{"id":145,"date":"2015-04-03T16:29:35","date_gmt":"2015-04-03T08:29:35","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=145"},"modified":"2026-08-18T12:09:28","modified_gmt":"2026-08-18T04:09:28","slug":"java%e8%be%93%e5%85%a5%e8%be%93%e5%87%baio%e5%92%8c%e6%b5%81%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=145","title":{"rendered":"Java\u8f93\u5165\u8f93\u51fa(IO)\u548c\u6d41\u7684\u57fa\u672c\u6982\u5ff5"},"content":{"rendered":"
\n

\u8f93\u5165\u8f93\u51fa\uff08I\/O\uff09\u662f\u7a0b\u5e8f\u4e0e\u5916\u90e8\u8bbe\u5907\u6216\u5176\u4ed6\u8ba1\u7b97\u673a\u4ea4\u4e92\u7684\u64cd\u4f5c\uff1a\u4ece\u952e\u76d8\u8bfb\u3001\u4ece\u672c\u5730\u6216\u7f51\u7edc\u6587\u4ef6\u8bfb\u3001\u5f80\u5916\u5199\u3002Java \u628a\u8fd9\u4e9b\u64cd\u4f5c\u7528\u6d41<\/strong>\u7edf\u4e00\u63a5\u53e3\u8868\u793a\uff0c\u7a0b\u5e8f\u8bbe\u8ba1\u66f4\u7b80\u5355\u3002<\/p>\n

<\/p>\n

\u6d41\uff08Stream\uff09\u6307\u8f93\u5165\u8f93\u51fa\u65f6\u5404\u90e8\u4ef6\u4e4b\u95f4\u7684\u6570\u636e\u6d41\u52a8\u3002\u6309\u4f20\u8f93\u65b9\u5411\u5206\u6210\u8f93\u5165\u6d41\u4e0e\u8f93\u51fa\u6d41\u3002\u6d41\u91cc\u65e2\u53ef\u4ee5\u662f\u539f\u59cb\u4e8c\u8fdb\u5236\uff0c\u4e5f\u53ef\u4ee5\u662f\u6309\u67d0\u79cd\u683c\u5f0f\u7f16\u7801\u540e\u7684\u6570\u636e\u3002<\/p>\n

\u4e00\u3001\u8f93\u5165\u6d41\u4e0e\u8f93\u51fa\u6d41<\/h2>\n

Java \u628a\u4e0d\u540c\u7c7b\u578b\u7684\u8f93\u5165\u8f93\u51fa\u6e90\u62bd\u8c61\u4e3a\u6d41\uff0c\u5176\u4e2d\u8fdb\u51fa\u7684\u6570\u636e\u53eb\u6570\u636e\u6d41\uff08Data Stream\uff09\u3002\u5bf9\u7a0b\u5e8f\u6765\u8bf4\uff1a\u8f93\u51fa\u6d41\u5f80\u5b58\u50a8\u4ecb\u8d28\u6216\u901a\u9053\u5199<\/strong>\uff0c\u8f93\u5165\u6d41\u4ece\u4ecb\u8d28\u6216\u901a\u9053\u8bfb<\/strong>\u3002\u6d41\u5f0f IO \u7684\u7279\u70b9\u662f\u6cbf\u6570\u636e\u5e8f\u5217\u987a\u5e8f\u8fdb\u884c\u3002<\/p>\n\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
\u5148\u8fdb\u5148\u51fa<\/td>\n\u6700\u5148\u5199\u5165\u8f93\u51fa\u6d41\u7684\u6570\u636e\uff0c\u6700\u5148\u88ab\u8f93\u5165\u6d41\u8bfb\u5230<\/td>\n<\/tr>\n
\u987a\u5e8f\u5b58\u53d6<\/td>\n\u6309\u5199\u5165\u987a\u5e8f\u8bfb\u5199\u4e00\u4e32\u5b57\u8282\uff0c\u4e0d\u80fd\u968f\u673a\u8bbf\u95ee\u4e2d\u95f4\u6570\u636e<\/td>\n<\/tr>\n
\u53ea\u8bfb\u6216\u53ea\u5199<\/td>\n\u4e00\u6761\u6d41\u53ea\u80fd\u662f\u8f93\u5165\u6216\u8f93\u51fa\u4e4b\u4e00\uff1b\u53cc\u5411\u901a\u9053\u8981\u5404\u63d0\u4f9b\u4e00\u6761\u6d41<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e8c\u3001\u7f13\u51b2\u6d41<\/h2>\n

