From cccc5fe0694b164b383e6a78fda0295a3515b874 Mon Sep 17 00:00:00 2001
From: 刘鸿 <liuhong@psunsky.com>
Date: Thu, 5 Dec 2024 13:17:05 +0800
Subject: [PATCH] fix:增加异常机制

---
 src/utils/index.js | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/utils/index.js b/src/utils/index.js
index 3882fe8..7391166 100644
--- a/src/utils/index.js
+++ b/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 
--
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