insert.java

本套光盘提供了本书各章实例的所需的部分源程序文件以及数据库文件。读者 需要使用JDK 1.4(必需）版

import java.sql.*;
import java.net.URL;

class insert {
public static void main (String args[]) {
String url ="jdbc:microsoft:sqlserver://localhost:1433;User=JavaDB;Password=javadb;DatabaseName=northwind";
//设置三个SQL语句
String query = "Select * From FirstTable";

String query1 = "Insert Into FirstTable(ID, Name , Types, Description,Others) Values (6, 'java', 'IT Technology', 'this book is for programmer','great')";

String query2 = "Insert Into FirstTable(ID, Name , Types, Description,Others) Values (7, 'Amercian Culture', 'literature', 'this book is for people who wants to know something about US Culture','good')";

try {
		// 加载Sql Server JDBC 驱动程序
		Class.forName ("com.microsoft.jdbc.sqlserver.SQLServerDriver");
				
		Connection con = DriverManager.getConnection (url);

		//建立一个Statement对象,用这个对象向驱动程序发送SQL语句
		Statement stmt = con.createStatement ();

		//提交两个不同的插入操作
 		stmt.executeUpdate(query1);
		stmt.executeUpdate(query2);
		ResultSet rs = stmt.executeQuery(query);
		
		//显示结果集的所有行和列
		dispResultSet (rs);

		// 关闭结果集
		rs.close();

		// 关闭statement对象
		stmt.close();

		// 关闭连接
		con.close();	}
catch (SQLException ex) {

	System.out.println ("\n*** SQLException caught ***\n");
	while (ex != null) {
		System.out.println ("SQLState: " +	ex.getSQLState ());
		System.out.println ("Message:  " + ex.getMessage ());
		System.out.println ("Vendor:   " + ex.getErrorCode ());
		ex = ex.getNextException ();
		System.out.println ("");
		}
	}
catch (java.lang.Exception ex) {

		// 捕获例外并显示它的详细信息
		ex.printStackTrace ();
	}
}
//-------------------------------------------------------------------
// dispResultSet
// 显示整个结果集中的所有的行和列
//-------------------------------------------------------------------

private static void dispResultSet (ResultSet rs)
	throws SQLException
{
	int i;

	// 取得结果集的元数据
	ResultSetMetaData rsmd = rs.getMetaData ();

	// 获得结果集的列数
	int numCols = rsmd.getColumnCount ();

	// 显示列的标题

	for (i=1; i<=numCols; i++) {
		if (i > 1) System.out.print(",     ");
		System.out.print(rsmd.getColumnLabel(i));
	}
	System.out.println("");
	System.out.println("");
	
	// 显示结果集中所有数据
	boolean more = rs.next ();
	while (more) {
		// 循环显示结果集中的所有数据

		for (i=1; i<=numCols; i++) {
			if (i > 1) System.out.print(",  ");
			System.out.print(rs.getString(i));
		}
		System.out.println("");

		// 获得下一行数据
		more = rs.next ();
		}
}
}