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AngularJS自定义表单验证器
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<!doctype html>
<html ng-app="myApp">
<head>
<script src="G:\\Source\\Repos\\GWD\\Gridsum.WebDissector.Website.ZC\\Gridsum.WebDissector.Website.ZC\\Pages\\dist\\assets\\lib\\angularjs\\angular.js"></script>
<script type="text/javascript">
var app = angular.module('myApp', []);
var INTEGER_REGEXP = /^\-?\d*$/;
app.directive('integer', function () {
return {
require: 'ngModel',
link: function (scope, elm, attrs, ctrl) {
ctrl.$parsers.unshift(function (viewValue) {
if (INTEGER_REGEXP.test(viewValue)) {
// it is valid
ctrl.$setValidity('integer', true);
return viewValue;
} else {
// it is invalid, return undefined (no model update)
ctrl.$setValidity('integer', false);
return undefined;
}
});
}
};
});
var FLOAT_REGEXP = /^\-?\d+((\.|\,)\d+)?$/;
app.directive('smartFloat', function () {
return {
require: 'ngModel',
link: function (scope, elm, attrs, ctrl) {
ctrl.$parsers.unshift(function (viewValue) {
if (FLOAT_REGEXP.test(viewValue)) {
ctrl.$setValidity('float', true);
return parseFloat(viewValue.replace(',', '.'));
} else {
ctrl.$setValidity('float', false);
return undefined;
}
});
}
};
});
</script>
</head>
<body>
<div>
<form name="form" class="css-form" novalidate>
<div>
Size (integer 0 - 10):
<input type="number" ng-model="size" name="size"
min="0" max="10" integer />
<span ng-show="form.size.$error.integer">This is not valid integer!</span>
<span ng-show="form.size.$error.min || form.size.$error.max">
The value must be in range 0 to 10!
</span>
</div>
<div>
Length (float):
<input type="text" ng-model="length" name="length" smart-float />
<span ng-show="form.length.$error.float">
This is not a valid float number!
</span>
</div>
</form>
</div>
</body>
</html>
