6.03

//登入功能

Future<void> login(
    BuildContext context,
    String username,
    String password)
async {

  Dio dio = Dio();
  String checkUrl = "http://192.168.211.14:9090/user/checkCredentials";

  Map<String, dynamic> data = {
    "user_name": username,
    "user_password": password,

  };
  Response response = await dio.post(checkUrl, data: data);

  if (response.statusCode == 200) {
    bool isAuthenticated = response.data;

    if (isAuthenticated) {
      // 顯示登入成功對話方塊
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text('登入成功'),
            content: Text('歡迎回來！'),
            actions: [
              TextButton(
                onPressed: () {
                  Navigator.of(context).pop(); // 關閉對話方塊
                },
                child: Text('確定'),
              ),
            ],
          );
        },
      );
    } else {
      // 身份驗證失敗，顯示錯誤訊息或採取相應的操作
      showDialog(
        context: context,
        builder: (BuildContext context) {
          return AlertDialog(
            title: Text('登入失敗'),
            content: Text('使用者名稱或密碼不正確'),
            actions: [
              TextButton(
                onPressed: () {
                  Navigator.of(context).pop(); // 關閉對話方塊
                },
                child: Text('確定'),
              ),
            ],
          );
        },
      );
    }
  }
}