http://www.cnblogs.com/hejunrex/archive/2011/11/17/2252193.html
注意:
1)jquery.validate验证select方法
jquery validate验证select元素时,我们希望select选中非零选项,一般采用validate的min关键字来限制必选。
<select id="province" name="province" ></select>
validate:
//表单formOrder验证
$("#formOrder").validate({
rules: {province: {min:1 }},
messages: {province: {min: "省必选"}}
});