whale blog

1.加载驱动类到内存 2.获取链接 3.获取statement对象import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.sql.Connection; import java.sql.DriverManager; import ja

配置文件内容，配置文件名：jdbc.propertiesname=root password= url=jdbc\:mysql\://localhost\:3306/test?characterEncoding\=utf-8 driver=com.mysql.jdbc.Driver工具类//package util;import java.io.FileInputStream; import jav

配置文件名：jdbc.propertiesname=root password= url=jdbc\:mysql\://localhost\:3306/test?characterEncoding\=utf-8 driver=com.mysql.jdbc.Driver 工具类//package util;import java.io.FileInputStream; import java.sql.