手写实现自定义连接池 运行环境 idea jdk 1.7 mysql-connector-java-5.1.39 配置文件 # 数据库参数 jdbcDriver = com.mysql.jdbc.Driver jdbcUrl = jdbc:mysql://localhost:3306/myThreadPool userName = root password = root # 连接池参数 initCount = 10 stepSize = 4 maxSize = 150