#JProgressBar

e804. 显示JProgressBar的完成百分率

Theprogressbarofferstheabilitytodisplaytheactualvalueofthebarasapercentage.Thisexampledemonstrateshowtoenablethisdisplay.Note:Thepercentagedisplayshouldnotbeena...

e803. 获得和设置JProgressBar的值

//Tocreateaprogressbar,seee801创建一个JProgressBar组件//Getthecurrentvalueintvalue=progress.getValue();//Gettheminimumvalueintmin=progress.getMinimum();//Getthemaximu...

e802. 创建一个位置大小的JProgressBar组件

Aprogressbarwithanunknownmaximumtypicallydisplaysananimationuntilthetaskiscomplete.Note:Thepercentagedisplayshouldnotbeenabledwhenthemaximumisnotknown(e804显示JPr...

e805. 监听JProgressBar的数值变化

Wheneverthevalueofaprogressbarischanged,achangeeventisfired.Infact,theeventisalsofiredwhentheminimumormaximumvaluesarechanged.However,theeventdoesnotspecifywhic...

e801. 创建一个JProgressBar组件

Aprogressbarisusedtovisuallyindicatehowmuchataskhasbeenprogressed.Aprogressbarcanbeorientedhorizontally(left-to-right)orvertically(bottom-to-top).Bydefault,theo...