JS 代理模式

<!DOCTYPE html>

<html>

	<head>

		<meta charset="UTF-8">

		<title></title>

		<script>

			/*-------代理模式，A想执行C方法，A调用B间接执行*/

			function peopleSing() {

				this.singSong = function() {

					var songName = new peopleManageSongs().getSongName();

					alert("老子拿到歌了，你妈~~" + songName);

				};

			};

			function peopleManageSongs() {}

			peopleManageSongs.prototype.getSongName = function() {

				var name = new SongsCreator().getSongName('001');

				return name;

			}

			function SongsCreator() {

				this.getSongName = function(number) {

					switch (number) {

						case '001':

							return "独家记忆";

						case '002':

							return "空白格";

						case "003":

							return "蓝蓝的天上白云飘";

						default:

							return "我的心好累";

					}

				}

				this.getVipSongsName = function() {

					return "这是VIP的歌";

				}

			}

			var  p = new peopleSing().singSong();

		</script>

	</head>

	<body>

	</body>

</html>
巴特西

JS 代理模式

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