前端注册登录

前端注册登录

设计

1. 登录，注册，都写成组件 $⇢$ 在任意页面中，都能点击显示登录模态框
2. 写好的组件，应该放在那个组件中 $⇢$ 不是页面组件(小组件)
3. 击登录按钮，把Login.vue 通过定位，占满全屏，透明度设为 0.5 ,纯黑色悲剧，覆盖在组件上
4. 在Login.vue点关闭，要把Login.vue隐藏起来，父子通信之子传父，自定义事件

Header组件

<template>
  <div class="header">
    <div class="slogan">
      <p>老男孩IT教育 | 帮助有志向的年轻人通过努力学习获得体面的工作和生活p>
    div>
    <div class="nav">
      <ul class="left-part">
        <li class="logo">
          <router-link to="/">
            <img src="../assets/img/head-logo.svg" alt="">
          router-link>
        li>
        <li class="ele">
          <span @click="goPage('/free-course')" :class="{active: url_path === '/free-course'}">免费课span>
        li>
        <li class="ele">
          <span @click="goPage('/actual-course')" :class="{active: url_path === '/actual-course'}">实战课span>
        li>
        <li class="ele">
          <span @click="goPage('/light-course')" :class="{active: url_path === '/light-course'}">轻课span>
        li>
      ul>

      <div class="right-part">
        <div v-if="!username">
          <span @click="handleLogin">登录span>
          <span class="line">|span>
          <span @click="handleRegister">注册span>
        div>
        <div v-else>
          <span>{{ username }}span>
          <span class="line">|span>
          <span @click="logOut">注销span>
        div>
      div>
      <Login v-if="loginShow" @close="handleClose" @success="success_login" @go="go_register">Login>
      <Register v-if="registerShow" @close="handleRegisterClose" @success="success_register"
                @go="success_register">Register>
    div>
  div>

template>
<script>
import Login from "@/components/Login.vue";
import Register from "@/components/Register.vue";

export default {
  name: "Header",
  data() {
    return {
      url_path: sessionStorage.url_path || '/',
      loginShow: false,
      registerShow: false,
      username: '',
      token: ''
    }
  },
  methods: {
    handleRegister() {
      this.registerShow = true
    },
    handleRegisterClose() {
      this.registerShow = false
    },
    success_register() {
      this.registerShow = false
      this.loginShow = true
    },
    go_register() {
      this.registerShow = true
      this.loginShow = false
    },
    logOut() {
      this.username = ''
      this.token = ''
      this.$cookies.remove('username')
      this.$cookies.remove('token')
    },
    goPage(url_path) {
      // 已经是当前路由就没有必要重新跳转
      if (this.url_path !== url_path) {
        this.$router.push(url_path);
      }
      sessionStorage.url_path = url_path;
    },
    handleLogin() {
      this.loginShow = true
    },
    handleClose() {
      this.loginShow = false

    },
    success_login(data) {
      this.loginShow = false;  // 模态框消耗
      this.username = data.username;
      this.token = data.token;
    }
  },
  created() {
    sessionStorage.url_path = this.$route.path;
    this.url_path = this.$route.path;
    this.username = this.$cookies.get('username')
  },
  components: {
    Register,
    Login
  }
}
script>


<style scoped>
.header {
  background-color: white;
  box-shadow: 0 0 5px 0 #aaa;
}

.header:after {
  content: "";
  display: block;
  clear: both;
}

.slogan {
  background-color: #eee;
  height: 40px;
}

.slogan p {
  width: 1200px;
  margin: 0 auto;
  color: #aaa;
  font-size: 13px;
  line-height: 40px;
}

.nav {
  background-color: white;
  user-select: none;
  width: 1200px;
  margin: 0 auto;

}

.nav ul {
  padding: 15px 0;
  float: left;
}

.nav ul:after {
  clear: both;
  content: '';
  display: block;
}

.nav ul li {
  float: left;
}

.logo {
  margin-right: 20px;
}

.ele {
  margin: 0 20px;
}

.ele span {
  display: block;
  font: 15px/36px '微软雅黑';
  border-bottom: 2px solid transparent;
  cursor: pointer;
}

.ele span:hover {
  border-bottom-color: orange;
}

.ele span.active {
  color: orange;
  border-bottom-color: orange;
}

.right-part {
  float: right;
}

.right-part .line {
  margin: 0 10px;
}

.right-part span {
  line-height: 68px;
  cursor: pointer;
}
style>

Login组件

<template>
  <div class="login">
    <div class="box">
      <i class="el-icon-close" @click="close_login">i>
      <div class="content">
        <div class="nav">
          <span :class="{active: login_method === 'is_pwd'}" @click="change_login_method('is_pwd')">密码登录span>
          <span :class="{active: login_method === 'is_sms'}" @click="change_login_method('is_sms')">短信登录span>
        div>

        <el-form v-if="login_method === 'is_pwd'">
          <el-input
              placeholder="用户名/手机号/邮箱"
              prefix-icon="el-icon-user"
              v-model="username"
              clearable>
          el-input>
          <el-input
              placeholder="密码"
              prefix-icon="el-icon-key"
              v-model="password"
              clearable
              show-password>
          el-input>
          <el-button type="primary" @click="login">登录el-button>
        el-form>

        <el-form v-if="login_method === 'is_sms'">
          <el-input
              placeholder="手机号"
              prefix-icon="el-icon-phone-outline"
              v-model="mobile"
              clearable
              @blur="check_mobile">
          el-input>
          <el-input
              placeholder="验证码"
              prefix-icon="el-icon-chat-line-round"
              v-model="sms"
              clearable>
            <template slot="append">
              <span class="sms" @click="send_sms">{{ sms_interval }}span>
            template>
          el-input>
          <el-button @click="mobile_login" type="primary">登录el-button>
        el-form>

        <div class="foot">
          <span @click="go_register">立即注册span>
        div>
      div>
    div>
  div>
template>

<script>
export default {
  name: "Login",
  data() {
    return {
      username: '',
      password: '',
      mobile: '',
      sms: '',  // 验证码
      login_method: 'is_pwd',
      sms_interval: '获取验证码',
      is_send: false,
    }
  },
  methods: {
    close_login() {
      this.$emit('close')
    },
    go_register() {
      this.$emit('go')
    },
    change_login_method(method) {
      this.login_method = method;
    },
    check_mobile() {
      if (!this.mobile) return;
      // js正则：/正则语法/
      // '字符串'.match(/正则语法/)
      if (!this.mobile.match(/^1[3-9][0-9]{9}$/)) {
        this.$message({
          message: '手机号有误',
          type: 'warning',
          duration: 1000,
          onClose: () => {
            this.mobile = '';
          }
        });
        return false;
      }
      // 后台校验手机号是否已存在
      this.$axios({
        url: this.$settings.BASE_URL + 'user/mobile/check_mobile/?mobile=' + this.mobile,
        method: 'get',
      }).then(response => {
        if (response.data.code == 100) {
          this.$message({
            message: '账号正常,可以发送短信',
            type: 'success',
            duration: 1000,
          });
          // 发生验证码按钮才可以被点击
          this.is_send = true;
        } else {
          this.$message({
            message: '账号不存在',
            type: 'warning',
            duration: 1000,
            onClose: () => {
              this.mobile = '';
            }
          })
        }
      }).catch(() => {
      });
    },
    send_sms() {
      // this.is_send必须允许发生验证码，才可以往下执行逻辑
      if (!this.is_send) return;
      // 按钮点一次立即禁用
      this.is_send = false;

      let sms_interval_time = 60;
      this.sms_interval = "发送中...";

      // 定时器: setInterval(fn, time, args)
      // 往后台发送验证码
      this.$axios({
        url: this.$settings.BASE_URL + 'user/mobile/send_sms/',
        method: 'post',
        data: {
          mobile: this.mobile
        }
      }).then(response => {
        if (response.data.code == 100) { // 发送成功
          let timer = setInterval(() => {
            if (sms_interval_time <= 1) {
              clearInterval(timer);
              this.sms_interval = "获取验证码";
              this.is_send = true; // 重新回复点击发送功能的条件
            } else {
              sms_interval_time -= 1;
              this.sms_interval = `${sms_interval_time}秒后再发`;
            }
          }, 1000);
        } else {  // 发送失败
          this.sms_interval = "重新获取";
          this.is_send = true;
          this.$message({
            message: '短信发送失败',
            type: 'warning',
            duration: 3000
          });
        }
      }).catch(() => {
        this.sms_interval = "频率过快";
        this.is_send = true;
      })


