简单登录注册

登录页面MainActivity
package swl.bwie.com.zuoye2;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private EditText moblie, pwd;
    private Button login, updata;
    private String loginmobile;
    private String loginpassword;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        moblie = findViewById(R.id.moblie);
        pwd = findViewById(R.id.pwd);


        login = findViewById(R.id.login);
        updata = findViewById(R.id.updata);


        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                loginmobile = moblie.getText().toString();
                loginpassword = pwd.getText().toString();
                initLogin();
            }
        });

        updata.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(MainActivity.this,ZhuceActivity.class));
                finish();
            }
        });

    }
    private void initLogin() {
        HttpUtil.getRequest("http://120.27.23.105/user/login?mobile=" + loginmobile + "&password=" + loginpassword,
                MobileBean.class, new HttpUtil.CallBack() {
                    @Override
                    public void getdata(MobileBean mobileBean) {
//                        String mobile = mobileBean.getData().getMobile();
//                        String password = mobileBean.getData().getPassword();
//                        mobile.equals(loginmobile) && password.equals(loginpassword)

                        if (mobileBean.getMsg().equals("登录成功")) {
                            Toast.makeText(MainActivity.this, mobileBean.getMsg(), Toast.LENGTH_SHORT).show();
                            startActivity(new Intent(MainActivity.this,LoginActivity.class));
                            finish();
                        }else{
                            Toast.makeText(MainActivity.this,"请重新验证登录信息！！", Toast.LENGTH_SHORT).show();
                        }

                    }

                });
    }

}
登录页面的Xml布局



    
    
    
    



注册页面ZhuceActivity
package swl.bwie.com.zuoye2;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class ZhuceActivity extends AppCompatActivity {

    private EditText moblie, pwd;
    private Button updata;
    private String updatamobile;
    private String updatapassword;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_zhuce);
        moblie = findViewById(R.id.moblie);
        pwd = findViewById(R.id.pwd);

        updata = findViewById(R.id.updata);

        updata.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                updatamobile = moblie.getText().toString();
                updatapassword = pwd.getText().toString();
                initData();
            }


        });

    }
    private void initData() {

        HttpUtil.getRequest("http://120.27.23.105/user/reg?mobile=" + updatamobile + "&password=" + updatapassword,
                MobileBean.class, new HttpUtil.CallBack() {
                    @Override
                    public void getdata(MobileBean mobileBean) {
                        if(mobileBean.getMsg().equals("注册成功")){
                            Toast.makeText(ZhuceActivity.this, mobileBean.getMsg(), Toast.LENGTH_SHORT).show();
                            startActivity(new Intent(ZhuceActivity.this,MainActivity.class));
                            finish();
                        }else{
                            Toast.makeText(ZhuceActivity.this,"请重新验证注册信息！！", Toast.LENGTH_SHORT).show();
                        }
                    }

                });

    }

}

注册页面的Xml布局


    
    
    


Bean
package swl.bwie.com.zuoye2;

public class MobileBean {
    private String msg;
    private String code;
    private DataBean data;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public DataBean getData() {
        return data;
    }

    public void setData(DataBean data) {
        this.data = data;
    }

    public static class DataBean {

        private String mobile;
        private String password;

        public String getMobile() {
            return mobile;
        }

        public void setMobile(String mobile) {
            this.mobile = mobile;
        }

        public String getPassword() {
            return password;
        }

        public void setPassword(String password) {
            this.password = password;
        }
    }
}

工具类
package swl.bwie.com.zuoye2;

import android.os.AsyncTask;

import com.google.gson.Gson;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpUtil {
    public interface CallBack{
        void getdata(T t);
    }

    public static void getRequest(final String urlstr, final Class clazz, final CallBack callBack){
        new AsyncTask() {
            @Override
            protected Object doInBackground(String... strings) {
                return HttpUtil.getRequest(strings[0],clazz);
            }

            @Override
            protected void onPostExecute(Object o) {
                callBack.getdata(o);
            }
        }.execute(urlstr);

    }


    public static  T  getRequest(String urlstr,Class clazz){
        T t = (T) new Gson().fromJson(getRequest(urlstr),clazz);
        return t;
    }


    public static String getRequest(String urlstr){
        String textstring=" ";
        try {
            URL url = new URL(urlstr);
            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
            httpURLConnection.setRequestMethod("GET");
            httpURLConnection.setReadTimeout(5000);
            httpURLConnection.setConnectTimeout(5000);
            int responseCode = httpURLConnection.getResponseCode();
            if(responseCode==200){
                textstring=Stream2String(httpURLConnection.getInputStream());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }


        return textstring;
    }

    private static String Stream2String(InputStream inputStream) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
        StringBuilder stringBuilder = new StringBuilder();
        String str;
        while ((str=bufferedReader.readLine())!=null){
            stringBuilder.append(str);
        }
        bufferedReader.close();
        return stringBuilder.toString();
    }

}