Jquery MVC自定义验证:比较两个日期
我创建了一个自定义ValidationAttribute,它比较两个日期,并确保第二个日期大于第一个日期:Jquery MVC自定义验证:比较两个日期,jquery,asp.net-mvc,asp.net-mvc-3,validation,Jquery,Asp.net Mvc,Asp.net Mvc 3,Validation,我创建了一个自定义ValidationAttribute,它比较两个日期,并确保第二个日期大于第一个日期: public sealed class IsDateAfter : ValidationAttribute, IClientValidatable { private readonly string testedPropertyName; private readonly bool allowEqualDates; public IsDateAfter(strin
public sealed class IsDateAfter : ValidationAttribute, IClientValidatable
{
private readonly string testedPropertyName;
private readonly bool allowEqualDates;
public IsDateAfter(string testedPropertyName, bool allowEqualDates = false)
{
this.testedPropertyName = testedPropertyName;
this.allowEqualDates = allowEqualDates;
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var propertyTestedInfo = validationContext.ObjectType.GetProperty(this.testedPropertyName);
if (propertyTestedInfo == null)
{
return new ValidationResult(string.Format("unknown property {0}", this.testedPropertyName));
}
var propertyTestedValue = propertyTestedInfo.GetValue(validationContext.ObjectInstance, null);
if (value == null || !(value is DateTime))
{
return ValidationResult.Success;
}
if (propertyTestedValue == null || !(propertyTestedValue is DateTime))
{
return ValidationResult.Success;
}
// Compare values
if ((DateTime)value >= (DateTime)propertyTestedValue)
{
if (this.allowEqualDates)
{
return ValidationResult.Success;
}
if ((DateTime)value > (DateTime)propertyTestedValue)
{
return ValidationResult.Success;
}
}
return new ValidationResult(FormatErrorMessage(validationContext.DisplayName));
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var rule = new ModelClientValidationRule
{
ErrorMessage = this.ErrorMessageString,
ValidationType = "isdateafter"
};
rule.ValidationParameters["propertytested"] = this.testedPropertyName;
rule.ValidationParameters["allowequaldates"] = this.allowEqualDates;
yield return rule;
}
视图:
如何使它知道绑定到“CalendarEntry.StartDate”
rule.ValidationParameters[“propertytested”]=this.testedPropertyName;//这里应该是全名???怎么做
谢谢您需要修改客户端脚本以检查测试元素的前缀,并将前缀(如果有)添加到选择器中,如下所示:
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
if (parts.length > 1)
prefix = parts[0] + ".";
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue)
return true;
return (params.allowequaldates) ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
$.validator.addMethod(“isdateafter”),函数(值、元素、参数){
var parts=element.name.split(“.”);
var前缀=”;
如果(零件长度>1)
前缀=部件[0]+“;
var startdatevalue=$('input[name=“”+prefix+params.propertytested+'“]').val();
如果(!value | |!startdatevalue)
返回true;
return(params.allowequaldates)?Date.parse(startdatevalue)别忘了在代码中包含客户端。我花了好几个小时才发现它丢失了
(function ($) {
// your code here..
})(jQuery);
只是为了修复CouncellorBen的javascript中的一个小错误:“(params.allowequaldates)”将被解释为一个字符串(其值为“False”或“True”),但该字符串将始终计算为True,因此始终允许相等的日期。
如果您还希望允许对象的嵌套级别超过1级,则您将获得:
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
for (var i = 0; i < parts.length - 1; i++)
prefix = parts[i] + ".";
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue)
return true;
var allowequal = params.allowequaldates.toLowerCase === "true";
return allowequal ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
$.validator.addMethod(“isdateafter”),函数(值、元素、参数){
var parts=element.name.split(“.”);
var前缀=”;
对于(变量i=0;i return allowequal?Date.parse(startdatevalue)在最后一个答案中,调用toLowerCase时缺少一些括号,下面是一个更新版本,其中包含文档就绪和$.validator。不引人注目的…-部分:
$(function () {
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
for (var i = 0; i < parts.length - 1; i++) {
prefix = parts[i] + ".";
}
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue) return true;
var allowequal = params.allowequaldates.toLowerCase() === "true";
return allowequal ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
$.validator.unobtrusive.adapters.add('isdateafter',
['propertytested', 'allowequaldates'],
function (options) {
options.rules['isdateafter'] = options.params;
options.messages['isdateafter'] = options.message;
});
});
$(函数(){
$.validator.addMethod(“isdateafter”,函数(值、元素、参数){
var parts=element.name.split(“.”);
var前缀=”;
对于(变量i=0;i return allowequal?Date.parse(startdatevalue)谢谢你的代码,我已经在我的验证中成功地实现了它。谢谢你,谢谢你,还有@consullerBen的更新。用属性作为你的类的后缀可能是个好主意
data-val-isdateafter-propertytested="StartDate" and IT SHOULD BE: "CalendarEntry.StartDate".
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
if (parts.length > 1)
prefix = parts[0] + ".";
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue)
return true;
return (params.allowequaldates) ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
(function ($) {
// your code here..
})(jQuery);
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
for (var i = 0; i < parts.length - 1; i++)
prefix = parts[i] + ".";
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue)
return true;
var allowequal = params.allowequaldates.toLowerCase === "true";
return allowequal ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
$(function () {
$.validator.addMethod("isdateafter", function(value, element, params) {
var parts = element.name.split(".");
var prefix = "";
for (var i = 0; i < parts.length - 1; i++) {
prefix = parts[i] + ".";
}
var startdatevalue = $('input[name="' + prefix + params.propertytested + '"]').val();
if (!value || !startdatevalue) return true;
var allowequal = params.allowequaldates.toLowerCase() === "true";
return allowequal ? Date.parse(startdatevalue) <= Date.parse(value) :
Date.parse(startdatevalue) < Date.parse(value);
});
$.validator.unobtrusive.adapters.add('isdateafter',
['propertytested', 'allowequaldates'],
function (options) {
options.rules['isdateafter'] = options.params;
options.messages['isdateafter'] = options.message;
});
});