Jeeplus-vue implements file upload function

	<el-table-column
	  prop="upload"
	  label="College Certification Materials">
	  <template slot-scope="scope" v-if="">
	    <el-image
	      style="height: 30%;width:30%;margin-left:22%;"
	      :src="src"
	      v-for="(src, index) in (',')" :key="index"
	      :preview-src-list="(',')">
	    </el-image>
	  </template>
	</el-table-column>

data () {
	return{
		searchForm:{
			upload: ''
		}，
		loading: false,
        src: '' // Upload pictures}

<el-col :span="12">
		    <el-form-item label="Upload pictures" prop="upload">
		      <el-upload
		        list-type="picture-card"
		        :action="`${this.$http.BASE_URL}/sys/file/webupload/upload?uploadPath=/upload`"
		        :headers="{token: $('token')}"
				:before-upload="beforeUpload"
		        :on-preview="(file, fileList) => {
		            $alert(`<img style='width:100%' src=' ${( && ) || }'/>`,  {
		              dangerouslyUseHTMLString: true,
		              showConfirmButton: false,
		              closeOnClickModal: true,
		              customClass: 'showPic'
		            });
		        }"
		        :on-success="(response, file, fileList) => {
		            = (item => ( && ) || ).join('|')
		        }"
		        :on-remove="(file, fileList) => {
		          $(`/sys/file/webupload/deleteByUrl?url=${( && ) || }`).then(({data}) => {
		            $()
		          })
		           = (item => ).join('|')
		        }"
		        :before-remove="(file, fileList) => {
		          return $confirm(`Confirm to delete ${}？`)
		        }"
		        multiple
		        :limit="1"
		        :on-exceed="(files, fileList) =>{
		          $(`Current limit selection 1 Pictures，This time I chose ${} A file，A total of selected ${ + } Pictures`)
		        }"
		        :file-list="picArra">
		        <i class="el-icon-plus"></i>
		      </el-upload>
		      <el-dialog :="dialogVisible">
		        <img width="100%" :src="dialogImageUrl" alt="">
		      </el-dialog>
		  </el-form-item>
		</el-col>

 data () {
      return {
        picArra: [],
        dialogImageUrl: '',
        dialogVisible: false,
        disabled: false,
        inputForm: {
        upload: '',
        }
      }
 }

         = true
         = false
        // Reset the image path, otherwise the last added image will be loaded         = []
        this.$nextTick(() => {
          this.$()
          if (method === 'edit' || method === 'view') { // Modify or view             = true
            this.$http({
            // upload is the annotation path of the controller layer, just replace it              url: `/upload/queryById?id=${}`,
              method: 'get'
            }).then(({data}) => {
               = (, )
              ('|').forEach((item) => {
                if (().length > 0) {
                  ({name: decodeURIComponent((('/') + 1)), url: item})
                }
              })
               = false
            })
          }
        })，
                // View pictures      handlePictureCardPreview (file) {
         = 
         = true
      },
      continueDoSubmit () {
        this.$refs['inputForm'].validate((valid) => {
          if (valid) {
            this.$emit('addRow', , (()))
            this.$refs['inputForm'].resetFields()
          }
        })
      },
      //Judge the format of uploaded pictures      beforeUpload (file) {
        if (file) {
          const suffix = ('.')[1]
          const size =  / 1024 / 1024 < 2
          if (['png', 'jpeg', 'jpg'].indexOf(suffix) < 0) {
            this.$('Uploading images only supports png, jpeg, and jpg formats!  ')
            this.$()
            return false
          }
          if (!size) {
            this.$('The upload file size cannot exceed 2MB!')
            return false
          }
          return file
        }
      }