web大作业开发记录01

用户登录注册：
login.vue:

<template>
  <div class="login-container">
    <el-form :model="loginForm" :rules="loginRules" ref="loginFormRef" class="login-form">
      <h2 class="login-title">用户登录</h2>
      
      <el-form-item prop="studentId">
        <el-input v-model="loginForm.studentId" placeholder="学号" prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" placeholder="密码" prefix-icon="el-icon-lock"></el-input>
      </el-form-item>
      
      <el-form-item>
        <el-button type="primary" style="width: 100%" @click="handleLogin">登录</el-button>
      </el-form-item>
      
      <div class="register-link">
        <span @click="goToRegister">没有账号？立即注册</span>
      </div>
    </el-form>
  </div>
</template>

<script setup>
import { ref, reactive } from 'vue'
import { useRouter } from 'vue-router'
import { ElMessage } from 'element-plus'
import { login } from '@/api/user'

const router = useRouter()
const loginFormRef = ref(null)

const loginForm = reactive({
  studentId: '',
  password: ''
})

const loginRules = {
  studentId: [{ required: true, message: '请输入学号', trigger: 'blur' }],
  password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
}

const handleLogin = () => {
  loginFormRef.value.validate(async (valid) => {
    if (valid) {
      try {
        const res = await login(loginForm)
        if (res.code === 200) {
          localStorage.setItem('userInfo', JSON.stringify(res.data))
          ElMessage.success('登录成功')
          
          // 根据用户角色跳转
          if (res.data.studentId === 'root') {
            router.push('/admin')
          } else {
            router.push('/lender/home')
          }
        }
      } catch (error) {
        console.error(error)
      }
    }
  })
}

const goToRegister = () => {
  router.push('/register')
}
</script>

<style scoped>
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #f5f5f5;
}

.login-form {
  width: 400px;
  padding: 30px;
  background-color: white;
  border-radius: 5px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.login-title {
  text-align: center;
  margin-bottom: 30px;
  color: #409EFF;
}

.register-link {
  text-align: right;
  margin-top: 10px;
  font-size: 14px;
  color: #409EFF;
  cursor: pointer;
}
</style>

register.vue:

<template>
  <div class="register-container">
    <el-form :model="registerForm" :rules="registerRules" ref="registerFormRef" class="register-form">
      <h2 class="register-title">用户注册</h2>
      
      <el-form-item prop="studentId">
        <el-input v-model="registerForm.studentId" placeholder="学号" prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      
      <el-form-item prop="name">
        <el-input v-model="registerForm.name" placeholder="姓名" prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      
      <el-form-item prop="className">
        <el-input v-model="registerForm.className" placeholder="班级" prefix-icon="el-icon-office-building"></el-input>
      </el-form-item>
      
      <el-form-item prop="phoneNumber">
        <el-input v-model="registerForm.phoneNumber" placeholder="手机号" prefix-icon="el-icon-phone"></el-input>
      </el-form-item>
      
      <el-form-item prop="gender">
        <el-radio-group v-model="registerForm.gender">
          <el-radio label="男">男</el-radio>
          <el-radio label="女">女</el-radio>
        </el-radio-group>
      </el-form-item>
      
      <el-form-item prop="password">
        <el-input v-model="registerForm.password" type="password" placeholder="密码" prefix-icon="el-icon-lock"></el-input>
      </el-form-item>
      
      <el-form-item prop="confirmPassword">
        <el-input v-model="registerForm.confirmPassword" type="password" placeholder="确认密码" prefix-icon="el-icon-lock"></el-input>
      </el-form-item>
      
      <el-form-item>
        <el-button type="primary" style="width: 100%" @click="handleRegister">注册</el-button>
      </el-form-item>
      
      <div class="login-link">
        <span @click="goToLogin">已有账号？立即登录</span>
      </div>
    </el-form>
  </div>
</template>

<script setup>
import { ref, reactive } from 'vue'
import { useRouter } from 'vue-router'
import { ElMessage } from 'element-plus'
import { register } from '@/api/user'

const router = useRouter()
const registerFormRef = ref(null)

const registerForm = reactive({
  studentId: '',
  name: '',
  className: '',
  phoneNumber: '',
  gender: '男',
  password: '',
  confirmPassword: '',
  points: 0
})

