{"id":64438,"date":"2025-05-03T08:48:11","date_gmt":"2025-05-03T00:48:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64438\/"},"modified":"2025-05-03T08:48:11","modified_gmt":"2025-05-03T00:48:11","slug":"%e8%af%bb%e5%8f%96%e6%8e%a7%e5%88%b6%e5%8f%b0%e8%be%93%e5%85%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64438\/","title":{"rendered":"\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173061414466021.jpg\" class=\"aligncenter\" title=\"\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\u63d2\u56fe\" alt=\"\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\u63d2\u56fe\" \/><\/p>\n<p><strong>inputstream\u8bfb\u53d6\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>read()\uff1a\u5141\u8bb8\u60a8\u76f4\u63a5\u4ece\u6d41\u4e2d\u8bfb\u53d6\u5b57\u8282\u3002<\/li>\n<li>read() \u7684\u4e09\u4e2a\u7248\u672c\uff1a<\/li>\n<li>int read()\uff1a\u8bfb\u53d6\u5355\u4e2a\u5b57\u8282\u5e76\u5728\u6d41\u672b\u5c3e\u8fd4\u56de-1\u3002<\/li>\n<li>int read(byte data[])\uff1a\u8bfb\u53d6\u5b57\u8282\uff0c\u76f4\u5230\u6570\u636e\u6570\u7ec4\u586b\u6ee1\u3001\u5230\u8fbe\u6d41\u672b\u5c3e\u6216\u53d1\u751f\u9519\u8bef\u3002\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u8282\u6570\uff0c\u5982\u679c\u5230\u8fbe\u6d41\u672b\u5c3e\u5219\u8fd4\u56de -1\u3002<\/li>\n<li>int read(byte data[], int start, int max)\uff1a\u4ece\u8d77\u59cb\u7d22\u5f15\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\u6570\u7ec4\u4e2d\u7684\u6700\u5927\u5b57\u8282\u6570\u3002\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u8282\u6570\uff0c\u5982\u679c\u5230\u8fbe\u6d41\u672b\u5c3e\u5219\u8fd4\u56de -1\u3002<\/li>\n<li>\u5f02\u5e38\uff1a\u6240\u6709\u7248\u672c\u7684 read() \u90fd\u53ef\u4ee5\u5728\u53d1\u751f\u9519\u8bef\u65f6\u629b\u51fa ioexception\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528 system.in \u8fdb\u884c\u8bfb\u53d6\uff1a<\/strong><br \/> \u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\uff1asystem.in\u7528\u4f5c\u8f93\u5165\u6d41\uff0c\u6309\u201center\u201d\u8868\u793a\u8f93\u5165\u6d41\u7ed3\u675f\u3002<\/p>\n<p><strong>readbytes \u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><br \/> \u529f\u80fd\uff1a\u7a0b\u5e8f\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u5b57\u8282\u6570\u7ec4\u5e76\u663e\u793a\u8f93\u5165\u7684\u5b57\u7b26\u3002<br \/> \u4ee3\u7801\u7ed3\u6784\uff1a<br \/> data[]\uff1a\u7528\u4e8e\u5b58\u50a8\u8f93\u5165\u7684 10 \u5b57\u8282\u6570\u7ec4\u3002<br \/> system.in.read(data)\uff1a\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\u7684\u5b57\u7b26\u5e76\u5c06\u5176\u5b58\u50a8\u5728data\u4e2d\u3002<br \/> \u663e\u793a\u5faa\u73af\uff1a\u8fed\u4ee3 data[] \u5c06\u6bcf\u4e2a\u5b57\u8282\u8f6c\u6362\u4e3a\u5b57\u7b26\u5e76\u663e\u793a\u5b83\u4eec\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>import java.io.*;\n\nclass readbytes {\n    public static void main(string args[]) throws ioexception {\n        byte data[] = new byte[10];\n        system.out.println(\"enter some characters.