DBCP连接池工具类模板

package ${enclosing_package};

import java.io.InputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSourceFactory;

public class ${primary_type_name} {
    private static DataSource dataSource;
    static{
        try {
            //1.加载找properties文件输入流
            InputStream is = DBCPUtils.class.getClassLoader().getResourceAsStream("database.properties");
            //2.加载输入流
            Properties props = new Properties();
            props.load(is);
            //3.创建数据源
            dataSource = BasicDataSourceFactory.createDataSource(props);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    public static DataSource getDataSource(){
        return dataSource;
    }
    
    public static Connection getConnection(){
        try {
            return dataSource.getConnection();
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
原文地址:https://www.cnblogs.com/jepson6669/p/8302383.html