// 自定义密码确认验证
const validateConfirmPassword = (rule, value, callback) => {
  if (value !== registerForm.password) {
    callback(new Error('两次输入的密码不一致'))
  } else {
    callback()
  }
}

// 手机号验证
const validatePhone = (rule, value, callback) => {
  const phoneRegex = /^1[3-9]\d{9}$/
  if (!phoneRegex.test(value)) {
    callback(new Error('请输入有效的手机号码'))
  } else {
    callback()
  }
}

const registerRules = {
  studentId: [{ required: true, message: '请输入学号', trigger: 'blur' }],
  name: [{ required: true, message: '请输入姓名', trigger: 'blur' }],
  className: [{ required: true, message: '请输入班级', trigger: 'blur' }],
  phoneNumber: [
    { required: true, message: '请输入手机号', trigger: 'blur' },
    { validator: validatePhone, trigger: 'blur' }
  ],
  gender: [{ required: true, message: '请选择性别', trigger: 'change' }],
  password: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    { min: 6, message: '密码长度不能少于6个字符', trigger: 'blur' }
  ],
  confirmPassword: [
    { required: true, message: '请确认密码', trigger: 'blur' },
    { validator: validateConfirmPassword, trigger: 'blur' }
  ]
}

const handleRegister = () => {
  registerFormRef.value.validate(async (valid) => {
    if (valid) {
      // 移除确认密码字段，后端不需要
      const { confirmPassword, ...userData } = registerForm
      
      try {
        const res = await register(userData)
        if (res.code === 200) {
          ElMessage.success('注册成功')
          router.push('/login')
        } else {
          ElMessage.error(res.msg || '注册失败')
        }
      } catch (error) {
        ElMessage.error('注册请求失败')
        console.error(error)
      }
    }
  })
}

const goToLogin = () => {
  router.push('/login')
}
</script>

<style scoped>
.register-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f5f5f5;
  padding: 20px 0;
}

.register-form {
  width: 400px;
  padding: 30px;
  background-color: white;
  border-radius: 5px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.register-title {
  text-align: center;
  margin-bottom: 30px;
  color: #409EFF;
}

.login-link {
  text-align: right;
  margin-top: 10px;
  font-size: 14px;
  color: #409EFF;
  cursor: pointer;
}
</style>

api:
user.js:

import request from '@/utils/request'

// 用户登录
export function login(data) {
  return request({
    url: '/users/login',
    method: 'post',
    data
  })
}

// 用户注册
export function register(data) {
  return request({
    url: '/users/register',
    method: 'post',
    data
  })
}

Users:

package com.example.demo.entity;

import com.baomidou.mybatisplus.annotation.TableId;
import lombok.Data;
import lombok.EqualsAndHashCode;
import io.swagger.annotations.ApiModel;
import java.io.Serializable;

@Data
@EqualsAndHashCode(callSuper = false)
@ApiModel(value="Users对象", description="")
public class Users implements Serializable {

    private static final long serialVersionUID = 1L;

    @TableId
    private String studentId;

    private String name;

    private String className;  // 新增字段

    private String phoneNumber;  // 新增字段

    private String password;

    private String gender;

    private Integer points;

    // getter 和 setter 方法
    public String getStudentId() {
        return studentId;
    }

    public void setStudentId(String studentId) {
        this.studentId = studentId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getClassName() {
        return className;
    }

    public void setClassName(String className) {
        this.className = className;
    }

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public Integer getPoints() {
        return points;
    }

    public void setPoints(Integer points) {
        this.points = points;
    }
}

UsersController:

package com.example.demo.controller;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.demo.common.Result;
import com.example.demo.entity.Users;
import com.example.demo.service.UsersService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Map;

@RestController
@RequestMapping("/users")
public class UsersController {

    @Autowired
    private UsersService usersService;

    @PostMapping("/login")
    public Result login(@RequestBody Users users) {
        return usersService.login(users);
    }

    @PostMapping("/register")
    public Result register(@RequestBody Users users) {
        return usersService.register(users);
    }

    @GetMapping("/{studentId}")
    public Result getById(@PathVariable String studentId) {
        Users user = usersService.getById(studentId);
        if (user != null) {
            // 不返回密码
            user.setPassword(null);
            return Result.success(user);
        }
        return Result.fail("用户不存在");
    }

