update 优化文件上传、图片上传组件 文件列表展示文件原名便于后续处理, 完善组件删除功能

疯狂的狮子Li

2022-04-18 3dfb116fdd4120567493d03c075da327a5e4f71c

 ruoyi-ui/src/components/ImageUpload/index.vue

@@ -1,6 +1,7 @@
<template>
  <div class="component-upload-image">
    <el-upload
      multiple
      :action="uploadImgUrl"
      list-type="picture-card"
      :on-success="handleUploadSuccess"
@@ -18,7 +19,7 @@
    >
      <i class="el-icon-plus"></i>
    </el-upload>
    

    <!-- 上传提示 -->
    <div class="el-upload__tip" slot="tip" v-if="showTip">
      请上传
@@ -43,6 +44,7 @@

<script>
import { getToken } from "@/utils/auth";
import { delOss } from "@/api/system/oss";

export default {
  props: {
@@ -70,6 +72,8 @@
  },
  data() {
    return {
      number: 0,
      uploadList: [],
      dialogImageUrl: "",
      dialogVisible: false,
      hideUpload: false,
@@ -89,9 +93,8 @@
          const list = Array.isArray(val) ? val : this.value.split(',');
          // 然后将数组转为对象数组
          this.fileList = list.map(item => {
            if (typeof item === "string") {
              item = { name: item, url: item };
            }
            // 此处name使用ossId 防止删除出现重名
            item = { name: item.ossId, url: item.url, ossId: item.ossId };
            return item;
          });
        } else {
@@ -114,19 +117,26 @@
    handleRemove(file, fileList) {
      const findex = this.fileList.map(f => f.name).indexOf(file.name);
      if(findex > -1) {
        let ossId = this.fileList[findex].ossId;
        delOss(ossId);
        this.fileList.splice(findex, 1);
        this.$emit("input", this.listToString(this.fileList));
        this.$emit("input", this.fileList);
      }
    },
    // 上传成功回调
    handleUploadSuccess(res) {
      if (res.code == 200) {
        this.fileList.push({ name: res.data.fileName, url: res.data.url });
        this.$emit("input", this.listToString(this.fileList));
        this.loading.close();
        this.uploadList.push({ name: res.data.fileName, url: res.data.url, ossId: res.data.ossId });
        if (this.uploadList.length === this.number) {
          this.fileList = this.fileList.concat(this.uploadList);
          this.uploadList = [];
          this.number = 0;
          this.$emit("input", this.fileList);
          this.$modal.closeLoading();
        }
      } else {
        this.$message.error(res.msg);
        this.loading.close();
        this.$modal.msgError(res.msg);
        this.$modal.closeLoading();
      }
    },
    // 上传前loading加载
@@ -147,50 +157,33 @@
      }

      if (!isImg) {
        this.$message.error(
          `文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`
        );
        this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!`);
        return false;
      }
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize;
        if (!isLt) {
          this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
          this.$modal.msgError(`上传头像图片大小不能超过 ${this.fileSize} MB!`);
          return false;
        }
      }
      this.loading = this.$loading({
        lock: true,
        text: "上传中",
        background: "rgba(0, 0, 0, 0.7)",
      });
      this.$modal.loading("正在上传图片，请稍候...");
      this.number++;
    },
    // 文件个数超出
    handleExceed() {
      this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);
      this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
    },
    // 上传失败
    handleUploadError(res) {
      this.$message({
        type: "error",
        message: "上传失败",
      });
      this.loading.close();
      this.$modal.msgError("上传图片失败，请重试");
      this.$modal.closeLoading();
    },
    // 预览
    handlePictureCardPreview(file) {
      this.dialogImageUrl = file.url;
      this.dialogVisible = true;
    },
    // 对象转成指定字符串分隔
    listToString(list, separator) {
      let strs = "";
      separator = separator || ",";
      for (let i in list) {
        strs += list[i].url + separator;
      }
      return strs != '' ? strs.substr(0, strs.length - 1) : '';
    }
  }
};
</script>