{"id":30576,"date":"2024-11-25T08:46:28","date_gmt":"2024-11-25T00:46:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/30576\/"},"modified":"2024-11-25T08:46:28","modified_gmt":"2024-11-25T00:46:28","slug":"dedecms%e6%80%8e%e4%b9%88%e9%87%8d%e6%96%b0%e5%ae%9a%e4%b9%89cn_substr%e5%87%bd%e6%95%b0%e6%88%aa%e5%8f%96%e5%ad%97%e6%95%b0%e6%9b%b4%e5%87%86%e7%a1%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/30576\/","title":{"rendered":"dedecms\u600e\u4e48\u91cd\u65b0\u5b9a\u4e49cn_substr\u51fd\u6570\u622a\u53d6\u5b57\u6570\u66f4\u51c6\u786e"},"content":{"rendered":"<p style=\"text-align: center\"><strong><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/020\/5e02c13bca8c9607.jpg\" class=\"aligncenter\" title=\"dedecms\u600e\u4e48\u91cd\u65b0\u5b9a\u4e49cn_substr\u51fd\u6570\u622a\u53d6\u5b57\u6570\u66f4\u51c6\u786e\u63d2\u56fe\" alt=\"dedecms\u600e\u4e48\u91cd\u65b0\u5b9a\u4e49cn_substr\u51fd\u6570\u622a\u53d6\u5b57\u6570\u66f4\u51c6\u786e\u63d2\u56fe\" 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\u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e8c\u3001\u5168\u7ad9\u90fd\u4f7f\u7528cn_substr()\u51fd\u6570\uff0c\u4e0d\u7ba1\u4f60\u7a0b\u5e8f\u662fgbk\u8fd8\u662futf8\uff1b<\/p>\n<p>\u6bd4\u5982\u4f60\u8981\u8c03\u752810\u4e2a\u5b57\uff08\u62fc\u97f3\u6c49\u5b57\u6df7\u6742\uff09\uff1a[field:title function=&#8217;cn_substr(@me,20)&#8217;]\u5373\u53ef<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u91cd\u65b0\u5b9a\u4e49cn_substr\u51fd\u6570\u622a\u53d6\u5b57\u6570\u66f4\u51c6\u786e\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>\u600e\u4e48\u91cd\u65b0\u5b9a\u4e49cn_substr\u51fd\u6570\u622a\u53d6\u5b57\u6570\u66f4\u51c6\u786e\uff1f dedecms\u7684cn_substr()\u548ccn_substr_utf8()\u622a\u53d6\u7684\u5b57\u7b26\u4e32ms\u4e0d\u51c6\uff0c\u5e73\u65f6\u4e5f\u7528\u4e60\u60efcn_substr()\uff0c\u4e5f\u4e0d\u613f\u7528\u4ec0\u4e48cn_substr_utf8()\u4eca\u5929\u5f04\u4e86\u4e0b\uff0c\u73b0\u5728\u8fd8\u662f\u6bd4\u8f83\u51c6\u4e86\u3002\u6309\u7167\u4e00\u4e2a\u6c49\u5b572\u4e2a\u5b57\u8282\u8c03\u7528\u5c31\u884c\u4e86 \u63a8\u8350\u5b66\u4e60\uff1a &nbsp;&nbsp; \u65b9\u6cd5\u8bf4\u660e\uff1a \u4e00\u3001\u627e\u5230includehelpersstring.helper.php\u628a\u539f\u6765\u7ea633\u5230102\u884c\uff08\u4e5f\u5c31\u662f\u5b9a\u4e49cn_substr()\u51fd\u6570\u7684\u90a3\u6bb5\u4ee3\u7801\uff09\u66ff\u6362\u6389\uff0c\u4f60\u8981\u662f\u6015\u4e0d\u884c\uff0c\u53ef\u4ee5\u5148\u628a\u8fd9\u4e2a\u6587\u4ef6\u5907\u4efd\u4e0b\uff0c\u4eb2\uff1b \u4ee3\u7801\u5982\u4e0b: \/**&nbsp; *&nbsp;\u4e2d\u82f1\u6587\u622a\u53d6\u5b57\u7b26\u4e32\uff0c\u6c49\u5b57\u5b892\u4e2a\u5b57\u8282&nbsp; *&nbsp; *&nbsp;@access&nbsp;public&nbsp; *&nbsp;@param&nbsp;string&nbsp;$str&nbsp;\u9700\u8981\u622a\u53d6\u7684\u5b57\u7b26\u4e32&nbsp; *&nbsp;@param&nbsp;int&nbsp;$cutLen&nbsp;\u622a\u53d6\u7684\u957f\u5ea6&nbsp; *&nbsp;@param&nbsp;bool&nbsp;$cutSlashes&nbsp;\u662f\u5426\u53bb\u6389&nbsp; *&nbsp;@param&nbsp;bool&nbsp;$addSlashes&nbsp;\u662f\u52a0&nbsp; *&nbsp;@param&nbsp;string&nbsp;$oDot&nbsp;\u622a\u53d6\u540e\u52a0\u7684\u5b57\u7b26\u4e32\uff0c\u5982\u7ecf\u5e38\u7528\u7684\u4e09\u4e2a\u70b9&nbsp; *&nbsp;@param&nbsp;bool&nbsp;$hasHtml&nbsp;\u662f\u5426\u6709html&nbsp; *&nbsp;@return&nbsp;string&nbsp; *\/&nbsp; if&nbsp;(&nbsp;!&nbsp;function_exists(\u2018cn_substr\u2019)){&nbsp; function&nbsp;cn_substr($str,&nbsp;$cutLen,&nbsp;$oDot&nbsp;=&nbsp;null,&nbsp;$hasHtml&nbsp;=&nbsp;false,&nbsp;$cutSlashes&nbsp;=&nbsp;false,&nbsp;$addSlashes&nbsp;=&nbsp;false)&nbsp;{&nbsp; global&nbsp;$cfg_soft_lang;&nbsp; $str&nbsp;=&nbsp;trim&nbsp;(&nbsp;$str&nbsp;);&nbsp; if&nbsp;($cutSlashes)&nbsp;$str&nbsp;=&nbsp;stripslashes&nbsp;(&nbsp;$str&nbsp;);&nbsp; if($hasHtml){&nbsp; $str&nbsp;=&nbsp;preg_replace&nbsp;(&nbsp;\u201c\/(| | |s|[.+?])\/is\u201d,&nbsp;\u2018&nbsp;\u2018,&nbsp;$str&nbsp;);&nbsp; $str&nbsp;=&nbsp;htmlspecialchars&nbsp;(&nbsp;$str&nbsp;);&nbsp; }else{&nbsp; $str&nbsp;=&nbsp;htmlspecialchars&nbsp;(&nbsp;$str&nbsp;);&nbsp; }&nbsp; if&nbsp;($cutLen&nbsp;&amp;amp;&amp;amp;&nbsp;strlen&nbsp;(&nbsp;$str&nbsp;)&nbsp;&amp;gt;&nbsp;$cutLen)&nbsp;{&nbsp; $nStr&nbsp;=&nbsp;\u201d;&nbsp; if&nbsp;($cfg_soft_lang&nbsp;==&nbsp;\u2018utf-8\u2032)&nbsp;{&nbsp; $n&nbsp;=&nbsp;0;&nbsp; $tn&nbsp;=&nbsp;0;&nbsp; $noc&nbsp;=&nbsp;0;&nbsp; while&nbsp;(&nbsp;$n&nbsp;=&nbsp;$cutLen)break;&nbsp; }&nbsp; if&nbsp;($noc&nbsp;&amp;gt;&nbsp;$cutLen)&nbsp;$n&nbsp;-=&nbsp;$tn;&nbsp; $nStr&nbsp;=&nbsp;substr&nbsp;(&nbsp;$str,&nbsp;0,&nbsp;$n&nbsp;);&nbsp; }&nbsp;else&nbsp;{&nbsp; for($i&nbsp;=&nbsp;0;&nbsp;$i&nbsp;&nbsp;127)&nbsp;{&nbsp; $nStr&nbsp;.=&nbsp;$str&nbsp;[$i]&nbsp;.&nbsp;$str&nbsp;[$i&nbsp;+&nbsp;1];&nbsp; $i&nbsp;++;&nbsp; }&nbsp;else&nbsp;{&nbsp; $nStr&nbsp;.=&nbsp;$str&nbsp;[$i];&nbsp; }&nbsp; }&nbsp; }&nbsp; $str&nbsp;=&nbsp;$nStr&nbsp;.&nbsp;$oDot;&nbsp; }&nbsp; if&nbsp;($addSlashes)&nbsp;$str&nbsp;=&nbsp;addslashes&nbsp;(&nbsp;$str&nbsp;);&nbsp; $str&nbsp;=&nbsp;htmlspecialchars_decode&nbsp;(&nbsp;$str&nbsp;);&nbsp; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-30576","post","type-post","status-publish","format-standard","hentry","category-cms"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30576","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=30576"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/30576\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=30576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=30576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=30576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}