41 lines
933 B
Dart
41 lines
933 B
Dart
abstract class DataBase {
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static late DataBase _dataBase;
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static DataBase getInstance() {
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return _dataBase;
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}
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static void setInstance(DataBase database) {
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_dataBase = database;
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}
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// 执行查询操作
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Future<List<Map<String, dynamic>>> query(String table, {dynamic condition});
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// 执行插入操作
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Future<void> insert(String table, Map<String, dynamic> data);
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// 执行更新操作
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Future<void> update(
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String table, Map<String, dynamic> data, dynamic condition,
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{bool multiUpdate = false});
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// 执行删除操作
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Future<void> delete(String table, dynamic condition);
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//查询数量
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Future<int> count(String tbale, {dynamic condition});
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}
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class DataBaseConfig {
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String host;
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String userName;
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String password;
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String dataBase;
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DataBaseConfig(
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{required this.host,
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required this.userName,
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required this.password,
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required this.dataBase});
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}
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