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在使输入验证正常工作时遇到一些问题。JOptionPane输入验证不起作用
我在做什么错?
当您在JOptionPane中选择确定时,它仍然分配值并且不显示错误对话框。
public void actionPerformed(ActionEvent e) {
do {
int option = JOptionPane.showConfirmDialog(calendarPanel.getMainView(), message, "Enter OT Details",
JOptionPane.OK_CANCEL_OPTION);
if (option == JOptionPane.CANCEL_OPTION) {
break;
}
if (option == JOptionPane.OK_OPTION) {
if (workTypeA.getText() != "" && startTimeA.getText() != "" && finishTimeA.getText() != ""
&& otHoursA.getText() != "") {
workTypeString = String.valueOf(workTypeA.getText());
startTimeString = String.valueOf(startTimeA.getText());
finishTimeString = String.valueOf(finishTimeA.getText());
otHoursString = String.valueOf(otHoursA.getText());
rateCodeString = String.valueOf(rateCodeA.getSelectedItem());
System.out.println(workTypeString);
valid = 1;
} else {
JOptionPane.showMessageDialog(null, "Please fill out all fields!", "Error",
JOptionPane.INFORMATION_MESSAGE);
}
}
} while (valid == 0);
}
谢谢。我在开始时声明有效为0,并没有在我的代码中显示它。对于那个很抱歉。我忘记了.equals(),因为我一直在研究其他语言,只是回到了Java。谢谢您的帮助! :) – user3126322 2014-09-01 12:04:33
没问题。随意标记为已解决;) – Deltharis 2014-09-01 12:53:23