功能:当图纸损坏时,提供快捷修复的功能

src/DatabaseServices/FileServer.ts

@@ -138,7 +138,50 @@ export class FileServer extends Singleton
                     let info = await this.GetFileInfo(fid, md5);
                     if (info)
                     {
-                        app.OpenFile(new CADFiler(JSON.parse(info.file)));
+
+                        //上次错误 , 变成了 )
+                        let fileData: any[];
+                        while (true)
+                        {
+                            try
+                            {
+                                fileData = JSON.parse(info.file);
+                                break;
+                            }
+                            catch (error)
+                            {
+                                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);
+
+                                let newStr = prompt(`数据损坏,请修复数据,下面数据中,第${pos - startPos + 1}个字符出错了(如果您不会修复,请发送给售后工程师!)点击取消可以直接放弃修复,您可以打开历史记录还原图纸!`, info.file.substring(startPos, endPos));
+                                if (newStr)
+                                {
+                                    try
+                                    {
+                                        info.file = info.file.substring(0, startPos) + newStr + info.file.substring(endPos);
+                                        fileData = JSON.parse(info.file);
+                                        break;
+                                    }
+                                    catch (error)
+                                    {
+
+                                    }
+                                }
+                                else
+                                {
+                                    AppToaster.show({
+                                        message: "你放弃了修复,你现在可以打开历史记录修复图纸!",
+                                        timeout: 3000,
+                                        intent: Intent.SUCCESS
+                                    }, 'canelfix');
+                                    break;
+                                }
+                            }
+                        }
+
+                        app.OpenFile(new CADFiler(fileData));
+
                         if (file && file !== "/")
                             this._CurrentFilePath = file;
                         this.m_CurFileId = fid;