userconverter.java

jsf 做得一个小项目

package onlyfun.caterpillar;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;

public class UserConverter implements Converter{
 /**
  * 把字符串转换为对象
  */
	
	public Object getAsObject(FacesContext context, UIComponent component, String str)throws ConverterException {
		// TODO Auto-generated method stub
		String[]strs=str.split(",");
		UserBean user=new UserBean();
		try{
			user.setFirstName(strs[0]);
			user.setLastName(strs[1]);
		}catch(Exception e){
			throw new ConverterException();
		}
		return null;
	}
	/**
	 * 把对象转换为字符串
	 */
	public String getAsString(FacesContext context, UIComponent component, Object obj)throws ConverterException {
		// TODO Auto-generated method stub
		String firstname=((UserBean)obj).getFirstName();
		String lastname=((UserBean)obj).getLastName();		
		return firstname+","+lastname;
	}

}