\u4e00\u3001 \u95e8\u9762\uff08Facade\uff09\u6a21\u5f0f
\u5916\u90e8\u4e0e\u4e00\u4e2a\u5b50\u7cfb\u7edf\u7684\u901a\u4fe1\u5fc5\u987b\u901a\u8fc7\u4e00\u4e2a\u7edf\u4e00\u7684\u95e8\u9762(Facade)\u5bf9\u8c61\u8fdb\u884c\uff0c\u8fd9\u5c31\u662f\u95e8\u9762\u6a21\u5f0f\u3002<\/p>\n
\u533b\u9662\u7684\u4f8b\u5b50<\/p>\n
\u7528\u4e00\u4e2a\u4f8b\u5b50\u8fdb\u884c\u8bf4\u660e\uff0c\u5982\u679c\u628a\u533b\u9662\u4f5c\u4e3a\u4e00\u4e2a\u5b50\u7cfb\u7edf\uff0c\u6309\u7167\u90e8\u95e8\u804c\u80fd\uff0c\u8fd9\u4e2a\u7cfb\u7edf\u53ef\u4ee5\u5212\u5206\u4e3a\u6302\u53f7\u3001\u95e8\u8bca\u3001\u5212\u4ef7\u3001\u5316\u9a8c\u3001\u6536\u8d39\u3001\u53d6\u836f\u7b49\u3002\u770b\u75c5\u7684\u75c5\u4eba\u8981\u4e0e\u8fd9\u4e9b\u90e8\u95e8\u6253\u4ea4\u9053\uff0c\u5c31\u5982\u540c\u4e00\u4e2a\u5b50\u7cfb\u7edf\u7684\u5ba2\u6237\u7aef\u4e0e\u4e00\u4e2a\u5b50\u7cfb\u7edf\u7684\u5404\u4e2a\u7c7b\u6253\u4ea4\u9053\u4e00\u6837\uff0c\u4e0d\u662f\u4e00\u4ef6\u5bb9\u6613\u7684\u4e8b\u60c5\u3002<\/p>\n
\u9996\u5148\u75c5\u4eba\u5fc5\u987b\u5148\u6302\u53f7\uff0c\u7136\u540e\u95e8\u8bca\u3002\u5982\u679c\u533b\u751f\u8981\u6c42\u5316\u9a8c\uff0c\u75c5\u4eba\u5fc5\u987b\u9996\u5148\u5212\u4ef7\uff0c\u7136\u540e\u7f34\u6b3e\uff0c\u624d\u80fd\u5230\u5316\u9a8c\u90e8\u95e8\u505a\u5316\u9a8c\u3002\u5316\u9a8c\u540e\uff0c\u518d\u56de\u5230\u95e8\u8bca\u5ba4\u3002<\/p>\n
\u89e3\u51b3\u8fd9\u79cd\u4e0d\u4fbf\u7684\u65b9\u6cd5\u4fbf\u662f\u5f15\u8fdb\u95e8\u9762\u6a21\u5f0f\u3002\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u63a5\u5f85\u5458\u7684\u4f4d\u7f6e\uff0c\u7531\u63a5\u5f85\u5458\u8d1f\u8d23\u4ee3\u4e3a\u6302\u53f7\u3001\u5212\u4ef7\u3001\u7f34\u8d39\u3001\u53d6\u836f\u7b49\u3002\u8fd9\u4e2a\u63a5\u5f85\u5458\u5c31\u662f\u95e8\u9762\u6a21\u5f0f\u7684\u4f53\u73b0\uff0c\u75c5\u4eba\u53ea\u63a5\u89e6\u63a5\u5f85\u5458\uff0c\u7531\u63a5\u5f85\u5458\u8d1f\u8d23\u4e0e\u533b\u9662\u7684\u5404\u4e2a\u90e8\u95e8\u6253\u4ea4\u9053\u3002<\/p>\n
\u4ec0\u4e48\u662f\u95e8\u9762\u6a21\u5f0f<\/p>\n
\u95e8\u9762\u6a21\u5f0f\u8981\u6c42\u4e00\u4e2a\u5b50\u7cfb\u7edf\u7684\u5916\u90e8\u4e0e\u5176\u5185\u90e8\u7684\u901a\u4fe1\u5fc5\u987b\u901a\u8fc7\u4e00\u4e2a\u7edf\u4e00\u7684\u95e8\u9762(Facade)\u5bf9\u8c61\u8fdb\u884c\u3002\u95e8\u9762\u6a21\u5f0f\u63d0\u4f9b\u4e00\u4e2a\u9ad8\u5c42\u6b21\u7684\u63a5\u53e3\uff0c\u4f7f\u5f97\u5b50\u7cfb\u7edf\u66f4\u6613\u4e8e\u4f7f\u7528\u3002<\/p>\n
