u012280953的专栏

package org.math.bigdecimal; import java.math.BigDecimal; /**  * java.math.BigDecimal。BigDecimal一共有4个够造方法，让我先来看看其中的两种用法： 第一种：BigDecimal(double val) Translates a double into a BigDecimal.

If your application saves state on the client, your custom converter must implement the Serializable interface or the StateHolder interface, and the saveState(FacesContext) and restoreState(FacesCon