{"id":228,"date":"2023-09-11T08:16:11","date_gmt":"2023-09-24T16:31:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/objective-c-%e4%bd%a0%e5%a5%bd%e4%b8%96%e7%95%8c%e6%95%99%e7%a8%8b\/"},"modified":"2025-08-01T02:40:45","modified_gmt":"2025-07-31T18:40:45","slug":"objective-c-%e4%bd%a0%e5%a5%bd%e4%b8%96%e7%95%8c%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/objective-c-%e4%bd%a0%e5%a5%bd%e4%b8%96%e7%95%8c%e6%95%99%e7%a8%8b\/","title":{"rendered":"Objective-C Hello World\uff1a\u65b0\u624b\u5165\u95e8\u4e0e\u73af\u5883\u642d\u5efa\u6559\u7a0b"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aObjective-C \u4f60\u597d\u4e16\u754c\u6559\u7a0b\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p>\u7531\u4e8e\u4ee5\u5f80\u5728\u7f16\u7a0b\u8bfe\u7a0b\u4e2d\u4e60\u60ef\u4ee5\u5411\u8ba1\u7b97\u673a\u5c4f\u5e55\u8f93\u51fa\u201cHello World!\u201d\u7684\u7a0b\u5e8f\u4f5c\u4e3a\u5f00\u59cb\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u4ee5\u5f00\u53d1\u8005\u5de5\u5177\u7684\u4f7f\u7528\u4e3a\u8d77\u70b9\uff0c\u5e76\u6df1\u5165\u5b66\u4e60\u201cHello World\u201d\u4ee3\u7801\u3002<\/p>\n<h3>Objective-C \u6982\u8ff0<\/h3>\n<p>Objective-C \u662f\u4e00\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u4e3b\u8981\u7528\u4e8e\u7f16\u5199\u9002\u7528\u4e8e\u82f9\u679c iOS \u548c macOS \u64cd\u4f5c\u7cfb\u7edf\u7684\u5e94\u7528\u7a0b\u5e8f\u3002Objective-C \u7f16\u7a0b\u8bed\u8a00\u57fa\u4e8e C \u8bed\u8a00\uff0c\u4f46\u5b83\u589e\u52a0\u4e86\u5bf9\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u652f\u6301\u3002\u6240\u6709\u7684 Objective-C \u7f16\u7a0b\u90fd\u5728 Foundation \u6846\u67b6\u4e0b\u8fdb\u884c\u3002<\/p>\n<h3>\u5b89\u88c5\u82f9\u679c\u5f00\u53d1\u8005\u5de5\u5177<\/h3>\n<p>\u7f16\u5199 iOS \u548c Mac \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u4e3b\u8981\u5e94\u7528\u7a0b\u5e8f\u662f Xcode\u3002Xcode \u662f\u82f9\u679c\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\uff0c\u53ea\u80fd\u5728 Mac \u4e0a\u4f7f\u7528\uff0c\u53ef\u4ece App Store \u4e0b\u8f7d\u3002<\/p>\n<h3>\u5f00\u59cb\u4f7f\u7528 Xcode<\/h3>\n<p>Xcode \u4f4d\u4e8e\u201c\u5e94\u7528\u7a0b\u5e8f\u201d\uff08Applications\uff09\u6587\u4ef6\u5939\u4e2d\uff0c\u5f53\u5176\u542f\u52a8\u65f6\u4f1a\u5f39\u51fa\u4ee5\u4e0b\u5bf9\u8bdd\u6846\uff1a\u9009\u62e9\u201c\u521b\u5efa\u65b0\u7684 Xcode \u9879\u76ee\u201d\uff08Create a new Xcode project\uff09\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u8bbe\u7f6e\u5411\u5bfc\u8fdb\u884c\u64cd\u4f5c\uff1a<\/p>\n<p>\u5728\u8fd9\u4e9b\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4e13\u6ce8\u4e8e\u57fa\u672c\u7684\u7f16\u7a0b\u65b9\u9762\uff0c\u907f\u514d\u6d89\u53ca\u7528\u6237\u754c\u9762\u4ee5\u7b80\u5316\u5b66\u4e60\u8fc7\u7a0b\uff0c\u56e0\u6b64\u9009\u62e9\u201c\u547d\u4ee4\u884c\u5de5\u5177\u201d\uff08Command