代码如下:
var url = "<%=request.getContextPath()%>/cmdparam.do?op=modifyinfosave";
url +="¶m="+ <%=request.getParameter("param")%>;
document.cmdparamForm.action.value = url;
alert(document.cmdparamForm.action.value);
document.cmdparamForm.submit();
显示 document.cmdparamForm.action.value 为 undefinded 无法为action赋值,这句该怎么改啊??