/* package com.ruoyi.web.Utils; import com.mchange.v2.c3p0.ComboPooledDataSource; import javax.sql.DataSource; import java.beans.PropertyVetoException; import java.sql.Connection; */ /** * 数据库操作 * * @author Administrator * *//* public class DataDBUtils { private static DataSource ds; static { ComboPooledDataSource cpds = null; try { cpds = new ComboPooledDataSource(); cpds.setCheckoutTimeout(30000); cpds.setIdleConnectionTestPeriod(30); cpds.setInitialPoolSize(10); cpds.setMaxIdleTime(30);// cpds.setMaxPoolSize(30); cpds.setMaxStatementsPerConnection(100); cpds.setMinPoolSize(5); cpds.setMaxStatements(75); cpds.setAcquireIncrement(3); cpds.setNumHelperThreads(3); cpds.setDriverClass("com.microsoft.sqlserver.jdbc.SQLServerDriver"); cpds.setJdbcUrl("jdbc:sqlserver://192.168.9.99:1433;DatabaseName=jn_quot"); cpds.setUser("sa"); cpds.setPassword("Itcenter110-"); ds = cpds; } catch (PropertyVetoException e) { System.out.println("与SqlServer数据库连接失败!"); } } private DataDBUtils() { } public static DataSource getDatasSource() { return ds; } public static Connection getConnection() { Connection con = null; try { con = ds.getConnection();// 每一次从ds中获取一个新的连接 } catch (Exception e) { e.printStackTrace(); } return con; } } */