在GUI中如何实现格子做背景在界面上显示的文字，怎么在后面加上格子的背景，就像下面这样的，这个是从数据库的查询结果截图的，感觉这样展现出来的内容看着比较舒服，请问大家如果要实现这样的效果应该怎么做？color='#e78608'>------解决方案--------------------可以用GridBagLayout进行布局，也可以用Box容器color='#e78608'>------解决方...

如何得到canvas面板上图片的坐标？谁知道在canvas面板上面得到一张图片的坐标？？[code=Jav]publicImgextendsCanvas{protectedvoidpaint(Graphicsg){g.drawImage(img,this.getWidth()/2,10,Graphics.HCENTER|Graphics.TOP);}}[/code]那怎么得到img的坐标？？col...

Lucene.net建立索引时出错：访问被拒绝System.UnauthorizedAccessException:对路径“E:\wwwroot\jemer_new_shop\index\segments.gen”的访问被拒绝。在System.IO.__Error.WinIOError(Int32errorCode,StringmaybeFullPath)在System.IO.File.Delet...

Server.Transfer执行子请求出错我在publicvoidProcessRequest(HttpContextContext)函数里面写了：C#codeStringRealPath=@"~/FirstPage.aspx";Context.Server.Transfer(RealPath);虚拟目录下我有建立FirstPage.aspx的。执行结果提示：System.W...

Android任意时刻、任意代码处全屏publicvoidtoggleFullscreen(booleanfullScreen){//fullScreen为true时全屏，否则相反WindowManager.LayoutParamsattrs=getWindow().getAttributes();if(fullScreen){attrs.flags|=WindowManager.LayoutPa...

AndroidEditText得到焦点失去焦点处理方法holder.pmNumberET.setOnFocusChangeListener(newandroid.view.View.OnFocusChangeListener(){ @Override publicvoidonFocusChange(Viewv,booleanhasFocus){ if(hasFocus){ //此处为...

android中Activity实现再按一次退出Exitexit=newExit();@OverridepublicbooleanonKeyDown(intkeyCode,KeyEventevent){if(keyCode==KeyEvent.KEYCODE_BACK){pressAgainExit();returntrue;}returnsuper.onKeyDown(keyCode,event...

【Spark106】SparkSQL动态代码生成二代码?publicSpecificOrderinggenerate(org.apache.spark.sql.catalyst.expressions.Expression[]expr){returnnewSpecificOrdering(expr);}classSpecificOrderingextendsorg.apache.spark.sql...

Android按返回键退出程序但不销毁，程序后台运行，同QQ退出处理方式@Override publicbooleanonKeyDown(intkeyCode,KeyEventevent){ if(keyCode==KeyEvent.KEYCODE_BACK){ moveTaskToBack(false); returntrue; } returnsuper.onKeyDown(ke...

Android监听键盘上的确定键等mETCommentContent.setOnEditorActionListener(newOnEditorActionListener(){ @Override publicbooleanonEditorAction(TextViewv,intactionId,KeyEventevent){ if(actionId==EditorInfo....

android中屏蔽其它系统按钮的dialogpublicclassMyProgressDialogextendsProgressDialog{ publicMyProgressDialog(Contextcontext){ super(context); this.getWindow().setType( WindowManager.LayoutParams.TYPE_KEYGUARD...

Android中判断是平板还是手机//是平板返回true不是平板返回falsepublicbooleanisTablet(Contextcontext){return(context.getResources().getConfiguration().screenLayout&Configuration.SCREENLAYOUT_SIZE_MASK)>=Configuration.S...

android之判断手机号码和名字必须为中文不多说，贴代码，一看就会./** *@parammobiles *@return[0-9]{5,9} */ publicstaticbooleanisMobileNO(Stringmobiles){ if(mobiles.length()!=11){ returnfalse; } booleanflag=false; try{ Patte...

Android中给Activity添加返回键//thisneedandroid:minSdkVersion="11"getActionBar().setDisplayHomeAsUpEnabled(true);@OverridepublicbooleanonOptionsItemSelected(MenuItemitem){if(item.getItemId()==android.R.id.hom...

Android笔记之菜单相关1.采用XML化的开始菜单。??publicbooleanonCreateOptionsMenu(Menumenu){ MenuInflaterinflater=this.getMenuInflater(); inflater.inflate(R.menu.menu,menu); menu.removeItem(R.id.about); returntrue;}???方...

android中判断sd卡是否准备好BooleanisSDPresent=android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);if(isSDPresent){//卡已准备}else{//卡没准备好}

android检测是否有网络连接publicstaticbooleanisNetWorkAvailable(Contextcontext){ ConnectivityManagercm=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfoinfo=cm.getAc...

android为RadioButton单独添加checked监听事件finalRadioButtonred_radio=(RadioButton)findViewById(R.id.red_radio); finalRadioButtongray_radio=(RadioButton)findViewById(R.id.gray_radio); gray_radio.setOnCheckedC...

scrollView滚动的控制scrollView怎么使它不能滚动，代码，我没找到啊，求解color='#e78608'>------解决方案--------------------探讨我用的这个方法：JavacodemRowHeaderScroll=newScrollView(mContext){publicbooleanonTouchEvent(MotionEventev){returnfal...

关于操作文件的三个方法，不好用啊。从别人博客学来的（这里要谢谢mayacosa）publicFUNCTIONbooleanCopyFileA(refstringcfrom,refstringcto,booleanflag)LIBRARY"Kernel32.dll"//调用：FUNCTIONbooleanDeleteFileA(refstringfilename)LIBRARY&...