{"id":661,"date":"2015-05-19T17:50:33","date_gmt":"2015-05-19T09:50:33","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=661"},"modified":"2026-08-30T19:41:10","modified_gmt":"2026-08-30T11:41:10","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":"
\n

Java I\/O \u53ef\u4ee5\u6309\u65b9\u5411\u5206\u6210\u8f93\u5165 \/ \u8f93\u51fa\uff0c\u6309\u6570\u636e\u5355\u4f4d\u5206\u6210\u5b57\u8282\u6d41<\/strong>\u548c\u5b57\u7b26\u6d41<\/strong>\u3002\u952e\u76d8 System.in<\/code> \u662f\u5b57\u8282\u8f93\u5165\u6d41\uff0c\u8981\u6309\u884c\u8bfb\u6210\u5b57\u7b26\u4e32\uff0c\u5c31\u9700\u8981 InputStreamReader<\/code> \u8fd9\u5ea7\u6865\uff0c\u518d\u5305 BufferedReader<\/code>\u3002<\/p>\n

I\/O \u5927\u91cf\u4f7f\u7528\u88c5\u9970\u6a21\u5f0f\uff1a\u5173\u6389\u6700\u5916\u5c42\u6d41\u65f6\uff0c\u4f1a\u4e0d\u4f1a\u8fde\u5e26\u5173\u6389\u88ab\u5305\u88c5\u7684\u6d41\uff1f\u4f1a\u3002\u4e0b\u9762\u7528\u6e90\u7801\u8bf4\u660e\u3002<\/p>\n

