jsp/get/set/struts.xml存取

get
jsp         url          ${param.serialID}
action    jsp          String commentId = ServletActionContext.getRequest().getParameter("commentId");
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action    ServletActionContext.getRequest().setAttribute("searchContent", searchContent);
jsp         action      <s:property value="searchContent"></s:property>
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function hanshu(num)
{
    window.location.href="<%=request.getContextPath()%>/a.action?num="+num;
}
<a href="javascript:hanshu('${param.url参数名}')"></a>
=====================
post
//使用trim（）
String.prototype.trim=function()
{
   return this.replace(/(^\s*)|(\s*$)/g, "");
}
function hanshu()
{
     var selectValue = document.getElementById("selectId").value;
     var textValue = document.getElementById("textId").value;
     //必填
    if(!selectValue)
     {
       alert("必填");
      }
     else if(selectValue.trim().length<1)
     {
         alert("长度");
      }
}
<form action="${pageContext.request.contextPath}/getAction.action" method="post" name="nameForm">
      <select name="seledtName" id="selectId">
               <option value="1">博客</option>
      </select>
      <input type="text" name="textName" id="textId"&g