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                ![datasource及statements元素](https://gitee.com/mianshenglee/datastorage/raw/master/md-photo/deploy-tool/datasource%E5%85%83%E7%B4%A0.jpg) `datasourse`/`statements`元素是用于設置與數據庫操作相關的配置,主要在`OperRunDbStatement`操作中進行設置。`datasourse`元素設置數據庫連接連接信息,與jdbc連接數據庫內容一致,包括`driver-class-name`,`url`,`username`,`password`。如下示例使用配置文件中的占位符設置: ```xml <datasource> <driver-class-name><![CDATA[com.mysql.jdbc.Driver]]></driver-class-name> <url><![CDATA[jdbc:mysql://$${server_mysql_ip}:$${server_mysql_port}/$${server_mysql_dbname}?useUnicode=true&characterEncoding=utf8]]></url> <username><![CDATA[$${server_mysql_db_username}]]></username> <password><![CDATA[$${server_mysql_db_password}]]></password> </datasource> ``` `statements`元素是需要執行sql語句。它包含>=1個`statement`元素,每個`statement`元素對應一條sql語句,一般在部署中使用較多的是`insert`,`update`,`delete`等語句。如下所示: ```xml <statements> <statement> <![CDATA[UPDATE `$${server_mysql_dbname}`.`sys_config` SET `value` = '$${deployment_home}/system_file/test/source' WHERE `name` = 'store.server.folder.source';]]> </statement> <statement> <![CDATA[UPDATE `$${server_mysql_dbname}`.`sys_config` SET `value` = '$${deployment_home}/system_file/test/temp' WHERE `name` = 'store.server.folder.temp';]]> </statement> </statements> ``` 注意: > * 建議把在運行部署工具時才確定的變量,同時需要應用到數據庫中的時候才放在此處執行。如上述示例中,根據當前部署路徑更新到數據庫表中。 > * 不建議把大量的sql語句在此執行,若需要執行大量sql語句,可寫在sql腳本中,然后通過`OperRunCommand`操作執行shell/bat腳本。 > * 元素的值建議都添加在`<![CDATA[]]>`中,以免出現特殊字符匹配失敗的情況。 [17]: http://ww2.sinaimg.cn/large/72d660a7gw1fbn8jk0ye0j20bf05sq30.jpg
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