    @PostMapping("/update")
    public Result update(@RequestBody Users users) {
        // 不允许更新密码，如需更新密码应该有专门的接口
        Users existingUser = usersService.getById(users.getStudentId());
        if (existingUser != null) {
            users.setPassword(existingUser.getPassword());
            users.setPoints(existingUser.getPoints()); // 不允许直接修改积分
            if (usersService.updateById(users)) {
                return Result.success();
            }
        }
        return Result.fail("更新失败");
    }

    @PostMapping("/updatePassword")
    public Result updatePassword(@RequestBody Map<String, String> params) {
        String studentId = params.get("studentId");
        String oldPassword = params.get("oldPassword");
        String newPassword = params.get("newPassword");
        
        if (studentId == null || oldPassword == null || newPassword == null) {
            return Result.fail("参数不完整");
        }
        
        return usersService.updatePassword(studentId, oldPassword, newPassword);
    }

    @PostMapping("/addPoints")
    public Result addPoints(@RequestBody Map<String, Object> params) {
        String studentId = (String) params.get("studentId");
        Integer points = (Integer) params.get("points");
        
        if (studentId == null || points == null) {
            return Result.fail("参数不完整");
        }
        
        return usersService.addPoints(studentId, points);
    }

    // 获取所有用户（除管理员外）
    @GetMapping("/list")
    public Result list() {
        QueryWrapper<Users> queryWrapper = new QueryWrapper<>();
        queryWrapper.ne("student_id", "root");  // 排除管理员
        return Result.success(usersService.list(queryWrapper));
    }
    
    // 添加用户
    @PostMapping("/add")
    public Result add(@RequestBody Users users) {
        // 检查用户是否已存在
        if (usersService.getById(users.getStudentId()) != null) {
            return Result.fail("该学号已存在");
        }
        
        // 设置默认积分
        if (users.getPoints() == null) {
            users.setPoints(0);
        }
        
        if (usersService.save(users)) {
            return Result.success();
        }
        return Result.fail("添加失败");
    }
    
    // 删除用户
    @DeleteMapping("/{studentId}")
    public Result delete(@PathVariable String studentId) {
        if (usersService.removeById(studentId)) {
            return Result.success();
        }
        return Result.fail("删除失败");
    }
}

UsersServiceImpl:

package com.example.demo.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.demo.common.Result;
import com.example.demo.entity.Users;
import com.example.demo.mapper.UsersMapper;
import com.example.demo.service.UsersService;
import org.springframework.stereotype.Service;

@Service
public class UsersServiceImpl extends ServiceImpl<UsersMapper, Users> implements UsersService {

    @Override
    public Result login(Users users) {
        if (users.getStudentId() == null || users.getPassword() == null) {
            return Result.fail("学号和密码不能为空");
        }
        
        QueryWrapper<Users> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("student_id", users.getStudentId());
        
        Users user = getOne(queryWrapper);
        if (user == null) {
            return Result.fail("用户不存在");
        }
        
        if (!user.getPassword().equals(users.getPassword())) {
            return Result.fail("密码错误");
        }
        
        // 登录成功，不返回密码
        user.setPassword(null);
        return Result.success(user);
    }

    @Override
    public Result register(Users users) {
        if (users.getStudentId() == null || users.getPassword() == null) {
            return Result.fail("学号和密码不能为空");
        }
        
        // 检查用户是否已存在
        QueryWrapper<Users> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("student_id", users.getStudentId());
        if (count(queryWrapper) > 0) {
            return Result.fail("该学号已被注册");
        }
        
        // 设置默认积分
        if (users.getPoints() == null) {
            users.setPoints(0);
        }
        
        if (save(users)) {
            return Result.success();
        }
        
        return Result.fail("注册失败");
    }

    @Override
    public Result updatePassword(String studentId, String oldPassword, String newPassword) {
        Users user = getById(studentId);
        if (user == null) {
            return Result.fail("用户不存在");
        }
        
        if (!user.getPassword().equals(oldPassword)) {
            return Result.fail("原密码错误");
        }
        
        user.setPassword(newPassword);
        if (updateById(user)) {
            return Result.success();
        }
        
        return Result.fail("密码更新失败");
    }

    @Override
    public Result addPoints(String studentId, Integer points) {
        Users user = getById(studentId);
        if (user == null) {
            return Result.fail("用户不存在");
        }
        
        user.setPoints(user.getPoints() + points);
        if (updateById(user)) {
            return Result.success();
        }
        
        return Result.fail("积分更新失败");
    }
}