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                [Xunsearch PHP-SDK](http://www.xunsearch.com) v1.4.8 API 參考文檔 # XSIndex [All Packages](#)| [屬性](#)| [方法(函數)](#) | 包 | [XS](#) | |-----|-----| | 繼承關系 | class XSIndex ?[XSServer](#) ?[XSComponent](#) | | 版本 | 1.0.0 | | 源代碼 | [sdk/php/lib/XSIndex.class.php](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php) | XS 索引管理添加/刪除/修改索引數據 ### Public 屬性 [隱去繼承來的屬性](#) | 名稱 | 類型 | 描述 | 定義于 | |-----|-----|-----|-----| | [connString](#) | string | 連接字符串 | [XSServer](#) | | [customDict](#) | string | 獲取自定義詞典內容 | XSIndex | | [project](#) | string | 獲取當前項目名稱 | [XSServer](#) | | [respond](#) | [XSCommand](#) | 從服務器讀取響應指令 | [XSServer](#) | | [scwsMulti](#) | int | 獲取當前索引庫的分詞復合等級 | XSIndex | | [socket](#) | mixed | 獲取連接資源描述符 | [XSServer](#) | | [xs](#) | [XS](#) | 服務端關聯的 XS 對象 | [XSServer](#) | ### Protected 屬性 [隱去繼承來的屬性](#) | 名稱 | 類型 | 描述 | 定義于 | |-----|-----|-----|-----| | [_conn](#) | | | [XSServer](#) | | [_flag](#) | | | [XSServer](#) | | [_project](#) | | | [XSServer](#) | | [_sendBuffer](#) | | | [XSServer](#) | | [_sock](#) | | | [XSServer](#) | ### Public 方法 [隱去繼承來的方法](#) | 名稱 | 描述 | 定義于 | |-----|-----|-----| | [__construct()](#) | 構造函數, 打開連接 | [XSServer](#) | | [__destruct()](#) | 析構函數 | XSIndex | | [__get()](#) | 魔術方法 __get | [XSComponent](#) | | [__isset()](#) | 魔術方法 __isset | [XSComponent](#) | | [__set()](#) | 魔術方法 __set | [XSComponent](#) | | [__unset()](#) | 魔術方法 __unset | [XSComponent](#) | | [add()](#) | 添加文檔到索引中 | XSIndex | | [addExdata()](#) | 批量提交索引命令封包數據 | XSIndex | | [addServer()](#) | 增加一個同步索引服務器 | XSIndex | | [addSynonym()](#) | 添加同義詞 | XSIndex | | [beginRebuild()](#) | 開始重建索引 | XSIndex | | [clean()](#) | 完全清空索引數據 | XSIndex | | [close()](#) | 關閉索引服務端連接 | XSIndex | | [closeBuffer()](#) | 提交所有指令并關閉緩沖區 | XSIndex | | [del()](#) | 刪除索引中的數據 | XSIndex | | [delSynonym()](#) | 刪除某個同義詞 | XSIndex | | [endRebuild()](#) | 完成并關閉重建索引 | XSIndex | | [execCommand()](#) | 執行服務端指令并獲取返回值 | XSIndex | | [flushIndex()](#) | 強制刷新服務端的當前庫的索引緩存 | XSIndex | | [flushLogging()](#) | 強制刷新服務端當前項目的搜索日志 | XSIndex | | [getConnString()](#) | Returns 連接字符串 | [XSServer](#) | | [getCustomDict()](#) | 獲取自定義詞典內容 | XSIndex | | [getProject()](#) | 獲取當前項目名稱 | [XSServer](#) | | [getRespond()](#) | 從服務器讀取響應指令 | [XSServer](#) | | [getScwsMulti()](#) | 獲取當前索引庫的分詞復合等級 | XSIndex | | [getSocket()](#) | 獲取連接資源描述符 | [XSServer](#) | | [hasRespond()](#) | 判斷服務端是否有可讀數據 | [XSServer](#) | | [open()](#) | 打開服務端連接 | [XSServer](#) | | [openBuffer()](#) | 開啟索引命令提交緩沖區 | XSIndex | | [reopen()](#) | 重新打開連接 | [XSServer](#) | | [sendCommand()](#) | 往服務器直接發送指令 (無緩存) | [XSServer](#) | | [setCustomDict()](#) | 設置自定義詞典內容 | XSIndex | | [setDb()](#) | 更改存放索引數據的目錄 | XSIndex | | [setProject()](#) | 設置當前項目 | [XSServer](#) | | [setScwsMulti()](#) | 設置當前索引庫的分詞復合等級 | XSIndex | | [setTimeout()](#) | 設置服務端超時秒數 | [XSServer](#) | | [stopRebuild()](#) | 中止索引重建 | XSIndex | | [update()](#) | 更新索引文檔 | XSIndex | ### Protected 方法 [隱去繼承來的方法](#) | 名稱 | 描述 | 定義于 | |-----|-----|-----| | [check()](#) | 檢測服務端的連接情況 | [XSServer](#) | | [connect()](#) | 連接服務端 | [XSServer](#) | | [read()](#) | 讀取數據 | [XSServer](#) | | [write()](#) | 寫入數據 | [XSServer](#) | ### 屬性明細 customDict屬性 public string [**getCustomDict**](#)() public void [**setCustomDict**](#)(string $content) 獲取自定義詞典內容 scwsMulti屬性 (自版本 v1.4.7 起可用) public int [**getScwsMulti**](#)() public XSIndex [**setScwsMulti**](#)(int $level) 獲取當前索引庫的分詞復合等級 #### 參見 - [setScwsMulti](#) ### 方法明細 __destruct()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public void <b>__destruct</b>()</div></td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L528](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L528) (**[顯示](#)**) `public?function?