安卓读取数据库mysql数据库

const express = require('express');
const mysql = require('mysql');
const app = express();

const db = mysql.createConnection({
  host: 'your_host',
  user: 'your_user',
  password: 'your_password',
  database: 'your_database'
});

db.connect((err) => {
  if (err) throw err;
  console.log('Connected to MySQL database!');
});

app.get('/data', (req, res) => {
  db.query('SELECT * FROM your_table', (err, results) => {
    if (err) throw err;
    res.json(results);
  });
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});

interface ApiService {
    @GET("data")
    suspend fun getData(): List<YourDataModel>
}

data class YourDataModel(val id: Int, val name: String)

suspend fun fetchData() {
    val retrofit = Retrofit.Builder()
        .baseUrl("http://your_server_url:3000/")
        .addConverterFactory(GsonConverterFactory.create())
        .build()

    val apiService = retrofit.create(ApiService::class.java)
    try {
        val data = apiService.getData()
        // 处理数据
    } catch (e: Exception) {
        // 处理错误
    }
}