{"id":6914,"date":"2022-08-17T14:38:27","date_gmt":"2022-08-17T06:38:27","guid":{"rendered":"http:\/\/123.57.164.21\/?p=6914"},"modified":"2022-08-17T14:38:27","modified_gmt":"2022-08-17T06:38:27","slug":"java-stringutils-join%e6%96%b9%e6%b3%95%e4%b8%8estring-join%e6%96%b9%e6%b3%95%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=6914","title":{"rendered":"Java StringUtils.join()\u65b9\u6cd5\u4e0eString.join()\u65b9\u6cd5\u7684\u4f7f\u7528"},"content":{"rendered":"\n<p>StringUtils.join()\u548cString.join()\u7528\u9014\uff1a\u5c06\u6570\u7ec4\u6216<a rel=\"noreferrer noopener\" href=\"https:\/\/so.csdn.net\/so\/search?q=%E9%9B%86%E5%90%88&amp;spm=1001.2101.3001.7020\" target=\"_blank\">\u96c6\u5408<\/a>\u4ee5\u67d0\u62fc\u63a5\u7b26\u62fc\u63a5\u5230\u4e00\u8d77\u5f62\u6210\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p><strong>1.StringUtils.join()\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<ul><li>\u4f7f\u7528\u524d\u9700\u5148\u5f15\u5165common-lang3\u7684jar\u5305\uff0c\u53ef\u53bb\u5b98\u7f51\u4e0b\u8f7d\uff1a<a href=\"https:\/\/commons.apache.org\/proper\/commons-lang\/download_lang.cgi\">apache\u5b98\u7f51\u4e0b\u8f7d\u9875\u9762<\/a><\/li><li>\u65b9\u6cd5\u5982\u4e0b\u56fe\uff1a<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-2.png\" alt=\"\" class=\"wp-image-6915\" width=\"448\" height=\"247\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2.png 776w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2-300x165.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2-768x424.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2-230x127.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2-350x193.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-2-480x265.png 480w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u57fa\u672c\u4e0a\u6b64\u65b9\u6cd5\u9700\u4f20\u51652\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u4f20\u5165\u4e00\u4e2a\u4efb\u610f\u7c7b\u578b\u6570\u7ec4\u6216\u96c6\u5408\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u62fc\u63a5\u7b26\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">List&lt;String> list = new ArrayList&lt;>();\nlist.add(\"Mxy\");\nlist.add(\"StringUtils\");\nlist.add(\"join\");\nString join = StringUtils.join(list,\"-\");\/\/\u4f20\u5165String\u7c7b\u578b\u7684List\u96c6\u5408\uff0c\u4f7f\u7528\"-\"\u53f7\u62fc\u63a5\nSystem.out.println(join);\n\t\t\nString[] s = new String[]{\"Yuan\",\"Mxy\"};\/\/\u4f20\u5165String\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u4f7f\u7528\"-\"\u53f7\u62fc\u63a5\nString join2 = StringUtils.join(s,\"-\");\nSystem.out.println(join2);<\/pre>\n\n\n\n<p>\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Mxy-StringUtils-join\nYuan-Mxy\n<\/pre>\n\n\n\n<p><strong>2.String.join()\u65b9\u6cd5:String.join()\u662fJDK8\u65b0\u589e\u65b9\u6cd5(\u65e0\u9700\u5f15\u5305\uff09<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/08\/image-3.png\" alt=\"\" class=\"wp-image-6916\" width=\"505\" height=\"70\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-3.png 710w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-3-300x41.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-3-230x32.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-3-350x48.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/08\/image-3-480x66.png 480w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/figure><\/div>\n\n\n\n<p>\u53d1\u73b0\u53c2\u6570\u4e3a2\u4e2a\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u62fc\u63a5\u7b26\u53f7\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u6570\u7ec4\u548c\u96c6\u5408<\/p>\n\n\n\n<p>\u8fd9\u91cc\u548cStringUtils.join()\u6709\u533a\u522b\uff0c\u53c2\u6570\u987a\u5e8f\u4e0d\u4e00\u6837\uff0c\u53e6\u5916\uff0cStringUtils.join(\uff09\u53ef\u4ee5\u4f20\u5165Integer\u6216\u8005\u5176\u4ed6\u7c7b\u578b\u7684\u96c6\u5408\u6216\u6570\u7ec4\uff0c\u800cString.join()\u5c3d\u53ef\u4ee5\u4f20\u5165\u5b9e\u73b0charSequence\u63a5\u53e3\u7c7b\u578b\u7684\u96c6\u5408\u6216\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u662f<a rel=\"noreferrer noopener\" href=\"https:\/\/so.csdn.net\/so\/search?q=%E5%AD%97%E7%AC%A6%E4%B8%B2&amp;spm=1001.2101.3001.7020\" target=\"_blank\">\u5b57\u7b26\u4e32<\/a>\u7c7b\u578b\u7684\u96c6\u5408\u6216\u6570\u7ec4\u63a8\u8350\u4f7f\u7528String.join()\u3002<\/p>\n\n\n\n<p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">List&lt;String> list = new ArrayList&lt;>();\nlist.add(\"Mxy\");\nlist.add(\"String\");\nlist.add(\"join\");\nString join = String.join(\"-\",list);\/\/\u4f20\u5165String\u7c7b\u578b\u7684List\u96c6\u5408\uff0c\u4f7f\u7528\"-\"\u53f7\u62fc\u63a5\nSystem.out.println(join);\n\t\t\nString[] s = new String[]{\"Yuan\",\"Mxy\"};\/\/\u4f20\u5165String\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u4f7f\u7528\"-\"\u53f7\u62fc\u63a5\nString join2 = String.join(\"-\",s);\nSystem.out.println(join2);\n<\/pre>\n\n\n\n<p>\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Mxy-StringUtils-join\nYuan-Mxy<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>StringUtils.join()\u548cString.join()\u7528\u9014\uff1a\u5c06\u6570\u7ec4\u6216\u96c6\u5408\u4ee5\u67d0\u62fc\u63a5\u7b26\u62fc\u63a5\u5230\u4e00\u8d77\u5f62\u6210\u65b0\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6914"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6914"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6914\/revisions"}],"predecessor-version":[{"id":6918,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6914\/revisions\/6918"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}