错误处理

src/main.js

@@ -238,6 +238,15 @@ router.beforeEach((to, from, next) => {
     document.body.scrollTop=document.documentElement.scrollTop=0;
 });
 
+router.onError((error) => {
+    const pattern = /Loading chunk (\d)+ failed/g;
+    const isChunkLoadFailed = error.message.match(pattern);
+    const targetPath = router.history.pending.fullPath;
+    if (isChunkLoadFailed) {
+        router.replace(targetPath);
+    }
+});
+
 
 // 为了实现Class的私有属性
 const showMessage = Symbol('showMessage')