我正在创建一个需要输入某些字段的表单。
基本的 required 属性对我不起作用,所以我想使用 jQuery。
然后,当这些字段已填写时,将启用提交按钮。
这是我的代码:
$(function() {
$('#catalog_order').validate(
{
rules:{
schedule: {
required: true
}
},
messages:{
schedule: "Please indicate schedule",
}
});
$('#checkin input').on('keyup blur', function (e) { // fires on every keyup & blur
if ($('#checkin').valid()) {
$('#submit').attr('disabled', false);
}
else {
$('#submit').attr('disabled', true);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.16.0/jquery.validate.js"></script>
<form role="form" id="checkin" name="checkin" method="post">
<label for="dedicatalog"> Dedication Text: </label> <input type="text" name="dedicatalog" id="dedicatalog" size="20" placeholder="Dedication" /> <!-- NOT REQUIRED, but still disable the CHECK IN NOW-->
<label for="schedule"> Date: </label> <input type="date" id="schedule" name="schedule" value="M-D-YY"/> <!-- REQUIRED -->
<label for="figurine_select"> Figurine/s: </label> <!-- NOT REQUIRED, but still disable the CHECK IN NOW-->
<select name="figurine_sel" id="figurine_select" />
<option selected value=" ">--Figurines--</option>
<option value="angel">Angel</option>
<option value="teletubies">Teletubies</option>
</select>
<input type="submit" id="submit" class="btn btn-default" value="Check In Now" disabled="disabled" />
</form>
希望有人能帮助我。 谢谢!!
最佳答案
这个Fiddle应该可以工作
请注意,对于每个字段
,您应该在js对象
(括号之间)内指定其所有选项
schedule: {
required: true
},
下面的工作片段
jQuery.validator.addMethod("dateFormat", function(value, element) {
console.log(value,/^(0?[1-9]|1[0-2])\/(0?[1-9]|1[0-9]|2[0-9]|3[01])\/\d{2}$/.test(value));
return /^(0?[1-9]|1[0-2])\/(0?[1-9]|1[0-9]|2[0-9]|3[01])\/\d{2}$/.test(value);
}, "Invalid Date !");
$(function() {
$('#checkin').validate(
{
rules:{
schedule: {
required:true,
dateFormat: true,
}
},
messages:{
required:"Required Field !"
}
});
$('#checkin input').on('keyup blur', function (e) { // fires on every keyup & blur
if ($('#checkin').valid()) {
$('#submit').attr('disabled', false);
}
else {
$('#submit').attr('disabled', true);
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.16.0/jquery.validate.js"></script>
<form role="form" id="checkin" name="checkin" method="post">
<label for="dedicatalog"> Dedication Text: </label> <input type="text" name="dedicatalog" id="dedicatalog" size="20" placeholder="Dedication" />
<label for="schedule"> Date: </label> <input id="schedule" name="schedule" placeholder="M-D-YY"/>
<input type="submit" id="submit" class="btn btn-default" value="Check In Now" disabled />
</form>
关于javascript - 使用 jquery 验证字段,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42327272/