    },
    login() {
      if (!(this.username && this.password)) {
        this.$message({
          message: '请填好账号密码',
          type: 'warning',
          duration: 1500
        });
        return false  // 直接结束逻辑
      }

      this.$axios({
        url: this.$settings.BASE_URL + 'user/login/mul_login/',
        method: 'post',
        data: {
          username: this.username,
          password: this.password,
        }
      }).then(response => {
        let username = response.data.username;
        let token = response.data.token;
        this.$cookies.set('username', username, '7d');
        this.$cookies.set('token', token, '7d');
        this.$emit('success', response.data);
      }).catch(error => {
        console.log(error.response.data)
      })
    },
    mobile_login() {
      if (!(this.mobile && this.sms)) {
        this.$message({
          message: '请填好手机与验证码',
          type: 'warning',
          duration: 1500
        });
        return false  // 直接结束逻辑
      }

      this.$axios({
        url: this.$settings.BASE_URL + 'user/login/sms_login/',
        method: 'post',
        data: {
          mobile: this.mobile,
          code: this.sms,
        }
      }).then(response => {
        if (response.data.code == 100) {
          let username = response.data.username;
          let token = response.data.token;
          this.$cookies.set('username', username, '7d');
          this.$cookies.set('token', token, '7d');
          this.$emit('success', response.data);
        } else {
          this.$message({
            message: '登录失败',
            type: 'warning',
            duration: 1500
          });
        }

      }).catch(error => {
        console.log(error.response.data)
      })
    }
  }
}
script>

<style scoped>
.login {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.5);
}

.box {
  width: 400px;
  height: 420px;
  background-color: white;
  border-radius: 10px;
  position: relative;
  top: calc(50vh - 210px);
  left: calc(50vw - 200px);
}

.el-icon-close {
  position: absolute;
  font-weight: bold;
  font-size: 20px;
  top: 10px;
  right: 10px;
  cursor: pointer;
}

.el-icon-close:hover {
  color: darkred;
}

.content {
  position: absolute;
  top: 40px;
  width: 280px;
  left: 60px;
}

.nav {
  font-size: 20px;
  height: 38px;
  border-bottom: 2px solid darkgrey;
}

.nav > span {
  margin: 0 20px 0 35px;
  color: darkgrey;
  user-select: none;
  cursor: pointer;
  padding-bottom: 10px;
  border-bottom: 2px solid darkgrey;
}

.nav > span.active {
  color: black;
  border-bottom: 3px solid black;
  padding-bottom: 9px;
}

.el-input, .el-button {
  margin-top: 40px;
}

.el-button {
  width: 100%;
  font-size: 18px;
}

.foot > span {
  float: right;
  margin-top: 20px;
  color: orange;
  cursor: pointer;
}

.sms {
  color: orange;
  cursor: pointer;
  display: inline-block;
  width: 70px;
  text-align: center;
  user-select: none;
}
style>

## Register注册组件

<template>
  <div class="register">
    <div class="box">
      <i class="el-icon-close" @click="close_register">i>
      <div class="content">
        <div class="nav">
          <span class="active">新用户注册span>
        div>
        <el-form>
          <el-input
              placeholder="手机号"
              prefix-icon="el-icon-phone-outline"
              v-model="mobile"
              clearable
              @blur="check_mobile">
          el-input>
          <el-input
              placeholder="密码"
              prefix-icon="el-icon-key"
              v-model="password"
              clearable
              show-password>
          el-input>
          <el-input
              placeholder="验证码"
              prefix-icon="el-icon-chat-line-round"
              v-model="sms"
              clearable>
            <template slot="append">
              <span class="sms" @click="send_sms">{{ sms_interval }}span>
            template>
          el-input>
          <el-button @click="register" type="primary">注册el-button>
        el-form>
        <div class="foot">
          <span @click="go_login">立即登录span>
        div>
      div>
    div>
  div>
template>

