{"id":26601,"date":"2024-11-24T14:02:01","date_gmt":"2024-11-24T06:02:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26601\/"},"modified":"2024-11-24T14:02:01","modified_gmt":"2024-11-24T06:02:01","slug":"mysql-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86-upper-%e5%87%bd%e6%95%b0%e4%b8%8e%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5%ef%bc%8c%e4%bd%bf%e5%85%b6%e5%9c%a8-xml-%e6%96%87%e4%bb%b6%e4%b8%ad%e6%ad%a3-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26601\/","title":{"rendered":"MySQL \u4e2d\u5982\u4f55\u5c06 UPPER \u51fd\u6570\u4e0e\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u4f7f\u5176\u5728 XML \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\uff1f"},"content":{"rendered":"

\"MySQL<\/p>\n

\u4e2d\u4f7f\u7528 upper \u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32<\/strong><\/p>\n

\u5728 mysql \u4e2d\uff0cupper \u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u3002\u4f46\u662f\uff0c\u5f53\u9700\u8981\u5728\u503c\u4e4b\u540e\u62fc\u63a5\u4e00\u4e2a\u767e\u5206\u53f7\u65f6\uff0c\u4ec5\u4f7f\u7528 upper \u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n

\u95ee\u9898<\/strong><\/p>\n

\u5982\u4f55\u5c06 upper \u51fd\u6570\u4e0e\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u4f7f\u5176\u5728 xml \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\u5e76\u80fd\u591f\u8fd4\u56de\u7ed3\u679c\uff1f<\/p>\n

\u56de\u7b54<\/strong><\/p>\n

\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 concat \u51fd\u6570\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002concat \u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n

\u5728 xml \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\u6765\u62fc\u63a5 upper \u51fd\u6570\u548c\u5b57\u7b26\u4e32\uff1a<\/p>\n

upper(CONCAT(#{str1}, '%'))<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b64\u67e5\u8be2\u5c06\u5728 #{str1} \u503c\u540e\u9762\u62fc\u63a5\u4e00\u4e2a\u767e\u5206\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5927\u5199\u3002\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u5728 xml \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\u5e76\u5728\u67e5\u8be2\u8fd4\u56de\u7ed3\u679c\u4e2d\u5305\u542b\u62fc\u63a5\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\u9664\u4e86 xml \u6587\u4ef6\u4e4b\u5916\uff0c\u4f7f\u7528 concat \u51fd\u6570\u7684\u5199\u6cd5\u4e5f\u53ef\u4ee5\u5728\u4ee3\u7801\u5c42\u9762\u8c03\u7528\u4f20\u53c2\u65f6\u751f\u6548\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u5982\u4f55\u5c06 UPPER \u51fd\u6570\u4e0e\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u4f7f\u5176\u5728 XML \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\uff1f\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":"
\u4e2d\u4f7f\u7528 upper \u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32 \u5728 mysql \u4e2d\uff0cupper \u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u3002\u4f46\u662f\uff0c\u5f53\u9700\u8981\u5728\u503c\u4e4b\u540e\u62fc\u63a5\u4e00\u4e2a\u767e\u5206\u53f7\u65f6\uff0c\u4ec5\u4f7f\u7528 upper \u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002 \u95ee\u9898 \u5982\u4f55\u5c06 upper \u51fd\u6570\u4e0e\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u4f7f\u5176\u5728 xml \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\u5e76\u80fd\u591f\u8fd4\u56de\u7ed3\u679c\uff1f \u56de\u7b54 \u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 concat \u51fd\u6570\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002concat \u51fd\u6570\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u3002 \u5728 xml \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\u6765\u62fc\u63a5 upper \u51fd\u6570\u548c\u5b57\u7b26\u4e32\uff1a upper(CONCAT(#{str1}, ‘%’)) \u767b\u5f55\u540e\u590d\u5236 \u6b64\u67e5\u8be2\u5c06\u5728 #{str1} \u503c\u540e\u9762\u62fc\u63a5\u4e00\u4e2a\u767e\u5206\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5927\u5199\u3002\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u5728 xml \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\u5e76\u5728\u67e5\u8be2\u8fd4\u56de\u7ed3\u679c\u4e2d\u5305\u542b\u62fc\u63a5\u7684\u5b57\u7b26\u4e32\u3002 \u9664\u4e86 xml \u6587\u4ef6\u4e4b\u5916\uff0c\u4f7f\u7528 concat \u51fd\u6570\u7684\u5199\u6cd5\u4e5f\u53ef\u4ee5\u5728\u4ee3\u7801\u5c42\u9762\u8c03\u7528\u4f20\u53c2\u65f6\u751f\u6548\u3002 \u4ee5\u4e0a\u5c31\u662fMySQL \u4e2d\u5982\u4f55\u5c06 UPPER \u51fd\u6570\u4e0e\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u4f7f\u5176\u5728 XML \u6587\u4ef6\u4e2d\u6b63\u786e\u8fd0\u884c\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-26601","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26601","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=26601"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26601\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}