无线点餐系统android和servlet源代码

package xxe.restrant.login.login; import java.io.FileInputStream; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.TimeoutException; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; 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.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; import xxe.restrant.R; import xxe.restrant.login.Logining; import xxe.restrant.show.ActivityShowFood; import xxe.restrant.show.LineAdapter; import xxe.restrant.utils.FileService; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.ProgressDialog; import android.app.AlertDialog.Builder; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.DialogInterface.OnClickListener; import android.content.SharedPreferences.Editor; import android.os.Bundle; import android.os.CountDownTimer; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.widget.EditText; import android.widget.Toast; /** * * @author /** 用户登录界面 * * * */ public class LoginActivity extends Activity { //引用工具包下面的读写文件类 并实例化，用于读出文件中的IP private FileService fileService = new FileService( this); private static final int LOGIN_DIALOG = 1;//登录对话框 private static final int DIALOG2 = 2;//加载进度框 private static final int DIALOG3 = 3; // 修改服务器IP对话框 private static final int DIALOG4 = 4; private EditText etName, etPsw; //用户名和密码 private String editName; private String editPwd; EditText u_nameEditText ;//注册界面的用户名 EditText pwd1 ;//密码1 EditText pwd2 ;//密码2 String registerName ; String registerPwd1; String registerPwd2 ; private String ip; //用户需要连接服务器的IP private EditText hostip; private String resultData; /** * onCreate方法 */ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); showDialog(LOGIN_DIALOG); //显示对话框 } /** * 创建登录对话框 * @param context * @return */ private Dialog createLoginDialog(Context context) { View view = LayoutInflater.from(context).inflate(R.layout.login1, null); //引入登录xml界面文件 etName = (EditText) view.findViewById(R.id.et_userName); //用户名 etPsw = (EditText) view.findViewById(R.id.et_password); //密码 AlertDialog.Builder bulder = new AlertDialog.Builder(context); bulder.setView(view); bulder.setTitle("用户登录");//设置标题 bulder.setNeutralButton("设置IP或者注册", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { showDialog(DIALOG3); } }); //确定按钮 bulder.setPositiveButton("登录", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { editName = etName.getText().toString().trim(); editPwd = etPsw.getText().toString().trim(); if(editName.equals("")){//当用户名为空时 Toast.makeText(LoginActivity.this, "请输入用户名", Toast.LENGTH_LONG).show(); Intent intent = new Intent( LoginActivity.this, LoginActivity.class); startActivity(intent); } if(editPwd.equals("")){//当密码为空时 Toast.makeText(LoginActivity.this, "请输入密码", Toast.LENGTH_LONG).show(); Intent intent = new Intent( LoginActivity.this, LoginActivity.class); startActivity(intent); } else { //showDialog(DIALOG2); //调用连接后台登录接口并返回服务端的信息 String str= callLoginPost("http://"+fileService.read()+":8080/WebRestrant/LoginServlet?action=login"); //Toast.makeText(LoginActivity.this, ":"+str, Toast.LENGTH_SHORT).show(); if(str.equals("0")){ removeDialog(LOGIN_DIALOG); showDialog("网络连接失败, 请检查网络是否可以或IP是否正确!"); }else{ if(!str.equals("")&&!str.equals("0")){ Intent intent = new Intent(LoginActivity.this, Logining.class); String[] temp = str.split("#"); if(ActivityShowFood.map!=null){ for(int i=0; i<LineAdapter.data.size(); i++){ ActivityShowFood.mapNum.put((Integer)LineAdapter.data.get(i).get("id"), 1); ActivityShowFood.map.put((Integer)LineAdapter.data.get(i).get("id"), false); } } Bundle bundle =new Bundle(); bundle.putString("userName", temp[0]); bundle.putString("userId", temp[1]); intent.putExtra("UserLogin", bundle); startActivity(intent); //myDialog.dismiss(); }else{ Toast.makeText(LoginActivity.this, "用户名或密码错误请重试！", Toast.LENGTH_LONG).show(); Intent intent = new Intent( LoginActivity.this, LoginActivity.class); startActivity(intent); } } } } }); //取消按钮，退出登录界面 bulder.setNegativeButton("取消", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { setTitle("Exit"); //LoginActivity.this.finish(); finish(); } }); return bulder.create(); } /** * 创建对话框 */ @Override protected Dialog onCreateDialog(int id) { super.onCreateDialog(id); switch (id) { case LOGIN_DIALOG: return createLoginDialog(this); case DIALOG2: return building2(this); case DIALOG3: return building3(this); case DIALOG4: return building4(this); } return null; } private Dialog building4(LoginActivity loginActivity) { View view = LayoutInflater.from(loginActivity).inflate(R.layout.login2, null); //引入登录xml界面文件 u_nameEditText = (EditText) view.findViewById(R.id.r_userName); //用户名 pwd1 = (EditText) view.findViewById(R.id.r_password); //密码 pwd2 = (EditText) view.findViewById(R.id.rr_password); //密码 AlertDialog.Builder bulder = new AlertDialog.Builder(loginActivity); bulder.setView(view); bulder.setTitle("用户注册");//设置标题 //确定按钮 bulder.setPositiveButton("注册", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { registerName = u_nameEditText.getText().toString(); registerPwd1 = pwd1.getText().toString(); registerPwd2 = pwd2.getText().toString(); if(registerName.equals("")){//当用户名为空时 removeDialog(DIALOG4);// 空格+“/”：快捷键出来相关的函数 showDialog(DIALOG4); Toast.makeText(LoginActivity.this, "请输入用户名", Toast.LENGTH_LONG).show(); } if(registerPwd1.equals("")||registerPwd2.equals("")){//当密码为空时 removeDialog(DIALOG4);// 空格+“/”：快捷键出来相关的函数 showDialog(DIALOG4); Toast.makeText(LoginActivity.this, "请输入密码", Toast.LENGTH_LONG).show(); } else { if(registerPwd1.equals(registerPwd2)){ String str = callRegister("http://"+fileService.read()+":8080/WebRestrant/LoginServlet?action=register"); Log.e("-----------","----------"+str); if(!"".equals(str)){ Toast.makeText(LoginActivity.this, "恭喜你，注册成功！", Toast.LENGTH_LONG).show(); Intent intent = new Intent( LoginActivity.this, LoginActivity.class); startActivity(intent); } else{ removeDialog(DIALOG4);// 空格+“/”：快捷键出来相关的函数 showDialog(DIALOG4); Toast.makeText(LoginActivity.this, "注册失败，请重试！", Toast.LENGTH_LONG).show(); return ; }}else{ removeDialog(DIALOG4)