{"id":1329,"date":"2022-10-30T22:46:15","date_gmt":"2022-10-30T14:46:15","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1329"},"modified":"2022-11-27T12:39:46","modified_gmt":"2022-11-27T04:39:46","slug":"io%e6%b5%81%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1329","title":{"rendered":"IO\u6d41\u6982\u8ff0"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>IO\u6d41\u6982\u8ff0\r\n\r\n4. \u8f93\u5165\u3001\u8f93\u51fa\u7684\u6807\u51c6\u5316\u8fc7\u7a0b\r\n\r\n4.1 \u8f93\u5165\u8fc7\u7a0b\r\n\u2460 \u521b\u5efaFile\u7c7b\u7684\u5bf9\u8c61\uff0c\u6307\u660e\u8bfb\u53d6\u7684\u6570\u636e\u7684\u6765\u6e90\u3002\uff08\u8981\u6c42\u6b64\u6587\u4ef6\u4e00\u5b9a\u8981\u5b58\u5728\uff09\r\n\u2461 \u521b\u5efa\u76f8\u5e94\u7684\u8f93\u5165\u6d41\uff0c\u5c06File\u7c7b\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f20\u5165\u6d41\u7684\u6784\u9020\u5668\u4e2d\r\n\u2462 \u5177\u4f53\u7684\u8bfb\u5165\u8fc7\u7a0b\uff1a\r\n\t\u521b\u5efa\u76f8\u5e94\u7684byte&#91;] \u6216 char&#91;]\u3002\r\n\u2463 \u5173\u95ed\u6d41\u8d44\u6e90\r\n\u8bf4\u660e\uff1a\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u7684\u5f02\u5e38\u9700\u8981\u4f7f\u7528try-chtch-finally\u5904\u7406\u3002\r\n\r\n4.2 \u8f93\u51fa\u8fc7\u7a0b\r\n\u2460 \u521b\u5efaFile\u7c7b\u7684\u5bf9\u8c61\uff0c\u6307\u660e\u5199\u51fa\u7684\u6570\u636e\u7684\u4f4d\u7f6e\u3002\uff08\u4e0d\u8981\u6c42\u6b64\u6587\u4ef6\u4e00\u5b9a\u8981\u5b58\u5728\uff09\r\n\u2461 \u521b\u5efa\u76f8\u5e94\u7684\u8f93\u51fa\u6d41\uff0c\u5c06File\u7c7b\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f20\u5165\u6d41\u7684\u6784\u9020\u5668\u4e2d\r\n\u2462 \u5177\u4f53\u7684\u5199\u51fa\u8fc7\u7a0b\uff1a\r\n\twrite(char&#91;] \/ byte&#91;] buffer,0,len)\r\n\u2463 \u5173\u95ed\u6d41\u8d44\u6e90\r\n\u8bf4\u660e\uff1a\u7a0b\u5e8f\u4e2d\u51fa\u73b0\u7684\u5f02\u5e38\u9700\u8981\u4f7f\u7528try-chtch-finally\u5904\u7406\u3002<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/10\/\u6d41\u7684\u4f53\u7cfb\u7ed3\u6784.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"839\" height=\"562\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2022\/10\/\u6d41\u7684\u4f53\u7cfb\u7ed3\u6784.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1330\"  sizes=\"(max-width: 839px) 100vw, 839px\" \/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[46],"class_list":["post-1329","post","type-post","status-publish","format-standard","hentry","category-java-","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1329"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1329"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions"}],"predecessor-version":[{"id":1331,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions\/1331"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}