这个是把数据交给index.html遍历出来

public String showAllPro(){
List<Product> proList = ps.getAllPro();
ActionContext.getContext().put("proList", proList);
return "data";
}

INDEX.HTML

<%@ taglib uri="/struts-tags" prefix="s" %>

<s:form action="ProAction_delPro">
        <table border="1">
            <s:iterator value="proList">
                <tr>
                    <td><s:checkbox name="proId" value="false" fieldValue="%{proId}" /></td>
                    <td><s:property value="proName"/></td>
                    <td><s:property value="proPrice"/></td>
                    <td><s:property value="proCount"/></td>
                    <td><s:property value="proDesc"/></td>
                </tr>
            </s:iterator>
            <tr>
                <td colspan="5"><s:submit label="删除" /></td>
            </tr>
        </table>
    </s:form>