@Override
  protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    String host = PersistenceManager.getInstance(LoginActivity.this).getHostIp();
    String port = PersistenceManager.getInstance(LoginActivity.this).getHostPort();
    if (host != null && port != null && !host.equals("") && !port.equals("")) {
      HTTPConstant.HOST_URL_NO_SPRIT = "http://" + host + ":" + port;
      HTTPConstant.HOST_URL = HTTPConstant.HOST_URL_NO_SPRIT + "/";
      System.out.println("Ip被设置为:" + HTTPConstant.HOST_URL + "--" + HTTPConstant.HOST_URL_NO_SPRIT);
      HTTPConstant.resetValues();
    }

    // else {
    // HTTPConstant.HOST_URL = null;
    // HTTPConstant.HOST_URL_NO_SPRIT = null;
    // }
  }
 @Override
 public void onSuccess(UserMessage t, com.jun.android_frame.entity.BaseEntity baseEntity) {
   if (baseEntity.getStatus() == 1) { // 成功
     PersistenceManager.getInstance(LoginActivity.this).putAdmin(t.getAdmin());
     PersistenceManager.getInstance(LoginActivity.this)
         .putDiseaseCatogory(t.getDiseaseCategoryList());
     PersistenceManager.getInstance(LoginActivity.this)
         .putDiseaseType(t.getDiseaseTypeList());
     PersistenceManager.getInstance(LoginActivity.this).putUserName(userNameString);
     PersistenceManager.getInstance(LoginActivity.this).putPassorw(passwordString);
     Intent intent = new Intent();
     intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
     intent.setClass(LoginActivity.this, MainActivity.class);
     startActivity(intent);
     finish();
   } else if (baseEntity.getStatus() == 2) { // 没权限
     SystemUtils.MToast("没有权限", LoginActivity.this);
   } else if (baseEntity.getStatus() == 0) { // 失败
     SystemUtils.MToast("登录失败", LoginActivity.this);
   }
 }
 /** 这个方法用于初始化界面 */
 private void initView() {
   /** 这几行代码用来设置页面头部的布局,就是页面的提示信息,以及页面返回按钮 */
   setActionBar(R.layout.include_head_textbtn);
   setActionBarWidgetResource(
       ViewIdConstant.ACTIONBAR_TITLE, ResourceConstant.ACTIONBAR_TITLE, "登录");
   BackImageView backImageView =
       (BackImageView)
           getActionBarViewByMarkId(
               ViewIdConstant.ACTIONBAR_BACK_IAMGEVIEW, ResourceConstant.ACTIONBAR_BACK_IMAGEVIEW);
   backImageView.setVisibility(View.GONE);
   /** 根据布局页面找到控件 */
   userNameEditText = (EditText) findViewById(R.id.login_user_name);
   passwordEditText = (EditText) findViewById(R.id.login_password);
   userNameEditText.setText(PersistenceManager.getInstance(LoginActivity.this).getUserName());
   passwordEditText.setText(PersistenceManager.getInstance(LoginActivity.this).getPassword());
   loginBtn = (Button) findViewById(R.id.login_login);
   settingButton = (Button) findViewById(R.id.login_setting);
   /** 设置监听事件 */
   settingButton.setOnClickListener(listener);
   loginBtn.setOnClickListener(listener);
   UserConstant.admin = null;
   UserConstant.diseaseCategories = null;
   UserConstant.diseaseTypes = null;
 }