{"id":34975,"date":"2024-11-26T10:03:05","date_gmt":"2024-11-26T02:03:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34975\/"},"modified":"2024-11-26T10:03:05","modified_gmt":"2024-11-26T02:03:05","slug":"java%e4%b8%adbyte%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bd%ac%e6%8d%a2%e6%88%90%e6%b5%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34975\/","title":{"rendered":"Java\u4e2dByte\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u6d41"},"content":{"rendered":"<blockquote><p>\n  \u8981\u5c06 java \u4e2d\u7684 byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41\uff1a\u4f7f\u7528 bytearrayinputstream \u7c7b\u521b\u5efa\u6d41\u5bf9\u8c61\u3002\u4f7f\u7528 read() \u65b9\u6cd5\u4ece\u6d41\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u8fbe\u5230\u6d41\u672b\u5c3e\u65f6\uff0cread() \u65b9\u6cd5\u8fd4\u56de -1\u3002\u4f7f\u7528 close() \u65b9\u6cd5\u5173\u95ed\u6d41\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110307282084566.jpg\" class=\"aligncenter\" title=\"Java\u4e2dByte\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u6d41\u63d2\u56fe\" alt=\"Java\u4e2dByte\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u6d41\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u4e2d\u7684 Byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41<\/strong><\/p>\n<p>\u4e3a\u4e86\u5c06 Java \u4e2d\u7684 Byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ByteArrayInputStream \u7c7b\u3002\u8be5\u7c7b\u662f\u4e00\u4e2a\u6d41\u5bf9\u8c61\uff0c\u5141\u8bb8\u6211\u4eec\u4ece Byte \u6570\u7ec4\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5c31\u50cf\u5b83\u662f\u4e00\u4e2a\u5b9e\u9645\u7684\u8f93\u5165\u6d41\u4e00\u6837\u3002<\/p>\n<p><strong>\u6267\u884c\u6b65\u9aa4\uff1a<\/strong><\/p>\n<pre>import java.io.ByteArrayInputStream;\nimport java.io.IOException;\n\npublic class ByteToStream {\n\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a Byte \u6570\u7ec4\n        byte[] data = { 1, 2, 3, 4, 5 };\n\n        \/\/ \u5c06 Byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41\n        ByteArrayInputStream inputStream = new ByteArrayInputStream(data);\n\n        \/\/ \u4ece\u6d41\u4e2d\u8bfb\u53d6\u6570\u636e\n        try {\n            int byteData;\n            while ((byteData = inputStream.read()) != -1) {\n                System.out.println(byteData);\n            }\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u5173\u95ed\u6d41\n        try {\n            inputStream.close();\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4ee3\u7801\u89e3\u91ca\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li>\u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a Byte \u6570\u7ec4 data\u3002<\/li>\n<li>\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 ByteArrayInputStream(byte[] data) \u6784\u9020\u51fd\u6570\u5c06\u6570\u7ec4\u8f6c\u6362\u6210\u4e00\u4e2a\u6d41\u5bf9\u8c61 inputStream\u3002<\/li>\n<li>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528 read() \u65b9\u6cd5\u4ece\u6d41\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u4e0b\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\uff0c\u6216\u8005\u5728\u5230\u8fbe\u6d41\u672b\u5c3e\u65f6\u8fd4\u56de -1\u3002<\/li>\n<li>\u6211\u4eec\u5728\u4e00\u4e2a\u5faa\u73af\u4e2d\u7ee7\u7eed\u8bfb\u53d6\u6570\u636e\uff0c\u76f4\u5230\u5230\u8fbe\u6d41\u672b\u5c3e\u3002<\/li>\n<li>\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528 close() \u65b9\u6cd5\u5173\u95ed\u6d41\uff0c\u91ca\u653e\u5b83\u6240\u5360\u7528\u7684\u8d44\u6e90\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e2dByte\u6570\u7ec4\u600e\u4e48\u8f6c\u6362\u6210\u6d41\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u5c06 java \u4e2d\u7684 byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41\uff1a\u4f7f\u7528 bytearrayinputstream \u7c7b\u521b\u5efa\u6d41\u5bf9\u8c61\u3002\u4f7f\u7528 read() \u65b9\u6cd5\u4ece\u6d41\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u8fbe\u5230\u6d41\u672b\u5c3e\u65f6\uff0cread() \u65b9\u6cd5\u8fd4\u56de -1\u3002\u4f7f\u7528 close() \u65b9\u6cd5\u5173\u95ed\u6d41\u3002 \u5982\u4f55\u5c06 Java \u4e2d\u7684 Byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41 \u4e3a\u4e86\u5c06 Java \u4e2d\u7684 Byte \u6570\u7ec4\u8f6c\u6362\u6210\u6d41\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ByteArrayInputStream \u7c7b\u3002\u8be5\u7c7b\u662f\u4e00\u4e2a\u6d41\u5bf9\u8c61\uff0c\u5141\u8bb8\u6211\u4eec\u4ece Byte \u6570\u7ec4\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5c31\u50cf\u5b83\u662f\u4e00\u4e2a\u5b9e\u9645\u7684\u8f93\u5165\u6d41\u4e00\u6837\u3002 \u6267\u884c\u6b65\u9aa4\uff1a import java.io.ByteArrayInputStream; import java.io.IOException; public class ByteToStream { public static void main(String[] args) { \/\/ \u521b\u5efa\u4e00\u4e2a Byte \u6570\u7ec4 byte[] data = { 1, 2, 3, 4, 5 [&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-34975","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34975","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=34975"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34975\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}