__destruct() { ????if?($this->_rebuild?===?true)?{ ????????try?{ ????????????$this->endRebuild(); ????????}?catch?(Exception?$e)?{ ???????????? ????????} ????} ????foreach?(self::$_adds?as?$srv)?{ ????????$srv->close(); ????} ????self::$_adds?=?array(); ????parent::__destruct(); }` 析構函數在此自動關閉開啟的 rebuild add()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>add</b>(<a href="XSDocument.html">XSDocument</a> $doc)</div></td></tr><tr><td class="paramNameCol">$doc</td> <td class="paramTypeCol"><a href="XSDocument.html">XSDocument</a></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L72](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L72) (**[顯示](#)**) `public?function?add(XSDocument?$doc) { ????return?$this->update($doc,?true); }` 添加文檔到索引中特別要注意的是: 系統不會自動檢測主鍵是否沖突, 即便已存在相同主鍵也會添加進去 #### 參見 - [update](#) addExdata()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>addExdata</b>(string $data, bool $check_file=true)</div></td></tr><tr><td class="paramNameCol">$data</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">要提交的命令封包數據, 或存儲命令封包的文件路徑, 編碼必須已經是 UTF-8</td></tr><tr><td class="paramNameCol">$check_file</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">是否檢測參數為文件的情況</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L253](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L253) (**[顯示](#)**) `public?function?addExdata($data,?$check_file?=?true) { ????if?(strlen($data)?<?255?&&?$check_file ????????????&&?file_exists($data)?&&?($data?=?file_get_contents($data))?===?false)?{ ????????throw?new?XSException('Failed?to?read?exdata?from?file'); ????} ????//?try?to?check?allowed?(BUG:?check?the?first?cmd?only): ????//?CMD_IMPORT_HEADER,?CMD_INDEX_REQUEST,?CMD_INDEX_REMOVE,?CMD_INDEX_EXDATA ????$first?=?ord(substr($data,?0,?1)); ????if?($first?!=?CMD_IMPORT_HEADER ????????????&&?$first?!=?CMD_INDEX_REQUEST?&&?$first?!=?CMD_INDEX_SYNONYMS ????????????&&?$first?!=?CMD_INDEX_REMOVE?&&?$first?!=?CMD_INDEX_EXDATA)?{ ????????throw?new?XSException('Invalid?start?command?of?exdata?(CMD:'?.?$first?.?')'); ????} ????//?create?cmd?&?execute?it ????$cmd?=?array('cmd'?=>?CMD_INDEX_EXDATA,?'buf'?=>?$data); ????$this->execCommand($cmd,?CMD_OK_RQST_FINISHED); ????return?$this; }` 批量提交索引命令封包數據把多個命令封包內容連續保存為文件或變量, 然后一次性提交以減少網絡開銷提升性能 addServer()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public <a href="XSServer.html">XSServer</a> <b>addServer</b>(string $conn)</div></td></tr><tr><td class="paramNameCol">$conn</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">索引服務端連接參數</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol"><a href="XSServer.html">XSServer</a></td> <td class="paramDescCol"></td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L33](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L33) (**[顯示](#)**) `public?function?addServer($conn) { ????$srv?=?new?XSServer($conn,?$this->xs); ????self::$_adds[]?=?$srv; ????return?$srv; }` 增加一個同步索引服務器 addSynonym()方法(自版本 v1.3.0 起可用) <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>addSynonym</b>(string $raw, string $synonym)</div></td></tr><tr><td class="paramNameCol">$raw</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">需要同義的原詞, 英文詞匯支持用空格分開多個單詞并強制被轉換為小寫</td></tr><tr><td class="paramNameCol">$synonym</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">同義詞條, 最小語素, 勿帶空格等分隔符</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L283](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L283) (**[顯示](#)**) `public?function?addSynonym($raw,?