\");\n        system.in.read(data); \/\/ l\u00ea o array de bytes\n        system.out.print(\"you entered: \");\n        for (int i = 0; i &lt; data.length; i++)\n            system.out.print((char) data[i]); \/\/ converte e exibe cada byte como caractere\n    }\n}\n\n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u6267\u884c\u793a\u4f8b\uff1a<\/strong><br \/> \u8f93\u5165\uff1a\u201c\u8bfb\u53d6\u5b57\u8282\u201d<br \/> \u8f93\u51fa\uff1a<\/p>\n<pre>Enter some characters.\nYou entered: Read Bytes\n\n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6b64\u6458\u5f55\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528 read() \u65b9\u6cd5\u4ece\u952e\u76d8\u8bfb\u53d6\u5b57\u8282\u683c\u5f0f\u7684\u6570\u636e\uff0c\u8bf4\u660e\u4e86 system.in \u7528\u4e8e\u63a7\u5236\u53f0\u8f93\u5165\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u5e76\u6f14\u793a\u4e86\u5bf9\u6570\u7ec4\u4e2d\u5b57\u8282\u7684\u76f4\u63a5\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>inputstream\u8bfb\u53d6\u65b9\u6cd5\uff1a read()\uff1a\u5141\u8bb8\u60a8\u76f4\u63a5\u4ece\u6d41\u4e2d\u8bfb\u53d6\u5b57\u8282\u3002 read() \u7684\u4e09\u4e2a\u7248\u672c\uff1a int read()\uff1a\u8bfb\u53d6\u5355\u4e2a\u5b57\u8282\u5e76\u5728\u6d41\u672b\u5c3e\u8fd4\u56de-1\u3002 int read(byte data[])\uff1a\u8bfb\u53d6\u5b57\u8282\uff0c\u76f4\u5230\u6570\u636e\u6570\u7ec4\u586b\u6ee1\u3001\u5230\u8fbe\u6d41\u672b\u5c3e\u6216\u53d1\u751f\u9519\u8bef\u3002\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u8282\u6570\uff0c\u5982\u679c\u5230\u8fbe\u6d41\u672b\u5c3e\u5219\u8fd4\u56de -1\u3002 int read(byte data[], int start, int max)\uff1a\u4ece\u8d77\u59cb\u7d22\u5f15\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\u6570\u7ec4\u4e2d\u7684\u6700\u5927\u5b57\u8282\u6570\u3002\u8fd4\u56de\u8bfb\u53d6\u7684\u5b57\u8282\u6570\uff0c\u5982\u679c\u5230\u8fbe\u6d41\u672b\u5c3e\u5219\u8fd4\u56de -1\u3002 \u5f02\u5e38\uff1a\u6240\u6709\u7248\u672c\u7684 read() \u90fd\u53ef\u4ee5\u5728\u53d1\u751f\u9519\u8bef\u65f6\u629b\u51fa ioexception\u3002 \u4f7f\u7528 system.in \u8fdb\u884c\u8bfb\u53d6\uff1a \u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\uff1asystem.in\u7528\u4f5c\u8f93\u5165\u6d41\uff0c\u6309\u201center\u201d\u8868\u793a\u8f93\u5165\u6d41\u7ed3\u675f\u3002 readbytes \u4ee3\u7801\u793a\u4f8b\uff1a \u529f\u80fd\uff1a\u7a0b\u5e8f\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u5b57\u8282\u6570\u7ec4\u5e76\u663e\u793a\u8f93\u5165\u7684\u5b57\u7b26\u3002 \u4ee3\u7801\u7ed3\u6784\uff1a data[]\uff1a\u7528\u4e8e\u5b58\u50a8\u8f93\u5165\u7684 10 \u5b57\u8282\u6570\u7ec4\u3002 system.in.read(data)\uff1a\u8bfb\u53d6\u63a7\u5236\u53f0\u8f93\u5165\u7684\u5b57\u7b26\u5e76\u5c06\u5176\u5b58\u50a8\u5728data\u4e2d\u3002 \u663e\u793a\u5faa\u73af\uff1a\u8fed\u4ee3 data[] \u5c06\u6bcf\u4e2a\u5b57\u8282\u8f6c\u6362\u4e3a\u5b57\u7b26\u5e76\u663e\u793a\u5b83\u4eec\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a import java.io.*; class readbytes { public static void main(string args[]) throws ioexception { byte data[] = new [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64438","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64438"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64438\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}