.html