$synonym) { ????$raw?=?strval($raw); ????$synonym?=?strval($synonym); ????if?($raw?!==?''?&&?$synonym?!==?'')?{ ????????$cmd?=?new?XSCommand(CMD_INDEX_SYNONYMS,?CMD_INDEX_SYNONYMS_ADD,?0,?$raw,?$synonym); ????????if?($this->_bufSize?>?0)?{ ????????????$this->appendBuffer(strval($cmd)); ????????}?else?{ ????????????$this->execCommand($cmd,?CMD_OK_RQST_FINISHED); ????????} ????} ????return?$this; }` 添加同義詞 beginRebuild()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>beginRebuild</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L391](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L391) (**[顯示](#)**) `public?function?beginRebuild() { ????$this->execCommand(array('cmd'?=>?CMD_INDEX_REBUILD,?'arg1'?=>?0),?CMD_OK_DB_REBUILD); ????$this->_rebuild?=?true; ????return?$this; }` 開始重建索引此后所有的索引更新指令將寫到臨時庫, 而不是當前搜索庫, 重建完成后調用[endRebuild](#) 實現平滑重建索引, 重建過程仍可搜索舊的索引庫,如直接用 [clean](#) 清空數據, 則會導致重建過程搜索到不全的數據 #### 參見 - [endRebuild](#) clean()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>clean</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L59](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L59) (**[顯示](#)**) `public?function?clean() { ????$this->execCommand(CMD_INDEX_CLEAN_DB,?CMD_OK_DB_CLEAN); ????return?$this; }` 完全清空索引數據如果當前數據庫處于重建過程中將禁止清空 #### 參見 - [beginRebuild](#) close()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public void <b>close</b>($ioerr=false)</div></td></tr><tr><td class="paramNameCol">$ioerr</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L504](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L504) (**[顯示](#)**) `public?function?close($ioerr?=?false) { ????$this->closeBuffer(); ????parent::close($ioerr); }` 關閉索引服務端連接 closeBuffer()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>closeBuffer</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L378](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L378) (**[顯示](#)**) `public?function?closeBuffer() { ????return?$this->openBuffer(0); }` 提交所有指令并關閉緩沖區若未曾打開緩沖區, 調用本方法是無意義的 #### 參見 - [openBuffer](#) del()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>del</b>(mixed $term, string $field=NULL)</div></td></tr><tr><td class="paramNameCol">$term</td> <td class="paramTypeCol">mixed</td> <td class="paramDescCol">單個主鍵或指定字段的索引詞, 或多個組成的數組, 編碼與 <a href="XSIndex.html#xs">xs</a> 默認字符集一致</td></tr><tr><td class="paramNameCol">$field</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">索引詞所屬的字段名稱, 默認不指定則為主鍵字段 (類型為ID)</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L220](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L220) (**[顯示](#)**) `public?function?del($term,?$field?=?null) { ????//?get?field ????$field?=?$field?===?null???$this->xs->getFieldId()?:?$this->xs->getField($field); ????//?get?commands ????$cmds?=?array(); ????$terms?=?is_array($term)???array_unique($term)?:?array($term); ????$terms?=?XS::convert($terms,?'UTF-8',?$this->xs->getDefaultCharset()); ????foreach?($terms?as?$term)?{ ????????$cmds[]?=?new?XSCommand(CMD_INDEX_REMOVE,?0,?$field->vno,?strtolower($term)); ????} ????//?combine?multi?commands?into?exdata ????if?($this->_bufSize?>?0)?{ ????????$this->appendBuffer(implode('',?$cmds)); ????}?elseif?(count($cmds)?==?1)?{ ????????$this->execCommand($cmds[0],?CMD_OK_RQST_FINISHED); ????}?else?{ ????????$cmd?=?array('cmd'?=>?CMD_INDEX_EXDATA,?'buf'?=>?implode('',?