表单提交

        <form id="form_2">
			<div class="index_input">
				<input name="name" class="Mname" placeholder="输入姓名">
			</div>
			<div class="index_input">
				<input name="phone" class="Mname" placeholder="输入手机号">
			</div>
			<div class="index_inputtj" onclick="submit('form_2')">
				<span>立即咨询</span>
			</div>
		</form>

提交

            function submit(formid) {
		var name = $("#" + formid + " input[name=name]").val();
		var phone = $("#" + formid + " input[name=phone]").val();
		var content = $("#" + formid + " textarea[name=contentname]").val();
		var type = $('#typename option:selected').val();
		if (!phone) {
			setloadHtml('手机号码不能为空', 1000)
			return false;
		}
		if (!isVerify(phone)) {
			setloadHtml('手机号码格式错误！！', 1000)
			return false;
		}
		formSubmit(name, phone, type, content, formid)
	}

手机号验证

    function isVerify(phone) {
        let reg = /^[1][2,3,4,5,6,7,8,9][0-9]{9}$/;
        let res = true;
        if (!reg.test(phone)) {
            res = false;
        }
        return res;
    }