{"id":661,"date":"2015-05-19T17:50:33","date_gmt":"2015-05-19T09:50:33","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=661"},"modified":"2015-06-02T09:20:27","modified_gmt":"2015-06-02T01:20:27","slug":"java-io%e6%80%bb%e7%bb%93%e5%ad%97%e8%8a%82%e6%b5%81%e8%bd%ac%e5%ad%97%e7%ac%a6%e6%b5%81%e4%b8%8e%e6%b5%81%e7%9a%84%e5%85%b3%e9%97%ad","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=661","title":{"rendered":"Java IO\u603b\u7ed3,\u5b57\u8282\u6d41\u8f6c\u5b57\u7b26\u6d41\u4e0e\u6d41\u7684\u5173\u95ed"},"content":{"rendered":"

\"1355467587_4888\"<\/a><\/p>\n

<\/p>\n

Java\u8f93\u5165\u8f93\u51fa\u6d41<\/a>
\nclass InputStreamReader extends Reader<\/p>\n

 \u5b57\u8282\u6d41\u8f6c\u5b57\u7b26\u6d41\u4f7f\u7528\u7c7b InputStreamReader ,InputStreamReader \u662f\u5b57\u8282\u6d41\u901a\u5411\u5b57\u7b26\u6d41\u7684\u6865\u6881<\/pre>\n
[java] \/**
\n\t *
\n\t * \u5b9e\u73b0\u4ece\u952e\u76d8\u8bfb\u53d6\u4e00\u884c\u6570\u636e\u529f\u80fd\u3002
\n\t *
\n\t *  \u8bfb\u6570\u636e\uff1a\u8f93\u5165\u6d41
\n\t *  \u4e00\u884c\u7684\u6570\u636e==\u5b57\u7b26\u4e32\uff1a \u5b57\u7b26\u6d41
\n\t *  \u952e\u76d8: System.in :\u5b57\u8282\u8f93\u5165\u6d41
\n\t *   InputStreamReader:\u5c06\u5b57\u8282\u6d41\u8f6c\u6362\u6210\u5b57\u7b26\u6d41
\n\t *
\n\t * @throws IOException
\n\t *\/
\n\tpublic void testInputStreamReader() throws IOException {
\n\t\tSystem.out.println("\u4ece\u952e\u76d8\u8f93\u5165\u6570\u636e:");<\/p>\n
\t\tInputStreamReader inputStreamReader = new InputStreamReader(System.in);
\n\t\tBufferedReader buferReader = new BufferedReader(inputStreamReader);<\/p>\n
\t\tString line = buferReader.readLine();<\/p>\n
\t\tSystem.out.print("\u4ece\u952e\u76d8\u8f93\u5165\u7684\u6570\u636e\u662f: \\n" + line);<\/p>\n
\t\tbuferReader.close();
\n\t}[\/java]<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
<\/p>\n
JAVA\u7684IO\u6d41\u4f7f\u7528\u4e86\u88c5\u9970\u6a21\u5f0f,\u5173\u95ed\u6700\u5916\u9762\u7684\u6d41\u7684\u65f6\u5019\u4f1a\u81ea\u52a8\u8c03\u7528\u88ab\u5305\u88c5\u7684\u6d41\u7684close()\u65b9\u5417\uff1f
\n\u5982\u4e0b\u4f8b\u5b50\u4ee3\u7801\uff1a<\/p>\n
[java]FileInputStream is = new FileInputStream(".");
\n  BufferedInputStream bis = new BufferedInputStream(is);
\n  bis.close();[\/java]<\/p>\n
\u4ece\u8bbe\u8ba1\u6a21\u5f0f\u4e0a\u770b\uff1a
\njava.io.BufferedInputStream\u662fjava.io.InputStream\u7684\u88c5\u9970\u7c7b\u3002
\nBufferedInputStream\u88c5\u9970\u4e00\u4e2a InputStream \u4f7f\u4e4b\u5177\u6709\u7f13\u51b2\u529f\u80fd\uff0cis\u8981\u5173\u95ed\u53ea\u9700\u8981\u8c03\u7528\u6700\u7ec8\u88ab\u88c5\u9970\u51fa\u7684\u5bf9\u8c61\u7684 close()\u65b9\u6cd5\u5373\u53ef\uff0c\u56e0\u4e3a\u5b83\u6700\u7ec8\u4f1a\u8c03\u7528\u771f\u6b63\u6570\u636e\u6e90\u5bf9\u8c61\u7684 close()\u65b9\u6cd5\u3002<\/p>\n
BufferedInputStream\u7684close\u65b9\u6cd5\u4e2d\u5bf9InputStream\u8fdb\u884c\u4e86\u5173\u95ed\uff0c\u4e0b\u9762\u662fjdk\u4e2d\u9644\u5e26\u7684\u6e90\u4ee3\u7801\uff1a<\/p>\n
[java]public BufferedReader(Reader in, int sz) {
\n\tsuper(in);
\n\tif (sz <= 0)
\n\t    throw new IllegalArgumentException("Buffer size <= 0");
\n\tthis.in = in;
\n\tcb = new char[sz];
\n\tnextChar = nChars = 0;
\n    }
\n public void close() throws IOException {
\n\tsynchronized (lock) {
\n\t    if (in == null)
\n\t\treturn;
\n\t    in.close();
\n\t    in = null;
\n\t    cb = null;
\n\t}
\n    }[\/java]<\/p>\n
\u7406\u89e3JavaIO\u5982\u4e0b\u56fe:
\n\"io\u6d413\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/661"}],"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=661"}],"version-history":[{"count":7,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/661\/revisions"}],"predecessor-version":[{"id":743,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/661\/revisions\/743"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}