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                [Xunsearch PHP-SDK](http://www.xunsearch.com) v1.4.8 API 參考文檔 # XSUtil [All Packages](#)| [方法(函數)](#) | 包 | [XS.util](#) | |-----|-----| | 繼承關系 | class XSUtil | | 版本 | 1.0.0 | | 源代碼 | [sdk/php/util/XSUtil.class.php](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php) | XSUtil 工具程序通用代碼 ### Public 方法 [隱去繼承來的方法](#) | 名稱 | 描述 | 定義于 | |-----|-----|-----| | [convertIn()](#) | 把用戶輸入的字符串轉換為 UTF-8 編碼 | XSUtil | | [convertOut()](#) | 把 UTF-8 字符串轉換為用戶編碼 | XSUtil | | [copyDir()](#) | 拷貝一個目錄及其子目錄文件 | XSUtil | | [fixWidth()](#) | 修正字符串至固定寬度 | XSUtil | | [flush()](#) | 刷新標準輸出緩沖區 | XSUtil | | [getOpt()](#) | 取得命令行參數 | XSUtil | | [parseOpt()](#) | 解析命令行參數 | XSUtil | | [setCharset()](#) | 設置輸出、輸入編碼 | XSUtil | ### 方法明細 convertIn()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static string <b>convertIn</b>(string $buf)</div></td></tr><tr><td class="paramNameCol">$buf</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">要轉換字符串</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">轉換后的字符串</td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L77](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L77) (**[顯示](#)**) `public?static?function?convertIn($buf) { ????if?(self::$charset?!==?null)?{ ????????return?XS::convert($buf,?'UTF-8',?self::$charset); ????} ????return?$buf; }` 把用戶輸入的字符串轉換為 UTF-8 編碼 convertOut()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static string <b>convertOut</b>(string $buf)</div></td></tr><tr><td class="paramNameCol">$buf</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">要轉換字符串</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">轉換后的字符串</td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L64](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L64) (**[顯示](#)**) `public?static?function?convertOut($buf) { ????if?(self::$charset?!==?null)?{ ????????return?XS::convert($buf,?self::$charset,?'UTF-8'); ????} ????return?$buf; }` 把 UTF-8 字符串轉換為用戶編碼 copyDir()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static void <b>copyDir</b>($src, $dst)</div></td></tr><tr><td class="paramNameCol">$src</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">$dst</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L176](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L176) (**[顯示](#)**) `public?static?function?copyDir($src,?$dst) { ????if?(!($dir?=?@dir($src))?||?(!is_dir($dst)?&&?!@mkdir($dst,?0755,?true)))?{ ????????return?false; ????} ????while?(($entry?=?$dir->read())?!==?false)?{ ????????if?($entry?===?'.'?||?$entry?===?'..')?{ ????????????continue; ????????} ????????$psrc?=?$src?.?DIRECTORY_SEPARATOR?.?$entry; ????????$pdst?=?$dst?.?DIRECTORY_SEPARATOR?.?$entry; ????????if?(is_dir($pdst))?{ ????????????self::copyDir($psrc,?$pdst); ????????}?else?{ ????????????@copy($psrc,?$pdst); ????????} ????} ????$dir->close(); ????return?true; }` 拷貝一個目錄及其子目錄文件 fixWidth()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static type <b>fixWidth</b>(string $text, int $size, string $pad=' ')</div></td></tr><tr><td class="paramNameCol">$text</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">要修正的字符串</td></tr><tr><td class="paramNameCol">$size</td> <td class="paramTypeCol">int</td> <td class="paramDescCol">修正的目標寬度</td></tr><tr><td class="paramNameCol">$pad</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">用于填充補足的字符</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">type</td> <td class="paramDescCol"></td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L32](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L32) (**[顯示](#)**) `public?static?function?fixWidth($text,?$size,?$pad?=?'?') { ????for?($i?=?$j?=?0;?$i?<?strlen($text)?&&?$j?<?$size;?$i++,?$j++)?{ ????????if?((ord($text[$i])?&?0xe0)?===?0xe0)?{ ????????????if?(($size?-?$j)?==?1)?{ ????????????????break; ????????????} ????????????$j++; ????????????$i?+=?2; ????????} ????} ????return?substr($text,?0,?$i)?.?str_repeat($pad,?$size?-?$j); }` 修正字符串至固定寬度其中一個全角符號、漢字的寬度為半角字符的 2 倍。 flush()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static void <b>flush</b>()</div></td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L165](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L165) (**[顯示](#)**) `public?static?function?flush() { ????flush(); ????if?