一.restrict属性：
二.replace属性
默认为false,若设置为true，则会移除用户在html中的内容。
<hello>
<div>这里是指令内部的内容。</div>
</hello>
var myModule = angular.module("MyModule", []);
myModule.directive("hello", function() {
return {
restrict:"AE",
template:"<div>Hello everyone!</div>",
replace:true
}
});
编译为：
三.$templateCache对象：从浏览器缓存中获得html片段
示例：<hello></hello>
var myModule = angular.module("MyModule", []);
//注射器加载完所有模块时，此方法执行一次
myModule.run(function($templateCache){
$templateCache.put("hello.html","<div>Hello everyone!!!!!!</div>");
});
myModule.directive("hello", function($templateCache) {
return {
restrict: ‘AECM‘,
template: $templateCache.get("hello.html"),
replace: true
}
});
编译结果：
四.templateUrl属性
var myModule = angular.module("MyModule", []);
myModule.directive("hello", function() {
return {
restrict: ‘AECM‘,
templateUrl: ‘hello.html‘,
replace: true
}
});
最后编译的结果为：用户定义的html片段内容。
五.transclude属性
若设置为true，则保留用户在html中定义的内容。
示例：
<hello>
<div>这里是指令内部的内容。</div>
</hello>
var myModule = angular.module("MyModule", []);
myModule.directive("hello", function() {
return {
restrict:"AE",
transclude:true,
template:"<div>Hello everyone!<div ng-transclude></div></div>"
}
});
六.directive(指令)与controller(控制器)之间的交互
示例：
<!doctype html>
<html ng-app="MyModule">
<head>
<meta charset="utf-8">
</head>
<body>
<div ng-controller="MyCtrl">
<loader howToLoad="loadData()">滑动加载</loader>
</div>
<div ng-controller="MyCtrl2">
<loader howToLoad="loadData2()">滑动加载</loader>
</div>
</body>
<script src="framework/angular-1.3.0.14/angular.js"></script>
<script src="Directive&Controller.js"></script>
</html>
var myModule = angular.module("MyModule", []);
myModule.controller(‘MyCtrl‘, [‘$scope‘, function($scope){
$scope.loadData=function(){
console.log("加载数据中...");
}
}]);
myModule.controller(‘MyCtrl2‘, [‘$scope‘, function($scope){
$scope.loadData2=function(){
console.log("加载数据中...22222");
}
}]);
myModule.directive("loader", function() {
return {
restrict:"AE",
link:function(scope,element,attrs){
element.bind(‘mouseenter‘, function(event) {
//scope.loadData();
// scope.$apply("loadData()");
// 注意这里的坑，howToLoad会被转换成小写的howtoload
scope.$apply(attrs.howtoload);
});
}
}
});
七.directive(指令)之间的交互
示例：
<!doctype html>
<html ng-app="MyModule">
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="css/bootstrap-3.0.0/css/bootstrap.css">
<script src="framework/angular-1.3.0.14/angular.js"></script>
<script src="Directive&Directive.js"></script>
</head>
<body>
<div class="row">
<div class="col-md-3">
<superman strength>动感超人---力量</superman>
</div>
</div>
<div class="row">
<div class="col-md-3">
<superman strength speed>动感超人2---力量+敏捷</superman>
</div>
</div>
<div class="row">
<div class="col-md-3">
<superman strength speed light>动感超人3---力量+敏捷+发光</superman>
</div>
</div>
</body>
</html>
var myModule = angular.module("MyModule", []);
myModule.directive("superman", function() {
return {
scope: {}, //独立作用域
restrict: ‘AE‘,
controller: function($scope) { //暴露共用的属性和方法
$scope.abilities = [];
this.addStrength = function() {
$scope.abilities.push("strength");
};
this.addSpeed = function() {
$scope.abilities.push("speed");
};
this.addLight = function() {
$scope.abilities.push("light");
};
},
link: function(scope, element, attrs) { //操作DOM
element.addClass(‘btn btn-primary‘);
element.bind("mouseenter", function() {
console.log(scope.abilities);
});
}
}
});
myModule.directive("strength", function() {
return {
require: ‘^superman‘,
link: function(scope, element, attrs, supermanCtrl) {
supermanCtrl.addStrength();
}
}
});
myModule.directive("speed", function() {
return {
require: ‘^superman‘,
link: function(scope, element, attrs, supermanCtrl) {
supermanCtrl.addSpeed();
}
}
});
myModule.directive("light", function() {
return {
require: ‘^superman‘,
link: function(scope, element, attrs, supermanCtrl) {
supermanCtrl.addLight();
}
}
});
时间： 2024-08-10 23:21:11