新增数据库 可选多记录更新

lib/base/database/DataBase.dart

@@ -17,7 +17,8 @@ abstract class DataBase {
 
   // 执行更新操作
   Future<void> update(
-      String table, Map<String, dynamic> data, dynamic condition);
+      String table, Map<String, dynamic> data, dynamic condition,
+      {bool multiUpdate = false});
 
   // 执行删除操作
   Future<void> delete(String table, dynamic condition);

lib/base/database/impl/MongoDb.dart

@@ -45,7 +45,9 @@ class MongoDb implements DataBase {
 
   @override
   Future<void> update(
-      String table, Map<String, dynamic> data, dynamic condition) async {
+      String table, Map<String, dynamic> data, dynamic condition,
-    await getCollection(table).update(condition, data);
+      {bool multiUpdate = false}) async {
+    await getCollection(table)
+        .update(condition, data, multiUpdate: multiUpdate);
   }
 }