【第22篇】通过JackJson去读取Json数组数据

package ivyy.taobao.com.domain.fackjson;

import ivyy.taobao.com.entity.About;

import org.codehaus.jackson.JsonFactory;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.JsonToken;
import org.codehaus.jackson.map.ObjectMapper;

/**
 *@Author:liangjl
 *@Date:2015-1-5
 *@Version:1.0
 *@Description:jackjson不支持'如:
 *正确：jsonStr="[{\"age\":22,\"sex\":\"男\",\"userName\":\"xiaoliang\"},{\"age\":22,\"sex\":\"男\",\"userName\":\"xiaoliang\"}]";
 *错误：jsonStr="[{'age':22,'sex':'男','userName':'xiaoliang'},{'age':22,'sex':'男','userName':'xiaoliang'}]";
 */
public class JackJson1 {
	private static ObjectMapper mapper=new ObjectMapper();
	public static void main(String[] args)throws Exception {
		//json1.json
		
		StringBuffer buff=new StringBuffer();
		
		buff.append("[");
			buff.append("{");
				buff.append("\"weixin\"").append(":").append("\"YFDSBUYI\"").append(",");
				buff.append("\"weibo\"").append(":").append("\"http://weibo.com/resourceljl\"").append(",");
				buff.append("\"qq\"").append(":").append("\"1302128216\"").append(",");
				buff.append("\"email\"").append(":").append("\"[email protected]\"").append(",");
				buff.append("\"address\"").append(":").append("\"广东省云浮市云城区闻莺路39号\"").append("");
			buff.append("}");
			buff.append(",");//第一个数组结尾
			buff.append("{");
				buff.append("\"weixin\"").append(":").append("\"YFDSBUYI\"").append(",");
				buff.append("\"weibo\"").append(":").append("\"http://weibo.com/resourceljl\"").append(",");
				buff.append("\"qq\"").append(":").append("\"1302128216\"").append(",");
				buff.append("\"email\"").append(":").append("\"[email protected]\"").append(",");
				buff.append("\"address\"").append(":").append("\"广东省云浮市云城区闻莺路39号\"").append("");
			buff.append("}");
		buff.append("]");
		
		String  jsonStr=buff.toString();
		
		System.out.println(jsonStr);
		//jsonStr=mapper.writeValueAsString(jsonStr);
		//创建一个JsonFactory对象
		JsonFactory factory=new JsonFactory();
		//使用JsonParser处理json字符串
		JsonParser parser=factory.createJsonParser(jsonStr);
		//进行下一个json节点处理
		parser.nextToken();
		while (parser.nextToken()==JsonToken.START_OBJECT) {
			About a=mapper.readValue(parser, About.class);
			System.out.println(a.getAddress());
			
		}
		
	}
}
 
  
 
  
 
  
 
  
package ivyy.taobao.com.entity;

import java.io.Serializable;

/**
 *@Author:liangjilong
 *@Date:2015-1-5
 *@Version:1.0
 *@Description:
 */
public class About implements Serializable {

	private String weixin;
	private String weibo;
	private String email;
	private String qq;
	private String address;
	
	
	public String getWeixin() {
		return weixin;
	}
	public void setWeixin(String weixin) {
		this.weixin = weixin;
	}
	public String getWeibo() {
		return weibo;
	}
	public void setWeibo(String weibo) {
		this.weibo = weibo;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public String getQq() {
		return qq;
	}
	public void setQq(String qq) {
		this.qq = qq;
	}
	public String getAddress() {
		return address;
	}
	public void setAddress(String address) {
		this.address = address;
	}
}