cj_gameboy通过本文主要向大家介绍了jdbc连接mysql数据库,jdbc链接mysql数据库,jdbc操作mysql数据库,jdbc查询mysql数据库,mysql数据库jdbc等相关知识,希望对您有所帮助,也希望大家支持linkedu.com www.linkedu.com
本文实例讲述了jdbc操作mysql数据库的方法。分享给大家供大家参考。具体如下：
import java.sql.*;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
class conn{
String url="jdbc:mysql://127.0.0.1/nariData";
final String user = "nari";
final String pass = "nariacc";
Connection conn = null;
Statement st = null;
ResultSet rs = null;
conn(){
try{
Class.forName("com.mysql.jdbc.Driver");
}catch(Exception e){
e.printStackTrace();
}
try{
System.out.println("in DBManager");
conn = DriverManager.getConnection(url, user, pass);
String sql = "create table test (id int, uid int)";
st = conn.createStatement();
st.execute(sql);
}catch(Exception e){
e.printStackTrace();
}
}
void insert(){
try{
for(int i=0;i<10;i++){
String sql = "insert into test values("+i+","+i+")";
st.execute(sql);
}
}catch(Exception e){
e.printStackTrace();
}
}
void query(){
try{
String sql = "select * from test ";
rs = st.executeQuery(sql);
while(rs.next()){
System.out.print("res1: "+rs.getInt(1)+" res2: "+rs.getInt(2)+"\n");
}
}catch(Exception e){
e.printStackTrace();
}
}
void close(){
try{
rs.close();
st.close();
conn.close();
}catch(Exception e){
e.printStackTrace();
}
}
}
public class mysqltest {
public static void main(String[] args) {
// TODO Auto-generated method stub
conn a1 = new conn();
a1.insert();
a1.query();
a1.close();
}
}
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希望本文所述对大家的JSP程序设计有所帮助。
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