日期:2014-05-16 浏览次数:20504 次
import java.sql.*;
public class MysqlJdbc {
public static void main(String args[]) {
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/test","root","198876");
//连接URL为 jdbc:mysql//服务器地址/数据库名 ,后面的2个参数分别是登陆用户名和密码
System.out.println("Success connect Mysql server!");
Statement stmt = connect.createStatement();
ResultSet rs = stmt.executeQuery("select * from user");
//user 为你表的名称
while (rs.next()) {
System.out.println(rs.getString("name"));
}
}
catch (Exception e) {
System.out.print("get data error!");
e.printStackTrace();
}
}
}
import java.sql.*;
public class Myjproject {
public static void main(String args[])
{
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection( "jdbc:mysql://localhost:3306/test","root","198876");
int num=100;
PreparedStatement Statement=connect.prepareStatement("INSERT INTO user VALUES(?,?)");
for(int i=0;i<num;i++) //定义个100次的循环,往表里插入一百条信息。
{
Statement.setString(1,"chongshi"+i);
Statement.setString(2,"bo"+i);
Statement.executeUpdate();
}
// } catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
// System.out.println("An error has occurred:"+e.toString());
// e.printStackTrace();
}catch(SQLException e)
{
}
}
}Connection connection =getConnection();
connection.setAutoCommit(false);
PreparedStatement statement = connection.prepareStatement("INSERT INTO TABLEX VALUES(?, ?)"); //记录1 statement.setInt(1, 1); statement.setString(2, "Cujo"); statement.addBatch(); //记录2 statement.setInt(1, 2); statement.setString(2, "Fred"); statement.addBatch(); //记录3 statement.setInt(1, 3); statement.setString(2, "Mark"); statement.addBatch(); //批量执行上面3条语句. 一口吞了,很爽 int [] counts = statement.executeBatch(); //Commit it 咽下去,到肚子(DB)里面 connection.commit();