<\/p>\n

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

Java\u8f93\u5165\u8f93\u51fa\u6d41<\/a><\/p>\n

\u4e00\u3001\u5b57\u8282\u6d41\u8f6c\u5b57\u7b26\u6d41<\/h2>\n

InputStreamReader<\/code> \u7ee7\u627f Reader<\/code>\uff0c\u662f\u5b57\u8282\u6d41\u901a\u5411\u5b57\u7b26\u6d41\u7684\u6865\u6881\u3002\u539f\u6587\u8bf4\u660e\u5982\u4e0b\uff1a<\/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<\/code><\/pre>\n
\u4ece\u952e\u76d8\u8bfb\u4e00\u884c\uff1a\u6570\u636e\u6765\u81ea\u5b57\u8282\u6d41 System.in<\/code>\uff0c\u4e00\u884c\u53c8\u662f\u5b57\u7b26\u4e32\uff0c\u6240\u4ee5\u8981\u5148\u8f6c\u6210\u5b57\u7b26\u6d41\uff1a<\/p>\n
\/**\n * \u5b9e\u73b0\u4ece\u952e\u76d8\u8bfb\u53d6\u4e00\u884c\u6570\u636e\u529f\u80fd\u3002\n *\n * \u8bfb\u6570\u636e\uff1a\u8f93\u5165\u6d41\n * \u4e00\u884c\u7684\u6570\u636e == \u5b57\u7b26\u4e32\uff1a\u5b57\u7b26\u6d41\n * \u952e\u76d8: System.in : \u5b57\u8282\u8f93\u5165\u6d41\n * InputStreamReader: \u5c06\u5b57\u8282\u6d41\u8f6c\u6362\u6210\u5b57\u7b26\u6d41\n *\n * @throws IOException\n *\/\npublic void testInputStreamReader() throws IOException {\n    System.out.println(\"\u4ece\u952e\u76d8\u8f93\u5165\u6570\u636e:\");\n\n    InputStreamReader inputStreamReader = new InputStreamReader(System.in);\n    BufferedReader buferReader = new BufferedReader(inputStreamReader);\n\n    String line = buferReader.readLine();\n\n    System.out.print(\"\u4ece\u952e\u76d8\u8f93\u5165\u7684\u6570\u636e\u662f: \\n\" + line);\n\n    buferReader.close();\n}<\/code><\/pre>\n
\u4e8c\u3001\u5173\u6389\u6700\u5916\u5c42\u5c31\u4f1a\u5173\u6389\u91cc\u9762<\/h2>\n
JAVA \u7684 IO \u7528\u4e86\u88c5\u9970\u6a21\u5f0f\u3002\u5173\u95ed\u6700\u5916\u9762\u7684\u6d41\u65f6\uff0c\u4f1a\u81ea\u52a8\u8c03\u7528\u88ab\u5305\u88c5\u6d41\u7684 close()<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n
FileInputStream is = new FileInputStream(\".\");\nBufferedInputStream bis = new BufferedInputStream(is);\nbis.close();<\/code><\/pre>\n
BufferedInputStream<\/code> \u662f InputStream<\/code> \u7684\u88c5\u9970\u7c7b\uff0c\u7ed9\u5b83\u52a0\u4e0a\u7f13\u51b2\u3002\u8981\u5173 is<\/code>\uff0c\u53ea\u8c03\u6700\u7ec8\u88c5\u9970\u51fa\u6765\u7684\u5bf9\u8c61\u7684 close()<\/code> \u5373\u53ef\uff0c\u56e0\u4e3a\u5b83\u6700\u7ec8\u4f1a\u8c03\u771f\u6b63\u6570\u636e\u6e90\u7684 close()<\/code>\u3002<\/p>\n
JDK \u91cc BufferedReader.close()<\/code> \u5c31\u662f\u8fd9\u6837\u5199\u7684\uff1a<\/p>\n
public BufferedReader(Reader in, int sz) {\n    super(in);\n    if (sz <= 0)\n        throw new IllegalArgumentException(\"Buffer size <= 0\");\n    this.in = in;\n    cb = new char[sz];\n    nextChar = nChars = 0;\n}\npublic void close() throws IOException {\n    synchronized (lock) {\n        if (in == null)\n            return;\n        in.close();\n        in = null;\n        cb = null;\n    }\n}<\/code><\/pre>\n\n\n\n\n\n\n
\u573a\u666f<\/th>\n\u600e\u4e48\u63a5<\/th>\n\u5173\u95ed<\/th>\n<\/tr>\n<\/thead>\n
\u952e\u76d8\u8bfb\u4e00\u884c<\/td>\nSystem.in<\/code> \u2192 InputStreamReader<\/code> \u2192 BufferedReader<\/code><\/td>\n\u5173\u6700\u5916\u5c42 BufferedReader<\/code><\/td>\n<\/tr>\n
\u6587\u4ef6\u5b57\u8282\u7f13\u51b2<\/td>\nFileInputStream<\/code> \u2192 BufferedInputStream<\/code><\/td>\n\u5173 bis<\/code> \u5373\u53ef\uff0c\u5185\u5c42\u8ddf\u7740\u5173<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e09\u3001\u4e00\u5f20\u56fe\u4e32\u8d77\u6765<\/h2>\n
\u7406\u89e3 Java IO \u53ef\u5bf9\u7167\u4e0b\u56fe\uff1a<\/p>\n
\"\"<\/a><\/p>\n
\n
\u4e00\u53e5\u8bdd\u603b\u7ed3\uff1a\u5b57\u8282\u6d41\u8981\u5f53\u6587\u672c\u7528\u5c31\u8d70 InputStreamReader \u8fd9\u5ea7\u6865\uff1b\u6d41\u662f\u4e00\u5c42\u5c42\u88c5\u9970\u7684\uff0cclose \u6700\u5916\u5c42\uff0c\u91cc\u9762\u7684\u6570\u636e\u6e90\u4f1a\u88ab\u4e00\u8d77\u5173\u6389\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
Java I\/O \u53ef\u4ee5\u6309\u65b9\u5411\u5206\u6210\u8f93\u5165 \/ \u8f93\u51fa\uff0c\u6309\u6570\u636e\u5355\u4f4d\u5206\u6210\u5b57\u8282\u6d41\u548c\u5b57\u7b26\u6d41\u3002\u952e\u76d8 System.in \u662f\u5b57\u8282 […]<\/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\/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":4,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/661\/revisions"}],"predecessor-version":[{"id":3908,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/661\/revisions\/3908"}],"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}]}}