android 解析Json格式的数据（一）

1. 解析 [{\"id\":1,\"name\":\"kang\"},{\"id\":2,\"name\":\"zhang\"}]  此种格式的Json数据
package com.sunplus.app.util;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONObject;
/**
 * @author kanglb (http://blog.youkuaiyun.com/nmsoftklb) created :2013-4-17 
 *      
*/
public class ConnInternet {
    public static String getInputStream() {
        String path = "http://172.20.223.143:8080/run/json/demo.jsp";
        String temp = null;
        try {
            URL url = new URL(path); // 实例化一个URL对象
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();// 使用url的openConnection()方法打开一个链接
            conn.setConnectTimeout(1000 * 5);// 设置连接超时时间
            conn.setRequestMethod("GET"); // 设置请求方式
            if (conn.getResponseCode() == 200) {
                byte[] buffer = new byte[1024];
                int len = conn.getInputStream().read(buffer);
                if (len > 0) {
                    temp = new String(buffer, 0, len);
                    List<Map<String, Object>> all = parseJson(temp);
                    for (Map<String, Object> list : all) {
                        android.util.Log.d("mark", "id=" + list.get("id") + "name=" + list.get("name")); //测试输出
                    }
                     return temp;
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
     //
    private  List<Map<String, Object>> parseJson(String data) {
        List<Map<String, Object>> all = new ArrayList<Map<String, Object>>();
        try {
            JSONArray array = new JSONArray(data);
            for (int i = 0; i < array.length(); i++) {
                Map<String, Object> map = new HashMap<String, Object>();
                JSONObject item = array.getJSONObject(i);
                map.put("id", item.getInt("id"));
                map.put("name", item.getString("name"));
                all.add(map);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return all;
    }
}