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														|  | 
 |  | +<template>
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														|  | 
 |  | +  <div class="upload-file">
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														|  | 
 |  | +    <el-upload
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														|  | 
 |  | +      :action="uploadFileUrl"
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														|  | 
 |  | +      :before-upload="handleBeforeUpload"
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														|  | 
 |  | +      :file-list="fileList"
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														|  | 
 |  | +      :limit="1"
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														|  | 
 |  | +      :on-error="handleUploadError"
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														|  | 
 |  | +      :on-exceed="handleExceed"
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														|  | 
 |  | +      :on-success="handleUploadSuccess"
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														|  | 
 |  | +      :show-file-list="false"
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														|  | 
 |  | +      :headers="headers"
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														|  | 
 |  | +      class="upload-file-uploader"
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														|  | 
 |  | +      ref="upload"
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														|  | 
 |  | +    >
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														|  | 
 |  | +      <!-- 上传按钮 -->
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														|  | 
 |  | +      <el-button size="mini" type="primary">选取文件</el-button>
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														|  | 
 |  | +      <!-- 上传提示 -->
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														|  | 
 |  | +      <div class="el-upload__tip" slot="tip" v-if="showTip">
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														|  | 
 |  | +        请上传
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														|  | 
 |  | +        <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
 | 
											
												
													
