05.request获取表单数据 - beanutils

 

 

package com.ivan.web;

import java.io.IOException;
import java.lang.reflect.InvocationTargetException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.beanutils.BeanUtils;

import com.ivan.model.User;

/**
 * 自己封装一个类
 * @author ivan
 *
 */


@WebServlet("/BeanUtilsDemo")
public class BeanUtilsDemo extends HttpServlet{
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // TODO Auto-generated method stub
        req.setCharacterEncoding("UTF-8");//post请求时，解决中午跟乱码问题
        User user = new User();
        try {
            BeanUtils.populate(user, req.getParameterMap());
        } catch (IllegalAccessException | InvocationTargetException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        System.out.println(user);
        
    }
}