jdbctest.java

网上购物系统

package com.cric.onlineshopclothes.util;

public class JdbcTest {

	public static void main(String[] args) {

		String driverName = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
		String userName = "sa";
		String passWord = "sa";
		String dbUrl = "jdbc:microsoft:sqlserver://localhost:1433;databaseName=OnlineShopClothes";
		java.sql.Connection conn = null;
		java.sql.Statement stmt = null;
		java.sql.ResultSet rs = null;
		try {
			Class.forName(driverName);
			System.out.print("Driver OK!");
			
			conn = java.sql.DriverManager.getConnection(dbUrl, userName,
					passWord);
			System.out.print("conn OK11!");
			
			stmt = conn.createStatement();
			// String sqlStr="insert into users values('003','marry')";
			// String sqlStr="update users set userName='marry' where
			// userId='001'";
			//String sqlStr = "delete users where userId='001'";
			// stmt.execute(sqlStr);

			String sqlstr1 = "select * from admin";
			rs = stmt.executeQuery(sqlstr1);
			while (rs.next()) {
				String userId = rs.getString("uId").trim();
				String userN = rs.getString("userName").trim();
				String userP = rs.getString("passWord").trim();
				System.out.println( userId+"-" + userN+"-"+userP);

			}
			

		} catch (java.lang.ClassNotFoundException e) {
			e.printStackTrace();
		} catch (java.sql.SQLException e) {
			e.printStackTrace();
		} finally {
			try {
				if (rs != null)
					rs.close();
			} catch (java.sql.SQLException e) {
				e.printStackTrace();
			}

			try {
				if (stmt != null)
					stmt.close();
			} catch (java.sql.SQLException e) {
				e.printStackTrace();
			}

			try {
				if (conn != null)
					conn.close();
			} catch (java.sql.SQLException e) {
				e.printStackTrace();
			}

		}

	}

}