{"id":5456,"date":"2024-11-14T12:03:31","date_gmt":"2024-11-14T04:03:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5456\/"},"modified":"2024-11-14T12:03:31","modified_gmt":"2024-11-14T04:03:31","slug":"mysql%e8%bd%ac%e4%b9%89%e5%ad%97%e7%ac%a6%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5456\/","title":{"rendered":"mysql\u8f6c\u4e49\u5b57\u7b26\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"<p><strong> \u8f6c\u4e49\u5b57\u7b26\u7684\u7528\u6cd5<\/strong><\/p>\n<p><strong>\u4ec0\u4e48\u662f\u8f6c\u4e49\u5b57\u7b26\uff1f<\/strong><\/p>\n<p>\u8f6c\u4e49\u5b57\u7b26\u662f\u4e00\u79cd\u7279\u6b8a\u5b57\u7b26\uff0c\u7528\u4e8e\u8868\u793a\u67d0\u4e9b\u5728 SQL \u8bed\u53e5\u4e2d\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u5b57\u7b26\u3002\u5f53\u9700\u8981\u5728 SQL \u8bed\u53e5\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u7279\u6b8a\u5b57\u7b26\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\u53d6\u6d88\u5b83\u4eec\u7684\u7279\u6b8a\u542b\u4e49\u3002<\/p>\n<p><strong>\u5e38\u89c1\u7684\u8f6c\u4e49\u5b57\u7b26<\/strong><\/p>\n<p>MySQL \u4e2d\u5e38\u89c1\u7684\u8f6c\u4e49\u5b57\u7b26\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8f6c\u4e49\u5b57\u7b26<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><\/td>\n<td>\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26<\/td>\n<\/tr>\n<tr>\n<td>&#8216;<\/td>\n<td>\u8f6c\u4e49\u5355\u5f15\u53f7<\/td>\n<\/tr>\n<tr>\n<td>&#8220;<\/td>\n<td>\u8f6c\u4e49\u53cc\u5f15\u53f7<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u8f6c\u4e49\u7a7a\u5b57\u7b26<\/td>\n<\/tr>\n<tr>\n<td> <\/td>\n<td>\u8f6c\u4e49\u6362\u884c\u7b26<\/td>\n<\/tr>\n<tr>\n<td> <\/td>\n<td>\u8f6c\u4e49\u56de\u8f66\u7b26<\/td>\n<\/tr>\n<tr>\n<td> <\/td>\n<td>\u8f6c\u4e49\u5236\u8868\u7b26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u8f6c\u4e49\u5b57\u7b26\u7684\u7528\u6cd5<\/strong><\/p>\n<p>\u8981\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\uff0c\u53ea\u9700\u5728\u8be5\u5b57\u7b26\u524d\u52a0\u4e0a\u53cd\u659c\u6760 () \u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>SELECT 'This is a quote: \"' FROM my_table;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre>This is a quote: \"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5982\u679c\u672a\u8f6c\u4e49\u53cc\u5f15\u53f7\uff0cMySQL \u5c06\u4f1a\u5c06\u5176\u89e3\u91ca\u4e3a\u5b57\u7b26\u4e32\u5206\u9694\u7b26\uff0c\u5e76\u5bfc\u81f4\u67e5\u8be2\u51fa\u9519\u3002<\/p>\n<p><strong>\u5176\u4ed6\u7528\u6cd5<\/strong><\/p>\n<p>\u9664\u4e86\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\uff1a<\/p>\n<ul>\n<li>\u8fde\u63a5\u591a\u884c\u5b57\u7b26\u4e32\uff1a\u7528 \u6765\u8fde\u63a5\u591a\u884c\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u907f\u514d\u4f7f\u7528 CONCAT() \u51fd\u6570\u3002<\/li>\n<li>\u6307\u5b9a\u8f6c\u4e49\u5e8f\u5217\uff1a\u4f8b\u5982\uff0c \u8868\u793a\u6362\u884c\u7b26\u3002<\/li>\n<li>\u8868\u793a\u5341\u516d\u8fdb\u5236\u6216\u516b\u8fdb\u5236\u503c\uff1a\u4f8b\u5982\uff0c? \u8868\u793a\u5341\u516d\u8fdb\u5236\u503c 3F\uff0c \u8868\u793a\u516b\u8fdb\u5236\u503c 