{"id":913,"date":"2013-12-01T19:20:42","date_gmt":"2013-12-01T11:20:42","guid":{"rendered":"http:\/\/blog.dayandcarrot.net\/?p=913"},"modified":"2013-12-01T19:20:42","modified_gmt":"2013-12-01T11:20:42","slug":"qt%e6%96%87%e4%bb%b6%e6%89%93%e5%bc%80%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/dayandcarrot.space\/?p=913","title":{"rendered":"Qt\u6587\u4ef6\u6253\u5f00\u65b9\u5f0f"},"content":{"rendered":"<table border=\"1\">\n<tbody>\n<tr>\n<td>\u679a\u4e3e\u503c<\/td>\n<td>\u63cf\u8ff0<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::NotOpen<\/code><\/td>\n<td>\u672a\u6253\u5f00<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::ReadOnly<\/code><\/td>\n<td>\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::WriteOnly<\/code><\/td>\n<td>\u4ee5\u53ea\u5199\u65b9\u5f0f\u6253\u5f00<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::ReadWrite<\/code><\/td>\n<td>\u4ee5\u8bfb\u5199\u65b9\u5f0f\u6253\u5f00<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::Append<\/code><\/td>\n<td>\u4ee5\u8ffd\u52a0\u7684\u65b9\u5f0f\u6253\u5f00\uff0c\u65b0\u589e\u52a0\u7684\u5185\u5bb9\u5c06\u88ab\u8ffd\u52a0\u5230\u6587\u4ef6\u672b\u5c3e<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::Truncate<\/code><\/td>\n<td>\u4ee5\u91cd\u5199\u7684\u65b9\u5f0f\u6253\u5f00\uff0c\u5728\u5199\u5165\u65b0\u7684\u6570\u636e\u65f6\u4f1a\u5c06\u6e38\u6807\u8bbe\u7f6e\u5728\u6587\u4ef6\u5f00\u5934<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::Text<\/code><\/td>\n<td>\u5728\u8bfb\u53d6\u65f6\uff0c\u5c06\u884c\u7ed3\u675f\u7b26\u8f6c\u6362\u6210 n\uff1b\u5728\u5199\u5165\u65f6\uff0c\u5c06\u884c\u7ed3\u675f\u7b26\u8f6c\u6362\u6210\u672c\u5730\u683c\u5f0f\uff0c\u4f8b\u5982 Win32 \u5e73\u53f0\u4e0a\u662f rn<\/td>\n<\/tr>\n<tr>\n<td><code>QIODevice::Unbuffered<\/code><\/td>\n<td>\u5ffd\u7565\u7f13\u5b58<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6458\u81ea<a href=\"http:\/\/www.devbean.net\/2013\/01\/qt-study-road-2-text-file-io\/\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.devbean.net\/2013\/01\/qt-study-road-2-text-file-io\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u679a\u4e3e\u503c \u63cf\u8ff0 QIODevice::NotOpen \u672a\u6253\u5f00 QIODevice::ReadOnly \u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00 QIODevice::WriteOnly \u4ee5\u53ea\u5199\u65b9\u5f0f\u6253\u5f00 QIODevice::ReadWrite \u4ee5\u8bfb\u5199\u65b9\u5f0f\u6253\u5f00 QIODevice::Append \u4ee5\u8ffd\u52a0\u7684\u65b9\u5f0f\u6253\u5f00\uff0c\u65b0\u589e\u52a0\u7684\u5185\u5bb9\u5c06\u88ab\u8ffd\u52a0\u5230\u6587\u4ef6\u672b\u5c3e QIODevice::Truncate \u4ee5\u91cd\u5199\u7684\u65b9\u5f0f\u6253\u5f00\uff0c\u5728\u5199\u5165\u65b0\u7684\u6570\u636e\u65f6\u4f1a\u5c06\u6e38\u6807\u8bbe\u7f6e\u5728\u6587\u4ef6\u5f00\u5934 QIODevice::Text \u5728\u8bfb\u53d6\u65f6\uff0c\u5c06\u884c\u7ed3\u675f\u7b26\u8f6c\u6362\u6210 n\uff1b\u5728\u5199\u5165\u65f6\uff0c\u5c06\u884c\u7ed3\u675f\u7b26\u8f6c\u6362\u6210\u672c\u5730\u683c\u5f0f\uff0c\u4f8b\u5982 Win32 \u5e73\u53f0\u4e0a\u662f rn QIODevice::Unbuffered \u5ffd\u7565\u7f13\u5b58 \u6458\u81eahttp:\/\/www.devbean.net\/2013\/01\/qt-study-road-2-text-file-io\/<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[90],"class_list":["post-913","post","type-post","status-publish","format-standard","hentry","category-technical","tag-qt"],"_links":{"self":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts\/913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=913"}],"version-history":[{"count":0,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=\/wp\/v2\/posts\/913\/revisions"}],"wp:attachment":[{"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dayandcarrot.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}