<!-- 404页面 -->
<template>
  <div class="error404">
    <div class="error404-body-con">
      <el-card class="box-card">
        <div class="error404-body-con-title">
          <span></span></div>
        <p class="error404-body-con-message">{{state.title}}</p>
        <div class="error404-btn-con">
          <el-button @click="goHome" size="large" style="width: 200px;" type="text">返回登录页</el-button>
          <el-button @click="backPage" size="large" style="width: 200px;margin-left: 40px;" type="primary">返回上一页
          </el-button>
        </div>
      </el-card>
    </div>
  </div>
</template>

<script>
  import state from '@/util/state.js'
  export default {
    name: "Error404",
    data() {
      return {
        title: "404",
        state: {
          status: '',
          title: ''
        }
      }
    },
    methods: {
      backPage() {
        this.$router.go(-1);
      },
      goHome() {
        this.$router.push({
          path: "/login"
        });
      }
    },
    mounted() {
      this.state.status = '404';
      this.state.title = state['404'];
    }
  };

</script>
<style lang="less" scoped>
  @keyframes error404animation {
    0% {
      transform: rotateZ(0deg);
    }

    20% {
      transform: rotateZ(-60deg);
    }

    40% {
      transform: rotateZ(-10deg);
    }

    60% {
      transform: rotateZ(50deg);
    }

    80% {
      transform: rotateZ(-20deg);
    }

    100% {
      transform: rotateZ(0deg);
    }
  }

  .error404 {
    .el-button--text {
      border: 1px solid #2d8cf0;
    }

    &-body-con {
      width: 700px;
      height: 500px;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);

      &-title {
        text-align: center;
        font-size: 240px;
        font-weight: 700;
        color: #2d8cf0;
        height: 260px;
        line-height: 260px;
        margin-top: 40px;

        span {
          display: inline-block;
          color: #19be6b;
          width: 390px;
          height: 270px;
          background: url('../../assets/404.png');
          background-size: contain;
          animation: error404animation 3s ease 0s infinite alternate;
        }
      }

      &-message {
        display: block;
        text-align: center;
        font-size: 30px;
        font-weight: 500;
        letter-spacing: 12px;
        color: #dddde2;
      }
    }

    &-btn-con {
      text-align: center;
      padding: 20px 0;
      margin-bottom: 40px;
    }
  }

</style>