\u5c31\u5982\u540c\u533b\u9662\u7684\u63a5\u5f85\u5458\u4e00\u6837\uff0c\u95e8\u9762\u6a21\u5f0f\u7684\u95e8\u9762\u7c7b\u5c06\u5ba2\u6237\u7aef\u4e0e\u5b50\u7cfb\u7edf\u7684\u5185\u90e8\u590d\u6742\u6027\u5206\u9694\u5f00\uff0c\u4f7f\u5f97\u5ba2\u6237\u7aef\u53ea\u9700\u8981\u4e0e\u95e8\u9762\u5bf9\u8c61\u6253\u4ea4\u9053\uff0c\u800c\u4e0d\u9700\u8981\u4e0e\u5b50\u7cfb\u7edf\u5185\u90e8\u7684\u5f88\u591a\u5bf9\u8c61\u6253\u4ea4\u9053\u3002<\/p>\n
\u4e8c\u3001 \u95e8\u9762\u6a21\u5f0f\u7684\u7ed3\u6784
\u95e8\u9762\u6a21\u5f0f\u662f\u5bf9\u8c61\u7684\u7ed3\u6784\u6a21\u5f0f\u3002\u95e8\u9762\u6a21\u5f0f\u6ca1\u6709\u4e00\u4e2a\u4e00\u822c\u5316\u7684\u7c7b\u56fe\u63cf\u8ff0\uff0c\u4e0b\u56fe\u6f14\u793a\u4e86\u4e00\u4e2a\u95e8\u9762\u6a21\u5f0f\u7684\u793a\u610f\u6027\u5bf9\u8c61\u56fe\uff1a![](\"http:\/\/www.poloo.org\/wp-content\/attachments\/month_0803\/a200834153331.gif\")
\u5728\u8fd9\u4e2a\u5bf9\u8c61\u56fe\u4e2d\uff0c\u51fa\u73b0\u4e86\u4e24\u4e2a\u89d2\u8272\uff1a<\/p>\n
\u95e8\u9762(Facade)\u89d2\u8272\uff1a\u5ba2\u6237\u7aef\u53ef\u4ee5\u8c03\u7528\u8fd9\u4e2a\u89d2\u8272\u7684\u65b9\u6cd5\u3002\u6b64\u89d2\u8272\u77e5\u6653\u76f8\u5173\u7684(\u4e00\u4e2a\u6216\u8005\u591a\u4e2a)\u5b50\u7cfb\u7edf\u7684\u529f\u80fd\u548c\u8d23\u4efb\u3002\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u672c\u89d2\u8272\u4f1a\u5c06\u6240\u6709\u4ece\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8bf7\u6c42\u59d4\u6d3e\u5230\u76f8\u5e94\u7684\u5b50\u7cfb\u7edf\u53bb\u3002<\/p>\n
\u5b50\u7cfb\u7edf(subsystem)\u89d2\u8272\uff1a\u53ef\u4ee5\u540c\u65f6\u6709\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5b50\u7cfb\u7edf\u3002\u6bcf\u4e00\u4e2a\u5b50\u7cfb\u7edf\u90fd\u4e0d\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u7c7b\uff0c\u800c\u662f\u4e00\u4e2a\u7c7b\u7684\u96c6\u5408\u3002\u6bcf\u4e00\u4e2a\u5b50\u7cfb\u7edf\u90fd\u53ef\u4ee5\u88ab\u5ba2\u6237\u7aef\u76f4\u63a5\u8c03\u7528\uff0c\u6216\u8005\u88ab\u95e8\u9762\u89d2\u8272\u8c03\u7528\u3002\u5b50\u7cfb\u7edf\u5e76\u4e0d\u77e5\u9053\u95e8\u9762\u7684\u5b58\u5728\uff0c\u5bf9\u4e8e\u5b50\u7cfb\u7edf\u800c\u8a00\uff0c\u95e8\u9762\u4ec5\u4ec5\u662f\u53e6\u5916\u4e00\u4e2a\u5ba2\u6237\u7aef\u800c\u5df2\u3002<\/p>\n
\u4e09\u3001 \u95e8\u9762\u6a21\u5f0f\u7684\u5b9e\u73b0
\u4e00\u4e2a\u7cfb\u7edf\u53ef\u4ee5\u6709\u51e0\u4e2a\u95e8\u9762\u7c7b<\/p>\n
\u3010GOF\u3011\u7684\u4e66\u4e2d\u6307\u51fa\uff1a\u5728\u95e8\u9762\u6a21\u5f0f\u4e2d\uff0c\u901a\u5e38\u53ea\u9700\u8981\u4e00\u4e2a\u95e8\u9762\u7c7b\uff0c\u5e76\u4e14\u6b64\u95e8\u9762\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6362\u8a00\u4e4b\u5b83\u662f\u4e00\u4e2a\u5355\u4f8b\u7c7b\u3002\u5f53\u7136\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u5728\u6574\u4e2a\u7cfb\u7edf\u91cc\u53ea\u80fd\u6709\u4e00\u4e2