试题导入非空判断

ruoyi-admin/src/main/resources/templates/system/elExam/qu/toImport.html

@@ -112,6 +112,13 @@
                 this.fileList = e.target.files
             },
             save(){
+                if(this.fileList.length === 0){
+                    this.$message({
+                        message: '请先选择文件！',
+                        type: 'warning'
+                    })
+                    return false
+                }
                 let that = this
                 this.importExcel(this.fileList[0]).then((res)=>{
                     console.log(res)