MainActivity多线程的实现：
package com.example.loginconnect;
import java.lang.ref.WeakReference;
import java.net.SocketTimeoutException;
import org.apache.http.conn.ConnectTimeoutException;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.example.loginconnect.service.ServiceRulesException;
import com.example.loginconnect.service.UserService;
import com.example.loginconnect.service.UserServiceImpl;
public class MainActivity extends ActionBarActivity {
private EditText username1;
private EditText password1;
private UserService userService = new UserServiceImpl();
private static final int FLAG_LOGIN_SUCCESS = 1;
private static final String MSG_LOGIN_ERROR = "登录出错。";
private static final String MSG_LOGIN_SUCCESS = "登录成功。";
public static final String MSG_LOGIN_FAILED = "用户名或密码错误。";
public static final String MSG_SERVER_ERROR = "请求服务器错误。";
public static final String MSG_SERVER_TIMEOUT = "请求服务器超时。";
public static final String MSG_RESPONCE_TIMEOUT = "服务器响应超时。";
private static ProgressDialog dialog;
public static String loginName;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button login = (Button) findViewById(R.id.login);
Button resign = (Button) findViewById(R.id.resign);
username1 = (EditText) findViewById(R.id.username);
password1 = (EditText) findViewById(R.id.password);
login.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
loginName = username1.getText().toString();
final String loginPassword = password1.getText().toString();
// Toast.makeText(v.getContext(), "用户名："+username,
// Toast.LENGTH_LONG).show();
// Toast.makeText(v.getContext(), "密码："+password,
// Toast.LENGTH_LONG).show();
/**
* loading...
*/
if (dialog == null) {
dialog = new ProgressDialog(MainActivity.this);
}
dialog.setTitle("请等待");
dialog.setMessage("登录中...");
dialog.setCancelable(false);
dialog.show();
/**
* 子线程
*/
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
userService.userLogin(loginName, loginPassword);
handler.sendEmptyMessage(FLAG_LOGIN_SUCCESS);
} catch (ConnectTimeoutException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", MSG_SERVER_TIMEOUT);
msg.setData(data);
handler.sendMessage(msg);
} catch (SocketTimeoutException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg",
MSG_RESPONCE_TIMEOUT);
msg.setData(data);
handler.sendMessage(msg);
} catch (ServiceRulesException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", e.getMessage());
msg.setData(data);
handler.sendMessage(msg);
} catch (Exception e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", MSG_LOGIN_ERROR);
msg.setData(data);
handler.sendMessage(msg);
}
}
});
thread.start();
}
});
resign.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this,
ResignActivity.class);
startActivity(intent);
finish();
}
});
}
private void showTip(String str) {
Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
if (str == MSG_LOGIN_SUCCESS) {
Intent intent = new Intent(MainActivity.this, success.class);
startActivity(intent);
finish();
}
}
private static class IHandler extends Handler {
private final WeakReference<ActionBarActivity> mActivity;
public IHandler(MainActivity activity) {
mActivity = new WeakReference<ActionBarActivity>(activity);
}
@Override
public void handleMessage(Message msg) {
if (dialog != null) {
dialog.dismiss();
}
int flag = msg.what;
switch (flag) {
case 0:
String errorMsg = (String) msg.getData().getSerializable(
"ErrorMsg");
((MainActivity) mActivity.get()).showTip(errorMsg);
break;
case FLAG_LOGIN_SUCCESS:
((MainActivity) mActivity.get()).showTip(MSG_LOGIN_SUCCESS);
break;
default:
break;
}
}
}
private IHandler handler = new IHandler(this);
public String setUserName(String username) {
username = loginName;
return username;
}
}
UserService 接口：
package com.example.loginconnect.service;
import org.json.JSONObject;
public interface UserService {
public void userLogin(String loginName, String loginPassword)
throws Exception;
public void userResign(String loginName, String loginPassword,String surePassword,
String realName, String cellphone1, String cellphone2,
String cellphone3) throws Exception;
public JSONObject selectUser(String loginName, String realname,
String cellphone1, String cellphone2, String cellphone3)
