安卓数据库换成mysql

implementation 'com.squareup.retrofit2:retrofit:2.9.0'
implementation 'com.squareup.retrofit2:converter-gson:2.9.0'

import retrofit2.Call;
import retrofit2.http.GET;

public interface ApiService {
    @GET("data")
    Call<List<DataModel>> getData();
}

import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class ApiClient {
    private static final String BASE_URL = "https://yourserver.com/api/";
    private static Retrofit retrofit = null;

    public static Retrofit getClient() {
        if (retrofit == null) {
            retrofit = new Retrofit.Builder()
                    .baseUrl(BASE_URL)
                    .addConverterFactory(GsonConverterFactory.create())
                    .build();
        }
        return retrofit;
    }
}

ApiService apiService = ApiClient.getClient().create(ApiService.class);
Call<List<DataModel>> call = apiService.getData();
call.enqueue(new Callback<List<DataModel>>() {
    @Override
    public void onResponse(Call<List<DataModel>> call, Response<List<DataModel>> response) {
        if (response.isSuccessful()) {
            List<DataModel> data = response.body();
            // 处理数据
        } else {
            // 处理错误
        }
    }

    @Override
    public void onFailure(Call<List<DataModel>> call, Throwable t) {
        // 处理失败情况
    }
});