<script>
export default {
  name: "Register",
  data() {
    return {
      mobile: '',
      password: '',
      sms: '',
      sms_interval: '获取验证码',
      is_send: false,
    }
  },
  methods: {
    close_register() {
      this.$emit('close', false)
    },
    go_login() {
      this.$emit('go')
    },
    check_mobile() {
      if (!this.mobile) return;
      // js正则：/正则语法/
      // '字符串'.match(/正则语法/)
      if (!this.mobile.match(/^1[3-9][0-9]{9}$/)) {
        this.$message({
          message: '手机号有误',
          type: 'warning',
          duration: 1000,
          onClose: () => {
            this.mobile = '';
          }
        });
        return false;
      }
      // 后台校验手机号是否已存在
      this.$axios({
        url: this.$settings.BASE_URL + 'user/mobile/check_mobile/?mobile='+this.mobile,
        method: 'get',
      }).then(response => {
        if (response.data.code!=100) {
          this.$message({
            message: '欢迎注册我们的平台',
            type: 'success',
            duration: 1500,
          });
          // 发生验证码按钮才可以被点击
          this.is_send = true;
        } else {
          this.$message({
            message: '账号已存在，请直接登录',
            type: 'warning',
            duration: 1500,
          })
        }
      }).catch(() => {
      });
    },
    send_sms() {
      // this.is_send必须允许发生验证码，才可以往下执行逻辑
      if (!this.is_send) return;
      // 按钮点一次立即禁用
      this.is_send = false;

      let sms_interval_time = 60;
      this.sms_interval = "发送中...";

      // 定时器: setInterval(fn, time, args)

      // 往后台发送验证码
      this.$axios({
        url: this.$settings.BASE_URL + 'user/mobile/send_sms/',
        method: 'post',
        data: {
          mobile: this.mobile
        }
      }).then(response => {
        if (response.data.code==100) { // 发送成功
          let timer = setInterval(() => {
            if (sms_interval_time <= 1) {
              clearInterval(timer);
              this.sms_interval = "获取验证码";
              this.is_send = true; // 重新回复点击发送功能的条件
            } else {
              sms_interval_time -= 1;
              this.sms_interval = `${sms_interval_time}秒后再发`;
            }
          }, 1000);
        } else {  // 发送失败
          this.sms_interval = "重新获取";
          this.is_send = true;
          this.$message({
            message: '短信发送失败',
            type: 'warning',
            duration: 3000
          });
        }
      }).catch(() => {
        this.sms_interval = "频率过快";
        this.is_send = true;
      })


    },
    register() {
      if (!(this.mobile && this.sms && this.password)) {
        this.$message({
          message: '请填好手机、密码与验证码',
          type: 'warning',
          duration: 1500
        });
        return false  // 直接结束逻辑
      }

      this.$axios({
        url: this.$settings.BASE_URL + 'user/register/register/',
        method: 'post',
        data: {
          mobile: this.mobile,
          code: this.sms,
          password: this.password
        }
      }).then(response => {
        this.$message({
          message: '注册成功，3秒跳转登录页面',
          type: 'success',
          duration: 3000,
          showClose: true,
          onClose: () => {
            // 去向成功页面
            this.$emit('success')
          }
        });
      }).catch(error => {
        this.$message({
          message: '注册失败，请重新注册',
          type: 'warning',
          duration: 1500,
          showClose: true,
          onClose: () => {
            // 清空所有输入框
            this.mobile = '';
            this.password = '';
            this.sms = '';
          }
        });
      })
    }
  }
}
script>

<style scoped>
.register {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.3);
}

.box {
  width: 400px;
  height: 480px;
  background-color: white;
  border-radius: 10px;
  position: relative;
  top: calc(50vh - 240px);
  left: calc(50vw - 200px);
}

.el-icon-close {
  position: absolute;
  font-weight: bold;
  font-size: 20px;
  top: 10px;
  right: 10px;
  cursor: pointer;
}

.el-icon-close:hover {
  color: darkred;
}

.content {
  position: absolute;
  top: 40px;
  width: 280px;
  left: 60px;
}

.nav {
  font-size: 20px;
  height: 38px;
  border-bottom: 2px solid darkgrey;
}

.nav > span {
  margin-left: 90px;
  color: darkgrey;
  user-select: none;
  cursor: pointer;
  padding-bottom: 10px;
  border-bottom: 2px solid darkgrey;
}

.nav > span.active {
  color: black;
  border-bottom: 3px solid black;
  padding-bottom: 9px;
}

.el-input, .el-button {
  margin-top: 40px;
}

.el-button {
  width: 100%;
  font-size: 18px;
}

.foot > span {
  float: right;
  margin-top: 20px;
  color: orange;
  cursor: pointer;
}

.sms {
  color: orange;
  cursor: pointer;
  display: inline-block;
  width: 70px;
  text-align: center;
  user-select: none;
}
style>