fix(BUG:51):投票文件类型限制上传

src/components/vote/AddVote.vue

@@ -73,8 +73,8 @@
               <span style="margin-right: 3px">基础投票数：</span>
             </div>
             <div class="btnbox">
-              <a-upload @change="handleChange" :multiple="true" :max-count="1" action="/manageApi/vote/baseVoteupload"
-                v-model:file-list="fileList">
+              <a-upload @change="handleChange" :before-upload="beforeUpload" :multiple="true" :max-count="1"
+                action="/manageApi/vote/baseVoteupload" v-model:file-list="fileList">
                 <button class="xkbtn">点击上传</button></a-upload>
               <div v-if="voteCount > 0"><a-tag color="processing"> <span style="font-size:14px;line-height: 33px;">{{
                   voteCount
@@ -218,7 +218,23 @@ export default {
 
     };
 
+    // 限制文件格式上传
+    const beforeUpload = (obj) => {
+      console.log(obj)
+    }
+
     const handleChange = info => {
+      console.log(info.file.type, info.file.type.indexOf('sheet'))
+      if (info.file.type.indexOf('sheet') == -1) {
+        message.destroy()
+        message.error("请上传正确的文件格式")
+
+        console.log(state.fileList)
+
+        state.fileList = []
+        return
+      }
+
       let resFileList = [...info.fileList];
 
 
@@ -401,6 +417,7 @@ export default {
       queryStem,
       closeStem,
       handleChange,
+      beforeUpload,
       log,
     };
   },