Primefaces 带“的输入掩码”；"；价值观

如何在输入中输入每4个数字，我有如下内容：

<p:inputMask mask="9999, 9999" placeHolder="_"/>

---

但是我需要“N”值，所以我不知道如何做到这一点。

可以使用输入掩码来约束输入，这在用户将数据输入系统时受到约束。您不能设置没有限制的数字

我建议你改用转换器

xhtml

转换器

import java.io.Serializable;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;

/**
 *
 * @author Wittakarn
 */
@FacesConverter("numberConverter")
public class NumberConverter implements Serializable, Converter {

    public Object getAsObject(FacesContext fc, UIComponent uic, String string) {
        return string.replaceAll(",", "");
    }

    public String getAsString(FacesContext fc, UIComponent uic, Object o) {
        String resp = "";
        DecimalFormat decimalFormat;
        if (o != null) {
            decimalFormat = new DecimalFormat("#,####");
            decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
            try {
                resp = decimalFormat.format(Double.parseDouble(o.toString()));
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }

        return resp;

    }
}

@SessionScoped
@ManagedBean(name = "inputTextView")
public class InputTextView {

    private String numberInput;

    public String getNumberInput() {
        return numberInput;
    }

    public void setNumberInput(String numberInput) {
        this.numberInput = numberInput;
    }   
}

import java.io.Serializable;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.FacesConverter;

/**
 *
 * @author Wittakarn
 */
@FacesConverter("numberConverter")
public class NumberConverter implements Serializable, Converter {

    public Object getAsObject(FacesContext fc, UIComponent uic, String string) {
        return string.replaceAll(",", "");
    }

    public String getAsString(FacesContext fc, UIComponent uic, Object o) {
        String resp = "";
        DecimalFormat decimalFormat;
        if (o != null) {
            decimalFormat = new DecimalFormat("#,####");
            decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
            try {
                resp = decimalFormat.format(Double.parseDouble(o.toString()));
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }

        return resp;

    }
}