177\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>\u5728\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u65f6\uff0c\u5e94\u6ce8\u610f\u8f6c\u4e49\u5b57\u7b26\u7684\u4f5c\u7528\u8303\u56f4\u3002\u8f6c\u4e49\u5b57\u7b26\u4ec5\u5f71\u54cd\u5176\u540e\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u8f6c\u4e49\u8f6c\u4e49\u5b57\u7b26\u672c\u8eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u53cc\u91cd\u8f6c\u4e49\u5b57\u7b26\uff08\uff09\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u8f6c\u4e49\u5b57\u7b26\u600e\u4e48\u4f7f\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6c\u4e49\u5b57\u7b26\u7684\u7528\u6cd5 \u4ec0\u4e48\u662f\u8f6c\u4e49\u5b57\u7b26\uff1f \u8f6c\u4e49\u5b57\u7b26\u662f\u4e00\u79cd\u7279\u6b8a\u5b57\u7b26\uff0c\u7528\u4e8e\u8868\u793a\u67d0\u4e9b\u5728 SQL \u8bed\u53e5\u4e2d\u5177\u6709\u7279\u6b8a\u610f\u4e49\u7684\u5b57\u7b26\u3002\u5f53\u9700\u8981\u5728 SQL \u8bed\u53e5\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u7279\u6b8a\u5b57\u7b26\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\u53d6\u6d88\u5b83\u4eec\u7684\u7279\u6b8a\u542b\u4e49\u3002 \u5e38\u89c1\u7684\u8f6c\u4e49\u5b57\u7b26 MySQL \u4e2d\u5e38\u89c1\u7684\u8f6c\u4e49\u5b57\u7b26\u5305\u62ec\uff1a \u8f6c\u4e49\u5b57\u7b26 \u7528\u9014 \u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26 &#8216; \u8f6c\u4e49\u5355\u5f15\u53f7 &#8220; \u8f6c\u4e49\u53cc\u5f15\u53f7 \u8f6c\u4e49\u7a7a\u5b57\u7b26 \u8f6c\u4e49\u6362\u884c\u7b26 \u8f6c\u4e49\u56de\u8f66\u7b26 \u8f6c\u4e49\u5236\u8868\u7b26 \u8f6c\u4e49\u5b57\u7b26\u7684\u7528\u6cd5 \u8981\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\uff0c\u53ea\u9700\u5728\u8be5\u5b57\u7b26\u524d\u52a0\u4e0a\u53cd\u659c\u6760 () \u5373\u53ef\u3002\u4f8b\u5982\uff1a SELECT &#8216;This is a quote: &#8220;&#8216; FROM my_table; \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u7684\u67e5\u8be2\u5c06\u8fd4\u56de\u4ee5\u4e0b\u7ed3\u679c\uff1a This is a quote: &#8221; \u767b\u5f55\u540e\u590d\u5236 \u5982\u679c\u672a\u8f6c\u4e49\u53cc\u5f15\u53f7\uff0cMySQL \u5c06\u4f1a\u5c06\u5176\u89e3\u91ca\u4e3a\u5b57\u7b26\u4e32\u5206\u9694\u7b26\uff0c\u5e76\u5bfc\u81f4\u67e5\u8be2\u51fa\u9519\u3002 \u5176\u4ed6\u7528\u6cd5 \u9664\u4e86\u8f6c\u4e49\u7279\u6b8a\u5b57\u7b26\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8f6c\u4e49\u5b57\u7b26\u6765\uff1a \u8fde\u63a5\u591a\u884c\u5b57\u7b26\u4e32\uff1a\u7528 \u6765\u8fde\u63a5\u591a\u884c\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u907f\u514d\u4f7f\u7528 CONCAT() \u51fd\u6570\u3002 \u6307\u5b9a\u8f6c\u4e49\u5e8f\u5217\uff1a\u4f8b\u5982\uff0c \u8868\u793a\u6362\u884c\u7b26\u3002 \u8868\u793a\u5341\u516d\u8fdb\u5236\u6216\u516b\u8fdb\u5236\u503c\uff1a\u4f8b\u5982\uff0c? \u8868\u793a\u5341\u516d\u8fdb\u5236\u503c 3F\uff0c \u8868\u793a\u516b\u8fdb\u5236\u503c [&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-5456","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5456","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=5456"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5456\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}