JAVAEE--contact addition, list display and modification functions

<input type="button" value="选择客户" onclick="window.open(&#39;${pageContext.request.contextPath}/CustomerAction_list?select=true&#39;,&#39;&#39;,&#39;width=600,height=300&#39;)" />

    function selectCustomer(cust_id,cust_name){//获得添加页面的window对象var win = window.opener;//获得添加页面的document对象var doc = win.document;//获得隐藏域,和 文本框,并赋值doc.getElementById("cust_id").value=cust_id;
        doc.getElementById("cust_name").value=cust_name;//关闭当前窗口        window.close();
        
    };

    <s:if test="#parameters.select==null"><a href="${pageContext.request.contextPath }/CustomerAction_toEdit?cust_id=<s:property value="#cust.cust_id" />">修改</a>  <a href="${pageContext.request.contextPath }/customerServlet?method=delete&custId=${customer.cust_id}">删除</a></s:if><s:else><input type="button" value="选择" onclick="selectCustomer(<s:property value="#cust.cust_id" />,'<s:property value="#cust.cust_name" />')" /></s:else>