{"id":40293,"date":"2024-11-26T15:27:04","date_gmt":"2024-11-26T07:27:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40293\/"},"modified":"2024-11-26T15:27:04","modified_gmt":"2024-11-26T07:27:04","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%8a%8a%e4%b8%a4%e4%b8%aabyte%e6%95%b0%e7%bb%84%e8%bf%9e%e8%b5%b7%e6%9d%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40293\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2abyte\u6570\u7ec4\u8fde\u8d77\u6765"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 concatenatebytes \u65b9\u6cd5\uff0c\u901a\u8fc7 system.arraycopy \u51fd\u6570\u9010\u4e2a\u590d\u5236\u5143\u7d20\u3002\u4f7f\u7528 apache commons lang3 \u5e93\u7684 arrayutils.addall \u65b9\u6cd5\u4e00\u952e\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111816244993391.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2abyte\u6570\u7ec4\u8fde\u8d77\u6765\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2abyte\u6570\u7ec4\u8fde\u8d77\u6765\u63d2\u56fe\" \/><\/p>\n<h2>\u5982\u4f55\u5728 Java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4<\/h2>\n<p>\u8981\u5728 Java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a<\/strong><\/p>\n<pre>public static byte[] concatenateBytes(byte[] firstArray, byte[] secondArray) {\n    byte[] result = new byte[firstArray.length + secondArray.length];\n    System.arraycopy(firstArray, 0, result, 0, firstArray.length);\n    System.arraycopy(secondArray, 0, result, firstArray.length, secondArray.length);\n    return result;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 Apache Commons Lang3 \u5e93\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>import org.apache.commons.lang3.ArrayUtils;\n\npublic static byte[] concatenateBytes(byte[] firstArray, byte[] secondArray) {\n    return ArrayUtils.addAll(firstArray, secondArray);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>byte[] firstArray = {1, 2, 3};\nbyte[] secondArray = {4, 5, 6};\n\nbyte[] concatenatedArray = concatenateBytes(firstArray, secondArray);\n\n\/\/ \u8f93\u51fa\uff1a1, 2, 3, 4, 5, 6\nfor (byte b : concatenatedArray) {\n    System.out.print(b + \", \");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u628a\u4e24\u4e2abyte\u6570\u7ec4\u8fde\u8d77\u6765\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>\u5728 java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 concatenatebytes \u65b9\u6cd5\uff0c\u901a\u8fc7 system.arraycopy \u51fd\u6570\u9010\u4e2a\u590d\u5236\u5143\u7d20\u3002\u4f7f\u7528 apache commons lang3 \u5e93\u7684 arrayutils.addall \u65b9\u6cd5\u4e00\u952e\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u3002 \u5982\u4f55\u5728 Java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4 \u8981\u5728 Java \u4e2d\u62fc\u63a5\u4e24\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a \u65b9\u6cd5\u4e00\uff1a public static byte[] concatenateBytes(byte[] firstArray, byte[] secondArray) { byte[] result = new byte[firstArray.length + secondArray.length]; System.arraycopy(firstArray, 0, result, 0, firstArray.length); System.arraycopy(secondArray, 0, result, firstArray.length, secondArray.length); return result; } \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a \u4f7f\u7528 Apache Commons Lang3 \u5e93\uff1a [&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-40293","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40293","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=40293"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40293\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}