关系管理系统:WebUtils工具类代码

package cn.itcast.utils;

import java.util.Date;
import java.util.Enumeration;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.locale.converters.DateLocaleConverter;

public class WebUtils {
    
    //把request中的数据封装到bean中
    public static <T> T request2Bean(HttpServletRequest request,Class<T> clazz){
        
        try{
            T t = clazz.newInstance();
            
            ConvertUtils.register(new DateLocaleConverter(), Date.class);
            Enumeration e = request.getParameterNames();
            while(e.hasMoreElements()){
                String name = (String) e.nextElement();
                String value = request.getParameter(name);
                
                BeanUtils.setProperty(t, name, value);
            }
            return t;
        }catch (Exception e) {
            throw new RuntimeException(e);
        }
        
    }
    
    
    public static String makeId(){//产生UUID
        return UUID.randomUUID().toString();
    }
}