ps7f9p4jb/app/src/main/java/hunnu/sj/raise_money/SignInActivity.java

package hunnu.sj.raise_money;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.EditText;


import hunnu.sj.raise_money.DataBase.UserService;

public class SignInActivity extends AppCompatActivity {
    public static final String IS_SIGNIN = "is.user.sign.in";
    public static final int SEND = 0;
    EditText usnm;
    EditText pswd;
    User user;
    Handler mHandler  = new Handler(){
        int flag = -1;
        @Override
        public void handleMessage(@NonNull Message msg) {
            super.handleMessage(msg);
            String txt;
            switch (msg.what){
                case 0:
                    flag = 0;
                    txt = (String) msg.obj;
                    usnm.setError(txt);
                    break;
                case 1:
                    flag = 1;
                    txt = (String) msg.obj;
                    pswd.setError(txt);
                    break;
            }

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

    public void user_commit(View view){
        usnm = findViewById(R.id.user_name);
        pswd = findViewById(R.id.pass_word);
        new LoginThread().start();
    }

    public void onToRegister(View view){
        Intent intent = new Intent(this,RegiteActivity.class);
        startActivity(intent);
    }

    class LoginThread extends Thread{
        @Override
        public void run() {
            int flag = -1;
            String name = usnm.getText().toString();
            String pasd = pswd.getText().toString();
            UserService uService = new UserService();
            flag = uService.login(name,pasd);
            Message message = mHandler.obtainMessage();
            if(flag==0){
                message.what = 0;
                message.obj = "用户名不存在";
                mHandler.sendMessage(message);
            }else if(flag==1){
                message.what = 1;
                message.obj = "密码错误";
                mHandler.sendMessage(message);
            }else{
            User user = new User();
            user.setName(name);
            user.setPasd(pasd);
            String role = uService.getRole(name);
            user.setRole(role);
            Bundle bundle = new Bundle();
            bundle.putSerializable("user",user);
            Intent intent =new Intent(SignInActivity.this,MainActivity.class);
            intent.putExtras(bundle);
            startActivity(intent);
            finish();
            }
        }
    }
}