$cmds)); ????????$this->execCommand($cmd,?CMD_OK_RQST_FINISHED); ????} ????return?$this; }` 刪除索引中的數據 ~~~ $index->del('123'); // 刪除主鍵為 123 的記錄 $index->del(array('123', '789', '456')); // 刪除主鍵為 123, 789, 456 的記錄 $index->del('abc', 'field'); // 刪除字段 field 上帶有索引詞 abc 的所有記錄 $index->del(array('abc', 'def'), 'field'); // 刪除字段 field 上帶有索引詞 abc 或 def 的所有記錄 ~~~ delSynonym()方法(自版本 v1.3.0 起可用) <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>delSynonym</b>(string $raw, string $synonym=NULL)</div></td></tr><tr><td class="paramNameCol">$raw</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">需要同義的原詞, 英文詞匯支持用空格分開多個單詞并強制被轉換為小寫</td></tr><tr><td class="paramNameCol">$synonym</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">要刪除的同義詞條, 默認 null 表示刪除原詞下的所有同義詞</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L306](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L306) (**[顯示](#)**) `public?function?delSynonym($raw,?$synonym?=?null) { ????$raw?=?strval($raw); ????$synonym?=?$synonym?===?null???''?:?strval($synonym); ????if?($raw?!==?'')?{ ????????$cmd?=?new?XSCommand(CMD_INDEX_SYNONYMS,?CMD_INDEX_SYNONYMS_DEL,?0,?$raw,?$synonym); ????????if?($this->_bufSize?>?0)?{ ????????????$this->appendBuffer(strval($cmd)); ????????}?else?{ ????????????$this->execCommand($cmd,?CMD_OK_RQST_FINISHED); ????????} ????} ????return?$this; }` 刪除某個同義詞 endRebuild()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>endRebuild</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L404](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L404) (**[顯示](#)**) `public?function?endRebuild() { ????if?($this->_rebuild?===?true)?{ ????????$this->_rebuild?=?false; ????????$this->execCommand(array('cmd'?=>?CMD_INDEX_REBUILD,?'arg1'?=>?1),?CMD_OK_DB_REBUILD); ????} ????return?$this; }` 完成并關閉重建索引重建完成后調用, 用重建好的索引數據代替舊的索引數據 #### 參見 - [beginRebuild](#) execCommand()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public void <b>execCommand</b>($cmd, $res_arg=0, $res_cmd=128)</div></td></tr><tr><td class="paramNameCol">$cmd</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">$res_arg</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">$res_cmd</td> <td class="paramTypeCol"></td> <td class="paramDescCol"></td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L44](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L44) (**[顯示](#)**) `public?function?execCommand($cmd,?$res_arg?=?CMD_NONE,?$res_cmd?=?CMD_OK) { ????$res?=?parent::execCommand($cmd,?$res_arg,?$res_cmd); ????foreach?(self::$_adds?as?$srv)?{ ????????$srv->execCommand($cmd,?$res_arg,?$res_cmd); ????} ????return?$res; }` 執行服務端指令并獲取返回值重寫此方法是為了同步到額外增加的多個索引服務端 flushIndex()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public bool <b>flushIndex</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">刷新成功返回 true, 失敗則返回 false</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L466](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L466) (**[顯示](#)**) `public?function?flushIndex() { ????try?{ ????????$this->execCommand(CMD_INDEX_COMMIT,?CMD_OK_DB_COMMITED); ????}?catch?(XSException?$e)?{ ????????if?($e->getCode()?===?CMD_ERR_BUSY?||?$e->getCode()?===?CMD_ERR_RUNNING)?{ ????????????return?false; ????????} ????????throw?$e; ????} ????return?true; }` 強制刷新服務端的當前庫的索引緩存 flushLogging()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public bool <b>flushLogging</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">刷新成功返回 true, 失敗則返回 false</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L449](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L449) (**[顯示](#)**) `public?function?flushLogging() { ????try?