{"id":140914,"date":"2024-10-31T21:08:19","date_gmt":"2024-10-31T13:08:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140914\/"},"modified":"2024-10-31T21:08:20","modified_gmt":"2024-10-31T13:08:20","slug":"sql-server-%e5%8f%b3%e5%a1%ab%e5%85%85%ef%bc%9a%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e8%87%aa%e5%8b%95%e8%a3%9c%e9%bd%8a%ef%bc%88sqlserver-%e5%8f%b3%e5%a1%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140914\/","title":{"rendered":"SQL Server \u53f3\u586b\u5145\uff1a\u8f15\u9b06\u5be6\u73fe\u5b57\u7b26\u4e32\u7684\u81ea\u52d5\u88dc\u9f4a\uff08sqlserver \u53f3\u586b\u5145\uff09"},"content":{"rendered":"<h1 id=\"sql-server-%e5%8f%b3%e5%a1%ab%e5%85%85%ef%bc%9a%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e8%87%aa%e5%8b%95%e8%a3%9c%e9%bd%8a-fOaBHLyYHk\">SQL Server \u53f3\u586b\u5145\uff1a\u8f15\u9b06\u5be6\u73fe\u5b57\u7b26\u4e32\u7684\u81ea\u52d5\u88dc\u9f4a<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u4e32\u7684\u8655\u7406\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u5c24\u5176\u662f\u5728\u4f7f\u7528 SQL Server \u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u586b\u5145\u5b57\u7b26\u4e32\u4ee5\u7b26\u5408\u7279\u5b9a\u7684\u683c\u5f0f\u6216\u9577\u5ea6\uff0c\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u9700\u8981\u89e3\u6c7a\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e SQL Server \u4e2d\u7684\u53f3\u586b\u5145\uff08RIGHT PAD\uff09\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\uff0c\u5e6b\u52a9\u8b80\u8005\u8f15\u9b06\u5be6\u73fe\u5b57\u7b26\u4e32\u7684\u81ea\u52d5\u88dc\u9f4a\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8f%b3%e5%a1%ab%e5%85%85%ef%bc%9f-fOaBHLyYHk\">\u4ec0\u9ebc\u662f\u53f3\u586b\u5145\uff1f<\/h2>\n<p>\u53f3\u586b\u5145\u662f\u6307\u5728\u5b57\u7b26\u4e32\u7684\u53f3\u5074\u6dfb\u52a0\u7279\u5b9a\u5b57\u7b26\uff0c\u4ee5\u4f7f\u5b57\u7b26\u4e32\u9054\u5230\u6240\u9700\u7684\u9577\u5ea6\u3002\u9019\u5728\u8655\u7406\u5831\u8868\u3001\u6578\u64da\u5c0e\u51fa\u6216\u683c\u5f0f\u5316\u8f38\u51fa\u6642\u7279\u5225\u6709\u7528\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u5c07\u6240\u6709\u5b57\u7b26\u4e32\u586b\u5145\u5230\u76f8\u540c\u7684\u9577\u5ea6\u6642\uff0c\u53f3\u586b\u5145\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"sql-server-%e4%b8%ad%e7%9a%84%e5%8f%b3%e5%a1%ab%e5%85%85%e5%87%bd%e6%95%b8-fOaBHLyYHk\">SQL Server \u4e2d\u7684\u53f3\u586b\u5145\u51fd\u6578<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u5be6\u73fe\u53f3\u586b\u5145\u7684\u4e3b\u8981\u51fd\u6578\u662f <code>RIGHT<\/code> \u548c <code>REPLICATE<\/code>\u3002\u9019\u4e9b\u51fd\u6578\u53ef\u4ee5\u7d50\u5408\u4f7f\u7528\u4f86\u9054\u5230\u6240\u9700\u7684\u6548\u679c\u3002<\/p>\n<h3>\u4f7f\u7528 <code>REPLICATE<\/code> \u51fd\u6578\u9032\u884c\u53f3\u586b\u5145<\/h3>\n<p><code>REPLICATE<\/code> \u51fd\u6578\u7528\u65bc\u91cd\u8907\u6307\u5b9a\u7684\u5b57\u7b26\u591a\u6b21\u3002\u7d50\u5408 <code>LEN<\/code> \u51fd\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u8a08\u7b97\u51fa\u9700\u8981\u586b\u5145\u7684\u5b57\u7b26\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE @inputString NVARCHAR(50) = 'Hello'\nDECLARE @desiredLength INT = 10\nDECLARE @paddedString NVARCHAR(50)\n\nSET @paddedString = @inputString + REPLICATE(' ', @desiredLength - LEN(@inputString))\n\nSELECT @paddedString AS PaddedString\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u5b57\u7b26\u4e32 &#8216;Hello&#8217; \u53f3\u586b\u5145\u5230 10 \u500b\u5b57\u7b26\u7684\u9577\u5ea6\uff0c\u586b\u5145\u5b57\u7b26\u70ba\u7a7a\u683c\u3002\u7d50\u679c\u5c07\u662f &#8216;Hello     &#8216;\u3002<\/p>\n<h3>\u4f7f\u7528 <code>FORMAT<\/code> \u51fd\u6578\u9032\u884c\u683c\u5f0f\u5316<\/h3>\n<p>\u5728 SQL Server 2012 \u53ca\u4ee5\u5f8c\u7684\u7248\u672c\u4e2d\uff0c<code>FORMAT<\/code> \u51fd\u6578\u4e5f\u53ef\u4ee5\u7528\u4f86\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3002\u96d6\u7136\u5b83\u4e3b\u8981\u7528\u65bc\u6578\u5b57\u548c\u65e5\u671f\u7684\u683c\u5f0f\u5316\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4f86\u8655\u7406\u5b57\u7b26\u4e32\u7684\u586b\u5145\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE @inputString NVARCHAR(50) = 'Hello'\nDECLARE @desiredLength INT = 10\n\nSELECT FORMAT(@inputString, 'D' + CAST(@desiredLength AS NVARCHAR(10))) AS PaddedString\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5b57\u7b26\u4e32 &#8216;Hello&#8217; \u53f3\u586b\u5145\u5230 10 \u500b\u5b57\u7b26\u7684\u9577\u5ea6\uff0c\u4e26\u8fd4\u56de\u683c\u5f0f\u5316\u5f8c\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e5%8f%b3%e5%a1%ab%e5%85%85%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-fOaBHLyYHk\">\u53f3\u586b\u5145\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<ul>\n<li><strong>\u5831\u8868\u751f\u6210\uff1a<\/strong>\u5728\u751f\u6210\u5831\u8868\u6642\uff0c\u78ba\u4fdd\u6240\u6709\u5b57\u6bb5\u7684\u9577\u5ea6\u4e00\u81f4\u53ef\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u5c0e\u51fa\uff1a<\/strong>\u5728\u5c07\u6578\u64da\u5c0e\u51fa\u5230\u5176\u4ed6\u7cfb\u7d71\u6642\uff0c\u53ef\u80fd\u9700\u8981\u7279\u5b9a\u7684\u683c\u5f0f\u8981\u6c42\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5728\u6578\u64da\u6e05\u7406\u904e\u7a0b\u4e2d\uff0c\u53f3\u586b\u5145\u53ef\u4ee5\u5e6b\u52a9\u6a19\u6e96\u5316\u5b57\u7b26\u4e32\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fOaBHLyYHk\">\u7e3d\u7d50<\/h2>\n<p>\u53f3\u586b\u5145\u662f\u4e00\u500b\u5728 SQL Server \u4e2d\u975e\u5e38\u5be6\u7528\u7684\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5be6\u73fe\u5b57\u7b26\u4e32\u7684\u81ea\u52d5\u88dc\u9f4a\u3002\u901a\u904e\u4f7f\u7528 <code>REPLICATE<\/code> \u548c <code>FORMAT<\/code> \u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9748\u6d3b\u5730\u8655\u7406\u5b57\u7b26\u4e32\u3002\u7121\u8ad6\u662f\u5728\u5831\u8868\u751f\u6210\u3001\u6578\u64da\u5c0e\u51fa\u9084\u662f\u6578\u64da\u6e05\u7406\u4e2d\uff0c\u53f3\u586b\u5145\u90fd\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8b80\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 SQL Server \u53f3\u586b\u5145\u6280\u8853\uff0c\u8f15\u9b06\u5be6\u73fe\u5b57\u7b26\u4e32\u81ea\u52d5\u88dc\u9f4a\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-140914","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=140914"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140914\/revisions"}],"predecessor-version":[{"id":140915,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140914\/revisions\/140915"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}