src/main/webapp/admin/src/components/common/FileUpload.vue

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<template>
  <div>
    <!-- 上传文件组件 -->
    <el-upload
      ref="upload"
      :action="getActionUrl"
      list-type="picture-card"
      :multiple="multiple"
      :limit="limit"
      :headers="myHeaders"
      :file-list="fileList"
      :on-exceed="handleExceed"
      :on-preview="handleUploadPreview"
      :on-remove="handleRemove"
      :on-success="handleUploadSuccess"
      :on-error="handleUploadErr"
      :before-upload="handleBeforeUpload"
    >
      <i class="el-icon-plus"></i>
      <div slot="tip" class="el-upload__tip" style="color:#838fa1;">{{tip}}</div>
    </el-upload>
    <el-dialog :visible.sync="dialogVisible" size="tiny" append-to-body>
      <img width="100%" :src="dialogImageUrl" alt>
    </el-dialog>
  </div>
</template>
<script>
import storage from "@/utils/storage";
import base from "@/utils/base";
export default {
  data() {
    return {
      // 查看大图
      dialogVisible: false,
      // 查看大图
      dialogImageUrl: "",
      // 组件渲染图片的数组字段，有特殊格式要求
      fileList: [],
      fileUrlList: [],
      myHeaders:{}
    };
  },
  props: ["tip", "action", "limit", "multiple", "fileUrls"],
  mounted() {
    this.init();
    this.myHeaders= {
      'Token':storage.get("Token")
    }
  },
  watch: {
    fileUrls: function(val, oldVal) {
      //   console.log("new: %s, old: %s", val, oldVal);
      this.init();
    }
  },
  computed: {
    // 计算属性的 getter
    getActionUrl: function() {
      // return base.url + this.action + "?token=" + storage.get("token");
      return `/${this.$base.name}/` + this.action;