本文主要介绍Java 使用Sqllite 数据库如何生成db文件的实现实例,网上资料不是很多,自己上网搜资料看到的一个实例,希望可以帮助到读者
实现代码:
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import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.sql.DataSource;
import org.apache.commons.dbcp2.BasicDataSource;
import org.springframework.jdbc.datasource.DataSourceUtils;
public class Main {
public static void update(String sql) {
DataSource data = getDataSource();
Connection conn = null ;
try {
conn = data.getConnection();
PreparedStatement ps = conn.prepareStatement(sql);
ps.executeUpdate();
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
} finally {
try {
DataSourceUtils.doCloseConnection(conn, dataSource);
} catch (Exception e) {
}
}
}
protected static BasicDataSource dataSource = null ;
public static DataSource getDataSource() {
synchronized (Thread. class ) {
if ( null == dataSource) {
dataSource = new BasicDataSource();
dataSource.setDriverClassName( "org.sqlite.JDBC" );
}
}
return dataSource;
}
public static void main(String[] args) throws Exception {
update( "drop table if exists COMPANY" );
update( "CREATE TABLE COMPANY (ID INT,cname VARCHAR(40))" );
for ( int x = 0 ; x < 300 ; x++) {
update( "insert into COMPANY(id , cname) values(" + x + " ,'xx" + x + "')" );
}
PreparedStatement ps = getDataSource().getConnection().prepareStatement( "select * from COMPANY" );
ResultSet rs = ps.executeQuery();
while (rs.next()) {
System.out.println(rs.getString( "id" ) + "--" + rs.getString( "cname" ));
}
}
}
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感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!
原文链接:http://hpgary.iteye.com/blog/2383347