meilan-app/src/pages/login.vue

<template>
  <home-container>
    <view class="normal-login-container">
      <view class="logo-content">
        <!-- <image style="width: 100rpx;height: 100rpx;" :src="globalConfig.appInfo.logo" mode="widthFix">
      </image> -->
        <text class="title" style="display: block;">您好，</text>
        <text class="title" style="display: block;">欢迎使用机场安检</text>

      </view>
      <view class="login-form-content">
        <view class="input-item flex align-center">
          <view class="iconfont icon-user icon"></view>
          <input v-model="loginForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
        </view>
        <view class="input-item flex align-center">
          <view class="iconfont icon-password icon"></view>
          <input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
        </view>
        <view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
          <view class="iconfont icon-code icon"></view>
          <input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
          <view class="login-code">
            <image v-if="codeUrl" :src="codeUrl" @click="getCode" class="login-code-img"></image>
            <view v-else class="refresh-btn" @click="getCode">
              <text class="iconfont icon-refresh refresh-icon"></text>
              <text class="refresh-text">点击刷新</text>
            </view>
          </view>
        </view>
        <view class="action-btn">
          <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
        </view>
        <view class="reg text-center" v-if="register">
          <text class="text-grey1">没有账号？</text>
          <text @click="handleUserRegister" class="text-blue">立即注册</text>
        </view>
        <view class="xieyi text-center">
          <text class="text-grey1">登录即代表同意</text>
          <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
          <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
        </view>
      </view>

    </view>
  </home-container>

</template>

<script>
import HomeContainer from "@/components/HomeContainer.vue";
import { bufferConverter } from '@/utils/handler'
import { getCodeImg } from '@/api/login'
import { getToken } from '@/utils/auth'
import { showMessageTabRedDot } from "@/utils/common.js"

export default {
  components: { HomeContainer },

  data() {
    return {
      codeUrl: "",
      captchaEnabled: true,
      // 用户注册开关
      register: false,
      globalConfig: getApp().globalData.config,
      loginForm: {
        username: "",
        password: "",
        code: "",
        uuid: ""
      }
    }
  },
  created() {
    this.getCode()
  },
  onLoad() {
    //#ifdef H5
    if (getToken()) {
      this.$tab.reLaunch('/pages/home-new/index')
    }
    this.getStorage()
    //#endif
  },
  methods: {
    getStorage() {
      let info = uni.getStorageSync('loginInfo')
      if (info) {
        info = bufferConverter.base64ToString(info)
        try {
          info = JSON.parse(info)
          this.loginForm.username = info.username
          this.loginForm.password = info.password
        } catch {
          this.loginForm.username = ''
          this.loginForm.password = ''
        }
      }
    },
    // 用户注册
    handleUserRegister() {
      this.$tab.redirectTo(`/pages/register`)
    },
    // 隐私协议
    handlePrivacy() {
      let site = this.globalConfig.appInfo.agreements[0]
      this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
    },
    // 用户协议
    handleUserAgrement() {
      let site = this.globalConfig.appInfo.agreements[1]
      this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
    },
    // 获取图形验证码
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
        if (this.captchaEnabled) {
          this.codeUrl = 'data:image/gif;base64,' + res.img
          this.loginForm.uuid = res.uuid
        }
      })
    },
    // 登录方法
    async handleLogin() {
      if (this.loginForm.username === "") {
        this.$modal.msgError("请输入账号")
      } else if (this.loginForm.password === "") {
        this.$modal.msgError("请输入密码")
      } else if (this.loginForm.code === "" && this.captchaEnabled) {
        this.$modal.msgError("请输入验证码")
      } else {
        this.$modal.loading("登录中，请耐心等待...")
        this.pwdLogin()
      }
    },
    // 密码登录
    async pwdLogin() {
      this.$store.dispatch('Login', this.loginForm).then(() => {
        // 密码现在是明文传输 展示转base64 存本地 做保存密码需求
        const info = bufferConverter.stringToBase64(JSON.stringify({
          username: this.loginForm.username,
          password: this.loginForm.password,
        }))
        uni.setStorageSync('loginInfo', info)
        this.$modal.closeLoading()
        this.loginSuccess()
      }).catch((res) => {
        uni.showToast({
          title: res.msg,
          icon: 'none'
        });
        if (this.captchaEnabled) {
          this.getCode()
        }
      }).finally(() => {
        this.$modal.closeLoading()
      })
    },
    // 登录成功后，处理函数
    loginSuccess(result) {
      // 设置用户信息
      this.$store.dispatch('GetInfo').then(res => {
        // 登录成功后调用showMessageTabRedDot更新消息tab红点状态
        showMessageTabRedDot()
        this.$tab.reLaunch('/pages/home-new/index')
      })
    }
  }
}
</script>

<style lang="scss" scoped>
page {
  background-color: #ffffff;
}

.normal-login-container {
  width: 100%;

  .logo-content {
    width: 100%;
    font-size: 21px;
    text-align: left;
    padding-top: 15%;
    padding-left: 30rpx;

    image {
      border-radius: 4px;
    }

    .title {
      margin-left: 10px;
    }
  }

  .login-form-content {
    text-align: center;
    margin: 20px auto;
    margin-top: 15%;
    width: 80%;

    .input-item {
      margin: 20px auto;
      background-color: #f5f6f7;
      height: 45px;
      border-radius: 20px;

      .icon {
        font-size: 38rpx;
        margin-left: 10px;
        color: #999;
      }

      .input {
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        padding-left: 15px;
      }

    }

    .login-btn {
      margin-top: 40px;
      height: 45px;
    }

    .reg {
      margin-top: 15px;
    }

    .xieyi {
      color: #333;
      margin-top: 20px;
    }

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

      .login-code-img {
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;
      }

      .refresh-btn {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        background-color: #f0f0f0;
        cursor: pointer;
        height: 38px;
        position: absolute;
        margin-left: 10px;
        width: 200rpx;

        .refresh-icon {
          font-size: 16px;
          color: #666;
        }

        .refresh-text {
          font-size: 12px;
          color: #666;
          margin-left: 5rpx;
        }

        &:active {
          background-color: #e0e0e0;
        }
      }
    }
  }
}
</style>