我使用jQuery Validate插件来验证表单,我想要一个低于26或高于30的值。我该怎么做?
我试过了:
forum_id: { required: true, range: [0,26], range:[40,100] }
但是它只取最后一个范围,所以如果该值低于40,即使它也低于26也会引发错误。
有什么建议吗?
答案 0 :(得分:4)
似乎没有办法使用插件本身,但有几个人建议使用正则表达式来验证范围。
此资源演示了如何将正则表达式方法添加到验证器:
jQuery validate: How to add a rule for regular expression validation?
我还更进一步,编写了一个插件来处理多个范围:
$(document).ready(function() {
$.validator.addMethod(
"ranges",
function(value, element, ranges) {
var noUpperBound = false;
var valid = false;
for(var i=0; i<ranges.length; i++) {
if(ranges[i].length == 1) {
noUpperBound = true;
}
if(value >= ranges[i][0] && (value <= ranges[i][1] || noUpperBound)) {
valid = true;
break;
}
}
return this.optional(element) || valid;
},
"Please check your input."
);
$("#myform").validate({
submitHandler: function(form) {
if(form && form.submit) form.submit();
}
});
// range must be between 0 to 25 OR greater than 30
// represented as an array of size-2 arrays.
$("#age").rules('add', { ranges: [ [0,25], [31] ] });
<form id="myform" action="#">
<span>age</span><input type="text" id="age" name="age" />
<input type="submit" name="submit" value="submit" />
</form>