{ ????????$this->execCommand(CMD_FLUSH_LOGGING,?CMD_OK_LOG_FLUSHED); ????}?catch?(XSException?$e)?{ ????????if?($e->getCode()?===?CMD_ERR_BUSY)?{ ????????????return?false; ????????} ????????throw?$e; ????} ????return?true; }` 強制刷新服務端當前項目的搜索日志 getCustomDict()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public string <b>getCustomDict</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">自定義詞庫內容</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L484](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L484) (**[顯示](#)**) `public?function?getCustomDict() { ????$res?=?$this->execCommand(CMD_INDEX_USER_DICT,?CMD_OK_INFO); ????return?$res->buf; }` 獲取自定義詞典內容 getScwsMulti()方法(自版本 v1.4.7 起可用) <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public int <b>getScwsMulti</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">int</td> <td class="paramDescCol">返回當前庫的分詞復合等級</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L347](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L347) (**[顯示](#)**) `public?function?getScwsMulti() { ????$cmd?=?array('cmd'?=>?CMD_SEARCH_SCWS_GET,?'arg1'?=>?CMD_SCWS_GET_MULTI); ????$res?=?$this->execCommand($cmd,?CMD_OK_INFO); ????return?intval($res->buf); }` 獲取當前索引庫的分詞復合等級 #### 參見 - [setScwsMulti](#) openBuffer()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>openBuffer</b>(int $size=4)</div></td></tr><tr><td class="paramNameCol">$size</td> <td class="paramTypeCol">int</td> <td class="paramDescCol">緩沖區大小, 單位: MB 默認為 4MB</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L362](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L362) (**[顯示](#)**) `public?function?openBuffer($size?=?4) { ????if?($this->_buf?!==?'')?{ ????????$this->addExdata($this->_buf,?false); ????} ????$this->_bufSize?=?intval($size)?<<?20; ????$this->_buf?=?''; ????return?$this; }` 開啟索引命令提交緩沖區為優化網絡性能, 有必要先將本地提交的 add/update/del 等索引變動指令緩存下來, 當總大小達到參數指定的 size 時或調用 [closeBuffer](#) 時再真正提交到服務器注意: 此舉常用于需要大批量更新索引時, 此外重復調用本函數是無必要的 setCustomDict()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public void <b>setCustomDict</b>(string $content)</div></td></tr><tr><td class="paramNameCol">$content</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">新的詞典內容</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L495](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L495) (**[顯示](#)**) `public?function?setCustomDict($content) { ????$cmd?=?array('cmd'?=>?CMD_INDEX_USER_DICT,?'arg1'?=>?1,?'buf'?=>?$content); ????$this->execCommand($cmd,?CMD_OK_DICT_SAVED); }` 設置自定義詞典內容 setDb()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>setDb</b>(string $name)</div></td></tr><tr><td class="paramNameCol">$name</td> <td class="paramTypeCol">string</td> <td class="paramDescCol">數據庫名稱</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L439](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L439) (**[顯示](#)**) `public?function?setDb($name) { ????$this->execCommand(array('cmd'?=>?CMD_INDEX_SET_DB,?'buf'?=>?$name),?CMD_OK_DB_CHANGED); ????return?$this; }` 更改存放索引數據的目錄默認索引數據保存到服務器上的 db 目錄, 通過此方法修改數據目錄名 setScwsMulti()方法(自版本 v1.4.7 起可用) <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>setScwsMulti</b>(int $level)</div></td></tr><tr><td class="paramNameCol">$level</td> <td class="paramTypeCol">int</td> <td class="paramDescCol">要設置的分詞復合等級</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L331](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L331) (**[顯示](#)**) `public?function?setScwsMulti($level) { ????