摘要:
1. 依赖jar包: c3p0-0.9.1.2.jar2.配置连接池import java.sql.Connection;import java.sql.SQLException;import com.mchange.v2.c3p0.ComboPooledDataSource;public class C3P0{ public static final String DBUrl="jdbc:mysql://localhost:3306/sqlesmailtrack?useUnicode=true&characterEncoding=utf8"; public sta 阅读全文