form表单action提交的js部分与html部分

/**
* 提交表单
*/
function submitForm(action, actName, objName, formName,blogType){
$("#"+formName).attr("action",action);
//var f = document.getElementsByTagName("form")[0];

//alert(f.action);
$("#"+formName).form({
onSubmit:function(){
checkInput();//检查输入项是否为空
} ,
success:function(data){
if (data == "success"){
$.messager.alert('提示','<br>日志发表成功!','info');
}else{

$.messager.alert('提示','<br>日志发表失败!','warning');
}
}
});
}
/**
* 发表日志
*/
function publishBlog() {
submitForm("http://localhost:8090/webplus3/_web/sns/createBlog.do?_p=YXM9Mw__","发表","日志","fm1","publish");
}

<form style="padding: 10px 8px;" method="post" action="" id="fm1" name="fm1">
<div style="margin-bottom: 10px;">
<span style="padding-right: 10px;">标题:</span>
<input type="text" id="title" name="blog.title" class="int_txt" maxlength="30">
</div>
<div style="margin-bottom: 10px;">
<span style="padding-right: 10px;">内容:</span>
<input type="text" id="content" name="blog.content" class="int_txt" maxlength="3000">
</div>
<button class="btnstyle-strong btn-submit btn-submit-2" type="submit" title="发表日志(ctrl+enter)" id="saveBlogButton" onclick="publishBlog()">
<span>发 表</span>
</button>
</form>