我有一个带有多个选择框的表单,需要确保其中任何一个选择框都不设置相同的值。例如,如果选择框1被设置为2,选择框4也被设置为2,我应该收到一个错误。我可以用单个ID进行操作,但不能用逗号分隔的多个ID进行操作。
另一个要求是,我需要Parsley在用户改正错误后对.change进行验证,而不需要再次提交表单。
只适用于单个ID的代码是。
window.Parsley.addValidator("notequalto", {
requirementType: "string",
validateString: function(value, element) {
return value !== $(element).val();
}
});
我现在的验证代码是:
var validating;
$("#postorg").parsley();
$('#series_post_order1').change(()=>{
if(!validating) return; $("#postorg").parsley().validate({group:'postorder'});
});
$('#series_post_order2').change(()=>{
if(!validating) return; $("#postorg").parsley().validate({group:'postorder'});
});
$('#series_post_order3').change(()=>{
if(!validating) return; $("#postorg").parsley().validate({group:'postorder'});
});
$('#series_post_order4').change(()=>{
if(!validating) return; $("#postorg").parsley().validate({group:'postorder'});
});
window.Parsley.addValidator("notequalto", {
validateMultiple: function(values) {
return values.length > 0;
},
requirementType: "string",
validateString: function(value, element) {
var els=element.split(',');
for(let i=0;i<els.length;i++){
if (jQuery(els[i]).val()){
return value !== $(element).val();
}
}
return true;
},
priority: 33
});
表单看起来是这样的
<form name="series_edit_postorg" id="postorg" method="post" action="series_postorg">
<div class="formbig-mobile">
<select name="series_post_order1" class="select" id="series_post_order1" data-parsley-group="postorder" data-parsley-notequalto="#series_post_order2,#series_post_order3,#series_post_order4" data-parsley-notequalto-message="Each post must have a different number">
<option value="1" selected>1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<select name="series_post_order2" class="select" id="series_post_order2" data-parsley-group="postorder" data-parsley-notequalto="#series_post_order1,#series_post_order3,#series_post_order4" data-parsley-notequalto-message="Each post must have a different number">
<option value="2" selected>2</option>
<option value="1">1</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
</div>
<select name="series_post_order3" class="select" id="series_post_order3" data-parsley-group="postorder" data-parsley-notequalto="#series_post_order1,#series_post_order2,#series_post_order4" data-parsley-notequalto-message="Each post must have a different number">
<option value="3" selected>3</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="4">4</option>
</select>
</div>
<select name="series_post_order4" class="select" id="series_post_order4" data-parsley-group="postorder" data-parsley-notequalto="#series_post_order1,#series_post_order2,#series_post_order3" data-parsley-notequalto-message="Each post must have a different number">
<option value="4" selected>4</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
</div>
<input type="submit" name="submit" value="UPDATE" class="selectbutton">
</form>
下面是解决这个问题的答案。
var validating;
$("#postorg").parsley();
$('.select').change(()=>{
if(!validating) return; $("#postorg").parsley().validate({group:'postorder'});
});
window.Parsley.addValidator("notequalto", {
validateMultiple: function(values) {
return values.length > 0;
},
requirementType: "string",
validateString: function(value, requirement) {
validating = true;
var $otherElements = $(requirement);
var duplicateFound = false;
$otherElements.each(function(){
duplicateFound = duplicateFound || this.value === value;
});
return !duplicateFound;
},
priority: 33
});