cy_web/src/views/login.vue

<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">后台管理系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="请输入账号"
          @keyup.enter.native="changeBranchList"
          @blur="changeBranchList"
        >
          <span
            class="item-label"
            slot="prefix"
          >账号</span>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="请输入密码"
          @keyup.enter.native="handleLogin"
        >
          <span
            class="item-label"
            slot="prefix"
          >密码</span>
        </el-input>
      </el-form-item>
      <el-form-item
        v-if="branchShow"
        :rules="validateType"
      >
        <el-select
          placeholder="请选择仓库"
          v-model="loginForm.branchId"
          style="width: 100%"
          clearable
        >
          <span
            class="item-label"
            slot="prefix"
          >仓库</span>
          <el-option
            v-for="(item, index) in branchList"
            :key="index"
            :label="item.branchName"
            :value="item.id"
          ></el-option>
        </el-select>
      </el-form-item>
      <!-- <el-form-item prop="code" v-if="captchaOnOff">
        <el-input v-model="loginForm.code" auto-complete="off" placeholder="请输入验证码" style="width: 63%"
          @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item> -->
      <!-- <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox> -->
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div
          style="float: right"
          v-if="register"
        >
          <router-link
            class="link-type"
            :to="'/register'"
          >立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>2022</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from '@/api/login'
import { optionBranchByUserName } from '@/api/system/branch'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: 'Login',
  data() {
    return {
      branchList: [], // 仓库列表
      branchShow: true, // 是否展示仓库选择
      codeUrl: '',
      loginForm: {
        username: '',
        password: '',
        branchId: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
        password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
        code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: true,
      // 注册开关
      register: false,
      redirect: undefined,
      roleType: ''
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  computed: {
    validateType() {
      return this.roleType === 4 ? [{ required: true, message: '请选择仓库', trigger: 'change' }] : []
    }
  },
  created() {
    this.getCode()
    this.getCookie()
    this.changeBranchList()
  },
  methods: {
    // 登陆时根据输入的用户名获取仓库选择框列表
    changeBranchList() {
      if (this.loginForm.username) {
        optionBranchByUserName(this.loginForm.username).then((res) => {
          if (res.code === 200) {
            this.roleType = res.data.status
            switch (res.data.status) {
              case 1:
                this.branchShow = false
                break
              case 2:
                this.branchShow = true
                this.loginForm.branchId = ''
                this.branchList = []
                break
              case 3:
                this.branchShow = true
                this.branchList = res.data.baseBranchs
                break
              case 4:
                this.branchShow = true
                this.branchList = res.data.baseBranchs
                break

              default:
                this.branchShow = false
                break
            }
          }
        })
      }
    },
    getCode() {
      getCodeImg().then((res) => {
        this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff
        if (this.captchaOnOff) {
          this.codeUrl = 'data:image/gif;base64,' + res.img
          this.loginForm.uuid = res.uuid
        }
      })
    },
    getCookie() {
      const username = Cookies.get('username')
      const password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('username', this.loginForm.username, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), {
              expires: 30
            })
            Cookies.set('rememberMe', this.loginForm.rememberMe, {
              expires: 30
            })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store
            .dispatch('Login', this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || '/' }).catch(() => {})
            })
            .catch(() => {
              this.loading = false
              if (this.captchaOnOff) {
                this.getCode()
              }
            })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url('../assets/images/login-background.jpg');
  background-size: cover;
  background-color: rgba(0, 110, 255, 0.0980392156862745);
  // filter:blur(1px)
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input--prefix .el-input__inner {
    padding-left: 50px;
  }

  .item-label {
    color: $text-color-common;
    font-size: $font-size-common;
    line-height: 38px;
    margin-left: 10px;
  }

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 17px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>