fix:增加异常机制

刘鸿
1 parent 09f87ae4
Showing 1 changed file with 13 additions and 8 deletions
src/utils/index.js
@@ -614,13 +614,18 @@ export function getBlob(url) {
   });
 }
 export function fetchHTML(url) {
-  var xhr = new XMLHttpRequest();
-  xhr.open("GET", url, false);
-  xhr.send();
-  if (xhr.status === 200) {
-    return xhr.responseText;
-  } else {
-    return null;
+  try {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", url, false);
+    xhr.send();
+    if (xhr.status === 200) {
+      return xhr.responseText;
+    } else {
+      return "";
+    }
+  }
+  catch (e) {
+    return "";
   }
 }
 /**
@@ -989,7 +994,7 @@ export function paperPrint(paper) {
   }
   // size: A4 portrait; 
   // size: A3 landscape;
- 
+
   const style = printWin.document.createElement('style');
   style.innerHTML = `
       @media print