基於AndroidStudio開發Android實現簡單的註冊登入 POST方式提交資料
阿新 • • 發佈：2018-12-18
登入佈局頁面
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.example.latitudeandlongitude.latitudeandlongitude.MainActivity"> <EditText android:id="@+id/id" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="78dp" android:ems="10" android:inputType="textPersonName" android:hint="使用者名稱" /> <EditText android:id="@+id/password" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignRight="@+id/id" android:layout_below="@+id/id" android:layout_marginTop="28dp" android:ems="10" android:inputType="textPassword" android:hint="密碼"/> <CheckBox android:id="@+id/check" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/password" android:layout_below="@id/password" android:text="記住使用者名稱和密碼" /> <Button android:id="@+id/register" android:text="註冊" android:layout_marginTop="30dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/password" android:layout_alignLeft="@+id/password"/> <Button android:id="@+id/login" android:text="登入" android:layout_marginTop="30dp" android:layout_below="@id/password" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignRight="@id/password"/> </LinearLayout>
註冊佈局頁面
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <EditText android:id="@+id/id_edit" android:hint="使用者名稱" android:layout_marginTop="50dp" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/password_edit" android:hint="密碼" android:layout_marginTop="10dp" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/password_edit_1" android:hint="確認密碼" android:layout_marginTop="10dp" android:layout_width="match_parent" android:layout_height="wrap_content" /> <EditText android:id="@+id/email_edit" android:hint="郵箱" android:layout_below="@+id/password_edit_1" android:layout_marginTop="10dp" android:layout_width="match_parent" android:layout_height="wrap_content" /> <Button android:id="@+id/register_do" android:layout_width="wrap_content" android:layout_height="wrap_content" android:onClick="click1" android:text="註冊" /> </LinearLayout>
登入頁面邏輯
package com.example.latitudeandlongitude.latitudeandlongitude; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import javax.security.auth.login.LoginException; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.support.v4.widget.SimpleCursorAdapter.ViewBinder; import android.text.TextUtils; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener{ private EditText id; private EditText password; private Button login; private Button register; public CheckBox cb; private String username; private String pwd; private SharedPreferences sp; private String result; private int RequestCode = 1; @Override protected void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); id = (EditText) findViewById(R.id.id); password = (EditText) findViewById(R.id.password); login = (Button) findViewById(R.id.login); //register.setOnClickListener(this); login.setOnClickListener(this); register = (Button) findViewById(R.id.register); register.setOnClickListener(this); cb = (CheckBox) findViewById(R.id.check); sp = getSharedPreferences("config", 0); //將資料顯示到UI控制元件 //把config.xml檔案中的資料取出來顯示到EditText控制元件中 //如果沒找到key鍵對應的值，會返回第二個預設的值 String username = sp.getString("username", ""); String password = sp.getString("password", ""); id.setText(username); this.password.setText(password); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if(requestCode==1&&resultCode==2){ id.setText(data.getStringExtra("id")); password.setText(data.getStringExtra("password")); } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.login: username = id.getText().toString().trim(); pwd = password.getText().toString().trim(); if(TextUtils.isEmpty(username)||TextUtils.isEmpty(pwd)){ Toast.makeText(this, "賬號或密碼不能為空",Toast.LENGTH_SHORT).show(); }else{ new Thread(){ public void run(){ try { //設定路徑 String path="http://192.168.1.111:8080/MyWebsite/androidlogin.do"; //建立URL物件 URL url=new URL(path); //建立一個HttpURLConnection物件 HttpURLConnection conn=(HttpURLConnection) url.openConnection(); //設定請求方法 conn.setRequestMethod("POST"); //設定請求超時時間 conn.setReadTimeout(5000); conn.setConnectTimeout(5000); //Post方式不能設定快取，需要手動設定 conn.setUseCaches(false); //設定我們的請求資料 String data="id="+username+"&password="+pwd; conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");//使用的是表單請求型別 