\u4e3a\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\uff0c\u7ed9\u6d41\u914d\u4e00\u5757\u5185\u5b58\u5f53\u7f13\u51b2\u533a\uff08Buffer\uff09\u3002\u5199\u5165\u65f6\u6570\u636e\u5148\u5230\u7f13\u51b2\u533a\uff0c\u6ee1\u4e86\u518d\u4e00\u6b21\u6027\u53d1\u7ed9\u5916\u90e8\u8bbe\u5907\uff1b\u8bfb\u53d6\u65f6\u5b9e\u9645\u4ece\u7f13\u51b2\u533a\u53d6\uff0c\u7a7a\u4e86\u518d\u4ece\u8bbe\u5907\u5c3d\u91cf\u591a\u8bfb\u6765\u586b\u6ee1\u3002\u8fd9\u6837\u7a0b\u5e8f\u7684 IO \u53ef\u4ee5\u72ec\u7acb\u4e8e\u5177\u4f53\u8bbe\u5907\uff0c\u6362\u8bbe\u5907\u4e0d\u5fc5\u6539\u6e90\u7a0b\u5e8f\uff0c\u53ef\u79fb\u690d\u6027\u66f4\u597d\u3002<\/p>\n

\u4e09\u3001java.io \u4e0e\u4e24\u7c7b\u6d41<\/h2>\n

java.io<\/code> \u5305\u91cc\u6bcf\u4e2a\u7c7b\u4ee3\u8868\u4e00\u79cd\u7279\u5b9a\u8f93\u5165\u6216\u8f93\u51fa\u6d41\uff0c\u7528\u524d\u8981\u5bfc\u5165\u3002\u9762\u5411\u5b57\u8282\u7684\u6d41\u6bcf\u6b21\u8bfb\u5199 8 \u4f4d\uff0c\u4e5f\u53eb\u4e8c\u8fdb\u5236\u5b57\u8282\u6d41\uff1b\u9762\u5411\u5b57\u7b26\u7684\u6d41\u4e00\u6b21\u6309 16 \u4f4d\u5f53\u4e00\u4e2a\u5b57\u7b26\u5904\u7406\u3002Java \u5b57\u7b26\u7528 16 \u4f4d Unicode\uff0c\u666e\u901a\u6587\u672c\u6587\u4ef6\u5e38\u7528 8 \u4f4d ASCII\uff0c\u6240\u4ee5\u5b57\u7b26\u6d41\u548c\u5b57\u8282\u6d41\u4e0d\u8981\u6df7\u7740\u5f53\u4e00\u56de\u4e8b\u3002<\/p>\n

\u7cfb\u7edf\u9884\u7f6e\u4e86\u4e09\u4e2a\u53ef\u76f4\u63a5\u7528\u7684\u6d41\u5bf9\u8c61\uff1a<\/p>\n

    \n
  • \n
    System.in<\/code> \u6807\u51c6\u8f93\u5165\uff0c\u901a\u5e38\u662f\u952e\u76d8\u3002<\/section>\n<\/li>\n
  • \n
    System.out<\/code> \u6807\u51c6\u8f93\u51fa\uff0c\u901a\u5e38\u5199\u5230\u663e\u793a\u5668\u3002<\/section>\n<\/li>\n
  • \n
    System.err<\/code> \u6807\u51c6\u9519\u8bef\u8f93\u51fa\uff0c\u901a\u5e38\u4e5f\u5199\u5230\u663e\u793a\u5668\u3002<\/section>\n<\/li>\n<\/ul>\n

    \u5b57\u8282\u6d41\u548c\u5b57\u7b26\u6d41\u7684\u6b65\u9aa4\u57fa\u672c\u76f8\u540c\u3002\u4ee5\u8f93\u5165\u4e3a\u4f8b\uff1a\u5148\u521b\u5efa\u4e0e\u6570\u636e\u6e90\u76f8\u5173\u7684\u6d41\u5bf9\u8c61\uff0c\u518d\u7528\u5b83\u7684\u65b9\u6cd5\u8bfb\u6570\u636e\uff0c\u6700\u540e close()<\/code> \u5173\u6389\u6d41\u3002<\/p>\n

    \n

    \u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a\u6d41\u662f\u987a\u5e8f\u3001\u5355\u5411\u7684\u6570\u636e\u901a\u9053\uff1b\u7f13\u51b2\u63d0\u9ad8\u6548\u7387\uff0c\u5b57\u8282\u6d41\u5bf9 8 \u4f4d\u3001\u5b57\u7b26\u6d41\u5bf9 Unicode\uff0c\u7528\u5b8c close\uff0c\u6807\u51c6\u5165\u53e3\u5c31\u662f in \/ out \/ err\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

    \u8f93\u5165\u8f93\u51fa\uff08I\/O\uff09\u662f\u7a0b\u5e8f\u4e0e\u5916\u90e8\u8bbe\u5907\u6216\u5176\u4ed6\u8ba1\u7b97\u673a\u4ea4\u4e92\u7684\u64cd\u4f5c\uff1a\u4ece\u952e\u76d8\u8bfb\u3001\u4ece\u672c\u5730\u6216\u7f51\u7edc\u6587\u4ef6\u8bfb\u3001\u5f80\u5916\u5199\u3002Java \u628a\u8fd9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[41],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/145"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=145"}],"version-history":[{"count":1,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/145\/revisions"}],"predecessor-version":[{"id":146,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/145\/revisions\/146"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}