表格组件悬浮内容换行

@@ -30,7 +30,7 @@
                     </div>
 
                     <span v-else>
-                         <el-tooltip placement="top" :disabled="scope.row.isShowTooltip == undefined || scope.row.isShowTooltip == false">
+                         <el-tooltip placement="top-start" :disabled="scope.row.isShowTooltip == undefined || scope.row.isShowTooltip == false">
                             <template #content >
                                 <div v-html="getTextContent(scope.row[item.prop])">
                                 </div>

@@ -231,7 +231,7 @@ export default {
             if(val && val != '' && val != null){
                 val = val+''.replace(/[^\x00-\xff]/g,"$&\x01").replace(/.{50}\x01?/g,"$&<br/>").replace(/\x01/g,"");
             }
-            return val;
+            return `<pre>${val}</pre>`;
 
         }
         //设置父节点选中后children也选中