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package org.mlj.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import .UnknownHostException;
import .InetAddress.*; public class DoInsert {
private Connection conn = null;
private Statement stmt = null;
private String driver = "com.mysql.jdbc.Driver";
private String username = "root";
private String password = "root";
private String sql = "INSERT INTO student(name,myclass,score)VALUES('莫丽娟','0801',801)";
public boolean addStudent(){
boolean flag = false;
try{
//step1:加载数据库厂商提供的驱动程序;
Class.forName(driver);
}catch(ClassNotFoundException e){
e.printStackTrace();
}
//Step2:提供数据库连接的URL
String url="jdbc:mysql://localhost：3306/test1";
try {
//step3：通过DriverManager获得数据库的一个连接对象
conn = DriverManager.getConnection(url,username,password);
}catch(SQLException e){
e.printStackTrace();
}
try{
//step4：创建Statement(SQL的执行环境)
stmt = conn.createStatement();
//step5:执行SQL语句
int row = stmt.executeUpdate(sql);
//step6:处理结果
if(row==1){
flag=true;
}
}catch(SQLException e){
e.printStackTrace();
}finally{
//step7:关闭JDBC的资源
if(null !=stmt){
try{stmt.close();}
catch(SQLException e){
e.printStackTrace();
}
}
}
return flag;
}
public static void main(String[] args) {
DoInsert doinsert = new DoInsert();
boolean flag = doinsert.addStudent();
if(flag){
System.out.println("添加信息成功！");
}else{
System.out.println("添加信息失败！");
} } }
