【前言】
? ? ? 需求:在前台显示不想输出全部字符输出20个字符左右
? ? ? 最好别直接使用substr,这个函数对中文支持不是很好。搜索一番后找到个不错的,这里记录下
将该文件直接放到应用级别公共函数库下Application\Common\Common\function.php,若没有该文件创建即可自动引入
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【主体】
class="php"><?php /** * @desc thinkphp自定义函数库... * */ // 1. msubstr字符串截取; // 2. 通过curl发送get请求----这两种请求及支持HTTP协议,也支持https协议 // 3. 通过curl发送post请求--- // 4. 去除空格 /** *字符串截取函数 *开启mbstring扩展 */ function msubstr($str, $start=0, $length, $charset="utf-8", $suffix=true){ if(mb_strlen($str,$charset)>$length) { if(function_exists("mb_substr")){ if($suffix) return mb_substr($str, $start, $length, $charset)."..."; else return mb_substr($str, $start, $length, $charset); }elseif(function_exists('iconv_substr')) { if($suffix) return iconv_substr($str,$start,$length,$charset)."..."; else return iconv_substr($str,$start,$length,$charset); } $re['utf-8'] = "/[x01-x7f]|[xc2-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xff][x80-xbf]{3}/"; $re['gb2312'] = "/[x01-x7f]|[xb0-xf7][xa0-xfe]/"; $re['gbk'] = "/[x01-x7f]|[x81-xfe][x40-xfe]/"; $re['big5'] = "/[x01-x7f]|[x81-xfe]([x40-x7e]|xa1-xfe])/"; preg_match_all($re[$charset], $str, $match); $slice = join("",array_slice($match[0], $start, $length)); if($suffix) return $slice."…"; return $slice; } else { return $str; } } /** * GET 请求 * 需要curl扩展支持 */ function http_get($url){ $oCurl = curl_init(); if(stripos($url,"https://")!==FALSE){ curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); } curl_setopt($oCurl, CURLOPT_URL, $url); curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 ); $sContent = curl_exec($oCurl); $aStatus = curl_getinfo($oCurl); curl_close($oCurl); if(intval($aStatus["http_code"])==200){ return $sContent; }else{ return false; } } /** * POST 请求 * 需要curl扩展支持 */ function http_post($url,$param,$post_file=false){ $oCurl = curl_init(); if(stripos($url,"https://") !== FALSE){ curl_setopt($oCurl,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($oCurl,CURLOPT_SSL_VERIFYHOST,false); curl_setopt($oCurl,CURLOPT_SSLVERSION,1); } if (is_string($param) || $post_file){ $strPOST = $param; } else { $aPOST = array(); foreach($param as $key => $val){ $aPOST[] = $key."=" . urlencode($val); } $strPOST = join("&",$aPOST); } curl_setopt($oCurl,CURLOPT_URL,$url); curl_setopt($oCurl,CURLOPT_RETURNTRANSFER,1); curl_setopt($oCurl,CURLOPT_POST,true); curl_setopt($oCurl,CURLOPT_POSTFIELDS,$strPOST); $sContent = curl_exec($oCurl); $aStatus = curl_getinfo($oCurl); curl_close($oCurl); if(intval($aStatus["http_code"]) == 200){ return $sContent; }else{ return false; } } /** * 空格换行符过滤 */ function trimAll($parma){ if(is_array($parma)){ return array_map('trimAll',$parma); } $before = array(" "," ","\t","\r","\n"); $after = array('','','','',''); return str_replace($before,$after,$parma); }
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