a\u95e8\u9762\u7c7b\uff0c\u800c\u4ec5\u4ec5\u662f\u8bf4\u5bf9\u6bcf\u4e00\u4e2a\u5b50\u7cfb\u7edf\u53ea\u6709\u4e00\u4e2a\u95e8\u9762\u7c7b\u3002\u6216\u8005\u8bf4\uff0c\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u6709\u597d\u51e0\u4e2a\u5b50\u7cfb\u7edf\u7684\u8bdd\uff0c\u6bcf\u4e00\u4e2a\u5b50\u7cfb\u7edf\u6709\u4e00\u4e2a\u95e8\u9762\u7c7b\uff0c\u6574\u4e2a\u7cfb\u7edf\u53ef\u4ee5\u6709\u6570\u4e2a\u95e8\u9762\u7c7b\u3002<\/p>\n
\u4e3a\u5b50\u7cfb\u7edf\u589e\u52a0\u65b0\u884c\u4e3a<\/p>\n
\u521d\u5b66\u8005\u5f80\u5f80\u4ee5\u4e3a\u901a\u8fc7\u7ee7\u627f\u4e00\u4e2a\u95e8\u9762\u7c7b\u4fbf\u53ef\u5728\u5b50\u7cfb\u7edf\u4e2d\u52a0\u5165\u65b0\u7684\u884c\u4e3a\uff0c\u8fd9\u662f\u9519\u8bef\u7684\u3002\u95e8\u9762\u6a21\u5f0f\u7684\u7528\u610f\u662f\u4e3a\u5b50\u7cfb\u7edf\u63d0\u4f9b\u4e00\u4e2a\u96c6\u4e2d\u5316\u548c\u7b80\u5316\u7684\u6c9f\u901a\u7ba1\u9053\uff0c\u800c\u4e0d\u80fd\u5411\u5b50\u7cfb\u7edf\u52a0\u5165\u65b0\u7684\u884c\u4e3a\u3002<\/p>\n
\u56db\u3001 \u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u4f7f\u7528\u95e8\u9762\u6a21\u5f0f
\u4e3a\u4e00\u4e2a\u590d\u6742\u5b50\u7cfb\u7edf\u63d0\u4f9b\u4e00\u4e2a\u7b80\u5355\u63a5\u53e3
\u63d0\u9ad8\u5b50\u7cfb\u7edf\u7684\u72ec\u7acb\u6027
\u5728\u5c42\u6b21\u5316\u7ed3\u6784\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Facade\u6a21\u5f0f\u5b9a\u4e49\u7cfb\u7edf\u4e2d\u6bcf\u4e00\u5c42\u7684\u5165\u53e3\u3002 <\/p>\n
\u4e94\u3001 \u4e00\u4e2a\u4f8b\u5b50
\u6211\u4eec\u8003\u5bdf\u4e00\u4e2a\u4fdd\u5b89\u7cfb\u7edf\u7684\u4f8b\u5b50\uff0c\u4ee5\u8bf4\u660e\u95e8\u9762\u6a21\u5f0f\u7684\u529f\u6548\u3002\u4e00\u4e2a\u4fdd\u5b89\u7cfb\u7edf\u7531\u4e24\u4e2a\u5f55\u50cf\u673a\u3001\u4e09\u4e2a\u7535\u706f\u3001\u4e00\u4e2a\u9065\u611f\u5668\u548c\u4e00\u4e2a\u8b66\u62a5\u5668\u7ec4\u6210\u3002\u4fdd\u5b89\u7cfb\u7edf\u7684\u64cd\u4f5c\u4eba\u5458\u9700\u8981\u7ecf\u5e38\u5c06\u8fd9\u4e9b\u4eea\u5668\u542f\u52a8\u548c\u5173\u95ed\u3002<\/p>\n
\u4e0d\u4f7f\u7528\u95e8\u9762\u6a21\u5f0f\u7684\u8bbe\u8ba1<\/p>\n
\u9996\u5148\uff0c\u5728\u4e0d\u4f7f\u7528\u95e8\u9762\u6a21\u5f0f\u7684\u60c5\u51b5\u4e0b\uff0c\u64cd\u4f5c\u8fd9\u4e2a\u4fdd\u5b89\u7cfb\u7edf\u7684\u64cd\u4f5c\u5458\u5fc5\u987b\u76f4\u63a5\u64cd\u4f5c\u6240\u6709\u7684\u8fd9\u4e9b\u90e8\u4ef6\u3002\u4e0b\u56fe\u6240\u793a\u5c31\u662f\u5728\u4e0d\u4f7f\u7528\u95e8\u9762\u6a21\u5f0f\u7684\u60c5\u51b5\u4e0b\u7cfb\u7edf\u7684\u8bbe\u8ba1\u56fe\u3002<\/p>\n
