用户登录界面
新建project
ctrl+shift+alt+s弹出Project Structure
在web-WEB-INF下New Folder两个文件夹classes，lib设置输入输出path
选择1.jars or directories 2.library，Apply应用运行tomcat
在index.jsp的同级目录下新建login.jsp 、login.css
输入网址http://localhost:8080/testproject_war_exploded/login.jsp
成功
代码
login.jsp代码
<%--
Created by IntelliJ IDEA.
User: user
Date: 2021/7/11
Time: 14:23
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Login</title>
<link rel="stylesheet" type="text/css" href="login.css">
</head>
<body>
<div id="login">
<h1>Login</h1>
<form method="post">
<input type="text" required="required" placeholder="用户名" name="u"></input>
<input type="password" required="required" placeholder="密码" name="p"></input>
<button class="but" type="submit">登录</button>
</form>
</div>
</body>
</html>
login.css代码
html {
width: 100%;
height: 100%;
overflow: hidden;
font-style: normal;
}
body {
width: 100%;
height: 100%;
font-family: 'Open Sans', sans-serif;
margin: 0;
background-color: #4A374A;
}
#login {
position: absolute;
top: 50%;
left: 50%;
margin: -150px 0 0 -150px;
width: 300px;
height: 300px;
}
#login h1 {
color: #fff;
text-shadow: 0 0 10px;
letter-spacing: 1px;
text-align: center;
}
h1 {
font-size: 2em;
margin: 0.67em 0;
}
input {
width: 278px;
height: 18px;
margin-bottom: 10px;
outline: none;
padding: 10px;
font-size: 13px;
color: #fff;
text-shadow: 1px 1px 1px;
border-top: 1px solid #312E3D;
border-left: 1px solid #312E3D;
border-right: 1px solid #312E3D;
border-bottom: 1px solid #56536A;
border-radius: 4px;
background-color: #2D2D3F;
}
.but {
width: 300px;
min-height: 20px;
display: block;
background-color: #4a77d4;
border: 1px solid #3762bc;
color: #fff;
padding: 9px 14px;
font-size: 15px;
line-height: normal;
border-radius: 5px;
margin: 0;
}