{"id":37346,"date":"2024-11-26T14:33:09","date_gmt":"2024-11-26T06:33:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37346\/"},"modified":"2024-11-26T14:33:09","modified_gmt":"2024-11-26T06:33:09","slug":"java%e4%b8%adbyte%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37346\/","title":{"rendered":"java\u4e2dbyte\u6570\u7ec4\u600e\u4e48\u8f93\u51fa"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u8f93\u51fa\u5b57\u8282\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a1. \u4f7f\u7528 arrays.tostring()\uff0c\u76f4\u63a5\u8f93\u51fa\u9017\u53f7\u5206\u9694\u7684\u5b57\u8282\u503c\uff1b2. \u4f7f\u7528 stringjoiner\uff0c\u7075\u6d3b\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\uff1b3. \u4f7f\u7528 stringbuilder\uff0c\u521b\u5efa\u53ef\u53d8\u5b57\u7b26\u4e32\u7f13\u51b2\u533a\uff1b4. \u4f7f\u7528 formatter\uff0c\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111304155235154.jpg\" class=\"aligncenter\" title=\"java\u4e2dbyte\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u63d2\u56fe\" alt=\"java\u4e2dbyte\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u5b57\u8282\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u8f93\u51fa\u5b57\u8282\u6570\u7ec4<\/strong><\/p>\n<p>\u6700\u5feb\u6377\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff0c\u5b83\u5c06\u5b57\u8282\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u8be5\u5b57\u7b26\u4e32\u5305\u542b\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5b57\u8282\u503c\u3002<\/p>\n<pre>byte[] bytes = {1, 2, 3, 4, 5};\nSystem.out.println(Arrays.toString(bytes)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 StringJoiner<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>StringJoiner \u7c7b\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<pre>byte[] bytes = {1, 2, 3, 4, 5};\nStringJoiner joiner = new StringJoiner(\", \");\nfor (byte b : bytes) {\n    joiner.add(String.valueOf(b));\n}\nSystem.out.println(joiner.toString()); \/\/ \u8f93\u51fa\uff1a1, 2, 3, 4, 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 StringBuilder<\/strong><\/p>\n<p>\u53e6\u4e00\u79cd\u9009\u62e9\u662f\u4f7f\u7528 StringBuilder\uff0c\u5b83\u63d0\u4f9b\u53ef\u53d8\u7684\u5b57\u7b26\u4e32\u7f13\u51b2\u533a\u3002<\/p>\n<pre>byte[] bytes = {1, 2, 3, 4, 5};\nStringBuilder sb = new StringBuilder();\nfor (byte b : bytes) {\n    sb.append(b).append(\", \");\n}\nSystem.out.println(sb.toString()); \/\/ \u8f93\u51fa\uff1a1, 2, 3, 4, 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u81ea\u5b9a\u4e49\u683c\u5f0f<\/strong><\/p>\n<p>\u5982\u679c\u9700\u8981\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528 Formatter \u7c7b\u3002<\/p>\n<pre>byte[] bytes = {1, 2, 3, 4, 5};\nFormatter formatter = new Formatter();\nformatter.format(\"\u5b57\u8282\u6570\u7ec4\uff1a%s\", Arrays.toString(bytes));\nSystem.out.println(formatter.toString()); \/\/ \u8f93\u51fa\uff1a\u5b57\u8282\u6570\u7ec4\uff1a[1, 2, 3, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u8f93\u51fa\u5b57\u8282\u6570\u7ec4\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u975e\u6253\u5370\u5b57\u7b26\u6216\u7279\u6b8a\u5b57\u7b26\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5e8f\u5217\u6216\u7f16\u7801\u65b9\u6cd5\u6765\u5904\u7406\u8fd9\u4e9b\u5b57\u7b26\u3002<\/li>\n<li>\u5bf9\u4e8e\u5927\u5b57\u8282\u6570\u7ec4\uff0c\u5efa\u8bae\u4f7f\u7528\u66f4\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u5c06\u5b57\u8282\u6570\u7ec4\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\u6216\u4f7f\u7528\u6d41\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2dbyte\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\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\u8f93\u51fa\u5b57\u8282\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u56db\u79cd\uff1a1. \u4f7f\u7528 arrays.tostring()\uff0c\u76f4\u63a5\u8f93\u51fa\u9017\u53f7\u5206\u9694\u7684\u5b57\u8282\u503c\uff1b2. \u4f7f\u7528 stringjoiner\uff0c\u7075\u6d3b\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\uff1b3. \u4f7f\u7528 stringbuilder\uff0c\u521b\u5efa\u53ef\u53d8\u5b57\u7b26\u4e32\u7f13\u51b2\u533a\uff1b4. \u4f7f\u7528 formatter\uff0c\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002 \u5982\u4f55\u5728 Java \u4e2d\u8f93\u51fa\u5b57\u8282\u6570\u7ec4 \u76f4\u63a5\u8f93\u51fa\u5b57\u8282\u6570\u7ec4 \u6700\u5feb\u6377\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u4f7f\u7528 Arrays.toString() \u65b9\u6cd5\uff0c\u5b83\u5c06\u5b57\u8282\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u8be5\u5b57\u7b26\u4e32\u5305\u542b\u4ee5\u9017\u53f7\u5206\u9694\u7684\u5b57\u8282\u503c\u3002 byte[] bytes = {1, 2, 3, 4, 5}; System.out.println(Arrays.toString(bytes)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5] \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 StringJoiner \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b StringJoiner \u7c7b\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002 byte[] bytes = {1, 2, 3, 4, 5}; StringJoiner joiner = new StringJoiner(&#8220;, &#8220;); for (byte [&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-37346","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37346","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=37346"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37346\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}