														|  | 
 |  | +        <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
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														|  | 
 |  | +        的文件
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														|  | 
 |  | +      </div>
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														|  | 
 |  | +    </el-upload>
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														|  | 
 |  | +
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														|  | 
 |  | +    <!-- 文件列表 -->
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														|  | 
 |  | +    <transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
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														|  | 
 |  | +      <li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in list">
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														|  | 
 |  | +        <el-link :href="file.url" :underline="false" target="_blank">
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														|  | 
 |  | +          <span class="el-icon-document"> {{ getFileName(file.name) }} </span>
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														|  | 
 |  | +        </el-link>
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														|  | 
 |  | +        <div class="ele-upload-list__item-content-action">
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														|  | 
 |  | +          <el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
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														|  | 
 |  | +        </div>
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														|  | 
 |  | +      </li>
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														|  | 
 |  | +    </transition-group>
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														|  | 
 |  | +  </div>
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														|  | 
 |  | +</template>
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														|  | 
 |  | +
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														|  | 
 |  | +<script>
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														|  | 
 |  | +import { getToken } from "@/utils/auth";
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														|  | 
 |  | +
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														|  | 
 |  | +export default {
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														|  | 
 |  | +  props: {
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														|  | 
 |  | +    // 值
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														|  | 
 |  | +    value: [String, Object, Array],
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														|  | 
 |  | +    // 大小限制(MB)
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														|  | 
 |  | +    fileSize: {
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														|  | 
 |  | +      type: Number,
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														|  | 
 |  | +      default: 5,
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 文件类型, 例如['png', 'jpg', 'jpeg']
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														|  | 
 |  | +    fileType: {
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														|  | 
 |  | +      type: Array,
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														|  | 
 |  | +      default: () => ["doc", "xls", "ppt", "txt", "pdf"],
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 是否显示提示
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														|  | 
 |  | +    isShowTip: {
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														|  | 
 |  | +      type: Boolean,
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														|  | 
 |  | +      default: true
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														|  | 
 |  | +    }
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														|  | 
 |  | +  },
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														|  | 
 |  | +  data() {
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														|  | 
 |  | +    return {
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														|  | 
 |  | +      uploadFileUrl: process.env.VUE_APP_BASE_API + "/file/upload", // 上传的图片服务器地址
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														|  | 
 |  | +      headers: {
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														|  | 
 |  | +        Authorization: "Bearer " + getToken(),
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														|  | 
 |  | +      },
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														|  | 
 |  | +      fileList: [],
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														|  | 
 |  | +    };
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														|  | 
 |  | +  },
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														|  | 
 |  | +  computed: {
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														|  | 
 |  | +    // 是否显示提示
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														|  | 
 |  | +    showTip() {
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														|  | 
 |  | +      return this.isShowTip && (this.fileType || this.fileSize);
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 列表
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														|  | 
 |  | +    list() {
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														|  | 
 |  | +      let temp = 1;
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														|  | 
 |  | +      if (this.value) {
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														|  | 
 |  | +        // 首先将值转为数组
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														|  | 
 |  | +        const list = Array.isArray(this.value) ? this.value : [this.value];
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														|  | 
 |  | +        // 然后将数组转为对象数组
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														|  | 
 |  | +        return list.map((item) => {
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														|  | 
 |  | +          if (typeof item === "string") {
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														|  | 
 |  | +            item = { name: item, url: item };
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														|  | 
 |  | +          }
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														|  | 
 |  | +          item.uid = item.uid || new Date().getTime() + temp++;
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														|  | 
 |  | +          return item;
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														|  | 
 |  | +        });
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														|  | 
 |  | +      } else {
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														|  | 
 |  | +        return [];
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														|  | 
 |  | +      }
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														|  | 
 |  | +    },
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														|  | 
 |  | +  },
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														|  | 
 |  | +  methods: {
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														|  | 
 |  | +    // 上传前校检格式和大小
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														|  | 
 |  | +    handleBeforeUpload(file) {
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														|  | 
 |  | +      // 校检文件类型
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														|  | 
 |  | +      if (this.fileType) {
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														|  | 
 |  | +        let fileExtension = "";
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														|  | 
 |  | +        if (file.name.lastIndexOf(".") > -1) {
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														|  | 
 |  | +          fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1);
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														|  | 
 |  | +        }
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														|  | 
 |  | +        const isTypeOk = this.fileType.some((type) => {
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														|  | 
 |  | +          if (file.type.indexOf(type) > -1) return true;
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														|  | 
 |  | +          if (fileExtension && fileExtension.indexOf(type) > -1) return true;
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														|  | 
 |  | +          return false;
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														|  | 
 |  | +        });
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														|  | 
 |  | +        if (!isTypeOk) {
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														|  | 
 |  | +          this.$message.error(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
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														|  | 
 |  | +          return false;
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														|  | 
 |  | +        }
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														|  | 
 |  | +      }
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														|  | 
 |  | +      // 校检文件大小
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														|  | 
 |  | +      if (this.fileSize) {
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														|  | 
 |  | +        const isLt = file.size / 1024 / 1024 < this.fileSize;
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														|  | 
 |  | +        if (!isLt) {
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														|  | 
 |  | +          this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
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														|  | 
 |  | +          return false;
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														|  | 
 |  | +        }
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														|  | 
 |  | +      }
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														|  | 
 |  | +      return true;
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 文件个数超出
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														|  | 
 |  | +    handleExceed() {
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														|  | 
 |  | +      this.$message.error(`只允许上传单个文件`);
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 上传失败
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														|  | 
 |  | +    handleUploadError(err) {
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														|  | 
 |  | +      this.$message.error("上传失败, 请重试");
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 上传成功回调
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														|  | 
 |  | +    handleUploadSuccess(res, file) {
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														|  | 
 |  | +      this.$message.success("上传成功");
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														|  | 
 |  | +      this.$emit("input", res.data.url);
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 删除文件
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														|  | 
 |  | +    handleDelete(index) {
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														|  | 
 |  | +      this.fileList.splice(index, 1);
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														|  | 
 |  | +      this.$emit("input", '');
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														|  | 
 |  | +    },
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														|  | 
 |  | +    // 获取文件名称
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														|  | 
 |  | +    getFileName(name) {
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														|  | 
 |  | +      if (name.lastIndexOf("/") > -1) {
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														|  | 
 |  | +        return name.slice(name.lastIndexOf("/") + 1).toLowerCase();
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														|  | 
 |  | +      } else {
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														|  | 
 |  | +        return "";
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														|  | 
 |  | +      }
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														|  | 
 |  | +    }
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														|  | 
 |  | +  },
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														|  | 
 |  | +  created() {
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														|  | 
 |  | +    this.fileList = this.list;
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														|  | 
 |  | +  },
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														|  | 
 |  | +};
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														|  | 
 |  | +</script>
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														|  | 
 |  | +
 | 
											
												
													
														|  | 
 |  | +<style scoped lang="scss">
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														|  | 
 |  | +.upload-file-uploader {
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														|  | 
 |  | +  margin-bottom: 5px;
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														|  | 
 |  | +}
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														|  | 
 |  | +.upload-file-list .el-upload-list__item {
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														|  | 
 |  | +  border: 1px solid #e4e7ed;
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														|  | 
 |  | +  line-height: 2;
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														|  | 
 |  | +  margin-bottom: 10px;
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														|  | 
 |  | +  position: relative;
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														|  | 
 |  | +}
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														|  | 
 |  | +.upload-file-list .ele-upload-list__item-content {
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														|  | 
 |  | +  display: flex;
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														|  | 
 |  | +  justify-content: space-between;
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														|  | 
 |  | +  align-items: center;
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														|  | 
 |  | +  color: inherit;
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														|  | 
 |  | +}
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														|  | 
 |  | +.ele-upload-list__item-content-action .el-link {
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														|  | 
 |  | +  margin-right: 10px;
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														|  | 
 |  | +}
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														|  | 
 |  | +</style>
 |