java----j2se访问url

最新推荐文章于 2024-10-10 07:48:27 发布

sdqdscy1994

最新推荐文章于 2024-10-10 07:48:27 发布

阅读量246

点赞数 1

分类专栏： java技术

本文链接：https://blog.youkuaiyun.com/scqdscy1994/article/details/54585627

版权

java技术专栏收录该内容

2 篇文章

订阅专栏

本文介绍了一个用于调用Indosat AM Asset Service接口的Java类示例，展示了如何通过HTTP请求发送参数并接收JSON格式的响应数据。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package interfaces.indosatInterface.util;


import interfaces.pdainterface.indosat.pojo.ChildRegion;
import interfaces.pdainterface.indosat.pojo.Region;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

public class ConnIndosat {
	public static void main(String[] args) {
		String url = "http://10.110.2.190:9009/IndosatAM/AssetService?LocationQuery.Interface";
		String parameter = "jsonRequest={'dept_id':'1755'}";
		ConnIndosat.HttpRequest(url, parameter, ChildRegion.class);
		//System.out.println(json);
		
	}

	public static JSONObject HttpRequest(String request , String RequestMethod , String output ){
		@SuppressWarnings("unused")
		JSONObject jsonObject = null;
		StringBuffer buffer = new StringBuffer();
		try {
			//建立连接
			URL url = new URL(request);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
			connection.setDoOutput(true);
			connection.setDoInput(true);
			connection.setUseCaches(false);
			connection.setRequestMethod(RequestMethod);
			if(output!=null){
				OutputStream out = connection.getOutputStream();
				out.write(output.getBytes("UTF-8"));
				out.close();
			}
			//流处理
			InputStream input = connection.getInputStream();
			InputStreamReader inputReader = new InputStreamReader(input,"UTF-8");
			BufferedReader reader = new BufferedReader(inputReader);
			String line;
			while((line=reader.readLine())!=null){
				buffer.append(line);
			}
			//关闭连接、释放资源
			reader.close();
			inputReader.close();
			input.close();
			input = null;
			connection.disconnect();
			
			
			String json = buffer.toString();
			if (buffer.toString().startsWith("[") && buffer.toString().endsWith("]")) {
				json = "{"+buffer.toString().substring(1, buffer.toString().length()-1)+"}";
			}
			System.out.println(json);
			jsonObject = JSONObject.fromObject(json);
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		return jsonObject;
	} 
	
	/**
	 * 
	 * @param request   请求地址
	 * @param output    请求参数
	 * @param c         List中存储对象类型
	 * @return
	 */
	public static List HttpRequest(String request, String output, Class c){
		@SuppressWarnings("unused")
		JSONObject jsonObject = null;
		List regionList = null;
		
		StringBuffer buffer = new StringBuffer();
		try {
			//建立连接
			URL url = new URL(request);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
			connection.setDoOutput(true);
			connection.setDoInput(true);
			connection.setUseCaches(false);
			connection.setRequestMethod("POST");
			if(output!=null){
				OutputStream out = connection.getOutputStream();
				out.write(output.getBytes("UTF-8"));
				out.close();
			}
			//流处理
			InputStream input = connection.getInputStream();
			InputStreamReader inputReader = new InputStreamReader(input,"UTF-8");
			BufferedReader reader = new BufferedReader(inputReader);
			String line;
			while((line=reader.readLine())!=null){
				buffer.append(line);
			}
			//关闭连接、释放资源
			reader.close();
			inputReader.close();
			input.close();
			input = null;
			connection.disconnect();
			
			String json = buffer.toString();
			System.out.println("json"+json);
			if (buffer.toString().startsWith("[") && buffer.toString().endsWith("]")) {
				json = "{"+buffer.toString().substring(1, buffer.toString().length()-1)+"}";
			}
			jsonObject = JSONObject.fromObject(json);
			
			JSONArray list = (JSONArray) jsonObject.get("info");
			regionList = JSONArray.toList(list, c);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return regionList;
	} 
}