我将以下指令放到使用angular-ui-bootstrap datepicker的输入字段中:
angular.module('directives.validators.date', [])
.directive('validDate',[ '$filter', function ($filter) {
return {
restrict:'A',
require:'ngModel',
link: function (scope, el, attrs, ngModel) {
var pattern = /^(0[1-9]|[12][0-9]|3[01])\.(0[1-9]|1[012])\.(19|20)\d\d$/;
ngModel.scope = scope;
ngModel.attrs = attrs;
el.on('blur',function() {
if(typeof ngModel.$viewValue === "object"){
var str = $filter('date')(ngModel.$viewValue, "dd.MM.yyyy");
ngModel.$setViewValue(str);
}
if(ngModel.$viewValue){
if(ngModel.$viewValue!=="" && !pattern.test(ngModel.$viewValue)){
ngModel.$setValidity("date",false);
}
}
});
scope.$watch(function () {
return ngModel.$modelValue;
},
function() {
if(ngModel.$pristine){ //if the data has just been fetched, convert it to date format.
if (typeof ngModel.$viewValue === "number"){
var date = new Date(ngModel.$viewValue);
//var str = $filter('date')(date, "dd.MM.yyyy");
ngModel.$setViewValue(date);
ngModel.$setPristine(true);
var formName = $("form")[0].name;
ngModel.scope[formName].$setPristine(true);
ngModel.$setValidity("date",true);
}
}
if(ngModel.$viewValue){ //when the filed is changed, if it is corrected set that the date is valid
if(ngModel.$viewValue==="" || pattern.test(ngModel.$viewValue)){
ngModel.$setValidity("date",true);
}
}
});
}
};
}]);
我对datepicker组件有一个问题,如果未触摸datepicker字段(即使其中包含数据,例如当我编辑资源时),表单也不会提交。即使提交的日期正确,它也基本上将表单视为无效。该指令解决了该问题,但是当我将angular升级到1.3时,该指令不再起作用。
我需要更改什么才能使该指令再次起作用?
最佳答案
Here您可以找到有关影响1.3中ngModel的重大更改的信息: