Android实现简单的注册登录 POST方式提交数据 基于AndroidStudio开发
登录布局页面
注册布局页面
登录页面逻辑
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);
//将数据显示到UI控件
//把config.xml文件中的数据取出来显示到EditText控件中
//如果没找到key键对应的值，会返回第二个默认的值
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, "账号或密码不能为空",Toast.LENGTH_SHORT).show();
}else{
new Thread(){
public void run(){
try {
//设置路径
String path="http://192.168.1.111:8080/MyWebsite/androidlogin.do";
//创建URL对象
URL url=new URL(path);
//创建一个HttpURLConnection对象
HttpURLConnection conn=(HttpURLConnection) url.openConnection();
//设置请求方法
conn.setRequestMethod("POST");
//设置请求超时时间
conn.setReadTimeout(5000);
conn.setConnectTimeout(5000);
//Post方式不能设置缓存，需要手动设置
conn.setUseCaches(false);
//设置我们的请求数据
String data="id="+username+"&password="+pwd;
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");//使用的是表单请求类型
conn.setRequestProperty("Content-Length", data.length()+"");
conn.setDoOutput(true);
conn.getOutputStream().write(data.getBytes());
// //连接
// conn.connect();
// //获取一个输出流
// OutputStream out=conn.getOutputStream();
// out.write(data.getBytes());
//获取服务器返回的状态吗
int code=conn.getResponseCode();
if(code==200){
//获取服务器返回的输入流对象
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(), "登录成功", 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()){//判断是否勾选
//使用sharePreferences区保存数据 拿到sp实例
//参数： name生成xml文件
//mode 模式
//获取sp的编辑器
Editor editor=sp.edit();
//存储用户输入的数据
editor.putString("username", username);
editor.putString("password", pwd);
//提交editor
editor.commit();
}
}
break;
case R.id.register:
//跳转到登录页面
Intent intent=new Intent(this,RegisterActivity.class);
startActivityForResult(intent,RequestCode);
break;
default:
break;
}
}
}
注册页面逻辑
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(), "两次输入密码不一致，请重新输入！", Toast.LENGTH_SHORT).show();
}
});
}else {
try {
//设置路径
String path="http://192.168.1.111:8080/MyWebsite/androidregister.do";
//?id="+username+"&password=" + pwd1+ "&email=" +email+"
//创建URL对象
URL url=new URL(path);
//创建一个HttpURLconnection对象
HttpURLConnection conn =(HttpURLConnection) url.openConnection();
//设置请求方法
conn.setRequestMethod("POST");
//设置请求超时时间
conn.setReadTimeout(5000);
//conn.setConnectTimeout(5000);
//Post方式不能设置缓存，需要手动设置
//conn.setUseCaches(false);
//准备要发送的数据
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");//使用的是表单请求类型
conn.setRequestProperty("Content-Length", data.length()+"");
conn.setDoInput(true);
conn.setDoOutput(true);
//连接
// conn.connect();
//获得返回的状态码
conn.getOutputStream().write(data.getBytes());
int code=conn.getResponseCode();
if(code==200){
//获得一个文件的输入流
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(), "注册成功", Toast.LENGTH_SHORT).show();
Intent intent=new Intent();
intent.putExtra("id", username);
intent.putExtra("password", pwd1);
setResult(ResultCode, intent);
finish();
}
}
});
}
}
运行截图
登录注册demohttps://download.csdn.net/download/xietete/10750331