{"id":40342,"date":"2024-11-26T15:09:39","date_gmt":"2024-11-26T07:09:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40342\/"},"modified":"2024-11-26T15:09:39","modified_gmt":"2024-11-26T07:09:39","slug":"d-aplicando-o-principio-da-inversao-de-dependencias-com-typescript-e-java","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40342\/","title":{"rendered":"(D): Aplicando o &#8220;Princ\u00edpio da Invers\u00e3o de Depend\u00eancias&#8221; com Typescript e Java"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173257956349348.jpg\" class=\"aligncenter\" title=\"(D): Aplicando o &#8220;Princ\u00edpio da Invers\u00e3o de Depend\u00eancias&#8221; com Typescript e Java\u63d2\u56fe\" alt=\"(D): Aplicando o &#8220;Princ\u00edpio da Invers\u00e3o de Depend\u00eancias&#8221; com Typescript e Java\u63d2\u56fe\" \/><\/p>\n<h2> \u6982\u5ff5 <\/h2>\n<p>solid \u662f\u4e00\u4e2a\u7f29\u5199\u8bcd\uff0c\u4ee3\u8868\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u4e94\u4e2a\u57fa\u672c\u539f\u5219\uff0c\u7531 robert c. martin\uff08\u9c8d\u52c3\u5927\u53d4\uff09\u63d0\u51fa\u3002\u5728\u8fd9\u91cc\u60a8\u53ef\u4ee5\u9605\u8bfb\u6709\u5173\u4ed6\u7684\u6587\u7ae0\u7684\u66f4\u591a\u4fe1\u606f\u3002<br \/> \u8fd9\u4e9b\u539f\u5219\u65e8\u5728\u6539\u8fdb\u4ee3\u7801\u7684\u7ed3\u6784\u548c\u7ef4\u62a4\uff0c\u4f7f\u5176\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u4e14\u66f4\u6613\u4e8e\u7406\u89e3\u3002\u8fd9\u4e9b\u539f\u5219\u53ef\u4ee5\u5e2e\u52a9\u7a0b\u5e8f\u5458\u521b\u5efa\u66f4\u6709\u7ec4\u7ec7\u7684\u4ee3\u7801\u3001\u5212\u5206\u804c\u8d23\u3001\u51cf\u5c11\u4f9d\u8d56\u3001\u7b80\u5316\u91cd\u6784\u8fc7\u7a0b\u5e76\u4fc3\u8fdb\u4ee3\u7801\u91cd\u7528\u3002<\/p>\n<p>\u7f29\u5199\u4e2d\u7684\u201cd\u201d\u4ee3\u8868<strong>\u201c\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u201d<\/strong>\u3002 bob\u53d4\u53d4\u7528\u6765\u5b9a\u4e49\u8fd9\u4e2a\u539f\u5219\u7684\u4e00\u53e5\u8bdd\u662f\uff1a<\/p>\n<blockquote><p>\n  \u201c\u9ad8\u5c42\u6a21\u5757\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6a21\u5757\u3002\u4e24\u8005\u90fd\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u3002\u62bd\u8c61\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u7ec6\u8282\u3002\u7ec6\u8282\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u201d\n<\/p><\/blockquote>\n<p><strong>\u4f9d\u8d56\u5012\u7f6e\u539f\u5219<\/strong>\u65e8\u5728\u51cf\u5c11\u7cfb\u7edf\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8026\u5408\uff0c\u63d0\u9ad8\u7075\u6d3b\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002<\/p>\n<h3> dip \u89e3\u51b3\u7684\u95ee\u9898 <\/h3>\n<ul>\n<li> <strong>\u7d27\u5bc6\u8026\u5408<\/strong>\uff1a\u5f53\u4e00\u4e2a\u6a21\u5757\u76f4\u63a5\u4f9d\u8d56\u4e8e\u5177\u4f53\u5b9e\u73b0\u65f6\uff0c\u5bf9\u8be5\u5b9e\u73b0\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u5f71\u54cd\u5176\u4ed6\u6a21\u5757\u3002<\/li>\n<li> <strong>\u6d4b\u8bd5\u96be\u5ea6<\/strong>\uff1a\u6d4b\u8bd5\u76f4\u63a5\u8026\u5408\u5230\u7279\u5b9a\u5b9e\u73b0\u7684\u4ee3\u7801\u5355\u5143\u66f4\u52a0\u590d\u6742\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u4f7f\u7528\u8fd9\u4e9b\u5177\u4f53\u5b9e\u73b0\uff0c\u56e0\u6b64\u5f88\u96be\u521b\u5efa\u6a21\u62df\u6216\u5b58\u6839\u3002<\/li>\n<li> <strong>\u53ef\u91cd\u7528\u6027\u4f4e<\/strong>\uff1a\u4e0e\u5177\u4f53\u7ec6\u8282\u9ad8\u5ea6\u8026\u5408\u7684\u6a21\u5757\u5728\u5176\u4ed6\u4e0a\u4e0b\u6587\u4e2d\u7684\u53ef\u91cd\u7528\u6027\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n<h2> \u5b9e\u9645\u5e94\u7528 <\/h2>\n<p>\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u4ee3\u7801\u8d1f\u8d23\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u901a\u77e5\uff0c\u4ee5\u5206\u6790\u95ee\u9898\u548c\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848<\/p>\n<h4> \u722a\u54c7 <\/h4>\n<pre>class emailservice {\n    public void sendemail(string message) {\n        system.out.println(\"sending email: \" + message);\n    }\n}\n\nclass notification {\n    private emailservice emailservice;\n\n    public notification() {\n        this.emailservice = new emailservice();\n    }\n\n    public void notify(string message) {\n        this.emailservice.sendemail(message);\n    }\n}\n\n\/\/ uso\npublic class main {\n    public static void main(string[] args) {\n        notification notification = new notification();\n        notification.notify(\"welcome to our service!\");\n    }\n}\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4> \u6253\u5b57\u7a3f <\/h4>\n<pre>class emailservice {\n    sendemail(message: string): void {\n        console.log(`sending email: ${message}`);\n    }\n}\n\nclass notification {\n    private emailservice: emailservice;\n\n    constructor() {\n        this.emailservice = new emailservice();\n    }\n\n    notify(message: string): void {\n        this.emailservice.sendemail(message);\n    }\n}\n\n\/\/ uso\nconst notification = new notification();\nnotification.notify(\"welcome to our service!\");\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3> \u95ee\u9898\uff1a <\/h3>\n<ul>\n<li>notification \u7c7b\u76f4\u63a5\u4f9d\u8d56\u4e8e\u5177\u4f53\u5b9e\u73b0\uff08emlservice\uff09\u3002<\/li>\n<li>\u5982\u679c\u6211\u4eec\u60f3\u66f4\u6539\u901a\u77e5\u6e20\u9053\uff08\u4f8b\u5982\uff1a\u77ed\u4fe1\uff09\uff0c\u6211\u4eec\u9700\u8981\u66f4\u6539\u901a\u77e5\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<h3> \u89e3\u51b3\u65b9\u6848\u548c\u4f18\u70b9\uff1a <\/h3>\n<ul>\n<li> \u901a\u77e5\u4e0d\u9700\u8981\u77e5\u9053\u6d88\u606f\u5982\u4f55\u53d1\u9001\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/li>\n<li>\u6613\u4e8e\u66f4\u6362\u6216\u6dfb\u52a0\u65b0\u7684\u6c9f\u901a\u6e20\u9053\u3002<\/li>\n<li>\u6211\u4eec\u53ef\u4ee5\u5355\u72ec\u6d4b\u8bd5\u901a\u77e5\uff0c\u800c\u4e0d\u9700\u8981\u4f9d\u8d56\u5b9e\u9645\u7684\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<h4> \u722a\u54c7 <\/h4>\n<pre>public interface messageservice {\n    void sendmessage(string message);\n}\n\npublic class emailservice implements messageservice {\n    @override\n    public void sendmessage(string message) {\n        system.out.println(\"sending email: \" + message);\n    }\n}\n\npublic class smsservice implements messageservice {\n    @override\n    public void sendmessage(string message) {\n        system.out.println(\"sending sms: \" + message);\n    }\n}\n\npublic class notification {\n    private final messageservice messageservice;\n\n    public notification(messageservice messageservice) {\n        this.messageservice = messageservice;\n    }\n\n    public void notify(string message) {\n        messageservice.sendmessage(message);\n    }\n}\n\n\/\/ uso\npublic class main {\n    public static void main(string[] args) {\n        notification emailnotification = new notification(new emailservice());\n        emailnotification.notify(\"welcome via email!