我的第一个Servlet程序
package com.lbl;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/Demo01")
public class Demo01Servlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println("doPost");
//解决中文乱码问题
request.setCharacterEncoding("utf-8");
String password = request.getParameter("password");
String username = request.getParameter("username");
System.out.println(username);
System.out.println(password);
response.getWriter().println("success");
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request,response);
System.out.println("doGet");
}
}
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>$Title$</title>
</head>
<body>
<form method="post" action="/Day01/Demo01">
账号：<input name="username" type="text"><br>
密码：<input name="password" type="password"><br>
<input type="submit">
</form>
</body>
</html>
运行效果：
前端页面
提交后，显示成功！
后台接收到数据 ：