Line Tool\uff09\u5e76\u70b9\u51fb\u201c\u4e0b\u4e00\u6b65\u201d\uff08Next\uff09\u3002<\/p>\n<p>\u8f93\u5165\u60a8\u6240\u5728\u7ec4\u7ec7\u7684\u8be6\u7ec6\u4fe1\u606f\u548c\u9879\u76ee\u540d\u79f0\u3002\u5982\u4e0b\u56fe\u6240\u793a\u9009\u62e9 Objective-C \u8bed\u8a00\u5e76\u70b9\u51fb\u201c\u4e0b\u4e00\u6b65\u201d\uff1a<\/p>\n<p>\u5728\u63a5\u4e0b\u6765\u7684\u7a97\u53e3\u4e2d\uff0c\u9009\u62e9\u60a8\u60f3\u8981\u521b\u5efa\u9879\u76ee\u76ee\u5f55\u7684\u6587\u4ef6\u5939\u3002\u8fd9\u4e2a\u9879\u76ee\u4e0d\u9700\u8981\u5b58\u50a8\u5e93\uff0c\u56e0\u6b64\u53d6\u6d88\u9009\u4e2d\u201c\u521b\u5efa Git \u5b58\u50a8\u5e93\u201d\uff08Create git repository\uff09\u7684\u590d\u9009\u6846\u3002\u6700\u540e\uff0c\u70b9\u51fb\u201c\u521b\u5efa\u201d\uff08Create\uff09\u6309\u94ae\u3002<\/p>\n<p>\u8fc7\u4e00\u4f1a\u513f\uff0c\u60a8\u5c06\u4f1a\u770b\u5230 Xcode \u7684\u4e3b\u754c\u9762\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0cObjective-C \u7a0b\u5e8f\u7684\u6269\u5c55\u540d\u662f <code>.m<\/code>\u3002<\/p>\n<h3>\u4ee3\u7801\u89e3\u6790<\/h3>\n<p>\u5f53\u7a0b\u5e8f\u7b2c\u4e00\u6b21\u542f\u52a8\u65f6\uff0c<code>main<\/code> \u51fd\u6570\u4f1a\u88ab\u8c03\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>#import &lt;Foundation\/Foundation.h&gt;\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u8bed\u53e5\u5199\u5728 <code>main<\/code> \u51fd\u6570\u4e4b\u4e0a\u3002\u5f53 Xcode \u521b\u5efa\u9879\u76ee\u65f6\uff0c\u5b83\u4f1a\u5bfc\u5165 Foundation \u6846\u67b6\u3002\u6846\u67b6\u662f\u4e00\u7ec4\u76f8\u5173\u7684\u7c7b\u3001\u51fd\u6570\u3001\u5e38\u91cf\u548c\u7c7b\u578b\u3002Foundation \u6846\u67b6\u5305\u542b\u4e86\u5728\u6240\u6709 iOS \u548c macOS \u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u57fa\u7840\u7c7b\u3002\u4e0e C \u8bed\u8a00\u4e2d\u4f7f\u7528\u7684 <code>#include<\/code> \u76f8\u6bd4\uff0c<code>#import<\/code> \u66f4\u5feb\u3001\u66f4\u9ad8\u6548\u3002\u5f53\u7f16\u8bd1\u5668\u9047\u5230 <code>#include<\/code> \u6307\u4ee4\u65f6\uff0c\u5b83\u4f1a\u76f4\u63a5\u590d\u5236\u548c\u7c98\u8d34\u8981\u5305\u542b\u7684\u6587\u4ef6\u5185\u5bb9\u3002\u800c\u5f53\u7f16\u8bd1\u5668\u9047\u5230 <code>#import<\/code> \u6307\u4ee4\u65f6\uff0c\u5b83\u9996\u5148\u68c0\u67e5\u662f\u5426\u6709\u5176\u4ed6\u6587\u4ef6\u5df2\u7ecf\u5bfc\u5165\u6216\u5305\u542b\u4e86\u8be5\u6587\u4ef6\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u201cHello World\u201d\u7684\u4ee3\u7801\uff1a<code>main.m<\/code><\/p>\n<pre class=\"post-pre\"><code>#import &lt;Foundation\/Foundation.h&gt;\r\n\r\nint main(int argc, const char * argv[]) {\r\n    @autoreleasepool {\r\n        \/\/ insert code here...\r\n        NSLog(@\"Hello, World!