加入重连机制忽略日志记录错误

lib/base/database/impl/MongoDb.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:EasyDartModule/base/database/DataBase.dart';
 import 'package:mongo_dart/mongo_dart.dart';
 
@@ -7,16 +9,26 @@ class MongoDb implements DataBase {
   MongoDb(this.config)
       : db = Db(
             "mongodb://${config.userName}:${config.password}@${config.host}/${config.dataBase}?authSource=admin") {
+    connect(false);
+  }
+
+  void connect(reconnect) {
+    if (reconnect) {
+      print("尝试重连MongoDb");
+    }
     Future.delayed(Duration(seconds: 1), () async {
-      do {
-        try {
-          await db.open();
-          print('Connected successfully!');
-        } catch (e) {
-          print('Connection error: $e');
-          await Future.delayed(Duration(seconds: 1));
-        }
-      } while (!db.isConnected);
+      try {
+        await db.open();
+        print('MongoDb Connected successfully!');
+        //定时检测数据库是否断开
+        do {
+          await Future.delayed(Duration(seconds: 5));
+        } while (db.isConnected);
+        connect(true);
+      } catch (e) {
+        print('MongoDb Connection error: $e');
+        connect(reconnect);
+      }
     });
   }