throws Exception;
}
UserServiceImpl 继承自UserService ，实现与服务器交互：
package com.example.loginconnect.service;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;
import android.content.Context;
import android.util.Log;
import android.widget.Toast;
import com.example.loginconnect.MainActivity;
import com.example.loginconnect.ResignActivity;
import com.example.loginconnect.success;
import com.google.gson.Gson;
public class UserServiceImpl implements UserService {
private static final String TAG = "UserServiceImpl";
// MainActivity person=new MainActivity();
@Override
public void userLogin(String loginName, String loginPassword)
throws Exception {
Log.d(TAG, loginName);
Log.d(TAG, loginPassword);
// Thread.sleep(3000);
// 创建http对象
HttpClient client = new DefaultHttpClient();
/**
* post/json传值
*/
// String uri =
// "http://10.138.108.131:8080/Test_MyService/login.action?username="
// + loginName + "&password=" + loginPassword;
// HttpGet get = new HttpGet(uri);
// 响应
// HttpResponse response = client.execute(get);
String uri = "http://192.168.1.106:8080/MyService/login.action";
HttpParams httpParams = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParams, 5000);
HttpConnectionParams.setSoTimeout(httpParams, 5000);
HttpPost post = new HttpPost(uri);
List<NameValuePair> pair = new ArrayList<NameValuePair>();
try {
JSONObject obj = new JSONObject();
obj.put("username", loginName);
obj.put("password", loginPassword);
// JSONObject json = new JSONObject();
// Gson gson = new Gson();
// String str = gson.toJson(obj);
pair.add(new BasicNameValuePair("json", obj.toString()));
post.setEntity(new UrlEncodedFormEntity(pair, HTTP.UTF_8));
post.setParams(httpParams);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
// String result = EntityUtils.toString(response.getEntity(),
// "UTF-8");
// System.out.println(result);
String responseStr = EntityUtils.toString(response.getEntity());
JSONObject json = new JSONObject(responseStr).getJSONObject("json");
String result = json.getString("result");
Log.d(TAG, result);
if (result.equals("success")) {
// return true;
} else {
// return false;
throw new ServiceRulesException(MainActivity.MSG_LOGIN_FAILED);
}
} else {
throw new ServiceRulesException(MainActivity.MSG_SERVER_ERROR);
}
// int statusCode = response.getStatusLine().getStatusCode();
// if (statusCode != HttpStatus.SC_OK) {
// throw new ServiceRulesException(MainActivity.MSG_SERVER_ERROR);
// }
// String result = EntityUtils.toString(response.getEntity(), "UTF-8");
//
// if (result.equals("success")) {
//
// } else {
// throw new ServiceRulesException(MainActivity.MSG_LOGIN_FAILED);
// }
}
@Override
public void userResign(String loginName, String loginPassword,
String surePassword, String realName, String cellphone1,
String cellphone2, String cellphone3) throws Exception {
// if(loginPassword==surePassword){
// }else{
// throw new ServiceRulesException(ResignActivity.MSG_RESIGN_FAILED2);
// }
// Thread.sleep(3000);
// 创建http对象
/**
* GET 传值
*/
// String uri =
// "http://10.138.106.30:8080/MyService/regist.action?username="
// + loginName
// + "&password="
// + loginPassword
// + "&realName="
// + realName
// + "&cellphone1="
// + cellphone1
// + "&cellphone2="
// + cellphone2 + "&cellphone3=" + cellphone3;
// http://10.138.108.131:8080/Test_MyService/login.action
String uri = "http://192.168.1.106:8080/MyService/regist.action";
HttpClient client = new DefaultHttpClient();
HttpParams httpParams = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParams, 5000);
HttpConnectionParams.setSoTimeout(httpParams, 5000);
HttpPost post = new HttpPost(uri);
List<NameValuePair> pair = new ArrayList<NameValuePair>();
try {
JSONObject obj = new JSONObject();
obj.put("username", loginName);
obj.put("password", loginPassword);
obj.put("realname", realName);
obj.put("cellphone1", cellphone1);
obj.put("cellphone2", cellphone2);
obj.put("cellphone3", cellphone3);
// Gson gson = new Gson();
// String str = gson.toJson(obj);
pair.add(new BasicNameValuePair("json", obj.toString()));
post.setEntity(new UrlEncodedFormEntity(pair, HTTP.UTF_8));
post.setParams(httpParams);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