public class Camera public void TurnOff() public void Rotate(int degrees) public class Light public void TurnOff() public void TurnOn() public void ChangeBulb() public class Sensor public void Deactivate() public void Trigger() public class Alarm public void Activate() public void Deactivate() public void Ring() public void StopRing() public class Client static Client() public static void Main( string[] args ) \u516d\u3001 \u4f7f\u7528\u95e8\u9762\u6a21\u5f0f\u7684\u8bbe\u8ba1 public class Camera public void TurnOff() public void Rotate(int degrees) public class Light public void TurnOff() public void TurnOn() public void ChangeBulb() public class Sensor public void Deactivate() public void Trigger() public class Alarm public void Activate() public void Deactivate() public void Ring() public void StopRing() public class SecurityFacade static SecurityFacade() public void Deactivate() public class Client public static void Main( string[] args ) \u4e00\u3001 \u95e8\u9762\uff08Facade\uff09\u6a21\u5f0f\u5916\u90e8\u4e0e\u4e00\u4e2a\u5b50\u7cfb\u7edf\u7684\u901a\u4fe1\u5fc5\u987b\u901a\u8fc7\u4e00\u4e2a\u7edf\u4e00...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-97","post","type-post","status-publish","format-standard","hentry","category-Note"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/97","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=97"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/97\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![](\"http:\/\/www.poloo.org\/wp-content\/attachments\/month_0803\/j200834153340.gif\")
\u53ef\u4ee5\u770b\u51fa\uff0cClient\u5bf9\u8c61\u9700\u8981\u5f15\u7528\u5230\u6240\u6709\u7684\u5f55\u50cf\u673a(Camera)\u3001\u7535\u706f(Light)\u3001\u611f\u5e94\u5668(Sensor)\u548c\u8b66\u62a5\u5668(Alarm)\u5bf9\u8c61\u3002\u4ee3\u7801\u5982\u4e0b\uff1ausing System;<\/p>\n
{
public void TurnOn()
{
Console.WriteLine(\"Turning on the camera.\");
}<\/p>\n
{
Console.WriteLine(\"Turning off the camera.\");
}<\/p>\n
{
Console.WriteLine(\"Rotating the camera by {0} degrees.\", degrees);
}
}<\/p>\n
{<\/p>\n
{
Console.WriteLine(\"Turning on the light.\");
}<\/p>\n
{
Console.WriteLine(\"Turning off the light.\");
}<\/p>\n
{
Console.WriteLine(\"changing the light-bulb.\");
}
}<\/p>\n
{
public void Activate()
{
Console.WriteLine(\"Activating the sensor.\");
}<\/p>\n
{
Console.WriteLine(\"Deactivating the sensor.\");
}<\/p>\n
{
Console.WriteLine(\"The sensor has triggered.\");
}
}<\/p>\n
{<\/p>\n
{
Console.WriteLine(\"Activating the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Deactivating the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Ringing the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Stop the alarm.\");
}
}<\/p>\n
{
