{"id":203694,"date":"2025-05-22T09:30:43","date_gmt":"2025-05-22T01:30:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203694\/"},"modified":"2025-05-22T09:30:43","modified_gmt":"2025-05-22T01:30:43","slug":"%e4%bd%bf%e7%94%a8%e5%ad%97%e7%ac%a6%e6%b5%81%e8%bf%9b%e8%a1%8c%e6%96%87%e4%bb%b6-i-o","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203694\/","title":{"rendered":"\u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 I\/O"},"content":{"rendered":"

<\/b> <\/p>\n

\u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 I\/O<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300a\u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 I\/O\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

<\/p>\n

\u4e0e\u57fa\u4e8e\u5b57\u8282\u7684\u6d41\u4e0d\u540c\uff0c\u5728 java \u4e2d\u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 i\/o \u64cd\u4f5c\u4e3b\u8981\u7528\u4e8e\u64cd\u4f5c unicode \u6587\u672c\u3002\u50cf filereader \u548c filewriter \u8fd9\u6837\u7684\u7c7b\u53ef\u4ee5\u65b9\u4fbf\u5730\u4f7f\u7528\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n

\u4f7f\u7528 filewriter<\/strong><\/p>\n

filewriter \u7c7b\u5141\u8bb8\u60a8\u521b\u5efa writer \u5bf9\u8c61\u6765\u5199\u5165\u6587\u4ef6\u3002\u5b83\u7684\u4e3b\u8981\u6784\u9020\u51fd\u6570\u6709\uff1a<\/p>\n

filewriter(string nomearquivo) throws ioexception\nfilewriter(string nomearquivo, boolean incluir) throws ioexception\n\n<\/pre>\n
    \n
  • filename\uff1a\u8868\u793a\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u3002<\/li>\n
  • include\uff1a\u5b9a\u4e49\u662f\u5426\u5c06\u5199\u5165\u5185\u5bb9\u6dfb\u52a0\u5230\u6587\u4ef6\u672b\u5c3e\uff08true\uff09\u6216\u662f\u5426\u8986\u76d6\u73b0\u6709\u6587\u4ef6\uff08false\uff09\u3002<\/li>\n<\/ul>\n
    \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7a0b\u5e8f\u7684\u793a\u4f8b\uff0c\u5b83\u4ece\u952e\u76d8\u8bfb\u53d6\u6587\u672c\u884c\u5e76\u5c06\u5176\u5199\u5165\u540d\u4e3a\u201ctest.txt\u201d\u7684\u6587\u4ef6\u3002\u9605\u8bfb\u5c06\u7ee7\u7eed\uff0c\u76f4\u5230\u7528\u6237\u8f93\u5165\u201c\u505c\u6b62\u201d\u3002<\/p>\n
    import java.io.*;\n\nclass KtoD {\n  public static void main(String args[]) {\n    String str;\n    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n    System.out.println(\"Enter text ('stop' to quit).\");\n\n    try (FileWriter fw = new FileWriter(\"test.txt\")) {\n      do {\n        System.out.print(\": \");\n        str = br.readLine();\n        if (str.compareTo(\"stop\") == 0) break;\n        str = str + \"\\r\\n\"; \/\/ adiciona nova linha\n        fw.write(str);\n      } while (str.compareTo(\"stop\") != 0);\n    } catch(IOException exc) {\n      System.out.println(\"I\/O Error: \" + exc);\n    }\n  }\n}\n\n<\/pre>\n
    \u5728\u6b64\u793a\u4f8b\u4e2d\uff1a<\/strong><\/p>\n
      \n
    • bufferedreader \u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u6587\u672c\u884c\u3002<\/li>\n
    • filewriter \u5c06\u6587\u672c\u5199\u5165\u6587\u4ef6\u201ctest.txt\u201d\uff0c\u5728\u6bcf\u4e2a\u6761\u76ee\u540e\u6dfb\u52a0\u4e00\u4e2a\u65b0\u884c\u3002<\/li>\n
    • \u505c\u6b62\u6761\u4ef6\uff1a\u5f53\u7528\u6237\u8f93\u5165\u201c\u505c\u6b62\u201d\u65f6\uff0c\u5f55\u97f3\u505c\u6b62\u3002<\/li>\n<\/ul>\n
      \u5c06 filewriter \u4e0e bufferedreader \u7ed3\u5408\u4f7f\u7528\u53ef\u4ee5\u7b80\u5316\u5728\u6587\u4ef6\u4e2d\u5199\u5165\u6587\u672c\u548c\u64cd\u4f5c\u6570\u636e\uff0c\u7279\u522b\u662f\u5728\u8fde\u7eed\u548c\u56fd\u9645\u5316\u7684\u6587\u672c\u64cd\u4f5c\u4e2d\u3002<\/p>\n
      \u4eca\u5929\u5173\u4e8e\u300a\u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 I\/O\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n
            \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4f7f\u7528\u5b57\u7b26\u6d41\u8fdb\u884c\u6587\u4ef6 I\/O \u6536\u85cf...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203694","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203694"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203694\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}