修改bug 56462 用户管理，文件未作清空处理;56464 用户管理，上传错误的文件一直loading

src/views/system/user/index.vue

@@ -321,7 +321,7 @@
         <div slot="tip" class="el-upload__tip" style="color:red">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
       </el-upload>
       <div slot="footer" class="dialog-footer">
-        <el-button @click="upload.open = false">取 消</el-button>
+        <el-button @click="upload.open = false, fileList = []">取 消</el-button>
         <el-button :loading="importLoading" type="primary" @click="submitFileForm">确 定</el-button>
       </div>
     </el-dialog>
@@ -970,6 +970,7 @@ export default {
     handleImport() {
       this.upload.title = '用户导入'
       this.upload.open = true
+      this.fileList = []
     },
     /** 下载模板操作 */
     importTemplate() {
@@ -996,6 +997,7 @@ export default {
       this.upload.isUploading = false
       this.$refs.upload.clearFiles()
       this.$alert(response.msg, '导入结果', { dangerouslyUseHTMLString: true })
+      this.fileList = []
       this.getList()
     },
     // 提交上传文件
@@ -1038,8 +1040,8 @@ export default {
             this.$message.info('上传超时,请重新上传')
             this.importLoading = false
           }
+          this.importLoading = false
         }).catch(err => {
-          this.$message.success(err.message)
           this.importLoading = false
         })
       }
@@ -1048,7 +1050,7 @@ export default {
       if (fileList.length > 1) {
         fileList.splice(0, 1)
       }
-      this.fileList = fileList[0].raw
+      this.fileList = [fileList[0].raw]
     },
     handleRemove(file, fileList) {
       this.fileList = []