{"id":2549,"date":"2023-08-09T16:32:14","date_gmt":"2023-08-09T08:32:14","guid":{"rendered":"https:\/\/www.yimenyun.cn\/emen\/?p=2549"},"modified":"2023-08-09T16:32:14","modified_gmt":"2023-08-09T08:32:14","slug":"ios%e7%bc%93%e5%ad%98%e5%b7%a5%e5%85%b7%e5%b0%81%e8%a3%85%e6%9c%89%e4%bb%80%e4%b9%88%e4%bd%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.yimenyun.cn\/emen\/2549\/","title":{"rendered":"ios\u7f13\u5b58\u5de5\u5177\u5c01\u88c5\u6709\u4ec0\u4e48\u4f5c\u7528?"},"content":{"rendered":"

i\u82f9\u679capp\u5c01\u88c5\u5de5\u5177<\/a>OS\u4e2d\u7684\u7f13\u5b58\u662f\u6307\u5c06\u6570\u636e\u4e34\u65f6\u5b58\u50a8\u5728\u672c\u5730\uff0c\u4ee5\u4fbf\u4e0b\u6b21<\/p>\n

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

\u4f7f\u7528\u65f6\u53ef\u4ee5\u5feb\u901f\u83b7\u53d6\uff0c\u51cf\u5c11\u7f51\u7edc\u8bf7\u6c42\u7684\u65f6\u95f4\u548c\u6570\u636e\u6d41\u91cf\u6d88\u8017\u3002\u5728\u5f00\u53d1iOS\u5e94\u7528\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u7528\u5230\u7f13\u5b58\u6765\u5b58\u50a8\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u8d44\u6e90\uff0c\u4ee5\u53ca\u7f51\u7edc\u8bf7\u6c42\u7684\u7ed3\u679c\u6570\u636e\u7b49\u3002<\/p>\n

iOS\u4e2d\u7684\u7f13\u5b58\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff0c\u5305\u62ecNSUserDefaults\u3001\u6587\u4ef6\u7f13\u5b58\u548c\u5185\u5b58\u7f13\u5b58\u7b49\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u79cd\u5e38\u7528\u7684\u7f13\u5b58\u5de5\u5177\u5c01\u88c5\uff0c\u91c7\u7528\u6587\u4ef6\u7f13\u5b58\u548c\u5185\u5b58\u7f13\u5b58\u76f8\u7ed3\u5408\u7684\u65b9\u5f0f\u3002<\/p>\n

1. \u6587\u4ef6\u7f13\u5b58<\/p>\n

\u6587\u4ef6\u7f13\u5b58\u662f\u6307\u5c06\u7f13\u5b58\u6570\u636e\u4fdd\u5b58\u5728\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e2d\u3002iOS\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u6613\u7528\u7684\u6c99\u76d2\u673a\u5236\uff0c\u6bcf\u4e2a\u5e94\u7528\u90fd\u6709\u81ea\u5df1\u72ec\u7f51\u7ad9\u5c01\u88c5app\u5de5\u5177\u4ecb\u7ecd<\/a>\u7acb\u7684\u6c99\u76d2\u76ee\u5f55\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u521b\u5efa\u6587\u4ef6\u5939\u548c\u6587\u4ef6\uff0c\u5e76\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528NSFileManager\u6765\u521b\u5efa\u3001\u8bfb\u53d6\u548c\u5199\u5165\u6587\u4ef6\u3002\u5728\u7f13\u5b58\u5de5\u5177\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u7f13\u5b58\u9879\u521b\u5efa\u4e00\u4e2a\u5bf9\u5e94\u7684\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u7684\u952e\u503c\u8fdb\u884c\u547d\u540d\uff0c\u4ee5\u786e\u4fdd\u552f\u4e00\u6027\u3002<\/p>\n

2. \u5185\u5b58\u7f13\u5b58<\/p>\n

\u5185\u5b58\u7f13\u5b58\u662f\u6307\u5c06\u7f13\u5b58\u6570\u636e\u4fdd\u5b58\u5728\u5e94\u7528\u7684\u5185\u5b58\u4e2d\uff0c\u4ee5\u4fbf\u5feb\u901f\u8bbf\u95ee\u3002\u5728iOS\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528NSCache\u6765\u5b9e\u73b0\u5185\u5b58\u7f13\u5b58\u3002NSCache\u662f\u4e00\u4e2a\u7c7b\u4f3c\u4e8eNSMutableDictionary\u7684\u53ef\u53d8\u5b57\u5178\uff0c\u5b83\u53ef\u4ee5\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\uff0c\u5f53\u6536\u5230\u5185\u5b58\u8b66\u544a\u65f6\uff0c\u4f1a\u81ea\u52a8\u91ca\u653e\u81ea\u5df1\u6240\u5360\u7528\u7684\u5185\u5b58\u3002<\/p>\n

