$("#submit").click(function () {
    var regexemail = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$/;
    var regextel = /^([1]\d{10}|([\(（]?0[0-9]{2,3}[）\)]?[-]?)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?)$/;

    var uname = $("#uname").val();
    var uphone = $("#uphone").val();
    var uemail = $("#uemail").val();
    var uaddress = $("#uaddress").val();
    var ucontent = $("#ucontent").val();
    if (uname == "" || uname == null) 
    {
        layer.msg("请输入您的姓名", { time: 3000 });
    }
    else if (uphone == "" || uphone == null) 
    {
        layer.msg("请输入您的电话", { time: 3000 });
    } 
    else if (!regextel.test(uphone)) 
    {
        layer.msg("请输入正确的电话", { time: 3000 });
    }
    else if (uemail == "" || uemail == null) {
        layer.msg("请输入您的邮箱", { time: 3000 });
    }
    else if (!regexemail.test(uemail)) {
        layer.msg("请输入正确的邮箱", { time: 3000 });
    }
    else if (uaddress == "" || uaddress == null) {
        layer.msg("请输入您的地址", { time: 3000 });
    }
    else if (ucontent == "" || ucontent == null) 
    {
        layer.msg("请输入您的建议或反馈", { time: 3000 });
    } 
    else
    {
        $.ajax
        (
            {
                async: false,
                datatype: 'json',
                type: "post",
                url: "/ajax/feedbackhandlercn.ashx",
                data: {uname: uname, uphone: uphone, uemail: uemail, uaddress: uaddress, ucontent: ucontent},
                success: function (data) {
                    if (data.code == "ok") {
                        layer.msg(data.msg, { time: 3000 });
                        $("#uname").val("");
                        $("#uphone").val("");
                        $("#uemail").val("");
                        $("#uaddress").val("");
                        $("#ucontent").val("");
                    }
                }
            }
        );
    }
})