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                [Xunsearch PHP-SDK](http://www.xunsearch.com) v1.4.8 API 參考文檔 # XSDatabase [All Packages](#)| [方法(函數)](#) | 包 | [XS.util.db](#) | |-----|-----| | 繼承關系 | abstract class XSDatabase | | 子類 | [XSDatabaseMySQL](#), [XSDatabaseMySQLI](#), [XSDatabasePDO](#), [XSDatabasePgSQL](#), [XSDatabaseSQLite](#), [XSDatabaseSQLite3](#) | | 版本 | 1.0.0 | | 源代碼 | [sdk/php/util/XSDataSource.class.php](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php) | 數據庫操作基類定義了 SQL 數據庫源的四個基本操作: connect/query/close/setUtf8 ### Public 方法 [隱去繼承來的方法](#) | 名稱 | 描述 | 定義于 | |-----|-----|-----| | [close()](#) | 關閉數據庫連接 | XSDatabase | | [connect()](#) | 連接數據庫 | XSDatabase | | [query()](#) | 查詢 SQL 語句 | XSDatabase | | [query1()](#) | 查詢數據庫首行 | XSDatabase | | [setUtf8()](#) | 設置數據庫字符集為 UTF-8 | XSDatabase | ### 方法明細 close()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">abstract public void <b>close</b>()</div></td></tr></table> **源碼:**[sdk/php/util/XSDataSource.class.php#L433](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php#L433) (**[顯示](#)**) `abstract?public?function?close();` 關閉數據庫連接 connect()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">abstract public void <b>connect</b>(array $param)</div></td></tr><tr><td class="paramNameCol">$param</td> <td class="paramTypeCol">array</td> <td class="paramDescCol">連接參數, 采用 parse_url 解析, 可能包含: scheme,user,pass,host,path,table,dbname ...</td></tr></table> **源碼:**[sdk/php/util/XSDataSource.class.php#L428](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php#L428) (**[顯示](#)**) `abstract?public?function?connect($param);` 連接數據庫 query()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">abstract public mixed <b>query</b>($sql)</div></td></tr><tr><td class="paramNameCol">$sql</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">mixed</td> <td class="paramDescCol">非 SELECT 語句返回執行結果(true/false), SELECT 語句返回所有結果行的數組</td></tr></table> **源碼:**[sdk/php/util/XSDataSource.class.php#L439](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php#L439) (**[顯示](#)**) `abstract?public?function?query($sql);` 查詢 SQL 語句 query1()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public 查詢結果首行, <b>query1</b>(string $sql)</div></td></tr><tr><td class="paramNameCol">$sql</td> <td class="paramTypeCol">string</td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">查詢結果首行,</td> <td class="paramDescCol">失敗或無數據則返回 false</td></tr></table> **源碼:**[sdk/php/util/XSDataSource.class.php#L455](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php#L455) (**[顯示](#)**) `public?function?query1($sql) { ????$sql?=?preg_replace('/?limit\s+(\d+)(?:\s*,\s*(\d+)|\s+offset\s+(\d+))?\s*$/i',?'',?$sql); ????$sql?.=?'?LIMIT?1'; ????$res?=?$this->query($sql); ????return?(is_array($res)?&&?isset($res[0]))???$res[0]?:?false; }` 查詢數據庫首行 setUtf8()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public bool <b>setUtf8</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">如果數據庫能直接輸出 UTF-8 編碼則返回 true 否則返回 false</td></tr></table> **源碼:**[sdk/php/util/XSDataSource.class.php#L445](https://github.com/hightman/xunsearch/blob/master/sdk/php/util/XSDataSource.class.php#L445) (**[顯示](#)**) `public?function?setUtf8() { ????return?false; }` 設置數據庫字符集為 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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