优化:尝试修复错误的图纸

src/DatabaseServices/FileServer.ts

@@ -150,18 +150,27 @@ export class FileServer extends Singleton
                             }
                             catch (error)
                             {
-                                if (error.message.indexOf("at position") === -1)
+                                let pos: number;
+                                if (error.message.indexOf("at position") !== -1)
+                                    pos = Number(/at position[ ]+(\d+)/.exec(error.message)[1]);
+                                else if (error.message.indexOf("Unexpected token") !== -1)
+                                {
+                                    let pos1 = error.message.indexOf("\"");
+                                    let pos2 = error.message.indexOf("\"", pos1 + 1);
+                                    let subStr = error.message.substring(pos1 + 1, pos2);
+                                    pos = info.file.indexOf(subStr);
+                                }
+
+                                if (pos === undefined || pos === -1)
                                 {
                                     AppToaster.show({
-                                        message: "图纸损坏!您现在可以打开历史记录修复图纸!",
+                                        message: "图纸损坏!您现在可以打开历史记录修复图纸!或者将图纸发给我们进行修复!",
                                         timeout: 3000,
                                         intent: Intent.DANGER
                                     }, 'canelfix');
                                     break;
                                 }
-                                else
-                                {
-                                    let pos = Number(/at position[ ]+(\d+)/.exec(error.message)[1]);
+
                                 let startPos = Math.max(0, pos - 100);
                                 let endPos = Math.min(pos + 100, info.file.length - 1);
 
@@ -190,7 +199,6 @@ export class FileServer extends Singleton
                                 }
                             }
                         }
-                        }
 
                         app.OpenFile(new CADFiler(fileData));