4.30

package com.example.test_one;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

import com.example.test_one.dao.UserDao;
import com.example.test_one.entity.User;

import java.sql.SQLException;

public class route extends AppCompatActivity {

    private EditText routeEditText;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_route);

        // 初始化EditText
        routeEditText = findViewById(R.id.b2);
    }

    public void 线路2(View view) {
        // 获取EditText中的线路信息
        String routeInput = routeEditText.getText().toString();

        try {
            // 将String类型转换为int类型
            int routeInt = Integer.parseInt(routeInput);

            // 创建User对象
            User user = new User();

            // 设置用户的地铁线路
            user.setSubway_Line(routeInt);

            Thread thread = new Thread() {
                @Override
                public void run() {
                    final String result = UserDao.route(user);

                    // 在主线程更新UI
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            TextView resultTextView = findViewById(R.id.b4);
                            resultTextView.setText(result);
                        }
                    });
                }
            };

            thread.start();
        } catch (NumberFormatException e) {
            e.printStackTrace(); // 打印异常信息

        }
    }
}