測試一個頁面輸入的返回值-优快云博客

本文链接：https://blog.youkuaiyun.com/beihangyjs/article/details/5564239

本文提供了一个使用Java实现POST请求的具体示例代码。通过该示例，读者可以了解到如何设置HTTP请求头、发送参数以及读取服务器响应。示例中详细展示了创建URL连接、设置请求属性、发送POST数据并获取响应的过程。

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package com; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.URL; import java.net.URLConnection; public class TestGetPost { public static String sendPost(String url,String param) { PrintWriter out=null; BufferedReader in=null; String result =""; try{ URL realUrl = new URL(url); URLConnection conn=realUrl.openConnection(); conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); conn.setDoOutput(true); conn.setDoInput(true); out= new PrintWriter(conn.getOutputStream()); out.print(param); out.flush(); in = new BufferedReader(new InputStreamReader(conn.getInputStream()) ); String line; while ((line = in.readLine())!=null) { result +="/n"+line; } } catch(Exception e){ System.out.println("祇癳钵盽"+e); e.printStackTrace(); } finally{ try{ if(out !=null){ out.close(); } if(in !=null){ in.close(); } } catch(IOException e){ e.printStackTrace(); } } return result; } public static void main(String[] args) { String s = TestGetPost.sendPost("呼", "user_id=F3633875&user_pass=F3633875"); System.out.println(s); } }