String responseStr = EntityUtils.toString(response.getEntity());
JSONObject json = new JSONObject(responseStr).getJSONObject("json");
String result = json.getString("result");
if (result.equals("success")) {
} else {
throw new ServiceRulesException(
ResignActivity.MSG_RESIGN_FAILED);
}
}
// 响应
// HttpResponse response = client.execute(get);
// int statusCode = response.getStatusLine().getStatusCode();
// if (statusCode != HttpStatus.SC_OK) {
// throw new ServiceRulesException(ResignActivity.MSG_SERVER_ERROR);
// }
// String result = EntityUtils.toString(response.getEntity(), "UTF-8");
//
// if (result.equals("success")) {
//
// } else {
// throw new ServiceRulesException(ResignActivity.MSG_RESIGN_FAILED);
// }
}
public JSONObject selectUser(String loginName, String realname,
String cellphone1, String cellphone2, String cellphone3)
throws Exception {
String userName = "tom";
// userName = person.setUserName(userName);
// Thread.sleep(3000);
// 创建http对象
HttpClient client = new DefaultHttpClient();
String uri = "http://192.168.1.106:8080/MyService/select.action";
HttpParams httpParams = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParams, 5000);
HttpConnectionParams.setSoTimeout(httpParams, 5000);
HttpPost post = new HttpPost(uri);
List<NameValuePair> pair = new ArrayList<NameValuePair>();
try {
JSONObject obj = new JSONObject();
obj.put("username", userName);
pair.add(new BasicNameValuePair("json", obj.toString()));
post.setEntity(new UrlEncodedFormEntity(pair, HTTP.UTF_8));
post.setParams(httpParams);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
HttpResponse response = client.execute(post);
if (response.getStatusLine().getStatusCode() == 200) {
String responseStr = EntityUtils.toString(response.getEntity());
JSONObject json1 = new JSONObject(responseStr)
.getJSONObject("json");
JSONObject object = json1.getJSONObject("user");
return object;
} else {
throw new ServiceRulesException(success.MSG_SERVER_ERROR);
}
}
}
ResignActivity 类实现注册的功能：
package com.example.loginconnect;
import java.lang.ref.WeakReference;
import java.net.SocketTimeoutException;
import org.apache.http.conn.ConnectTimeoutException;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.example.loginconnect.service.ServiceRulesException;
import com.example.loginconnect.service.UserService;
import com.example.loginconnect.service.UserServiceImpl;
public class ResignActivity extends ActionBarActivity {
private EditText account;
private EditText password;
private EditText sure_password;
private EditText realname;
private EditText phone1;
private EditText phone2;
private EditText phone3;
private static ProgressDialog dialog;
private UserService userService = new UserServiceImpl();
private static final int FLAG_RESIGN_SUCCESS = 1;
private static final String MSG_RESIGN_ERROR = "注册出错。";
private static final String MSG_RESIGN_SUCCESS = "注册成功。";
public static final String MSG_RESIGN_FAILED = "输入出现错误。";
public static final String MSG_RESIGN_FAILED2 = "密码输入错误。";
public static final String MSG_SERVER_ERROR = "请求服务器错误。";
public static final String MSG_SERVER_TIMEOUT = "请求服务器超时。";
public static final String MSG_RESPONCE_TIMEOUT = "服务器响应超时。";
@Override
protected void onCreate(Bundle savedInsanceState) {
super.onCreate(savedInsanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.resign);
account = (EditText) findViewById(R.id.account);
password = (EditText) findViewById(R.id.password);
sure_password = (EditText) findViewById(R.id.sure_password);
realname = (EditText) findViewById(R.id.name);
phone1 = (EditText) findViewById(R.id.phone1);
phone2 = (EditText) findViewById(R.id.phone2);
phone3 = (EditText) findViewById(R.id.phone3);
Button register = (Button) findViewById(R.id.register);
register.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
final String loginName = account.getText().toString();
final String loginPassword = password.getText().toString();
final String surePassword = sure_password.getText().toString();
final String realName = realname.getText().toString();
final String cellphone1 = phone1.getText().toString();
final String cellphone2 = phone2.getText().toString();
final String cellphone3 = phone3.getText().toString();
/**
* loading...
