SasaL

package cn.sasa.demo3; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; import java.util.Scanner; public class JDBCDemo3 {... Read More

package cn.sasa.demo2; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statem... Read More

package cn.sasa.demo1; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; /**导入jar包 ： https://dev.mysql... Read More