httpservletresponse 获取body_获取请求体数据

最新推荐文章于 2025-04-11 17:35:50 发布

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最新推荐文章于 2025-04-11 17:35:50 发布

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文章标签： httpservletresponse 获取body

本文链接：https://blog.youkuaiyun.com/weixin_34377037/article/details/113078706

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本文详细探讨了如何在Servlet中获取POST请求的请求体数据，讲解了HTTPServletResponse在处理请求过程中的作用，并提供了实例代码帮助理解。

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将一些获取请求体数据，请求体数据post请求的时候才有

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>注册页面</title>
</head>
<body>
	<form action="requestDemo6" method="post">
		<input type="text"   placeholder="请输入用户名" name="username"><br>
		<input type="text"  placeholder="请输入密码" name="password"><br>
		<input type="submit" value="注册">
	
	
	</form>

</body>
</html>

package cn.itcast.servlet.request;

import java.io.BufferedReader;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class RequestDemo6
 */
@WebServlet("/requestDemo6")
public class RequestDemo6 extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public RequestDemo6() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		//获取请求消息体(其实对应的就是请求参数)
		//1.获取字符流
		BufferedReader br = request.getReader();
		//2.读取数据
		String line=null;
		while((line=br.readLine())!=null) {
			System.out.println(line);
		}
		
	}

}

https://www.zhihu.com/video/1241418676949196800