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我需要此代碼的幫助才能建立與數據庫的連接。到數據庫的Java連接不能正常工作
try
{
String str="SELECT * FROM Author WHERE city LIKE 'P%'";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con =
DriverManager.getConnection
("jdbc:odbc:myds;databaseName=Library;user=sa;password=password123");
Statement =con.createStatement();
ResultSet rs= executeQuery();
System.out.println("Author ID\tAuthor Name\tCity");
while (rs.next())
{
String id=rs.getString("au_id");
String name=rs.getString("au_name");
String city=rs.getString("city");
System.out.print(id+"\t");
if (name.length() <=7)
System.out.print(name+"\t\t");
else
System.out.print("\t"+name+"\t");
System.out.println(city);
}
}
catch(Exception ex)
{
System.out.println("Error occurred");
System.out.println("Error:"+ex);
上述代碼有什麼問題?
看看請避免大聲喊叫。另外,閱讀正確使用大寫和小寫的文本要容易得多。非常感謝您的幫助。 – 2013-04-24 23:43:08
什麼是錯誤信息/例外/等等。? – TheEwook 2013-04-24 23:43:49
嗯,所以有錯誤信息?它不應該做什麼? – 2013-04-24 23:44:05