$level?=?intval($level); ????if?($level?>=?0?&&?$level?<?16)?{ ????????$cmd?=?array('cmd'?=>?CMD_SEARCH_SCWS_SET,?'arg1'?=>?CMD_SCWS_SET_MULTI,?'arg2'?=>?$level); ????????$this->execCommand($cmd); ????} ????return?$this; }` 設置當前索引庫的分詞復合等級復合等級是 scws 分詞粒度控制的一個重要參數, 是長詞細分處理依據, 默認為 3, 值范圍 0~15注意: 這個設置僅直對當前索引庫有效, 多次調用設置值被覆蓋僅最后那次設置有效,而且僅對設置之后提交的索引數據起作用, 如需對以前的索引數據生效請重建索引. stopRebuild()方法(自版本 v1.3.4 起可用) <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>stopRebuild</b>()</div></td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L420](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L420) (**[顯示](#)**) `public?function?stopRebuild() { ????try?{ ????????$this->execCommand(array('cmd'?=>?CMD_INDEX_REBUILD,?'arg1'?=>?2),?CMD_OK_DB_REBUILD); ????????$this->_rebuild?=?false; ????}?catch?(XSException?$e)?{ ????????if?($e->getCode()?!==?CMD_ERR_WRONGPLACE)?{ ????????????throw?$e; ????????} ????} ????return?$this; }` 中止索引重建丟棄重建臨時庫的所有數據, 恢復成當前搜索庫, 主要用于偶爾重建意外中止的情況 #### 參見 - [beginRebuild](#) update()方法 <table class="summaryTable"><tr><td colspan="3"><div class="signature2">public XSIndex <b>update</b>(<a href="XSDocument.html">XSDocument</a> $doc, bool $add=false)</div></td></tr><tr><td class="paramNameCol">$doc</td> <td class="paramTypeCol"><a href="XSDocument.html">XSDocument</a></td> <td class="paramDescCol"></td></tr><tr><td class="paramNameCol">$add</td> <td class="paramTypeCol">bool</td> <td class="paramDescCol">是否為新增文檔, 已有數據中不存在同一主鍵的其它數據</td></tr><tr><td class="paramNameCol">{return}</td> <td class="paramTypeCol">XSIndex</td> <td class="paramDescCol">返回自身對象以支持串接操作</td></tr></table> **源碼:**[sdk/php/lib/XSIndex.class.php#L85](https://github.com/hightman/xunsearch/blob/master/sdk/php/lib/XSIndex.class.php#L85) (**[顯示](#)**) `public?function?update(XSDocument?$doc,?$add?=?false) { ????//?before?submit ????if?($doc->beforeSubmit($this)?===?false)?{ ????????return?$this; ????} ????//?check?primary?key?of?document ????$fid?=?$this->xs->getFieldId(); ????$key?=?$doc->f($fid); ????if?($key?===?null?||?$key?===?'')?{ ????????throw?new?XSException('Missing?value?of?primary?key?(FIELD:'?.?$fid?.?')'); ????} ????//?request?cmd ????$cmd?=?new?XSCommand(CMD_INDEX_REQUEST,?CMD_INDEX_REQUEST_ADD); ????if?($add?!==?true)?{ ????????$cmd->arg1?=?CMD_INDEX_REQUEST_UPDATE; ????????$cmd->arg2?=?$fid->vno; ????????$cmd->buf?=?$key; ????} ????$cmds?=?array($cmd); ????//?document?cmds ????foreach?($this->xs->getAllFields()?as?$field)?/*?@var?$field?XSFieldMeta?*/?{ ????????//?value ????????if?(($value?=?$doc->f($field))?!==?null)?{ ????????????$varg?=?$field->isNumeric()???CMD_VALUE_FLAG_NUMERIC?:?0; ????????????$value?=?$field->val($value); ????????????if?(!$field->hasCustomTokenizer())?{ ????????????????//?internal?tokenizer ????????????????$wdf?=?$field->weight?|?($field->withPos()???CMD_INDEX_FLAG_WITHPOS?:?0); ????????????????if?($field->hasIndexMixed())?{ ????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_INDEX,?$wdf,?XSFieldScheme::MIXED_VNO,?$value); ????????????????} ????????????????if?($field->hasIndexSelf())?{ ????????????????????$wdf?|=?$field->isNumeric()???0?:?CMD_INDEX_FLAG_SAVEVALUE; ????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_INDEX,?$wdf,?$field->vno,?$value); ????????????????} ????????????????//?add?value ????????????????if?(!$field->hasIndexSelf()?||?$field->isNumeric())?{ ????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_VALUE,?$varg,?$field->vno,?$value); ????????????????} ????????????}?else?{ ????????????????//?add?index ????????????????if?($field->hasIndex())?{ ????????????????????$terms?=?$field->getCustomTokenizer()->getTokens($value,?$doc); ????????????????????//?self:?[bool?term,?NOT?weight,?NOT?stem,?NOT?pos] ????????????????????if?($field->hasIndexSelf())?{ ????????????????????????$wdf?=?$field->isBoolIndex()???1?:?($field->weight?|?CMD_INDEX_FLAG_CHECKSTEM); ????????????????????????foreach?($terms?as?$term)?{ ????????????????????????????if?(strlen($term)?>?200)?{ ????????????????????????????????continue; ????????????????????????????} ????????????????????????????$term?=?strtolower($term); ????????????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_TERM,?$wdf,?$field->vno,?$term); ????????????????????????} ????????????????????} ????????????????????//?mixed:?[use?default?tokenizer] ????????????????????if?($field->hasIndexMixed())?{ ????????????????????????$mtext?=?implode('?',?$terms); ????????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_INDEX,?$field->weight,?XSFieldScheme::MIXED_VNO,?$mtext); ????????????????????} ????????????????} ????????????????//?add?value ????????????????$cmds[]?=?new?XSCommand(CMD_DOC_VALUE,?$varg,?$field->vno,?$value); ????????????} ????????} ????????//?process?add?terms ????????if?(($terms?=?$doc->getAddTerms($field))?!==?null)?{ ????????????//?ignore?weight?for?bool?index ????????????$wdf1?=?$field->isBoolIndex()???0?:?CMD_INDEX_FLAG_CHECKSTEM; ????????????foreach?($terms?as?$term?=>?$wdf)?{ ????????????????$term?=?strtolower($term); ????????????????if?(strlen($term)?>?200)?{ ????????????????????continue; ????????????????} ????????????????$wdf2?=?$field->isBoolIndex()???1?:?$wdf?*?$field->weight; ????????????????while?($wdf2?>?XSFieldMeta::MAX_WDF)?{ ????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_TERM,?$wdf1?|?XSFieldMeta::MAX_WDF,?$field->vno,?$term); ????????????????????$wdf2?-=?XSFieldMeta::MAX_WDF; ????????????????} ????????????????$cmds[]?=?new?XSCommand(CMD_DOC_TERM,?$wdf1?|?$wdf2,?$field->vno,?$term); ????????????} ????????} ????????//?process?add?text ????????if?(($text?=?$doc->getAddIndex($field))?!==?null)?{ ????????????if?(!$field->hasCustomTokenizer())?{ ????????????????$wdf?=?$field->weight?|?($field->withPos()???CMD_INDEX_FLAG_WITHPOS?:?0); ????????????????$cmds[]?=?new?XSCommand(CMD_DOC_INDEX,?$wdf,?$field->vno,?$text); ????????????}?else?{ ????????????????//?NOT?pos ????????????????$wdf?=?$field->isBoolIndex()???1?:?($field->weight?|?CMD_INDEX_FLAG_CHECKSTEM); ????????????????$terms?=?$field->getCustomTokenizer()->getTokens($text,?$doc); ????????????????foreach?($terms?as?$term)?{ ????????????????????if?(strlen($term)?>?200)?{ ????????????????????????continue; ????????????????????} ????????????????????$term?=?strtolower($term); ????????????????????$cmds[]?=?new?XSCommand(CMD_DOC_TERM,?$wdf,?$field->vno,?$term); ????????????????} ????????????} ????????} ????} ????//?submit?cmd ????$cmds[]?=?new?XSCommand(CMD_INDEX_SUBMIT); ????//?execute?cmd ????if?($this->_bufSize?>?0)?{ ????????$this->appendBuffer(implode('',?$cmds)); ????}?else?{ ????????for?($i?=?0;?$i?<?count($cmds)?-?1;?$i++)?{ ????????????$this->execCommand($cmds[$i]); ????????} ????????$this->execCommand($cmds[$i],?CMD_OK_RQST_FINISHED); ????} ????//?after?submit ????$doc->afterSubmit($this); ????return?$this; }` 更新索引文檔該方法相當于先根據主鍵刪除已存在的舊文檔, 然后添加該文檔如果你能明確認定是新文檔, 則建議使用 [add](#) 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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