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【若依前后端分离】登录页面背景加入轮播视频

非宁静不致远 04-16 21:00 阅读 1
前端javascriptvue.js

轮播图：【若依前后端分离】登录页面背景加入轮播图_vue 轮播图登入页-CSDN博客

1.Vue 组件的模板部分

视频容器：使用一个 div 元素作为视频的容器，具有样式 video-container。

<div class="video-container">
  <video :src="currentVideoSrc" autoplay muted loop :class="{ active: isActive }"></video>
</div>
  • :src="currentVideoSrc"：使用 Vue 的数据绑定将视频的 src 属性设置为 currentVideoSrc，这个属性会动态地指向当前播放的视频路径。
  • autoplay：视频加载后自动播放。
  • muted：视频静音播放。
  • loop：视频循环播放。
  • :class="{ active: isActive }"：根据 isActive 的值动态添加或移除 active 类，以控制视频的显示和隐藏。

 2.JavaScript 部分

 数据属性定义：

  • videos：一个包含视频路径的数组。
  • currentIndex：用于跟踪当前播放的视频索引。
data() {
  return {
    videos: [
      require('@/assets/videos/video.mp4'),
      // 添加更多视频路径
    ],
    currentIndex: 0,
    // 其他数据属性...
  };
},

 计算属性：

  • currentVideoSrc：动态获取当前播放的视频路径。
  • isActive：用于控制视频是否处于激活状态。

 

computed: {
  currentVideoSrc() {
    return this.videos[this.currentIndex];
  },
  isActive() {
    return this.currentIndex === 0; // 或者根据需求设置其他条件
  }
},

播放视频的方法：

  • playNextVideo：定时更改 currentIndex 来循环播放视频。
methods: {
  playNextVideo() {
    setInterval(() => {
      this.currentIndex = (this.currentIndex + 1) % this.videos.length;
    }, 5000); // 每 5 秒切换一次视频
  },
  // 其他方法...
},

 生命周期钩子：

  • 在 mounted 钩子中调用 playNextVideo 方法。确保组件挂载后视频自动播放。
mounted() {
  this.playNextVideo();
},

3.样式


.video-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.video-container video.active {
  opacity: 1;
}

 4.全部代码

<template>
  <div class="login">

    <div class="video-container">
      <video :src="currentVideoSrc" autoplay muted loop :class="{ active: isActive }"></video>
    </div>

    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">XXXX系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="账号"
        >
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="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>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import {getCodeImg} from "@/api/login";
import Cookies from "js-cookie";
import {decrypt, encrypt} from '@/utils/jsencrypt'
import {listMinAlarmNumeric} from "@/api/inventory/inventory";

export default {
  name: "Login",
  data() {
    return {
      //轮播视频
      videos: [
        require('@/assets/videos/hm_video.mp4'),
        // 添加更多视频路径
      ],
      currentIndex: 0,
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        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
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },

  //轮播视频
  computed: {
    currentVideoSrc() {
      return this.videos[this.currentIndex];
    },
    isActive() {
      return this.currentIndex === 0; // 或者根据需求设置其他条件
    }
  },
  mounted() {
    this.playNextVideo();
  },


  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
    // this.getMinAlarmNumeric();
  },
  methods: {
    //轮播视频
    playNextVideo() {
      setInterval(() => {
        this.currentIndex = (this.currentIndex + 1) % this.videos.length;
      }, 5000); // 每 5 秒切换一次视频
    },

    // getMinAlarmNumeric() {
    //   listMinAlarmNumeric().then(res => {
    //     this.$store.commit("noticeNum/SET_INVENTORY_ALARM_NUMERIC_SUM", res.total);
    //   })
    // },
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$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.captchaEnabled) {
              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;
}

.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 {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.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;
}

.video-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.video-container video.active {
  opacity: 1;
}
</style>

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