登录页 首页开发思路

• 创建Sprintboot项目
  • 选择依赖
    • springboot boot dev tools 实时编译
    • lombok 简化编译
    • Spring Configuration Processor 自定义配置有提示
    • Spring-web web项目
    • Thymeleaf 页面渲染
    • SQL相关

登录页面 login

    
    
    



    

        密码登录
    

    

        请输入登录账户和密码
    

    

        
        

            
            
            

                
            

            

                
            
        

        
        

            登录
        

        

            
忘记密码 ?

            
注册账户
        
    

body{
    background: #353f42;
}

*{
    padding: 0;
    margin: 0;
}

.main {
    margin: 0 auto;
    padding-left: 25px;
    padding-right: 25px;
    padding-top: 15px;
    width: 350px;
    height: 350px;
    background: #FFFFFF;
    /*以下css用于让登录表单垂直居中在界面,可删除*/
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -175px;
    margin-left: -175px;
}

.title {
    width: 100%;
    height: 40px;
    line-height: 40px;
}

.title span {
    font-size: 18px;
    color: #353f42;
}

.title-msg {
    width: 100%;
    height: 64px;
    line-height: 64px;
}

.title:hover{
    cursor: default	;
}

.title-msg:hover{
    cursor: default	;
}

.title-msg span {
    font-size: 12px;
    color: #707472;
}

.input-content {
    width: 100%;
    height: 120px;
}

.input-content input {
    width: 330px;
    height: 40px;
    border: 1px solid #dad9d6;
    background: #ffffff;
    padding-left: 10px;
    padding-right: 10px;
}

.enter-btn {
    width: 350px;
    height: 40px;
    color: #fff;
    background: #0bc5de;
    line-height: 40px;
    text-align: center;
    border: 0px;
}

.foor{
    width: 100%;
    height: auto;
    color: #9b9c98;
    font-size: 12px;
    margin-top: 20px;
}

.enter-btn:hover {
    cursor:pointer;
    background: #1db5c9;
}

.foor div:hover {
    cursor:pointer;
    color: #484847;
    font-weight: 600;
}

.left{
    float: left;
}
.right{
    float: right;
}

    
    


 主页

package com.admin.bean;

import lombok.Data;

@Data
public class User {
    private String userName;
    private String password;
}

package com.admin.controller;

import com.admin.bean.User;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;

import javax.servlet.http.HttpSession;

@Controller
public class IndexController {

    @GetMapping({"/","/login"})
    public String loginPage(){
        return "login";
    }
    @PostMapping("/login")
    public String indexPage(User user, HttpSession session, Model model){
        if(user!=null&&user.getPassword()!=null&&user.getUserName()!=null&&"123456".equals(user.getPassword())){
            //把登录成功的用户保存起来
            session.setAttribute("loginUser",user);
            //登录成功重定向页面；防止表单重复提交
            return "redirect:/index.html";
        }else {
            model.addAttribute("msg","账号密码错误");
            return "login";
        }


    }
    @GetMapping("/index.html")
    public String mainPage(){


        return "index";
    }
}