{"id":438,"date":"2022-12-25T09:44:20","date_gmt":"2023-06-06T14:26:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/r%e4%b8%ad%e7%9a%84paste%e5%87%bd%e6%95%b0-%e7%ae%80%e6%98%8e%e6%8c%87%e5%8d%97\/"},"modified":"2025-08-02T08:50:14","modified_gmt":"2025-08-02T00:50:14","slug":"r%e4%b8%ad%e7%9a%84paste%e5%87%bd%e6%95%b0-%e7%ae%80%e6%98%8e%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/r%e4%b8%ad%e7%9a%84paste%e5%87%bd%e6%95%b0-%e7%ae%80%e6%98%8e%e6%8c%87%e5%8d%97\/","title":{"rendered":"R\u8bed\u8a00paste()\u51fd\u6570\u5b8c\u5168\u6307\u5357\uff1a\u638c\u63e1\u5b57\u7b26\u4e32\u8fde\u63a5\u6280\u5de7"},"content":{"rendered":"<p>\u5728R\u4e2d\u4f7f\u7528paste()\u51fd\u6570\u5c06\u4f1a\u5f88\u7b80\u5355\u76f4\u63a5\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u4f7f\u7528paste()\u51fd\u6570\u6765\u8fde\u63a5\u5b57\u7b26\u4e32\u548c\u503c\u3002<\/p>\n<p>paste()\uff1a\u4ece\u591a\u4e2a\u5411\u91cf\u4e2d\u53d6\u51fa\u591a\u4e2a\u5143\u7d20\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u4e3a\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u9664\u4e86paste()\u51fd\u6570\u4e4b\u5916\uff0cR\u8fd8\u6709\u53e6\u4e00\u4e2a\u540d\u4e3apaste0()\u7684\u51fd\u6570\u3002\u662f\u7684\uff0c\u4f60\u6ca1\u542c\u9519\u3002<\/p>\n<p>paste0()\uff1apaste0()\u51fd\u6570\u4e0epaste()\u51fd\u6570\u7c7b\u4f3c\uff0c\u4f46\u9ed8\u8ba4\u5206\u9694\u7b26\u662f\u7a7a\u5b57\u7b26\u4e32\uff08\u65e0\u5206\u9694\u7b26\uff09\u3002<\/p>\n<hr \/>\n<h2>\u8ba9\u6211\u4eec\u4ece\u8bed\u6cd5\u5f00\u59cb<\/h2>\n<p>paste()\u51fd\u6570\u7684\u8bed\u6cd5\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span>sep<span class=\"token operator\">=<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">,<\/span> collapse<span class=\"token operator\">=<\/span><span class=\"token keyword\">NULL<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>x = \u5305\u542b\u503c\u7684\u5411\u91cf\u3002<\/li>\n<li>sep = \u7528\u4e8e\u5206\u9694\u5404\u4e2a\u53c2\u6570\u7684\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u4e3a\u7a7a\u683c\u3002<\/li>\n<li>collapse = \u7528\u4e8e\u5c06\u7ed3\u679c\u5411\u91cf\u6298\u53e0\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\u7684\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u4e3aNULL\u3002<\/li>\n<\/ul>\n<p>paste0()\u51fd\u6570\u7684\u8bed\u6cd5\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>paste0<span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span>collapse<span class=\"token operator\">=<\/span><span class=\"token keyword\">NULL<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>x = \u5305\u542b\u503c\u7684\u5411\u91cf\u3002<\/li>\n<li>collapse = \u7528\u4e8e\u5c06\u7ed3\u679c\u5411\u91cf\u6298\u53e0\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\u7684\u5206\u9694\u7b26\uff0c\u9ed8\u8ba4\u4e3aNULL\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u5982\u4f55\u5728R\u4e2d\u4f7f\u7528paste()\u51fd\u6570\uff1f<\/h2>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684paste()\u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u5143\u7d20\u4f5c\u4e3a\u8f93\u5165\uff0c\u5e76\u5c06\u8fd9\u4e9b\u8f93\u5165\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5143\u7d20\u4e4b\u95f4\u4f1a\u4ee5\u7a7a\u683c\u4f5c\u4e3a\u5206\u9694\u7b26\u3002\u4f46\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528&#8217;sep&#8217;\u53c2\u6570\u6765\u6539\u53d8\u5206\u9694\u7b26\u7684\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'two'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'four'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'six'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;1 two 3 four 5 six&#8221;<\/p>\n<hr \/>\n<h3>\u4f7f\u7528paste()\u51fd\u6570\u5e76\u5e26\u6709\u5206\u9694\u7b26\u53c2\u6570<\/h3>\n<p>paste\uff08\uff09\u51fd\u6570\u4e2d\u7684\u5206\u9694\u7b26\u53c2\u6570\u5c06\u5904\u7406\u7528\u4e8e\u5206\u9694\u5143\u7d20\u7684\u503c\u6216\u7b26\u53f7\uff0c\u8fd9\u4e9b\u503c\u6216\u7b26\u53f7\u7531paste()\u51fd\u6570\u4f5c\u4e3a\u8f93\u5165\u63a5\u53d7\u3002<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'two'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'four'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'six'<\/span><span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">\"_\"<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;1_two_3_four_5_six&#8221;<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'two'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'four'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'six'<\/span><span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">\"&amp;\"<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;1&amp;two&amp;3&amp;four&amp;5&amp;six&#8221;<\/p>\n<hr \/>\n<h3>\u5e26\u6709collapse\u53c2\u6570\u7684paste()\u51fd\u6570<\/h3>\n<p>\u5f53\u4f60\u5c06\u4e00\u4e2a\u5411\u91cf\u4f20\u9012\u7ed9paste()\u51fd\u6570\u65f6\uff0csep\u53c2\u6570\u5c06\u7528\u4e8e\u5206\u9694\u5411\u91cf\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\u3002\u800ccollapse\u53c2\u6570\u5219\u7528\u4e8e\u5c06\u6700\u7ec8\u7ed3\u679c\u5411\u91cf\u6298\u53e0\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">\"_\"<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;1_2_3_4_5_6_7_8&#8221;<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token string\">'Rita'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'Sam'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'John'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'Jat'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'Cook'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'Reaper'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">' and '<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;\u4e3d\u5854\u548c\u5c71\u59c6\u548c\u7ea6\u7ff0\u548c\u6770\u7279\u548c\u5e93\u514b\u548c\u6b7b\u795e&#8221;<\/p>\n<hr>\n<h3>\u5177\u6709\u5206\u9694\u7b26\u548c\u5408\u5e76\u53c2\u6570\u7684paste()\u51fd\u6570<\/h3>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u5206\u9694\u7b26\u548c\u6298\u53e0\u53c2\u6570\u5c06\u5982\u4f55\u5de5\u4f5c\u3002\u5206\u9694\u7b26\u53c2\u6570\uff08sep\uff09\u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u4e4b\u95f4\u7684\u5206\u9694\u7b26\uff0c\u800c\u6298\u53e0\u53c2\u6570\uff08collapse\uff09\u5219\u7528\u4e8e\u5c06\u591a\u4e2a\u5143\u7d20\u5408\u5e76\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528\u7684\u8fde\u63a5\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token string\">'a'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'b'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">'_'<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">' and '<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;a_1 \u548c b_2 \u548c a_3 \u548c b_4 \u548c a_5 \u548c b_6 \u548c a_7 \u548c b_8 \u548c a_9 \u548c b_10&#8221;<\/p>\n<pre class=\"post-pre\"><code>paste<span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token string\">'John'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'Ray'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">'='<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">' and '<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;\u7ea6\u7ff0=1 \u548c\u96f7=2 \u548c\u7ea6\u7ff0=3 \u548c\u96f7=4 \u548c\u7ea6\u7ff0=5&#8221;<\/p>\n<hr>\n<h2>\u5728R\u4e2d\u5982\u4f55\u4f7f\u7528paste0()\u51fd\u6570<\/h2>\n<p>paste0()\u51fd\u6570\u4e0epaste()\u51fd\u6570\u7684\u529f\u80fd\u7c7b\u4f3c\uff0c\u4f46\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4e0d\u4f7f\u7528\u4efb\u4f55\u5206\u9694\u7b26\uff08\u5373sep\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\u4e3a\u7a7a\uff09\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770bpaste0()\u51fd\u6570\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code>paste0<span class=\"token punctuation\">(<\/span><span class=\"token string\">'df'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;df1&#8221; &#8220;df2&#8221; &#8220;df3&#8221; &#8220;df4&#8221; &#8220;df5&#8221; &#8220;df6&#8221;<\/p>\n<p>\u4f60\u53ef\u4ee5\u770b\u5230\uff0cpaste0()\u51fd\u6570\u9ed8\u8ba4\u4e0d\u6dfb\u52a0\u4efb\u4f55\u5206\u9694\u7b26\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770bpaste0()\u51fd\u6570\u5982\u4f55\u4f7f\u7528collapse\u53c2\u6570\u3002<\/p>\n<hr>\n<h3>\u4f7f\u7528\u5177\u6709collapse\u53c2\u6570\u7684paste0()\u51fd\u6570<\/h3>\n<p>\u5728paste0()\u51fd\u6570\u4e2d\uff0ccollapse\u53c2\u6570\u662f\u7528\u4e8e\u5c06\u7ed3\u679c\u5411\u91cf\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\u8fde\u63a5\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528\u7684\u5206\u9694\u7b26\u3002<\/p>\n<pre class=\"post-pre\"><code>paste0<span class=\"token punctuation\">(<\/span><span class=\"token string\">'df'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">'_'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;df1_df2_df3_df4_df5&#8221;<\/p>\n<pre class=\"post-pre\"><code>paste0<span class=\"token punctuation\">(<\/span><span class=\"token string\">'df'<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">' &gt; '<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;df1\u5927\u4e8edf2\u5927\u4e8edf3\u5927\u4e8edf4\u5927\u4e8edf5&#8221;<\/p>\n<p>\u5f53\u4f60\u89c2\u5bdf\u4e0a\u8ff0\u7ed3\u679c\u65f6\uff0cpaste0()\u51fd\u6570\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8be5\u5b57\u7b26\u4e32\u901a\u8fc7\u6307\u5b9a\u7684\u6298\u53e0\u53c2\u6570\u5c06\u5404\u4e2a\u5143\u7d20\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<hr>\n<h2>\u5982\u4f55\u5728R\u4e2d\u7684\u6570\u636e\u6846\u4e2d\u4f7f\u7528paste()\u51fd\u6570<\/h2>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528paste()\u51fd\u6570\u5c06\u6570\u636e\u6846\u4e2d\u7684\u503c\u6216\u5143\u7d20\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5982\u4f55\u4f7f\u7528&#8221;BOD&#8221;\u6570\u636e\u96c6\u6765\u6f14\u793a\u3002<\/p>\n<div>\n    <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648cd5a4b2f92e6c7334fd\/59-0.png\" class='post-images' alt=\"Bod\u6570\u636e\u96c6\" title=\"BOD\u6570\u636e\u96c6\u793a\u4f8b\">\n<\/div>\n<pre class=\"post-pre\"><code>datasets<span class=\"token operator\">::<\/span>BOD\r\npaste<span class=\"token punctuation\">(<\/span>BOD<span class=\"token operator\">$<\/span>Time<span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">','<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">'_'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa = &#8220;1_2_3_4_5_7&#8221;<\/p>\n<pre class=\"post-pre\"><code>datasets<span class=\"token operator\">::<\/span>BOD\r\npaste<span class=\"token punctuation\">(<\/span>BOD<span class=\"token operator\">$<\/span>demand<span class=\"token punctuation\">,<\/span>sep <span class=\"token operator\">=<\/span> <span class=\"token string\">','<\/span><span class=\"token punctuation\">,<\/span>collapse <span class=\"token operator\">=<\/span> <span class=\"token string\">'_'<\/span><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u7ed3\u679c = 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