FileUpload组件支持多文件上传

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

@@ -4,9 +4,7 @@
       :action="uploadFileUrl"
       :before-upload="handleBeforeUpload"
       :file-list="fileList"
-      :limit="1"
       :on-error="handleUploadError"
-      :on-exceed="handleExceed"
       :on-success="handleUploadSuccess"
       :show-file-list="false"
       :headers="headers"
@@ -26,8 +24,8 @@
 
     <!-- 文件列表 -->
     <transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
-      <li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in list">
-        <el-link :href="file.url" :underline="false" target="_blank">
+      <li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
+        <el-link :href="`${baseUrl}${file.url}`" :underline="false" target="_blank">
           <span class="el-icon-document"> {{ getFileName(file.name) }} </span>
         </el-link>
         <div class="ele-upload-list__item-content-action">
@@ -42,6 +40,7 @@
 import { getToken } from "@/utils/auth";
 
 export default {
+  name: "FileUpload",
   props: {
     // 值
     value: [String, Object, Array],
@@ -63,6 +62,7 @@ export default {
   },
   data() {
     return {
+      baseUrl: process.env.VUE_APP_BASE_API,
       uploadFileUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址
       headers: {
         Authorization: "Bearer " + getToken(),
@@ -70,30 +70,35 @@ export default {
       fileList: [],
     };
   },
+  watch: {
+    value: {
+      handler(val) {
+        if (val) {
+          let temp = 1;
+          // 首先将值转为数组
+          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 };
+            }
+            item.uid = item.uid || new Date().getTime() + temp++;
+            return item;
+          });
+        } else {
+          this.fileList = [];
+          return [];
+        }
+      },
+      deep: true,
+      immediate: true
+    }
+  },
   computed: {
     // 是否显示提示
     showTip() {
       return this.isShowTip && (this.fileType || this.fileSize);
     },
-    // 列表
-    list() {
-      let temp = 1;
-      if (this.value) {
-        // 首先将值转为数组
-        const list = Array.isArray(this.value) ? this.value : [this.value];
-        // 然后将数组转为对象数组
-        return list.map((item) => {
-          if (typeof item === "string") {
-            item = { name: item, url: item };
-          }
-          item.uid = item.uid || new Date().getTime() + temp++;
-          return item;
-        });
-      } else {
-        this.fileList = [];
-        return [];
-      }
-    },
   },
   methods: {
     // 上传前校检格式和大小
@@ -124,10 +129,6 @@ export default {
       }
       return true;
     },
-    // 文件个数超出
-    handleExceed() {
-      this.$message.error(`只允许上传单个文件`);
-    },
     // 上传失败
     handleUploadError(err) {
       this.$message.error("上传失败, 请重试");
@@ -135,12 +136,13 @@ export default {
     // 上传成功回调
     handleUploadSuccess(res, file) {
       this.$message.success("上传成功");
-      this.$emit("input", res.url);
+      this.fileList.push({ name: res.fileName, url: res.fileName });
+      this.$emit("input", this.listToString(this.fileList));
     },
     // 删除文件
     handleDelete(index) {
       this.fileList.splice(index, 1);
-      this.$emit("input", '');
+      this.$emit("input", this.listToString(this.fileList));
     },
     // 获取文件名称
     getFileName(name) {
@@ -149,11 +151,16 @@ export default {
       } else {
         return "";
       }
+    },
+    // 对象转成分隔字符串
+    listToString(list) {
+      let files = "";
+      for (let key in list) {
+        files += list[key].url + ",";
+      }
+      return files.substr(0, files.length - 1);
     }
-  },
-  created() {
-    this.fileList = this.list;
-  },
+  }
 };
 </script>