test.java

java与windows的com桥,可以用来操作所有的com程序如word或者excel等

package com.jacob.samples.ado;

import com.jacob.com.Variant;

public class test {
	public static void printRS(Recordset rs) {
		Fields fs = rs.getFields();

		for (int i = 0; i < fs.getCount(); i++) {
			System.out.print(fs.getItem(i).getName() + " ");
		}
		System.out.println("");

		rs.MoveFirst();
		while (!rs.getEOF()) {
			for (int i = 0; i < fs.getCount(); i++) {
				Field f = fs.getItem(i);
				Variant v = f.getValue();
				System.out.print(v + " ");
			}
			System.out.println("");
			rs.MoveNext();
		}
	}

	// open a recordset directly
	public static void getRS(String con, String query) {
		System.out.println("Recordset Open");
		Recordset rs = new Recordset();
		rs.Open(new Variant(query), new Variant(con));
		printRS(rs);
	}

	// create connection and command objects and use them
	// to get a recordset
	public static void getCommand(String con, String query) {
		System.out.println("Command+Connection -> Recordset");
		Connection c = new Connection();
		c.setConnectionString(con);
		c.Open();
		Command comm = new Command();
		comm.setActiveConnection(c);
		comm.setCommandType(CommandTypeEnum.adCmdText);
		comm.setCommandText(query);
		Recordset rs = comm.Execute();
		printRS(rs);
		c.Close();
	}

	public static void main(String[] args) {
		String connectStr = "DRIVER=SQL Server;SERVER=DANADLER;UID=sa;PWD=;WSID=DANADLER;DATABASE=pubs";
		String queryStr = "select * from authors";
		getCommand(connectStr, queryStr);
		getRS(connectStr, queryStr);
	}
}