*/
if (dialog == null) {
dialog = new ProgressDialog(ResignActivity.this);
}
dialog.setTitle("请等待");
dialog.setMessage("注册中...");
dialog.setCancelable(false);
dialog.show();
/**
* 子线程
*/
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
userService.userResign(loginName, loginPassword,
surePassword, realName, cellphone1,
cellphone2, cellphone3);
handler.sendEmptyMessage(FLAG_RESIGN_SUCCESS);
} catch (ConnectTimeoutException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", MSG_SERVER_TIMEOUT);
msg.setData(data);
handler.sendMessage(msg);
} catch (SocketTimeoutException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg",
MSG_RESPONCE_TIMEOUT);
msg.setData(data);
handler.sendMessage(msg);
}catch (ServiceRulesException e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", e.getMessage());
msg.setData(data);
handler.sendMessage(msg);
} catch (Exception e) {
e.printStackTrace();
Message msg = new Message();
Bundle data = new Bundle();
data.putSerializable("ErrorMsg", MSG_RESIGN_ERROR);
msg.setData(data);
handler.sendMessage(msg);
}
}
});
thread.start();
}
});
}
private void showTip(String str) {
Toast.makeText(this, str, Toast.LENGTH_SHORT).show();
if (str == MSG_RESIGN_SUCCESS) {
Intent intent = new Intent(ResignActivity.this, MainActivity.class);
startActivity(intent);
finish();
}
}
private static class IHandler extends Handler {
private final WeakReference<ActionBarActivity> mActivity;
public IHandler(ResignActivity activity) {
mActivity = new WeakReference<ActionBarActivity>(activity);
}
@Override
public void handleMessage(Message msg) {
if (dialog != null) {
dialog.dismiss();
}
int flag = msg.what;
switch (flag) {
case 0:
String errorMsg = (String) msg.getData().getSerializable(
"ErrorMsg");
((ResignActivity) mActivity.get()).showTip(errorMsg);
break;
case FLAG_RESIGN_SUCCESS:
((ResignActivity) mActivity.get()).showTip(MSG_RESIGN_SUCCESS);
break;
default:
break;
}
}
}
private IHandler handler = new IHandler(this);
}
ServiceRulesException 异常类：
package com.example.loginconnect.service;
public class ServiceRulesException extends Exception {
/**
* 抛异常
*/
private static final long serialVersionUID = -4213152538874245667L;
public ServiceRulesException(String message){
super(message);
}
}
布局文件：
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/screen" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" android:background="@drawable/background_login"> <LinearLayout android:id="@+id/loginPanel" android:layout_width="400dp" android:layout_height="300dp" android:layout_centerHorizontal="true" android:layout_marginTop="50dp" android:background="@drawable/background_login_div" android:orientation="vertical" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:text="为您的出行提供保障" android:layout_marginTop="15dp" android:textSize="25dp"/> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:layout_marginTop="10dp" android:text="请先登录" /> <EditText android:id="@+id/username" android:layout_width="match_parent" android:layout_height="50dp" android:layout_marginLeft="50dp" android:layout_marginRight="50dp" android:layout_marginTop="15dp" android:singleLine="true" android:background="@drawable/qq_edit_login" android:hint="请输入您的用户名" android:ems="10" > <requestFocus /> </EditText> <EditText android:id="@+id/password" android:layout_width="match_parent" android:layout_height="50dp" android:layout_marginLeft="50dp" android:layout_marginRight="50dp" android:layout_marginTop="15dp" android:singleLine="true" android:password="true" android:background="@drawable/qq_edit_login" android:hint="请输入您的密码" android:ems="10" /> <Button android:id="@+id/login" android:layout_width="150dp" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:layout_marginTop="18dp" android:text="登陆" android:background="@drawable/background_button_div"/> </LinearLayout> <Button android:id="@+id/resign" android:layout_width="150dp" android:layout_height="wrap_content" android:layout_alignRight="@+id/loginPanel" android:layout_below="@+id/loginPanel" android:layout_marginTop="18dp" android:background="@drawable/background_button_div" android:text="快速注册" /> <TextView android:id="@+id/textView3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBaseline="@+id/resign" android:layout_alignBottom="@+id/resign" android:layout_toLeftOf="@+id/resign" android:text="没有账号？请先注册" /> </RelativeLayout>
服务器端：
