{"id":25586,"date":"2024-11-24T15:35:34","date_gmt":"2024-11-24T07:35:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/25586\/"},"modified":"2024-11-24T15:35:34","modified_gmt":"2024-11-24T07:35:34","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-mysql-%e6%ad%a3%e5%88%99%e8%a1%a8%e8%be%be%e5%bc%8f%e7%b2%be%e7%a1%ae%e5%8c%b9%e9%85%8d%e5%90%ab%e6%9c%89%e6%97%a5%e6%96%87%e5%81%87%e5%90%8d%e7%9a%84%e5%ad%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/25586\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 MySQL \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u786e\u5339\u914d\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173063612693707.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528 MySQL \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u786e\u5339\u914d\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528 MySQL \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u786e\u5339\u914d\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528  \u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5<\/strong><\/p>\n<p>\u5bf9\u4e8e\u67e5\u8be2\u542b\u6709\u65e5\u6587\u5e73\u5047\u540d\u548c\u7247\u5047\u540d\u7684\u5b57\u6bb5\uff0c\u5e38\u89c4\u7684 regexp \u5339\u914d\u53ef\u80fd\u4e0d\u7406\u60f3\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u51c6\u786e\u67e5\u8be2\uff1a<\/p>\n<p>`<\/p>\n<pre>&lt;br&gt;create definer=wq19bar@% function jp_char_inside(s text) returns int(11)&lt;br&gt;begin&lt;\/p&gt;&lt;pre class=\"brush:php;toolbar:false\"&gt;declare h text;\ndeclare p integer;\ndeclare l integer;\ndeclare head text;\ndeclare utf_8 text;\nset h = hex(s);\nset p = 1;\nset l = length(h);\nwhile p &lt;= l do\n    set head = substr(h, p, 1);\n    if head &lt; '8' then\n        set p = p + 2;\n    else\n        set utf_8 = substr(h, p, 6);\n        if (utf_8 &gt;= 'E38181' and utf_8 &lt;= 'E3829E') then\n            return 1;\n        end if;\n        if (utf_8 &gt;= 'E382A1' and utf_8 &lt;= 'E383BE') then\n            return 1;\n        end if;\n        set p = p + 6;\n    end if;\nend while;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>return 0;<br \/>end<br \/>`<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 MySQL \u6b63\u5219\u8868\u8fbe\u5f0f\u7cbe\u786e\u5339\u914d\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5\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":"<p>\u4f7f\u7528 \u6b63\u5219\u8868\u8fbe\u5f0f\u67e5\u8be2\u542b\u6709\u65e5\u6587\u5047\u540d\u7684\u5b57\u6bb5 \u5bf9\u4e8e\u67e5\u8be2\u542b\u6709\u65e5\u6587\u5e73\u5047\u540d\u548c\u7247\u5047\u540d\u7684\u5b57\u6bb5\uff0c\u5e38\u89c4\u7684 regexp \u5339\u914d\u53ef\u80fd\u4e0d\u7406\u60f3\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u8fdb\u884c\u51c6\u786e\u67e5\u8be2\uff1a ` &lt;br&gt;create definer=wq19bar@% function jp_char_inside(s text) returns int(11)&lt;br&gt;begin&lt;\/p&gt;&lt;pre class=&#8221;brush:php;toolbar:false&#8221;&gt;declare h text; declare p integer; declare l integer; declare head text; declare utf_8 text; set h = hex(s); set p = 1; set l = length(h); while p &lt;= l do set head = substr(h, p, 1); if head &lt; &#8216;8&#8217; [&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-25586","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25586","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=25586"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/25586\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=25586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=25586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=25586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}