{"id":203558,"date":"2025-05-22T13:36:07","date_gmt":"2025-05-22T05:36:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203558\/"},"modified":"2025-05-22T13:36:07","modified_gmt":"2025-05-22T05:36:07","slug":"%e9%a2%84%e5%ae%9a%e4%b9%89%e6%b5%81%e5%92%8c%e4%bd%bf%e7%94%a8%e5%ad%97%e8%8a%82%e6%b5%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203558\/","title":{"rendered":"\u9884\u5b9a\u4e49\u6d41\u548c\u4f7f\u7528\u5b57\u8282\u6d41"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u9884\u5b9a\u4e49\u6d41\u548c\u4f7f\u7528\u5b57\u8282\u6d41<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span>    <\/p>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u9884\u5b9a\u4e49\u6d41\u548c\u4f7f\u7528\u5b57\u8282\u6d41\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241111\/17313257246731ef1c9d8a9.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u9884\u5b9a\u4e49\u6d41\u7a0b\uff1a<\/strong><\/p>\n<ul>\n<li>system\u7c7b\uff1ajava.lang\u5305\u81ea\u52a8\u5bfc\u5165system\u7c7b\uff0c\u4ee3\u8868java\u8fd0\u884c\u73af\u5883\u3002<\/li>\n<li>\u6d41\u53d8\u91cf\uff1a\u5305\u542b\u4e09\u4e2a\u9884\u5b9a\u4e49\u6d41\uff1asystem.in\u3001system.out \u548c system.err\u3002<\/li>\n<li>system.out\uff1a\u6807\u51c6\u8f93\u51fa\u6d41\uff08\u901a\u5e38\u662f\u63a7\u5236\u53f0\uff09\u3002<\/li>\n<li>system.in\uff1a\u9ed8\u8ba4\u8f93\u5165\u6d41\uff08\u901a\u5e38\u662f\u952e\u76d8\uff09\u3002<\/li>\n<li>system.err\uff1a\u6807\u51c6\u9519\u8bef\u6d41\uff08\u4e5f\u662f\u63a7\u5236\u53f0\uff09\u3002<\/li>\n<\/ul>\n<p><strong>\u6d41\u7c7b\u578b\uff1a<\/strong><\/p>\n<ul>\n<li>system.in \u7684\u7c7b\u578b\u4e3a inputstream\u3002<\/li>\n<li>system.out \u548c system.err \u662f printstream \u7c7b\u578b\u3002<\/li>\n<li>\u8fd9\u4e9b\u90fd\u662f\u5b57\u8282\u6d41\uff0c\u4f46\u662f\u53ef\u4ee5\u5c01\u88c5\u6210\u5b57\u7b26\u6d41\u3002<\/li>\n<\/ul>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre>system.out.println(\"este \u00e9 o fluxo de sa\u00edda padr\u00e3o.\");\nsystem.err.println(\"este \u00e9 o fluxo de erro.\");\nint dado = system.in.read(); \/\/ l\u00ea um byte do teclado\n\n<\/pre>\n<p><strong>\u5b57\u8282\u6d41\u7684\u4f7f\u7528\uff1a<\/strong><\/p>\n<p><strong>\u5b57\u8282\u6d41\u5c42\u6b21\u7ed3\u6784\uff1a<\/strong><\/p>\n<ul>\n<li>inputstream \u548c outputstream \u4f4d\u4e8e\u5c42\u6b21\u7ed3\u6784\u7684\u9876\u90e8\u3002<\/li>\n<li>\u5b83\u4eec\u63d0\u4f9b\u4e86\u57fa\u672c\u7684 i\/o \u65b9\u6cd5\uff0c\u5728\u53d1\u751f\u9519\u8bef\u65f6\u53ef\u4ee5\u629b\u51fa ioexception\u3002<\/li>\n<li>\u89d2\u8272\u6d41\u7a0b\u504f\u597d\uff1a<\/li>\n<li>\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u5b57\u8282\u6d41\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\uff0c\u4f46\u5efa\u8bae\u4f7f\u7528\u5b57\u7b26\u6d41\uff0c\u4ee5\u65b9\u4fbf\u56fd\u9645\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<li>\u4f55\u65f6\u4f7f\u7528\u5b57\u8282\u6d41\uff1a<\/li>\n<li>\u9002\u7528\u4e8e\u793a\u4f8b\u7a0b\u5e8f\u3001\u7b80\u5355\u5b9e\u7528\u7a0b\u5e8f\u4ee5\u53ca\u4f7f\u7528\u539f\u59cb\u952e\u76d8\u8f93\u5165\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u63a7\u5236\u53f0\u5b57\u8282\u6d41\u8bfb\u53d6\u793a\u4f8b\uff1a<\/p>\n<pre>try {\n    InputStream input = System.in;\n    System.out.print(\"Digite um caractere: \");\n    int caractere = input.read(); \/\/ L\u00ea um byte do console\n    System.out.println(\"Voc\u00ea digitou: \" + (char) caractere);\n} catch (IOException e) {\n    System.err.println(\"Erro ao ler o caractere.\");\n}\n\n<\/pre>\n<p>\u6b64\u6458\u5f55\u5f3a\u8c03\u9884\u5b9a\u4e49\u6d41\u662f java \u4e2d\u7684\u57fa\u7840\uff0c\u5e76\u4ecb\u7ecd\u4e86\u5b57\u8282\u6d41\u8fdb\u884c\u7b80\u5355\u8f93\u5165\u548c\u8f93\u51fa\u64cd\u4f5c\u7684\u57fa\u672c\u7528\u6cd5\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u9884\u5b9a\u4e49\u6d41\u548c\u4f7f\u7528\u5b57\u8282\u6d41\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<p>      \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":"<p>\u9884\u5b9a\u4e49\u6d41\u548c\u4f7f\u7528\u5b57\u8282\u6d41 \u6536\u85cf \u5c0f\u4f19&#46;&#46;&#46;<\/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-203558","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203558","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=203558"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203558\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}