public class ColorTextUtil { public static final String RESET = "\u001B[0m"; public static final String RED = "\u001B[31m"; // 其他颜色常量... public static void printColoredText(String text, String colorCode) { System.out.println(colorCode + text + RESET); } public static void ...
在你的项目中创建一个名为ColorText.java的文件,并编写基础代码。 publicclassColorText{publicstaticvoidmain(String[]args){// 调用方法,传入要显示的文本printColoredText("java","\u001B[37m");// "\u001B[37m" 是白色的ANSI码}// 打印带有特定颜色的文本publicstaticvoidprintColoredText(Stringtext,String...
最后,我们需要将工作簿写入文件并关闭资源。 importjava.io.FileOutputStream;importjava.io.IOException;// 写入文件try(FileOutputStreamfileOut=newFileOutputStream("colored_text.xlsx")){workbook.write(fileOut);// 将工作簿写入文件}catch(IOExceptione){e.printStackTrace();// 处理异常}workbook.close();/...
publicDesktopDemo(){// init all GUI componentsinitComponents();// disable buttons that launch browser, email client,// disable buttons that open, edit, print filesdisableActions();// before any Desktop APIs are used, first check whether the API is// supported by this particular VM on this ...
}catch(ParseException pe) {pe.printStackTrace();}//Calculate the result and update the GUI.payment = computePayment(amount, rate, numPeriods); paymentField.setText(paymentFormat.format(payment)); }//This method checks input, but should cause no side effects.publicbooleanverify(JComponent input)...
boolean complete = textComponent.print(MessageFormat headerFormat,MessageFormat footerFormat,boolean showPrintDialog,PrintService servicePrintRequestAttributeSet attributes,boolean interactive); 当您使用所有参数调用print方法时,您可以显式选择打印功能,如页眉和页脚文本、打印属性、目标打印服务,以及是否显示打印对话框...
图2-4所示的应用程序是一个JFrame扩展,这个扩展用GJApp类来访问一个状态区,这个状态区显示从GJApp.properties文件中获取一个字符串。 GJApp.properties文件定义了一个属性: # Simple properties file statusAreaText=text in the status area 例2-4列出了图2-4所示的应用程序的代码。
();}try{numPeriods=decimalFormat.parse(numPeriodsField.getText()).intValue();}catch(ParseExceptionpe){pe.printStackTrace();}//Calculate the result and update the GUI.payment=computePayment(amount,rate,numPeriods);paymentField.setText(paymentFormat.format(payment));}//This method checks input, ...
println(x+y); }}enum Color { RED, GREEN, BLUE }record ColoredPoint(Point p, Color c) {}record Rectangle(ColoredPoint upperLeft, ColoredPoint lowerRight) {}// As of Java 21static void printUpperLeftColoredPoint(Rectangle r) { if (r instanceof Rectangle(ColoredPoint ul, ColoredPoint...
("这是红色字体");cell.setCellStyle(style);// 写入文件try(FileOutputStreamfileOut=newFileOutputStream("colored_text.xlsx")){workbook.write(fileOut);}catch(IOExceptione){e.printStackTrace();}// 关闭工作簿try{workbook.close();}catch(IOExceptione){e.printStackTrace();}System.out.println("Excel...