Java 如何在单个joptionpane消息框中显示多条消息？
我是这些论坛的新手，因此我提前为我可能犯的任何困惑/错误道歉 我正在尝试使用Java 如何在单个joptionpane消息框中显示多条消息？,java,swing,joptionpane,Java,Swing,Joptionpane,我是这些论坛的新手，因此我提前为我可能犯的任何困惑/错误道歉 我正在尝试使用JOptionPane创建一个消息框，并希望它显示许多内容，例如： JOptionPane.showMessageDialog( null, string1, int1, string2, int2); 有没有办法使用这些消息框在一个框中打印多个字符串和整数 为了澄清，我基本上希望底部的printlns被转换成一个消息框 我是java新手 import javax.swing.*; public class Pay
JOptionPaneJOptionPane.showMessageDialog( null, string1, int1, string2, int2);
printlnimport javax.swing.*;
public class PayrollJoption {
public static void main(String[] args) {
String nameFirst;
nameFirst = JOptionPane.showInputDialog("Enter Your First Name: ");
String nameLast;
nameLast = JOptionPane.showInputDialog("Enter Your Last Name: ");
int hourlyRate;
String hourlyRateString;
hourlyRateString = JOptionPane.showInputDialog("Enter Your Hourly Rate: ");
hourlyRate = Integer.parseInt(hourlyRateString);
int hoursWorked;
String hoursWorkedString;
hoursWorkedString = JOptionPane.showInputDialog("Enter Your Hours Worked: ");
hoursWorked = Integer.parseInt(hoursWorkedString);
double grosspay = hourlyRate * hoursWorked; // calculating gross pay
double taxWithholding = grosspay * 0.28; // calculating tax withholdings
double netPay = grosspay - taxWithholding; // calculating net pay
JOptionPane.showMessageDialog( null, "Name: ");
// This is the message box i was referring to
System.out.println("Name: " + nameFirst + " " + nameLast); // printing full name
System.out.println("Your Gross Pay Is: " + "$" + grosspay); // printing gross pay
System.out.println("Your Income Tax Is (28%) "); // showing tax percentage
System.out.println("Your Tax WithHolding is: " + "$" + taxWithholding); // showing tax withholdings
System.out.println("Your Net Pay Is: " + "$" + netPay); // printing net pay
System.out.println(" "); // skipping line for space
System.out.println("You Need A New Job!"); // printing text
}
}
String to_print="Name: " + nameFirst+ " "+ nameLast +"\n"+
"Your Gross Pay Is: "+ "$" + grosspay+"\n"+
"Your Income Tax Is (28%) "+"\n"+
"Your Tax WithHolding is: "+ "$"+ taxWithholding+"\n"+
"Your Net Pay Is: "+ "$"+ netPay+"\n"+" \n"+
"You Need A New Job!"; //printing text
System.out.println（）JOptionPane.showMessageDialog( null,to_print);
String to_print="Name: " + nameFirst+ " "+ nameLast +"\n"+
"Your Gross Pay Is: "+ "$" + grosspay+"\n"+
"Your Income Tax Is (28%) "+"\n"+
"Your Tax WithHolding is: "+ "$"+ taxWithholding+"\n"+
"Your Net Pay Is: "+ "$"+ netPay+"\n"+" \n"+
"You Need A New Job!"; //printing text
System.out.println（）JOptionPane.showMessageDialog( null,to_print);
我希望这对你有用。如果不行，请在下面评论 欢迎来到论坛，您可以使用字符串\n将消息分成几行：
"First line \n second line"
"<html><b> a bold text </b></html>"
“粗体文本”
"First line \n second line"
"<html><b> a bold text </b></html>"
“粗体文本”