package com.login; import java.io.IOException; import java.sql.ResultSet; import java.sql.SQLException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; import org.json.JSONException; import org.json.JSONObject; import com.dao.JdbcConnect; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport implements ServletRequestAware, ServletResponseAware { private static final long serialVersionUID = 1L; HttpServletRequest request; HttpServletResponse response; private String username; private String password; private String realname; private String cellphone1; private String cellphone2; private String cellphone3; public void setServletRequest(HttpServletRequest request) { this.request = request; } public void setServletResponse(HttpServletResponse response) { this.response = response; } public void setUsername(String username) { this.username = username; } public void setPassword(String password) { this.password = password; } public void insert() throws SQLException, IOException, ClassNotFoundException { this.response.setContentType("text/html;charset=utf-8"); this.response.setCharacterEncoding("UTF-8"); String key = this.request.getParameter("json").toString(); System.out.println(key); try { JSONObject obj = new JSONObject(key); username = obj.getString("username"); password = obj.getString("password"); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } // 测试 // System.out.println(username + " " + password); JdbcConnect.getConnection(); String sql = "select * from userinfo where username='" + username + "' and password ='" + password + "'"; ResultSet rS = JdbcConnect.executeQuery(sql); // 测试 System.out.println(username + " " + password); try { JSONObject obj2 = new JSONObject(); JSONObject result = new JSONObject(); // PrintWriter out = response.getWriter(); if (rS.next()) { obj2.put("result", "success"); result.put("json", obj2); response.getWriter().write(result.toString()); // out.print("success"); System.out.println(result); } else { obj2.put("result", "failed"); result.put("json", obj2); response.getWriter().write(result.toString()); // out.print("failed"); System.out.println(result); } // if (out != null) { // out.close(); // } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void regist() throws SQLException, IOException, ClassNotFoundException { JdbcConnect.getConnection(); this.response.setContentType("text/html;charset=utf-8"); this.response.setCharacterEncoding("UTF-8"); this.request.setCharacterEncoding("UTF-8"); String key = this.request.getParameter("json").toString(); System.out.println(key); try { JSONObject obj = new JSONObject(key); username = obj.getString("username"); password = obj.getString("password"); realname = obj.getString("realname"); cellphone1 = obj.getString("cellphone1"); cellphone2 = obj.getString("cellphone2"); cellphone3 = obj.getString("cellphone3"); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } // username = this.request.getParameter("username"); // password = this.request.getParameter("password"); // realname = this.request.getParameter("realname"); // cellphone1 = this.request.getParameter("cellphone1"); // cellphone2 = this.request.getParameter("cellphone2"); // cellphone3 = this.request.getParameter("cellphone3"); if (username == null && password == null && realname == null && cellphone1 == null) { throw new IOException(); } System.out.println(username + " " + password); String sql = "insert into userinfo(username,password,realname,cellphone1,cellphone2,cellphone3) values('" + username + "','" + password + "','" + realname + "','" + cellphone1 + "','" + cellphone2 + "','" + cellphone3 + "')"; int flag = JdbcConnect.executeUpdate(sql); JSONObject obj2 = new JSONObject(); JSONObject result = new JSONObject(); // PrintWriter out = response.getWriter(); try { if (flag > -1) { obj2.put("result", "success"); result.put("json", obj2); response.getWriter().write(result.toString()); System.out.println(result); } else { obj2.put("result", "failed"); result.put("json", obj2); response.getWriter().write(result.toString()); System.out.println(result); } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } // if (out != null) { // out.close(); // } } public void selectUser() throws SQLException, IOException, ClassNotFoundException { this.response.setContentType("text/html;charset=utf-8"); this.response.setCharacterEncoding("UTF-8"); String key = this.request.getParameter("json").toString(); try { JSONObject obj3 = new JSONObject(key); username = obj3.getString("username"); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } ResultSet rs = null; String sql = "select * from userinfo where username='" + username + "'"; try { JdbcConnect.getConnection(); rs = JdbcConnect.executeQuery(sql); if (rs.next()) { JSONObject user = new JSONObject(); user.put("username", rs.getString("username")); user.put("realname", rs.getString("realname")); user.put("cellphone1", rs.getString("cellphone1")); user.put("cellphone2", rs.getString("cellphone2")); user.put("cellphone3", rs.getString("cellphone3")); JSONObject tem = new JSONObject(); JSONObject temp = new JSONObject(); tem.put("user", user); temp.put("json", tem); response.getWriter().write(temp.toString()); System.out.println(user); System.out.println(temp); } else { } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } }