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src/components/Upload/SingleImage3.vue 3.35 KB
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d7d9c38c2   Adam   auto commit the c... 
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  <template>
    <div class="upload-container">
      <el-upload
        :data="dataObj"
        :multiple="false"
        :show-file-list="false"
        :on-success="handleImageSuccess"
        class="image-uploader"
        drag
        action="https://httpbin.org/post"
      >
        <i class="el-icon-upload" />
        <div class="el-upload__text">
          将文件拖到此处，或<em>点击上传</em>
        </div>
      </el-upload>
      <div class="image-preview image-app-preview">
        <div v-show="imageUrl.length>1" class="image-preview-wrapper">
          <img :src="imageUrl">
          <div class="image-preview-action">
            <i class="el-icon-delete" @click="rmImage" />
          </div>
        </div>
      </div>
      <div class="image-preview">
        <div v-show="imageUrl.length>1" class="image-preview-wrapper">
          <img :src="imageUrl">
          <div class="image-preview-action">
            <i class="el-icon-delete" @click="rmImage" />
          </div>
        </div>
      </div>
    </div>
  </template>
  
  <script>
  import { getToken } from '@/api/qiniu'
  
  export default {
    name: 'SingleImageUpload3',
    props: {
      value: {
        type: String,
        default: ''
      }
    },
    data() {
      return {
        tempUrl: '',
        dataObj: { token: '', key: '' }
      }
    },
    computed: {
      imageUrl() {
        return this.value
      }
    },
    methods: {
      rmImage() {
        this.emitInput('')
      },
      emitInput(val) {
        this.$emit('input', val)
      },
      handleImageSuccess(file) {
        this.emitInput(file.files.file)
      },
      beforeUpload() {
        const _self = this
        return new Promise((resolve, reject) => {
          getToken().then(response => {
            const key = response.data.qiniu_key
            const token = response.data.qiniu_token
            _self._data.dataObj.token = token
            _self._data.dataObj.key = key
            this.tempUrl = response.data.qiniu_url
            resolve(true)
          }).catch(err => {
            console.log(err)
            reject(false)
          })
        })
      }
    }
  }
  </script>
  
  <style lang="scss" scoped>
  @import "~@/styles/mixin.scss";
  .upload-container {
    width: 100%;
    position: relative;
    @include clearfix;
    .image-uploader {
      width: 35%;
      float: left;
    }
    .image-preview {
      width: 200px;
      height: 200px;
      position: relative;
      border: 1px dashed #d9d9d9;
      float: left;
      margin-left: 50px;
      .image-preview-wrapper {
        position: relative;
        width: 100%;
        height: 100%;
        img {
          width: 100%;
          height: 100%;
        }
      }
      .image-preview-action {
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
        cursor: default;
        text-align: center;
        color: #fff;
        opacity: 0;
        font-size: 20px;
        background-color: rgba(0, 0, 0, .5);
        transition: opacity .3s;
        cursor: pointer;
        text-align: center;
        line-height: 200px;
        .el-icon-delete {
          font-size: 36px;
        }
      }
      &:hover {
        .image-preview-action {
          opacity: 1;
        }
      }
    }
    .image-app-preview {
      width: 320px;
      height: 180px;
      position: relative;
      border: 1px dashed #d9d9d9;
      float: left;
      margin-left: 50px;
      .app-fake-conver {
        height: 44px;
        position: absolute;
        width: 100%; // background: rgba(0, 0, 0, .1);
        text-align: center;
        line-height: 64px;
        color: #fff;
      }
    }
  }
  </style>