WOW Item Maker 怎么连接数据库

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将ShowRecordowl文件存储到MySQL数据库中，数据库叫Jena，在Eclipse中创建工程OperaOntology，代码如下：importJavaio;importjavasqlSQLException;importcomhphpljenadb;importcomhphpljenaontologyOntClass;importcomhphpljenardfmodel;publicclassOperaOntology{publicstaticfinalStringstrDriver="commysqljdbcDriver";publicstaticfinalStringstrURL="jdbc:mysql://localhost:3306/jena";//localhost的后面要直接写冒号，再写3306；publicstaticfinalStringstrUser="root";publicstaticfinalStringstrPassword="root";publicstaticfinalStringstrDB="MySQL";publicstaticvoidmain(String[]args){try{DBConnectionconnection=newDBConnection(strURL,strUser,strPassword,strDB);Systemoutprintln(connection);//创建连接时，第四个参数需要指定所用的数据库类型；也就是说strDB的值应该是“MySQL”try{ClassforName("commysqljdbcDriver");Systemoutprintln("驱动程序已经安装。");}catch(ClassNotFoundExceptione){Systemoutprintln("ClassNotFoundException,Driverisnotavailable");}Systemoutprintln("数据库连接成功。");//从此处开始读入一个OWL文件并且存储到数据库中；ModelMakermaker=ModelFactorycreateModelRDBMaker(connection);//使用数据库连接参数创建一个模型制造器ModeldefModel=makercreateModel("ShowRecord");//创建一个默认模型，命名为CostumeModel，因为我要存入的OWL文件名是CostumeFileInputStreamread=null;try{Filefile=newFile("e:/ontologies/ShowRecordowl");read=newFileInputStream(file);}catch(FileNotFoundExceptione){eprintStackTrace();Systemoutprintln("未找到要存储的本体文件，请检查文件地址及名称");}Systemoutprintln("已将本体文件转换为字节流文件。");InputStreamReaderin=null;try{in=newInputStreamReader((FileInputStream)read,"UTF-8");}catch(UnsupportedEncodingExceptione){eprintStackTrace();Systemoutprintln("不支持上述字符集。");}Systemoutprintln("已将字节流文件转换为UTF-8编码。");defModelread(in,null);try{inclose();}catch(IOExceptione){eprintStackTrace();Systemoutprintln("无法关闭字节流文件。");}Systemoutprintln("已将字节流文件关闭。");defModelcommit();Systemoutprintln("数据转换执行完毕，已将本体文件存入数据库。");try{connectionclose();}catch(SQLExceptione){eprintStackTrace();Systemoutprintln("文件无法关闭。");}}catch(RDFRDBExceptione){eprintStackTrace();Systemoutprintln("出现异常");}Systemoutprintln("已将本体文件持久化到数据库中");}}以上步骤成功完成以后，我登录到MySQL的界面查询工具查看Jena数据库的表，点击“Catalogs“

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