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Json解析之FastJson

2024-07-11 18:46:13   223人阅读

1、FastJson介绍

FastJson是阿里巴巴提供的一个Json处理工具包，具有极快的性能，超越任其他的Java Json parser。使用起来非常方便。

2、例程

首先下载fastjson-1.1.27-android.jar包并导入工程中：

DataBean.java：

package com.heqiang.testactivity;

public class DataBean{
    private String name;
    private String url;
    private String summary;
    private long id;
    public DataBean() {
    }
    
    public DataBean(long id, String name, String url, String summary) {
    	this.id = id;
    	this.name = name;
    	this.url = url;
    	this.summary = summary;
    }
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getUrl() {
        return url;
    }
    public void setUrl(String url) {
        this.url = url;
    }
    public String getSummary() {
        return summary;
    }
    public void setSummary(String summary) {
		this.summary = summary;
    }

	public long getId() {
		return id;
	}

	public void setId(long id) {
		this.id = id;
	}
}

ResponseBean.java：

package com.heqiang.testactivity;

public class ResponseBean {
	private int code;
	private String message;
	private Value value;

	public int getCode() {
		return code;
	}

	public void setCode(int code) {
		this.code = code;
	}

	public String getMessage() {
		return message;
	}

	public void setMessage(String message) {
		this.message = message;
	}

	public Value getValue() {
		return value;
	}

	public void setValue(Value value) {
		this.value = http://www.mamicode.com/value;>

解析函数：
	private void testFastJson(){
		String data = http://www.mamicode.com/"{/"code/":200,/"message/":/"/",/"value/":{/"flag/":true,/"data/":[{/"url/":/"http://www.baidu.com/",/"id/":1,/"name/":/"百度/",/"summary/":/"搜索引擎/"},{/"url/":/"http://www.sina.com/",/"id/":2,/"name/":/"新浪/",/"summary/":/"门户网站/"},{/"url/":/"http://www.qq.com/",/"id/":3,/"name/":/"腾讯/",/"summary/":/"社交网络/"},{/"url/":/"http://www.taobao.com/",/"id/":4,/"name/":/"淘宝/",/"summary/":/"购物网站/"}]}}";>
程序运行后打印如下：
name = 百度, url = http://www.baidu.com, id = 1, summary = 搜索引擎
name = 新浪, url = http://www.sina.com, id = 2, summary = 门户网站
name = 腾讯, url = http://www.qq.com, id = 3, summary = 社交网络
name = 淘宝, url = http://www.taobao.com, id = 4, summary = 购物网站


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