{"id":3544,"date":"2023-08-10T12:03:10","date_gmt":"2023-08-10T04:03:10","guid":{"rendered":"https:\/\/www.zhidianwl.net\/zhidianwl\/?p=3544"},"modified":"2023-08-10T12:03:10","modified_gmt":"2023-08-10T04:03:10","slug":"ios%e7%94%9f%e6%88%90%e5%85%a8%e5%b0%ba%e5%af%b8%e8%a6%81%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.net\/zhidianwl\/2023\/08\/10\/ios%e7%94%9f%e6%88%90%e5%85%a8%e5%b0%ba%e5%af%b8%e8%a6%81%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86%ef%bc%9f\/","title":{"rendered":"ios\u751f\u6210\u5168\u5c3a\u5bf8\u8981\u600e\u4e48\u5904\u7406\uff1f"},"content":{"rendered":"

\u5728iOS\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u5230\u83b7\u53d6ipa\u7c7b\u578b\u6587\u4ef6<\/a>\u56fe\u7247\u8d44\u6e90\u3002\u4e3a\u4e86\u9002\u914d\u4e0d\u540c\u7684\u5c4f\u5e55\u5c3a\u5bf8\uff0c\u6211\u4eec\u9700\u8981\u63d0\u4f9b\u4e0d\u540c\u5c3a\u5bf8\u7684\u56fe\u7247\u8d44\u6e90\u3002\u800c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700<\/p>\n

<\/figure>\n<\/p>\n

\u8981\u4f7f\u7528\u5168\u5c3a\u5bf8\u7684\u56fe\u7247\uff0c\u4ee5\u4fdd\u8bc1\u56fe\u7247\u5728\u4e0d\u540c\u5c4f\u5e55\u4e0a\u663e\u793a\u7684\u6e05\u6670\u5ea6\u3002\u672c\u6587\u5c06\u4ecb\u7ecdiOS\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\u7684\u539f\u7406\u548c\u8be6\u7ec6\u6b65\u9aa4\u3002<\/p>\n

### \u539f\u7406<\/p>\n

\u5728iOS\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f7f\u7528UIImage\u5bf9\u8c61\u6765\u8868\u793a\u4e00\u5f20\u56fe\u7247\u3002UIImage\u5bf9\u8c61\u6709\u4e00\u4e2a\u5c5e\u6027scale\uff0c\u8868\u793a\u56fe\u7247\u7684\u7f29\u653e\u6bd4\u4f8b\u3002\u5728Retina\u5c4f\u5e55\u4e0a\uff0cscale\u901a\u5e38\u4e3a2.0\uff0c\u610f\u5473\u7740\u56fe\u7247\u9700\u8981\u653e\u5927\u4e24\u500d\u624d\u80fd\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u539f\u672c\u5927\u5c0f\u3002\u800c\u5728\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5c06scale\u8bbe\u7f6e\u4e3a1.0\uff0c\u4ee5\u4fdd\u8bc1\u56fe\u7247\u4e0d\u4f1a\u88ab\u7f29\u653e\u3002<\/p>\n

### \u6b65\u9aa4<\/p>\n

\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u4ecb\u7ecd\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\u7684\u5177\u4f53\u6b65\u9aa4\u3002<\/p>\n

#### 1. \u51c6\u5907\u539f\u59cb\u56fe\u7247<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u51c6\u5907\u4e00\u5f20\u539f\u59cb\u56fe\u7247\uff0c\u8fd9\u5f20\u56fe\u7247\u9700\u8981\u6709\u8db3\u591f\u7684\u5206\u8fa8\u7387\u4ee5\u652f\u6301\u5728\u4e0d\u540c\u5c4f\u5e55\u4e0a\u663e\u793a\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528\u8f83\u5927\u7684\u56fe\u7247\u4f5c\u4e3a\u539f\u59cb\u56fe\u7247\uff0c\u6bd4\u5982\u4e00\u5f20\u5206\u8fa8\u7387\u4e3a2000×2000\u7684\u56fe\u7247\u3002<\/p>\n

