Angular.js组件之input mask对input输入进行格式化详解

define(['./module'], function (directives) {
 'use strict';
 directives.directive('inputMask', function ($timeout) {
 return {
  restrict: 'EA',
  require: 'ngModel',
  link: function (scope, elm, attrs, ngModel) {
  var applyModelEvents = [ "oncomplete", "onKeyUp", "onKeyValidation" ], maskType = "mask";

  if (attrs.formatOption) {
   var formatOption = scope.$eval(attrs.formatOption);
   if (formatOption.parser) {
   ngModel.$parsers.push(formatOption.parser);
   }

   if (formatOption.formatter) {
   ngModel.$formatters.push(formatOption.formatter);
   }

   if (formatOption.isEmpty) {
   ngModel.$isEmpty = formatOption.isEmpty;
   }
  }

  var applyModel = function (fun) {
   return function () {
   (function (args) {
    $timeout(function () {
    var viewValue = elm.inputmask('unmaskedvalue');
    if (viewValue !== ngModel.$viewValue) {
     ngModel.$setViewValue(viewValue);
    }
    if (fun) {
     fun.apply(scope, args);
    }
    });
   })(Array.prototype.slice.call(arguments));
   };
  };

  var extendOption = function (option) {
   var newOption = angular.extend({}, option);
   angular.forEach(applyModelEvents, function (key) {
   newOption[key] = applyModel(newOption[key]);
   });

   return newOption;
  };

  if (attrs.inputMask) {
   maskType = scope.$eval(attrs.inputMask);
  }

  if (maskType) {
   if (angular.isObject(maskType)) {
   var maskOption = extendOption(maskType);
   $timeout(function () {
    elm.inputmask(maskOption);
   });
   } else {
   var maskOption = extendOption(scope.$eval(attrs.maskOption) || {});
   $timeout(function () {
    elm.inputmask(maskType, maskOption);
   });
   }
  }

  elm.bind("blur", function(){
   $timeout(function () {
   if(attrs.isMask){
    
   }else{
    ngModel.$setViewValue(elm.inputmask('unmaskedvalue'));
   }
   });
  });

  }
 }
 });
});

<input class="form-control" id="cardNo" name="cardNo" type="text" ng-model="cardNo" input-mask="cardOption"/>

 $scope.cardOption = {
   mask: function () {
    return ["9999 9999 9999 9999 [999]"];
   }};

$scope.dateFormatOption = {
   parser: function (viewValue) {
   return viewValue ? new Date(viewValue) : undefined;
   },
   formatter: function (modelValue) {
   if (!modelValue) {
    return "";
   }
   var date = new Date(modelValue);
   return (date.getFullYear() + "-" + date.getMonth() + "-" + date.getDate()).replace(/\b(\d)\b/g, "0$1");
   },
   isEmpty: function (modelValue) {
   return !modelValue;
   }
  };

<input type="text" ng-model="test1" input-mask="'y-m-d'" format-option="dateFormatOption"/>

$scope.testoption = {
  "mask": "99-9999999",
  "oncomplete": function () {
   console.log();
   console.log(arguments,"oncomplete!this log form controler");
  },
  "onKeyValidation": function () {
   console.log("onKeyValidation event happend! this log form controler");
  }
  }