\u5728\u7f13\u5b58\u5de5\u5177\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528NSCache\u6765\u4fdd\u5b58\u7f13\u5b58\u7684\u6570\u636e\u3002\u7f13\u5b58\u9879\u7684\u952e\u503c\u5bf9\u53ef\u4ee5\u4f7f\u7528\u5185\u5b58\u5730\u5740\u4f5c\u4e3a\u952e\uff0c\u786e\u4fdd\u552f\u4e00\u6027\u3002\u6b64\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6eNSCache\u7684\u603b\u6d88\u8017\u5185\u5b58\u5927\u5c0f\u548c\u4e2a\u6570\u9650\u5236\uff0c\u4ee5\u63a7\u5236\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n

3. \u5c01\u88c5\u7f13\u5b58\u5de5\u5177<\/p>\n

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\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528NSFileManager\u6765\u521b\u5efa\u548c\u8bfb\u5199\u6587\u4ef6\u3002\u5728\u5199\u5165\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u5c06\u7f13\u5b58\u6570\u636e\u4f7f\u7528NSKeyedArchiver\u8fdb\u884c\u5e8f\u5217\u5316\uff0c\u4ee5\u4fbf\u4e8e\u5b58\u50a8\u548c\u8bfb\u53d6\u3002<\/p>\n

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\u5f53\u9700\u8981\u8bfb\u53d6\u7f13\u5b58\u6570\u636e\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f18\u5148\u4ece\u5185\u5b58\u7f13\u5b58\u4e2d\u67e5\u627e\uff0c\u5982\u679c\u627e\u5230\u5219\u76f4\u63a5\u8fd4\u56de\u6570\u636e\uff1b\u5982\u679c\u6ca1\u6709\u627e\u5230\uff0c\u5219\u4ece\u6587\u4ef6\u7f13\u5b58\u4e2d\u8bfb\u53d6\uff0c\u5e76\u5c06\u5bf9\u5e94\u7684\u6570\u636e\u4fdd\u5b58\u5230\u5185\u5b58\u7f13\u5b58\u4e2d\uff0c\u4ee5\u4fbf\u4e0b\u6b21\u4f7f\u7528\u3002<\/p>\n

\u5f53\u9700\u8981\u6e05\u9664\u7f13\u5b58\u6570\u636e\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5206\u522b\u6e05\u9664\u6587\u4ef6\u7f13\u5b58\u548c\u5185\u5b58\u7f13\u5b58\u3002\u5728\u6e05\u9664\u6587\u4ef6\u7f13\u5b58\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528NSFileManager\u6765\u5220\u9664\u7f13\u5b58\u6587\u4ef6\u3002\u5728\u6e05\u9664\u5185\u5b58\u7f13\u5b58\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u5730\u8c03\u7528NSCache\u7684removeAllObjects\u65b9\u6cd5\u6765\u6e05\u7a7a\u5185\u5b58\u7f13\u5b58\u3002<\/p>\n

4. \u4f7f\u7528\u7f13\u5b58\u5de5\u5177<\/p>\n

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\u5bf9\u4e8e\u4fdd\u5b58\u7f13\u5b58\u6570\u636e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8981\u7f13\u5b58\u7684\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u7f13\u5b58\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u5e76\u4f20\u5165\u5bf9\u5e94\u7684\u952e\u503c\u3002\u7f13\u5b58\u5de5\u5177\u4f1a\u5148\u4fdd\u5b58\u6570\u636e\u5230\u6587\u4ef6\u7f13\u5b58\u4e2d\uff0c\u7136\u540e\u518d\u4fdd\u5b58\u5230\u5185\u5b58\u7f13\u5b58\u4e2d\u3002<\/p>\n

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\u5bf9\u4e8e\u5220\u9664\u7f13\u5b58\u6570\u636e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u5e76\u4f20\u5165\u8981\u5220\u9664\u7684\u952e\u503c\u3002\u7f13\u5b58\u5de5\u5177\u4f1a\u5148\u4ece\u5185\u5b58\u7f13\u5b58\u4e2d\u5220\u9664\uff0c\u7136\u540e\u518d\u4ece\u6587\u4ef6\u7f13\u5b58\u4e2d\u5220\u9664\u5bf9\u5e94\u7684\u6587\u4ef6\u3002<\/p>\n

\u901a\u8fc7\u5c01\u88c5\u7f13\u5b58\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5f00\u53d1iOS\u5e94\u7528\u65f6\u66f4\u65b9\u4fbf\u5730\u4f7f\u7528\u7f13\u5b58\u529f\u80fd\uff0c\u63d0\u9ad8\u6570\u636e\u8bfb\u53d6\u548c\u52a0\u8f7d\u7684\u901f\u5ea6\uff0c\u51cf\u5c11\u7f51\u7edc\u8bf7\u6c42\u548c\u6570\u636e\u6d41\u91cf\u6d88\u8017\u3002\u540c\u65f6\uff0c\u5408\u7406\u7ba1\u7406\u7f13\u5b58\u6570\u636e\u7684\u5927\u5c0f\u548c\u65f6\u6548\uff0c\u53ef\u4ee5\u4f18\u5316\u5e94\u7528\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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