XyApp/src/com/dy/RegisterActivity.java

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package com.dy;

import java.net.URLEncoder;
import com.dy.HttpUtil;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class RegisterActivity extends Activity {
	// 声明登录、取消按钮
	private Button Btn1;
	// 声明用户名、密码输入框
	private EditText userName,pwd,phone,address;
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		// 设置标题
		// 设置当前Activity界面布局
		setContentView(R.layout.register);
		// 通过findViewById方法实例化组件
		Btn1 = (Button)findViewById(R.id.registerButton1);
		// 通过findViewById方法实例化组件
		// 通过findViewById方法实例化组件
		userName = (EditText)findViewById(R.id.userName);
		// 通过findViewById方法实例化组件
		pwd = (EditText)findViewById(R.id.pwd);
		phone = (EditText)findViewById(R.id.phone);
		address = (EditText)findViewById(R.id.address);
		
		Btn1.setOnClickListener(new OnClickListener() {
			public void onClick(View v) {
				try {
					
					if(userName.getText()!=null&&pwd.getText()!=null&&phone.getText()!=null&&address.getText()!=null){
							String url = HttpUtil.BASE_URL
									+ "QRegisterServlet?no="
									+ URLEncoder.encode(
											URLEncoder.encode(userName.getText().toString(), "UTF-8"), "UTF-8")+"&password="
											+ URLEncoder.encode(
											URLEncoder.encode(pwd.getText().toString(), "UTF-8"), "UTF-8")+"&phone="
													+ URLEncoder.encode(
															URLEncoder.encode(phone.getText().toString(), "UTF-8"), "UTF-8")+"&realname="
																	+ URLEncoder.encode(
																			URLEncoder.encode(address.getText().toString(), "UTF-8"), "UTF-8");
							// 查询返回结果
							String result = HttpUtil.queryStringForPost(url);
							if(result.equals("1")){
								Toast.makeText(getApplicationContext(), "注册成功", 1).show();
								Intent intent = new Intent();
								intent.setClass(RegisterActivity.this,
										LoginActivity.class);
								startActivity(intent);
							}else if(result.equals("2")){