摘要：
1 package com.zx.demo.action; 2 import java.util.ArrayList; 3 import java.util.HashMap; 4 import java.util.List; 5 import java.util.Map; 6 import com.opensymphony.xwork2.ActionSupport; 7 import com.zx.demo.model.Product; 8 import com.zx.demo.model.Student; 9 public class MapAction extends ActionSu.. 阅读全文
