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ng-app = "MetronicApp"

用法：控制输入在-999到999

/** * 控制输入最大值 */MetronicApp.directive('numberMax', function () {    return {        restrict: 'AE',        require: 'ngModel',        link: function (scope, element, attr, linkfn) {            var numberMax = Number(attr.numberMax);            scope.$watch(attr.ngModel,function(newValue,oldValue){               if(!newValue){                  return;                }                if (angular.isNumber(numberMax) && !isNaN(numberMax)) {                  if(newValue > numberMax){                     var exp = attr.ngModel + '=' + oldValue;                     element.val(oldValue);                     scope.$eval(exp);                  }               }            });        }    }});/** * 控制输入最小值 */MetronicApp.directive('numberMin', function () {    return {        restrict: 'A',        require: 'ngModel',        link: function (scope, element, attr, linkfn) {            var numberMin = Number(attr.numberMin);            scope.$watch(attr.ngModel,function(newValue,oldValue){               if(!newValue){                  return;                }                if (angular.isNumber(numberMin) && !isNaN(numberMin)) {                  if(oldValue == '-'){                     var exp = attr.ngModel + '=' + undefined;                     element.val(oldValue);                     scope.$eval(exp);                  }else if(newValue < numberMin){                     var exp = attr.ngModel + '=' + oldValue;                     element.val(oldValue);                     scope.$eval(exp);                  }               }            });        }    }});

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