\");\n\n        notification smsnotification = new notification(new smsservice());\n        smsnotification.notify(\"welcome via sms!\");\n    }\n}\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4> \u6253\u5b57\u7a3f <\/h4>\n<pre>interface messageservice {\n    sendmessage(message: string): void;\n}\n\nclass emailservice implements messageservice {\n    sendmessage(message: string): void {\n        console.log(`sending email: ${message}`);\n    }\n}\n\nclass smsservice implements messageservice {\n    sendmessage(message: string): void {\n        console.log(`sending sms: ${message}`);\n    }\n}\n\nclass notification {\n    private messageservice: messageservice;\n\n    constructor(messageservice: messageservice) {\n        this.messageservice = messageservice;\n    }\n\n    notify(message: string): void {\n        this.messageservice.sendmessage(message);\n    }\n}\n\n\/\/ uso\nconst emailnotification = new notification(new emailservice());\nemailnotification.notify(\"welcome via email!\");\n\nconst smsnotification = new notification(new smsservice());\nsmsnotification.notify(\"welcome via sms!\");\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3> 3. \u5355\u5143\u6d4b\u8bd5 <\/h3>\n<h4> \u722a\u54c7 <\/h4>\n<pre>public class mockmessageservice implements messageservice {\n    @override\n    public void sendmessage(string message) {\n        system.out.println(\"mock message sent: \" + message);\n    }\n}\n\n\/\/ teste com o mock\npublic class main {\n    public static void main(string[] args) {\n        messageservice mockmessageservice = new mockmessageservice();\n        notification mocknotification = new notification(mockmessageservice);\n        mocknotification.notify(\"test message\");\n    }\n}\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4> \u6253\u5b57\u7a3f <\/h4>\n<pre>class MockMessageService implements MessageService {\n    sendMessage(message: string): void {\n        console.log(`Mock message sent: ${message}`);\n    }\n}\n\n\/\/ Teste com o mock\nconst mockNotification = new Notification(new MockMessageService());\nmockNotification.notify(\"Test message\");\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h2> \u7ed3\u8bba <\/h2>\n<p>\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\uff08dip\uff09\u662f\u7075\u6d3b\u800c\u5065\u58ee\u7684\u9879\u76ee\u7684\u57fa\u672c\u652f\u67f1\u3002\u5b83\u5141\u8bb8\u60a8\u51cf\u5c11\u7c7b\u4e4b\u95f4\u7684\u8026\u5408\uff0c\u4fc3\u8fdb\u4ee3\u7801\u91cd\u7528\u5e76\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u6d4b\u8bd5\u6027\u3002\u901a\u8fc7\u4f9d\u8d56\u62bd\u8c61\uff0c\u60a8\u7684\u7cfb\u7edf\u53d8\u5f97\u66f4\u80fd\u9002\u5e94\u53d8\u5316\u5e76\u53ef\u901a\u8fc7\u65b0\u529f\u80fd\u8fdb\u884c\u6269\u5c55\u3002\u5b9e\u9645\u793a\u4f8b\u5c55\u793a\u4e86\u5c0f\u7684\u8bbe\u8ba1\u8c03\u6574\u5982\u4f55\u89e3\u51b3\u7ecf\u5e38\u51fa\u73b0\u7684\u7ef4\u62a4\u95ee\u9898\u3002\u5c06 dip \u4e0e\u5176\u4ed6 solid \u539f\u5219\u7ed3\u5408\u5e94\u7528\u53ef\u786e\u4fdd\u66f4\u6e05\u6670\u7684\u4ee3\u7801\uff0c\u4e3a\u589e\u957f\u505a\u597d\u51c6\u5907\u3002\u91c7\u7528\u8fd9\u4e9b\u6982\u5ff5\u5bf9\u4e8e\u5bfb\u6c42\u5353\u8d8a\u8f6f\u4ef6\u67b6\u6784\u7684\u5f00\u53d1\u4eba\u5458\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<h2> \u53c2\u8003\u4e66\u76ee <\/h2>\n<ul>\n<li>martin\uff0crobert c. <em>\u654f\u6377\u8f6f\u4ef6\u5f00\u53d1\u3001\u539f\u5219\u3001\u6a21\u5f0f\u548c\u5b9e\u8df5<\/em>\u3002\u666e\u4f26\u8482\u65af\u00b7\u970d\u5c14\uff0c2002 \u5e74\u3002<\/li>\n<li>\u8482\u4e9a\u6208\u00b7\u83b1\u7279\u548c\u5361\u74e6\u7565\u3002 <em>\u9762\u5411\u5bf9\u8c61<\/em>\u3002 casa do code\uff0c2014\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f(D): Aplicando o &#8220;Princ\u00edpio da Invers\u00e3o de Depend\u00eancias&#8221; com Typescript e Java\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u5ff5 solid \u662f\u4e00\u4e2a\u7f29\u5199\u8bcd\uff0c\u4ee3\u8868\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u4e94\u4e2a\u57fa\u672c\u539f\u5219\uff0c\u7531 robert c. martin\uff08\u9c8d\u52c3\u5927\u53d4\uff09\u63d0\u51fa\u3002\u5728\u8fd9\u91cc\u60a8\u53ef\u4ee5\u9605\u8bfb\u6709\u5173\u4ed6\u7684\u6587\u7ae0\u7684\u66f4\u591a\u4fe1\u606f\u3002 \u8fd9\u4e9b\u539f\u5219\u65e8\u5728\u6539\u8fdb\u4ee3\u7801\u7684\u7ed3\u6784\u548c\u7ef4\u62a4\uff0c\u4f7f\u5176\u66f4\u52a0\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u4e14\u66f4\u6613\u4e8e\u7406\u89e3\u3002\u8fd9\u4e9b\u539f\u5219\u53ef\u4ee5\u5e2e\u52a9\u7a0b\u5e8f\u5458\u521b\u5efa\u66f4\u6709\u7ec4\u7ec7\u7684\u4ee3\u7801\u3001\u5212\u5206\u804c\u8d23\u3001\u51cf\u5c11\u4f9d\u8d56\u3001\u7b80\u5316\u91cd\u6784\u8fc7\u7a0b\u5e76\u4fc3\u8fdb\u4ee3\u7801\u91cd\u7528\u3002 \u7f29\u5199\u4e2d\u7684\u201cd\u201d\u4ee3\u8868\u201c\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u201d\u3002 bob\u53d4\u53d4\u7528\u6765\u5b9a\u4e49\u8fd9\u4e2a\u539f\u5219\u7684\u4e00\u53e5\u8bdd\u662f\uff1a \u201c\u9ad8\u5c42\u6a21\u5757\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6a21\u5757\u3002\u4e24\u8005\u90fd\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u3002\u62bd\u8c61\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u7ec6\u8282\u3002\u7ec6\u8282\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u201d \u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u65e8\u5728\u51cf\u5c11\u7cfb\u7edf\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8026\u5408\uff0c\u63d0\u9ad8\u7075\u6d3b\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u3002 dip \u89e3\u51b3\u7684\u95ee\u9898 \u7d27\u5bc6\u8026\u5408\uff1a\u5f53\u4e00\u4e2a\u6a21\u5757\u76f4\u63a5\u4f9d\u8d56\u4e8e\u5177\u4f53\u5b9e\u73b0\u65f6\uff0c\u5bf9\u8be5\u5b9e\u73b0\u7684\u66f4\u6539\u53ef\u80fd\u4f1a\u5f71\u54cd\u5176\u4ed6\u6a21\u5757\u3002 \u6d4b\u8bd5\u96be\u5ea6\uff1a\u6d4b\u8bd5\u76f4\u63a5\u8026\u5408\u5230\u7279\u5b9a\u5b9e\u73b0\u7684\u4ee3\u7801\u5355\u5143\u66f4\u52a0\u590d\u6742\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u4f7f\u7528\u8fd9\u4e9b\u5177\u4f53\u5b9e\u73b0\uff0c\u56e0\u6b64\u5f88\u96be\u521b\u5efa\u6a21\u62df\u6216\u5b58\u6839\u3002 \u53ef\u91cd\u7528\u6027\u4f4e\uff1a\u4e0e\u5177\u4f53\u7ec6\u8282\u9ad8\u5ea6\u8026\u5408\u7684\u6a21\u5757\u5728\u5176\u4ed6\u4e0a\u4e0b\u6587\u4e2d\u7684\u53ef\u91cd\u7528\u6027\u8f83\u4f4e\u3002 \u5b9e\u9645\u5e94\u7528 \u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u4ee3\u7801\u8d1f\u8d23\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u901a\u77e5\uff0c\u4ee5\u5206\u6790\u95ee\u9898\u548c\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848 \u722a\u54c7 class emailservice { public void sendemail(string message) { system.out.println(&#8220;sending email: &#8221; + message); } } class notification { private emailservice emailservice; public notification() { this.emailservice = new emailservice(); } public void notify(string message) { this.emailservice.sendemail(message); } 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