SpringBoot3+Vue3实现登录注册功能

登录

页面Login.vue

F12 应用中会存储用户信息

image-20250304081910180.png

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<template>
  <div class="bg">
    <div style="width: 350px;background-color: #fff; /*opacity: 0.9;*/ border-radius: 5px; box-shadow: 0 0 10px rgba(0,0,0,0.1); padding: 40px 20px">
      <el-form ref="formRef" :model="data.form" :rules="data.rules">

        <div style="margin-bottom: 40px; text-align: center; font-weight: bold;font-size: 24px">欢 迎 登 录</div>
        <el-form-item prop="username">
          <el-input size="large" v-model="data.form.username" autocomplete="off" prefix-icon="User" placeholder="请输入账号" />
        </el-form-item>

        <el-form-item prop="password">
          <el-input size="large" show-password v-model="data.form.password" autocomplete="off" prefix-icon="Lock" placeholder="请输入密码"/>
        </el-form-item>

        <el-form-item prop="role">
          <el-select size="large" style="width: 100%" v-model="data.form.role">
            <el-option label="管理员" value="ADMIN"></el-option>
            <el-option label="普通用户" value="USER"></el-option>
          </el-select>
        </el-form-item>

        <div style="margin-bottom: 20px;">
          <el-button style="width: 100%" size="large" type="primary" @click="login">登 录</el-button>
        </div>

        <div style="text-align: right">
          还没有账号?请<a style="color: #1869e0" href="/register">注册</a>
        </div>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { reactive, ref } from "vue";
import { ElMessage } from "element-plus";
import axios from 'axios'; // ✅ 正确导入 axios
import router from "@/router/index.js";
import request from '@/utils/request'; // ✅ 从你的工具目录导入

const formRef = ref();
const data = reactive({
  form: {
    username: '',
    password: '',
    role: 'ADMIN'
  },
  rules: {
    username: [
      { required: true, message: '请输入账号', trigger: 'blur' },
      { min: 3, message: '账号最少3位', trigger: 'blur' }
    ],
    password: [
      { required: true, message: '请输入密码', trigger: 'blur' }
    ]
  }
});

const login = () => {
  formRef.value.validate((valid) => {
    if (valid) { // 验证通过才发送请求
      request.post('/login', data.form).then(res => {
        if (res.code === '200') {
          localStorage.setItem("code2025_user", JSON.stringify(res.data || {}));
          ElMessage.success('登录成功');
          router.push('/');
        } else {
          ElMessage.error(res.msg);
        }
      });
    } else {
      ElMessage.error('请检查输入是否合法');
      return false;
    }
  });
};

</script>

<style scoped> /*限定在当前的页面 在css中 //是非法的 */
.bg {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background-image: url("@/assets/imgs/登录.png");
  background-size: cover;
}

/* 修改背景颜色 */
.bg {
  background-color: #f17df0;
}

/* 修改表单区域的颜色 */
.bg div {
  background-color: #ffffff;
  color: #333333;
}
</style>

登录接口

controller

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@PostMapping("/login")
  public Result login(@RequestBody Account account){
      Account dbAccount = null;
      if("ADMIN".equals(account.getRole())) {
          dbAccount = adminService.login(account);
      }else if("USER".equals(account.getRole())){
          dbAccount = userService.login(account);
      }else{
          throw new CustomerException("非法请求");
      }
      return Result.success(dbAccount);
  }

service

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public Admin login(Admin admin) {
        Admin dbAdmin = adminMapper.selectByUsername(admin.getUsername());
        if(dbAdmin == null){
            throw new CustomerException("账号不存在");
        }
        // 验证账号密码是否正确
        if(!dbAdmin.getPassword().equals(admin.getPassword())){
            throw  new CustomerException("账号或密码错误");
        }
        return dbAdmin;
    }

退出登录

在Manager.vue哪里实现 退出登录哪里绑定logout

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<script setup>
import router from "@/router/index.js";

const logout = () => {
  localStorage.removeItem("code2025_user")
  location.href = '/login'
}

//检测缓存中有没有用户信息
let userStr = localStorage.getItem('code2025_user')
if(userStr) {
  let user = JSON.parse(userStr)
  if(!user.id){
    location.href = '/login'
  }
}else{
  location.href = '/login'
}
</script>

