我们如何轻松导入/导出数据库数据,dbunit可以采用以下格式?
<dataset> <tablea cola="" colb="" /> <tableb colc="" cold="" /> </dataset>
蓝色,这将让您以您想要的格式导出您的数据.
public class DatabaseExportSample { public static void main(String[] args) throws Exception { // database connection Class driverClass = Class.forName("org.hsqldb.jdbcDriver"); Connection jdbcConnection = DriverManager.getConnection( "jdbc:hsqldb:sample","sa",""); IDatabaseConnection connection = new DatabaseConnection(jdbcConnection); // partial database export QueryDataSet partialDataSet = new QueryDataSet(connection); partialDataSet.addTable("FOO","SELECT * FROM TABLE WHERE COL='VALUE'"); partialDataSet.addTable("BAR"); FlatXmlDataSet.write(partialDataSet,new FileOutputStream("partial.xml")); // full database export IDataSet fullDataSet = connection.createDataSet(); FlatXmlDataSet.write(fullDataSet,new FileOutputStream("full.xml")); // dependent tables database export: export table X and all tables that // have a PK which is a FK on X,in the right order for insertion String[] depTableNames = TablesDependencyHelper.getAllDependentTables( connection,"X" ); IDataSet depDataSet = connection.createDataSet( depTableNames ); FlatXmlDataSet.write(depDataSet,new FileOutputStream("dependents.xml")); } }
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