chore: validate existence of file before openning

Author: LolipopJ

main.py

@@ -54,11 +54,11 @@ def openfile(self):
 
 
     def double_click_search_table(self, info):
-        file_path = self.resultTable.item(info.row(), 0).text()
-        try:
+        file_path = os.path.normpath(self.resultTable.item(info.row(), 0).text())
+        if os.path.exists(file_path):
             os.startfile(file_path)
-        except Exception:
-            QtWidgets.QMessageBox.warning(self, '警告', '打开文件失败：' + file_path)
+        else:
+            QtWidgets.QMessageBox.warning(self, '警告', '图片文件不存在：' + file_path)
 
 
     def double_click_duplicate_table(self, info):
@@ -67,10 +67,10 @@ def double_click_duplicate_table(self, info):
             return
         row = info.row()
         file_path = self.resultTableDuplicate.item(row, col).text()
-        try:
+        if os.path.exists(file_path):
             os.startfile(file_path)
-        except Exception:
-            QtWidgets.QMessageBox.warning(self, '警告', '打开文件失败：' + file_path)
+        else:
+            QtWidgets.QMessageBox.warning(self, '警告', '图片文件不存在：' + file_path)
 
 
     def start_search(self):