private static Camera camera1, camera2;
private static Light light1, light2, light3;
private static Sensor sensor;
private static Alarm alarm;<\/p>\n
{
camera1 = new Camera();
camera2 = new Camera();
light1 = new Light();
light2 = new Light();
light3 = new Light();
sensor = new Sensor();
alarm = new Alarm();
} <\/p>\n
{
camera1.TurnOn();
camera2.TurnOn();
light1.TurnOn();
light2.TurnOn();
light3.TurnOn();
sensor.Activate();
alarm.Activate();
}
}
<\/code> <\/p>\n
\u4e00\u4e2a\u5408\u60c5\u5408\u7406\u7684\u6539\u8fdb\u65b9\u6cd5\u5c31\u662f\u51c6\u5907\u4e00\u4e2a\u7cfb\u7edf\u7684\u63a7\u5236\u53f0\uff0c\u4f5c\u4e3a\u4fdd\u5b89\u7cfb\u7edf\u7684\u7528\u6237\u754c\u9762\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a![](\"http:\/\/www.poloo.org\/wp-content\/attachments\/month_0803\/d20083415349.gif\")
\u7a0b\u5e8f\u4ee3\u7801\u5982\u4e0b\uff1a
using System;<\/p>\n
{
public void TurnOn()
{
Console.WriteLine(\"Turning on the camera.\");
}<\/p>\n
{
Console.WriteLine(\"Turning off the camera.\");
}<\/p>\n
{
Console.WriteLine(\"Rotating the camera by {0} degrees.\", degrees);
}
}<\/p>\n
{<\/p>\n
{
Console.WriteLine(\"Turning on the light.\");
}<\/p>\n
{
Console.WriteLine(\"Turning off the light.\");
}<\/p>\n
{
Console.WriteLine(\"changing the light-bulb.\");
}
}<\/p>\n
{
public void Activate()
{
Console.WriteLine(\"Activating the sensor.\");
}<\/p>\n
{
Console.WriteLine(\"Deactivating the sensor.\");
}<\/p>\n
{
Console.WriteLine(\"The sensor has triggered.\");
}
}<\/p>\n
{<\/p>\n
{
Console.WriteLine(\"Activating the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Deactivating the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Ringing the alarm.\");
}<\/p>\n
{
Console.WriteLine(\"Stop the alarm.\");
}
}<\/p>\n
{
private static Camera camera1, camera2;
private static Light light1, light2, light3;
private static Sensor sensor;
private static Alarm alarm;<\/p>\n
{
camera1 = new Camera();
camera2 = new Camera();
light1 = new Light();
light2 = new Light();
light3 = new Light();
sensor = new Sensor();
alarm = new Alarm();
}
public void Activate()
{
camera1.TurnOn();
camera2.TurnOn();
light1.TurnOn();
light2.TurnOn();
light3.TurnOn();
sensor.Activate();
alarm.Activate();
}<\/p>\n
{
camera1.TurnOff();
camera2.TurnOff();
light1.TurnOff();
light2.TurnOff();
light3.TurnOff();
sensor.Deactivate();
alarm.Deactivate();
}
}<\/p>\n
{
private static SecurityFacade security;<\/p>\n
{
security = new SecurityFacade();
security.Activate();
Console.WriteLine(\"
\n--------------------
\n\");
security.Deactivate();
}
}
<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"