21，vue3注册和登录案例

admin · 发表于昨天 18:04

vite.config.js
import { fileURLToPath, URL } from 'node:url'
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'

// https://vite.dev/config/
export default defineConfig({
  plugins: [
vue(),
vueDevTools(),
  ],
  resolve: {
alias: {
   '@': fileURLToPath(new URL('./src', import.meta.url))
},
  },
  server:{
proxy:{
   '/api':{//获取路径中包含了/api的请求
      target:'http://localhost:8080',//后台服务所在的源
      changeOrigin:true,//修改源
      rewrite

path)=>path.replace(/^\/api/,'')///api替换为''
   }
}
  }
})

login.vue
<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
//控制注册与登录表单的显示，默认显示注册
const isRegister = ref(false)
// 定义数据模型
const registerData = ref({
  username: '',
  password: '',
  repassword: ''
})
//校验密码的函数
const checkRePassword = (rule, value, callback) => {
if (value === '') {
      callback(new Error('请再次确认密码'))
} else if (value !== registerData.value.password) {
      callback(new Error('请确保两次输入的密码一样'))
} else {
      callback()  // 校验通过
}
}
//定义表单校验规则
const rules = {
username: [
      { required: true, message: '请输入用户名', trigger: 'blur' },
      { min: 5, max: 16, message: '长度为5~16位非空字符', trigger: 'blur' }
],
password: [
      { required: true, message: '请输入密码', trigger: 'blur' },
      { min: 5, max: 16, message: '长度为5~16位非空字符', trigger: 'blur' }
],
repassword: [
      { validator: checkRePassword, trigger: 'blur' }

}
//调用后台接口,完成注册
import { userRegisterService, userLoginService} from '@/api/user.js'
const register = async () => {
//registerData是一个响应式对象,如果要获取值,需要.value
let result = await userRegisterService(registerData.value);

/* if (result.code === 0) {
      //成功了
      alert(result.msg ? result.msg : '注册成功');
}else{
      //失败了
      alert('注册失败')
} */
//alert(result.msg ? result.msg : '注册成功');
ElMessage.success(result.msg ? result.msg : '注册成功')
}

//绑定数据,复用注册表单的数据模型
//表单数据校验
//登录函数

//定义函数,清空数据模型的数据
const clearRegisterData = ()=>{
registerData.value={
      username:'',
      password:'',
      rePassword:''
}
}
const login =async ()=>{
//调用接口,完成登录
let result =  await userLoginService(registerData.value);
//    console.log(result);
// if(result.code===0){
//    alert(result.msg? result.msg : '登录成功')
// }else{
//    alert('登录失败')
// }
//alert(result.msg? result.msg : '登录成功')
ElMessage.success(result.msg ? result.msg : '登录成功')
//把得到的token存储到pinia中
// tokenStore.setToken(result.data)
//跳转到首页路由完成跳转
// router.push('/')
}

</script>

<template>
<el-row class="login-page">
      <el-col :span="12" class="bg"></el-col>
      <el-col :span="6" :offset="3" class="form">
         
         <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
            <el-form-item>
                  <h1>注册</h1>
            </el-form-item>
            <el-form-item prop="username">
                  <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                  <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
            </el-form-item>
            <el-form-item prop="repassword">
                  <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码" v-model="registerData.repassword"></el-input>
            </el-form-item>
            
            <el-form-item>
                  <el-button class="button" type="primary" auto-insert-space @click="register">
                     注册
                  </el-button>
            </el-form-item>
            <el-form-item class="flex">
                  <el-link type="info" :underline="false" @click="isRegister = false">
                     ← 返回
                  </el-link>
            </el-form-item>
         </el-form>
         
         <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" :rules="rules">
            <el-form-item>
                  <h1>登录</h1>
            </el-form-item>
            <el-form-item prop="username">
                  <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                  <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
            </el-form-item>
            <el-form-item class="flex">
                  <div class="flex">
                     <el-checkbox>记住我</el-checkbox>
                     <el-link type="primary" :underline="false">忘记密码？</el-link>
                  </div>
            </el-form-item>
            
            <el-form-item>
                  <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
            </el-form-item>
            <el-form-item class="flex">
                  <el-link type="info" :underline="false" @click="isRegister = true;clearRegisterData()">
                     注册 →
                  </el-link>
            </el-form-item>
         </el-form>
      </el-col>
</el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
height: 100vh;
background-color: #fff;

.bg {
      background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
         url('@/assets/login_bg.jpg') no-repeat center / cover;
      border-radius: 0 20px 20px 0;
}

.form {
      display: flex;
      flex-direction: column;
      justify-content: center;
      user-select: none;

      .title {
         margin: 0 auto;
      }

      .button {
         width: 100%;
      }

      .flex {
         width: 100%;
         display: flex;
         justify-content: space-between;
      }
}
}
</style>

request.js
//定制请求的实例
//导入axios  npm install axios
import axios from 'axios';
import { ElMessage } from 'element-plus'
//定义一个变量,记录公共的前缀  ,  baseURL
// const baseURL = 'http://localhost:8080';
const baseURL = '/api';
const instance = axios.create({baseURL})

//添加响应拦截器
instance.interceptors.response.use(
result=>{
      //判断业务状态码
      if(result.data.code===0){
         return result.data;
      }
      //操作失败
      // alert(result.data.msg?result.data.msg:'服务异常')
      ElMessage.error(result.data.msg?result.data.msg:'服务异常')
      //异步操作的状态转换为失败
      return Promise.reject(result.data)
},
err=>{
      alert('服务异常');
      return Promise.reject(err);//异步的状态转化成失败的状态
}
)

export default instance;

main.js
import './assets/main.scss'

import { createApp } from 'vue'
import App from './App.vue'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import locale from 'element-plus/dist/locale/zh-cn.js'

const app = createApp(App);
app.use(ElementPlus,{locale});
app.mount('#app')

user.js

//导入request.js请求工具
import request from '@/utils/request.js'

//提供调用注册接口的函数
export const userRegisterService = (registerData)=>{
//借助于UrlSearchParams完成传递
const params = new URLSearchParams()
for(let key in registerData){
      params.append(key,registerData[key]);
}
return request.post('/user/register',params);
}

//提供调用登录接口的函数
export const userLoginService = (loginData)=>{
const params = new URLSearchParams();
for(let key in loginData){
      params.append(key,loginData[key])
}
return request.post('/user/login',params)
}

//获取用户详细信息
export const userInfoService = ()=>{
return request.get('/user/userInfo')
}

//修改个人信息
export const userInfoUpdateService = (userInfoData)=>{
return request.put('/user/update',userInfoData)
}

//修改头像
export const userAvatarUpdateService = (avatarUrl)=>{
const params = new URLSearchParams();
params.append('avatarUrl',avatarUrl)
return request.patch('/user/updateAvatar',params)
}

		自动登录	找回密码
密码			立即注册