1、首先需要安装MySQL数据库,具体安装见文档:
https://blog.csdn.net/lijia111111/article/details/80185288
2、安装Navicat软件连接MySQL数据库并且新建数据内容,如何连接略
3、将mysql-connector-java-5.1.18.jar包直接复制到lib下
4、src下新建JDBCtest的java文件,进行插入学生信息代码如下:
package test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class JDBCtest { //code by 李佳
public static void main(String args[]){
Connection conn = null;
Statement stmt = null;
int k ;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/MySQL", "root", "root");
stmt = conn.createStatement();
String sql = "insert into student(name,id,age) values('lijia','5005','20')";
k = stmt.executeUpdate(sql);
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
stmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
5、运行结果如下:
6、查询学生信息代码如下:
package test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class JDBCtest { //code by 李佳
public static void main(String args[]){
Connection conn = null;
Statement stmt = null;
ResultSet rs = null ;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/MySQL", "root", "root");
stmt = conn.createStatement();
String sql = "select * from student";
rs = stmt.executeQuery(sql);
while(rs.next())
{
System.out.println(rs.getString("name"));
}
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
stmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
7、运行结果: