刚刚

package com.dbcp; import java.io.InputStream; import java.sql.Connection; import java.util.Properties; import javax.sql.DataSource; import org.apache.commons.dbcp.BasicDataSource; import org.apa

 package com.c3p0; import java.sql.Connection; import javax.sql.DataSource; import org.junit.Test; import com.mchange.v2.c3p0.ComboPooledDataSource; public class JDBC {  private static Data