Android 및 PHP는 간단한 로그인을 구현합니다.

<?php     //post方式，loginName，loginPwd相当于是key
    $name = $_POST[&#39;loginName&#39;];
    $pwd = $_POST[&#39;loginPwd&#39;];
    if($name!="hello"){
        die ("用户名错误！");
    }
    
    if($pwd !="wode"){
        die ("密码错误!");
    }
    
    echo "登录成功！";
    
?>

<?xml  version="1.0" encoding="utf-8"?>
<android.support.constraint.constraintlayout>


    <edittext></edittext>

    <edittext></edittext>

    <button></button>



</android.support.constraint.constraintlayout>

public class MainActivity extends AppCompatActivity {

    String loginUrl = "http://soyoyo.esy.es/login.php";

    EditText etName;
    EditText etPwd;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        etName  = findViewById(R.id.etName);
        etPwd = findViewById(R.id.etPwd);

    }

    // 点击button后执行
    public void doLogin(View view){
        login(etName.getText().toString(),etPwd.getText().toString());
    }

    private void login(String name,String pwd){
        EasyHttp.post(loginUrl)
                .baseUrl(url)
                .params("loginName",name)
                .params("loginPwd", pwd)
                .execute(new CallBack<string>() {

                    @Override
                    public void onStart() {
                        System.out.println("------onStart------");
                    }

                    @Override
                    public void onCompleted() {
                        System.out.println("------onCompleted------");
                    }

                    @Override
                    public void onError(ApiException e) {
                        e.printStackTrace();
                    }

                    @Override
                    public void onSuccess(String s) {
                        System.out.println("------onSuccess------" + s);
                        Toast.makeText(MainActivity.this,s,Toast.LENGTH_SHORT).show();
                    }
                });
    }

}</string>