模仿管理员开发用户管理

数据库表user

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CREATE TABLE `user` (
  `id` int NOT NULL AUTO_INCREMENT COMMENT 'ID',
  `username` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '账号',
  `password` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '密码',
  `name` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '名称',
  `phone` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '手机',
  `email` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '邮箱',
   `role` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '角色',
  PRIMARY KEY (`id`),
  UNIQUE KEY `username_index` (`username`) USING BTREE COMMENT '账号\r\n'
) ENGINE=InnoDB AUTO_INCREMENT=20 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='用户信息';
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ALTER TABLE admin
MODIFY `role` VARCHAR(255) DEFAULT 'ADMIN' COMMENT '角色';

ALTER TABLE user
MODIFY `role` VARCHAR(255) DEFAULT 'USER' COMMENT '角色';

user相关接口

user管理页面

开发的过程就是复制admin相关的Entity,Controller,Service,Mapper,Mapper.xml,然后改名为Admin==> User即可

遇到"未找到接口"的问题

这是因为没有重启后台,重启即可,或者是接口没写

注册

页面Register.vue

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<template>
  <div class="bg">
    <div style="width: 350px;background-color: #fff; /*opacity: 0.9;*/ border-radius: 5px; box-shadow: 0 0 10px rgba(0,0,0,0.1); padding: 40px 20px">
      <el-form status-icon ref="formRef" :model="data.form" :rules="data.rules">

        <div style="margin-bottom: 40px; text-align: center; font-weight: bold;font-size: 24px">欢 迎 注 册</div>
        <el-form-item prop="username">
          <el-input size="large" v-model="data.form.username" autocomplete="off" prefix-icon="User" placeholder="请输入账号" />
        </el-form-item>

        <el-form-item prop="password">
          <el-input size="large" show-password v-model="data.form.password" autocomplete="off" prefix-icon="Lock" placeholder="请输入密码"/>
        </el-form-item>

        <el-form-item prop="confirmPassword">
          <el-input size="large" show-password v-model="data.form.confirmPassword" autocomplete="off" prefix-icon="Lock" placeholder="请再次确认密码"/>
        </el-form-item>

        <div style="margin-bottom: 20px;">
          <el-button style="width: 100%; background-color: #7eaedf;border-color: #7eaedf;" size="large" type="primary" @click="register">注 册</el-button>
        </div>

        <div style="text-align: right">
          已有账号?请<a style="color: #7eaedf" href="/login">登录</a>
        </div>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { reactive, ref } from "vue";
import { ElMessage } from "element-plus";
import axios from 'axios'; // ✅ 正确导入 axios
import router from "@/router/index.js";
import request from '@/utils/request'; // ✅ 从你的工具目录导入


const validatePass = (rule,value,callback) => {
  //value 表示用户输入的确认密码
  if(value!== data.form.password){
    callback(new Error('两次输入的密码不匹配!'))
  }else {
    callback()
  }
}

const formRef = ref();
const data = reactive({
  form: {
    username: '',
    password: ''
  },
  rules: {
    username: [
      { required: true, message: '请输入账号', trigger: 'blur' },
      { min: 3, message: '账号最少3位', trigger: 'blur' }
    ],
    password: [
      { required: true, message: '请输入密码', trigger: 'blur' }
    ],
    confirmPassword: [
      { required: true,message: '请再次确认密码',trigger:'blur' },
      { validator: validatePass,trigger: 'blur'}
    ]
  }
});




const register = () => {
  formRef.value.validate((valid) => {
    if (valid) { // 验证通过才发送请求
      request.post('/register', data.form).then(res => {
        if (res.code === '200') {
          ElMessage.success('注册成功成功');
          router.push('/login');
        } else {
          ElMessage.error(res.msg);
        }
      });
    } else {
      ElMessage.error('请检查输入是否合法');
      return false;
    }
  });
};

</script>

<style scoped>

.bg {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background-image: url("@/assets/imgs/注册.png");
  background-size: cover;
}

/* 修改背景颜色 */
.bg {
  background-color: #f17df0;
}

/* 修改表单区域的颜色 */
.bg div {
  background-color: #ffffff;
  color: #333333;
}

</style>

注册接口

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 @PostMapping("/register")
    public Result register(@RequestBody User user){
       userService.register(user);
        return Result.success();
    }


public void register(User user) {
        this.add(user);
    }

自定义的错误

不是系统的错误 不是代码的bug