JDBC连接SQL Server2008插入、修改、删除、查询代码

插入数据
import java.sql.*;

/**
 * @version 2012-02-22
 * @author 
 */
public class InsertDemo {
public static void main(String[] args) throws SQLException {
Connection conn = null;
Statement stmt = null;
String JDriver="com.microsoft.sqlserver.jdbc.SQLServerDriver";//SQL鏁版嵁搴撳紩鎿�
String connectDB="jdbc:sqlserver://localhost:1433;DatabaseName=JDBCTest";//鏁版嵁婧惵�
String user="sa";
String pwd="sql";
try {
// 动态导入数据库的驱动 
Class.forName(JDriver);
// 获取数据库链接 
conn = DriverManager.getConnection(connectDB,user,pwd);
// 创造SQL语句 
String sql = "INSERT INTO JDBCTestTable ( user_name, user_password ) VALUES ( 'balabala', '123456' )";
// 执行SQL语句 
stmt = conn.createStatement();
stmt.executeUpdate(sql);
System.out.println("插入数据成功");
} catch (Exception e) {
e.printStackTrace();
stmt.close();
conn.close();