(ob_get_level()?>?0)?{ ????????ob_flush(); ????} }` 刷新標準輸出緩沖區 getOpt()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static string <b>getOpt</b>(string $short, string $long=NULL, bool $extra=false)</div></td></tr><tr><td class="paramNameCol">$short</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">短參數名</td></tr><tr><td class="paramNameCol">$long</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">長參數名</td></tr><tr><td class="paramNameCol">$extra</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">是否補用默認順序的參數</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">返回可用的參數值,若不存在則返回 null</td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L143](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L143) (**[顯示](#)**) `public?static?function?getOpt($short,?$long?=?null,?$extra?=?false) { ????if?(self::$options?===?null)?{ ????????self::parseOpt(); ????} ????$value?=?null; ????$options?=?self::$options; ????if?($long?!==?null?&&?isset($options[$long]))?{ ????????$value?=?$options[$long]; ????}?elseif?($short?!==?null?&&?isset($options[$short]))?{ ????????$value?=?$options[$short]; ????}?elseif?($extra?===?true?&&?isset($options['-'][self::$optind]))?{ ????????$value?=?$options['-'][self::$optind]; ????????self::$optind++; ????} ????return?$value; }` 取得命令行參數要求事先調用 parseOpt, 否則會自動以默認參數調用它。 #### 參見 - [parseOpt](#) parseOpt()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static array <b>parseOpt</b>(array $valued=array ())</div></td></tr><tr><td class="paramNameCol">$valued</td> <td class="paramTypeCol">array</td> <td class="paramDescCol">需要附加值的參數列表</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">array</td> <td class="paramDescCol">解析完的參數數組,未指定 - 開頭的選項統一放入 '-' 的子數組</td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L90](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L90) (**[顯示](#)**) `public?static?function?parseOpt($valued?=?array()) { ????$result?=?array('-'?=>?array()); ????$params?=?isset($_SERVER['argv'])???$_SERVER['argv']?:?array(); ????for?($i?=?0;?$i?<?count($params);?$i++)?{ ????????if?($params[$i]?===?'--')?{ ????????????for?($i?=?$i?+?1;?$i?<?count($params);?$i++)?{ ????????????????$result['-'][]?=?$params[$i]; ????????????} ????????????break; ????????}?elseif?($params[$i][0]?===?'-')?{ ????????????$value?=?true; ????????????$pname?=?substr($params[$i],?1); ????????????if?($pname[0]?===?'-')?{ ????????????????$pname?=?substr($pname,?1); ????????????????if?(($pos?=?strpos($pname,?'='))?!==?false)?{ ????????????????????$value?=?substr($pname,?$pos?+?1); ????????????????????$pname?=?substr($pname,?0,?$pos); ????????????????} ????????????}?elseif?(strlen($pname)?>?1)?{ ????????????????for?($j?=?1;?$j?<?strlen($params[$i]);?$j++)?{ ????????????????????$pname?=?substr($params[$i],?$j,?1); ????????????????????if?(in_array($pname,?$valued))?{ ????????????????????????$value?=?substr($params[$i],?$j?+?1); ????????????????????????break; ????????????????????}?elseif?(($j?+?1)?!=?strlen($params[$i]))?{ ????????????????????????$result[$pname]?=?true; ????????????????????} ????????????????} ????????????} ????????????if?($value?===?true?&&?in_array($pname,?$valued)?&&?isset($params[$i?+?1]))?{ ????????????????$value?=?$params[$i?+?1]; ????????????????$i++; ????????????} ????????????$result[$pname]?=?$value; ????????}?else?{ ????????????$result['-'][]?=?$params[$i]; ????????} ????} ????self::$options?=?$result; ????self::$optind?=?1; ????return?$result; }` 解析命令行參數 setCharset()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public static void <b>setCharset</b>(string $charset)</div></td></tr><tr><td class="paramNameCol">$charset</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">期望得到的字符集</td></tr></table> **源碼:**[sdk/php/util/XSUtil.class.php#L51](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSUtil.class.php#L51) (**[顯示](#)**) `public?static?function?setCharset($charset) { ????if?($charset?!==?null?&&?strcasecmp($charset,?'utf8')?&&?strcasecmp($charset,?'utf-8'))?{ ????????self::$charset?=?$charset; ????????ob_start(array(__CLASS__,?'convertOut')); ????} }` 設置輸出、輸入編碼默認輸出的中文編碼均為 UTF-8 Copyright ? 2008-2011 by [杭州云圣網絡科技有限公司](http://www.xunsearch.com) All Rights Reserved.
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