Validation 如何验证SmartGWT中的数字文本框?
Textbox应该只接受数字,我想使用除Validation 如何验证SmartGWT中的数字文本框?,validation,handler,smartgwt,Validation,Handler,Smartgwt,Textbox应该只接受数字,我想使用除ChangedHandler/ChangedHandler/KeyPressHandler/code> 我的验证课 public class UnderLyingIDChangeHandler implements ChangedHandler { private final CreditRiskView creditRiskView; public UnderLyingIDChangeHandler(CreditRiskView cre
ChangedHandler/ChangedHandler/KeyPressHandler/code>
我的验证课
public class UnderLyingIDChangeHandler implements ChangedHandler {
private final CreditRiskView creditRiskView;
public UnderLyingIDChangeHandler(CreditRiskView creditRiskView) {
this.creditRiskView = creditRiskView;
}
@Override
public void onChanged(ChangedEvent event) {
String value= (String) event.getItem().getValue();
if(!value.matches("[0-9]*")){
creditRiskView.invalidUnderlyingID();
}
}
这是我需要显示验证的主要类
public class CreditRiskView{
private TextItem underlyingIDField;
public void addunderlyingIDInputChangeHadler(ChangedHandler changedHandler) {
//logic is that this method will invoked in the UnderLyingIDChangeHandler class
underlyingIDField.addChangedHandler(changedHandler);
}
public void invalidUnderlyingID(){
// I don't know how to set an error message as underlyingIDField.clearValue()
method is not doing well.
}
}
如何限制用户可以输入的字符?
请参见此示例:
如何限制用户可以输入的字符?
请参见此示例:
如果文本框是动态表单中的文本项,则其工作原理如下:
IsIntegerValidator isIntegerValidator = new IsIntegerValidator();
isIntegerValidator.setErrorMessage("error message");
textItem.setValidators(isIntegerValidator);
要在调用表单.validate()时显示这样的错误,需要在表单中设置setShowInlineErrors(true)。如果文本框是动态表单中的文本项,则其工作原理如下:
IsIntegerValidator isIntegerValidator = new IsIntegerValidator();
isIntegerValidator.setErrorMessage("error message");
textItem.setValidators(isIntegerValidator);
要在调用form.validate()时显示这样的错误,您需要在表单中设置setShowInlineErrors(true)。但我的用例是,用户可以输入任何值并需要验证该示例,如[link](),但我的用例是,用户可以输入任何值并需要验证该示例,如[link]()