\");\r\n    }\r\n    return 0;\r\n}\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li><code>@autoreleasepool<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u4f5c\u7528\u57df\uff0c\u5e76\u660e\u786e\u4e86\u6c60\u5185\u7684\u5185\u5bb9\u3002\u6211\u4eec\u6240\u6709\u7684\u4ee3\u7801\u90fd\u5199\u5728 <code>@autoreleasepool<\/code> \u5757\u5185\u90e8\u3002<\/li>\n<li>\u4e0b\u4e00\u884c\u8c03\u7528\u4e86 <code>NSLog<\/code>\uff0c\u8fd9\u662f\u4e00\u4e2a\u7531 Foundation \u6846\u67b6\u63d0\u4f9b\u7684\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u4e0e C \u8bed\u8a00\u4e2d\u7684 <code>printf()<\/code> \u51fd\u6570\u975e\u5e38\u76f8\u4f3c\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u683c\u5f0f\u5b57\u7b26\u4e32\uff0c\u5e76\u4e14\u53ef\u4ee5\u5305\u542b\u53ef\u66ff\u6362\u7684\u5360\u4f4d\u7b26\u3002\u4e3b\u8981\u660e\u663e\u7684\u533a\u522b\u662f <code>NSLog<\/code> \u4f1a\u5728\u5b57\u7b26\u4e32\u540e\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a\u6362\u884c\u7b26\u3002<\/li>\n<li><code>@\"\"<\/code> \u662f Objective-C \u4e2d\u7528\u4e8e\u4ece\u7ed9\u5b9a\u5b57\u7b26\u5b57\u7b26\u4e32\u521b\u5efa <code>NSString<\/code> \u5bf9\u8c61\uff08Foundation \u6846\u67b6\u7684\u53e6\u4e00\u4e2a\u7c7b\uff0c\u6211\u4eec\u5c06\u5728\u540e\u9762\u8ba8\u8bba\uff09\u7684\u7b80\u5199\u3002<\/li>\n<li><code>return 0;<\/code>\uff1a\u6309\u7167\u60ef\u4f8b\uff0c\u8fd4\u56de\u503c\u4e3a\u96f6\u8868\u793a\u51fd\u6570\u6267\u884c\u6210\u529f\u3002<\/li>\n<\/ul>\n<p>\u4ece\u5de6\u4e0a\u89d2\u6784\u5efa\u5e76\u8fd0\u884c\u7a0b\u5e8f\u3002\u5728\u4e0b\u65b9\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n<ul class=\"post-ul\">\n<li><code>NSLog()<\/code> \u7684\u8f93\u51fa\u4f1a\u4ee5\u65e5\u671f\u3001\u65f6\u95f4\u3001\u7a0b\u5e8f\u540d\u79f0\u548c\u8fdb\u7a0b ID \u4f5c\u4e3a\u524d\u7f00\u3002<\/li>\n<li><code>Program exited with status value:0<\/code> &#8211; \u8fd9\u8868\u793a <code>main<\/code> \u51fd\u6570\u7684\u8fd4\u56de\u503c\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u7ed3\u675f\u4e86\u672c\u6559\u7a0b\u7684\u8bb2\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aObjective-C \u4f60\u597d\u4e16\u754c\u6559\u7a0b\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u7531\u4e8e\u4ee5\u5f80\u5728\u7f16\u7a0b\u8bfe\u7a0b\u4e2d\u4e60\u60ef\u4ee5\u5411\u8ba1\u7b97\u673a\u5c4f [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[872,873,871,874,275],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-hello-world","tag-ios","tag-objective-c","tag-xcode","tag-275"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Objective-C Hello World\uff1a\u65b0\u624b\u5165\u95e8\u4e0e\u73af\u5883\u642d\u5efa\u6559\u7a0b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb\u5b66\u4e60Objective-C\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u2014\u2014Hello 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