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  • angular_$attrs

    <!doctype html>
    <html>
        
        <head>
            <meta charset="utf-8">
            <title>
                无标题文档
            </title>
            <script src="http://localhost:81/js/jquery.js">
            </script>
            <script src="http://localhost:81/js/angular.min.js">
            </script>
        </head>
        
        <body ng-app="Demo">
            <div a>
                a_directive
            </div>
            <div ng-controller="TestCtrl">
                <h1 t>
                    原始内容
                </h1>
                <h2 t2>
                	原始内容
                </h2>
                <h3 t3="hiphop" title2="{{name}}">
                	原始内容
                </h3>
                <div compile></div>
                <div>
                    <test a="{{ a }}" b c="xxx"></test>
                    
                    <button ng-click="a=a+1">
                        修改
                    </button>
                </div>
                <te a="1" ys-a="123" ng-click="show(1)">这里</te>
            </div>
            <script>
                var app = angular.module('Demo', [], angular.noop);
                app.controller("TestCtrl",
                function($scope) {
                    $scope.name = "qihao";
                });
                app.directive("t",
                function() {
                    return {
    					controller : function($scope){$scope.name = "qq"},
    					template : "<div>test:implementToParent{{name}}</div>",
    					replace : true,
    					scope : true	 //作用域是继承的,默认就是继承的
    				}
                });
                app.directive("t2",
                function() {
                    return {
    					controller : function($scope){$scope.name = "nono"},
    					template : "<div>test:implementToParent{{name}}</div>",
    					replace : true,
    					restrict : "AE"
    				}
                });
                app.directive("t3",
                function() {
                    return {
    					template : "<div>test:implementToParent_titleIs:{{title}}<br>title2Is:{{title2}}</div>",
    					replace : true,
    					restrict : "AE",
    					scope : {
    						title : "@t3",
    						title2 : "@title2"
    					}
    				}
                });
                app.directive('a',
                function() {
                    var func = function() {
                        console.log('compile');
                        return function() {
                            console.log('link');
                        }
                    }
    
                    var controller = function($scope, $element, $attrs, $transclude) {
                        //$transclude :是指令标签的复制体
                        console.log('controller');
                        console.log($scope);
                        console.log($transclude);
    					//$transclude接受两个参数,你可以对这个克隆的元素进行操作,
    					var node = $transclude(function(clone_element, scope) {
                            $element.append(clone_element);
                            $element.append("<span>spanTag___</span>");
    						console.log(clone_element);
                            console.log('--');
                            console.log(scope);
                        });
                        console.log(node);
                    }
    
                    return {
                        compile: func,
                        template: "<h1 ng-transclude></h1>",
                        controller: controller,
                        transclude: true,
                        restrict: 'AE'
                    }
                });
    			app.directive('compile',function() {
    				var func = function() {
    					console.log('a compile');
    					return {
    						pre: function() {
    							console.log('a link pre')
    						},
    						post: function() {
    							console.log('a link post')
    						},
    					}
    				}
    				return {
    					restrict : "AE",
    					compile : func
    				}
    			})
    			  
    			  app.directive('test', function(){
    				var func = function($element, $attrs){
    				  console.log($attrs);
    			  
    				  $attrs.$observe('a', function(new_v){
    					console.log(new_v);
    				  });
    				}
    			  
    				return {compile: func,
    						restrict: 'E'}
    			  });
    			  
    			  app.controller('TestCtrl', function($scope){
    				$scope.a = 123;
    			  });
    			  
    			  app.directive('te', function(){
    				var func = function($scope,$element, $attrs,$ctrl){
    					console.log($ctrl)
    					//$attrs.$set. 给这个属性设置b,值为ooo,就是这样
    				  $attrs.$set('b', 'ooo');
    				  $attrs.$set('a-b', '11');
    				  //这个还有点不懂啊 //第二个参数值
    				  $attrs.$set('c-d', '11', true, 'c_d');
    				  console.log($attrs);
    				}
    			  
    				return {
    						compile: function(){
    							return func
    						},
    						restrict: 'E'
    					}
    			  });
    			  
    			  app.controller('TestCtrl', function($scope){
    				$scope.show = function(v){console.log(v);}
    			  });
            </script>
        </body>
    
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/diligenceday/p/3659080.html
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