conn.setRequestProperty("Content-Length", data.length()+""); conn.setDoOutput(true); conn.getOutputStream().write(data.getBytes()); // //連線 // conn.connect(); // //獲取一個輸出流 // OutputStream out=conn.getOutputStream(); // out.write(data.getBytes()); //獲取伺服器返回的狀態嗎 int code=conn.getResponseCode(); if(code==200){ //獲取伺服器返回的輸入流物件 InputStream in= conn.getInputStream(); result = StringTools.readStream(in); //更新UI runOnUiThread(new Runnable() { @Override public void run() { if(result.equals("success")) // TODO Auto-generated method stub Toast.makeText(getApplicationContext(), "登入成功", Toast.LENGTH_SHORT).show(); Intent intent = new Intent(); intent.setClassName("com.example.latitudeandlongitude.latitudeandlongitude", "com.example.latitudeandlongitude.latitudeandlongitude.LocationActivity"); startActivity(intent); } }); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }; }.start(); if(cb.isChecked()){//判斷是否勾選 //使用sharePreferences區儲存資料 拿到sp例項 //引數： name生成xml檔案 //mode 模式 //獲取sp的編輯器 Editor editor=sp.edit(); //儲存使用者輸入的資料 editor.putString("username", username); editor.putString("password", pwd); //提交editor editor.commit(); } } break; case R.id.register: //跳轉到登入頁面 Intent intent=new Intent(this,RegisterActivity.class); startActivityForResult(intent,RequestCode); break; default: break; } } }
註冊頁面邏輯
package com.example.latitudeandlongitude.latitudeandlongitude;
import android.app.Activity;
import android.view.View;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
/**
* Created by zhangwenhiu on 2018/10/28.
*/
public class RegisterActivity extends Activity implements View.OnClickListener{
private Button register;
private EditText id;
private EditText pwd_1;
private EditText pwd_2;
private EditText emails;
private String result;
private String username;
private String pwd1;
private String email;
private String pwd2;
private int ResultCode=2;
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
register = (Button) findViewById(R.id.register_do);
register.setOnClickListener(this);
id = (EditText) findViewById(R.id.id_edit);
pwd_1 = (EditText) findViewById(R.id.password_edit);
pwd_2 = (EditText) findViewById(R.id.password_edit_1);
emails = (EditText) findViewById(R.id.email_edit);
}
@Override
public void onClick(final View v) {
new Thread(){public void run() {
switch (v.getId()) {
case R.id.register_do:
username = id.getText().toString().trim();
email = emails.getText().toString().trim();
pwd1 = pwd_1.getText().toString().trim();
pwd2 = pwd_2.getText().toString().trim();
//System.out.println("email:"+email);
if(!pwd1.equals(pwd2)){
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(), "兩次輸入密碼不一致，請重新輸入！", Toast.LENGTH_SHORT).show();
}
});
}else {
try {
//設定路徑
String path="http://192.168.1.111:8080/MyWebsite/androidregister.do";
//?id="+username+"&password=" + pwd1+ "&email=" +email+"
//建立URL物件
URL url=new URL(path);
//建立一個HttpURLconnection物件
HttpURLConnection conn =(HttpURLConnection) url.openConnection();
//設定請求方法
conn.setRequestMethod("POST");
//設定請求超時時間
conn.setReadTimeout(5000);
//conn.setConnectTimeout(5000);
//Post方式不能設定快取，需要手動設定
//conn.setUseCaches(false);
//準備要傳送的資料
String data ="id="+URLEncoder.encode(username,"utf-8")+"&password="+URLEncoder.encode(pwd1,"utf-8")+"&email="+URLEncoder.encode(email,"utf-8");
//String data ="id="+ username +"&password="+ pwd1 +"&email="+ email+"";
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");//使用的是表單請求型別
conn.setRequestProperty("Content-Length", data.length()+"");
conn.setDoInput(true);
conn.setDoOutput(true);
//連線
// conn.connect();
//獲得返回的狀態碼
conn.getOutputStream().write(data.getBytes());
int code=conn.getResponseCode();
if(code==200){
//獲得一個檔案的輸入流
InputStream inputStream= conn.getInputStream();
result = StringTools.readStream(inputStream);
//更新UI
showToast(result);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
break;
default:
break;
}
};}.start();
}
public void showToast(final String content){
runOnUiThread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
if(result.equals("success")){
Toast.makeText(getApplicationContext(), "註冊成功", Toast.LENGTH_SHORT).show();
Intent intent=new Intent();
intent.putExtra("id", username);
intent.putExtra("password", pwd1);
setResult(ResultCode, intent);
finish();
}
}
});
}
}
執行截圖