#### 2. \u8c03\u6574\u56fe\u7247scale<\/p>\n

\u5728Xcode\u4e2d\u6253\u5f00\u539f\u59cb\u56fe\u7247\uff0c\u53ef\u4ee5\u770b\u5230\u56fe\u7247\u7684\u5c5e\u6027\u9762\u677f\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u6574\u56fe\u7247\u7684scale\u5c5e\u6027\u3002\u5c06scale\u8bbe\u7f6e\u4e3a1.0\u5373\u53ef\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\u3002\u5982\u679c\u56fe\u7247\u7684scale\u5df2\u7ecf\u662f1.0\uff0c\u53ef\u4ee5APP\u5c01\u5305<\/a>\u8df3\u8fc7\u8fd9\u4e00\u6b65\u3002<\/p>\n

#### 3. \u5bfc\u51fa\u56fe\u7247<\/p>\n

\u5c06\u8c03\u6574\u540e\u7684\u56fe\u7247\u5bfc\u51fa\u4e3aPNG\u6216JPG\u683c\u5f0f\u3002\u5728\u5bfc\u51fa\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u56fe\u7247\u7684\u5206\u8fa8\u7387\u548c\u539f\u59cb\u56fe\u7247\u76f8\u540c\u3002\u5982\u679c\u4f7f\u7528Xcode\u5bfc\u51fa\uff0c\u53ef\u4ee5\u9009\u62e9\u201cFile\u201d -> \u201cExport\u2026\u201d -> \u201cExport Selected Items\u201d\u6765\u5bfc\u51fa\u56fe\u7247\u3002<\/p>\n

#### 4. \u4f7f\u7528\u56fe\u7247<\/p>\n

\u5bfc\u51fa\u540e\u7684\u56fe\u7247\u5373\u4e3a\u5168\u5c3a\u5bf8\u56fe\u7247\uff0c\u53ef\u4ee5\u5728iOS\u5e94\u7528\u4e2d\u4f7f\u7528\u3002\u5728\u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u5c06\u56fe\u7247\u4f5c\u4e3aUIImage\u5bf9\u8c61\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u6216\u8005\u76f4\u63a5\u5c06\u56fe\u7247\u6587\u4ef6\u4f5c\u4e3a\u8d44\u6e90\u6587\u4ef6\u6253\u5305\u5230\u5e94\u7528\u4e2d\u3002<\/p>\n

### \u603b\u7ed3<\/p>\n

\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\u662fiOS\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u5e38\u89c1\u9700\u6c42\u3002\u901a\u8fc7\u8c03\u6574\u56fe\u7247\u7684scale\u5c5e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u751f\u6210\u5168\u5c3a\u5bf8\u56fe\u7247\uff0c\u5e76\u5728\u5e94\u7528\u4e2d\u4f7f\u7528\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u56fe\u7247\u5206\u8fa8\u7387\u548c\u8c03\u6574scale\u5c5e\u6027\u7684\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728iOS\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u5230\u56fe\u7247\u8d44\u6e90\u3002\u4e3a\u4e86\u9002\u914d\u4e0d\u540c\u7684\u5c4f\u5e55\u5c3a\u5bf8\uff0c\u6211\u4eec\u9700\u8981\u63d0\u4f9b\u4e0d\u540c\u5c3a\u5bf8\u7684\u56fe\u7247\u8d44\u6e90\u3002\u800c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u5168\u5c3a\u5bf8\u7684\u56fe\u7247\uff0c\u4ee5\u4fdd\u8bc1\u56fe\u7247\u5728\u4e0d\u540c\u5c4f\u5e55\u4e0a\u663e\u793a\u7684\u6e05\u6670\u5ea6\u3002\u672c\u6587\u5c06\u4ecb\u7ecdiOS\u751f\u6210<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[7039,7038,484,1756,7040],"topic":[],"class_list":["post-3544","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-webclup","tag-apk","tag-484","tag-1756","tag-7040"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/3544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=3544"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/3544\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=3544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=3544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=3544"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=3544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}