[英]Can't connect to Access database file in java
因此,我試圖連接到數據庫文件MSAccess。 這是代碼:
public class DAOCarLoader implements CarLoader {
List < Owner > owners = new ArrayList < Owner > ();
Connection con;
Statement st;
ResultSet rs;
public DAOCarLoader() {
loadData1();
}
public void loadData1() {
try {
Class.forName("net.ucanaccess.jdbc.UcanaccessDriver");
String db = "jdbc:ucanaccess://C:/Users/Anjelo/Desktop/CarTable2.mdb";
con = DriverManager.getConnection(db);
st = con.createStatement();
String sql = "select * from Table1";
rs = st.executeQuery(sql);
while (rs.next()) {
String brand = rs.getString("CarBrand");
String carnumber = rs.getString("CarNum");
int year = rs.getInt("CarYear");
String fname = rs.getString("OwnerName");
String egn = rs.getString("OwnerEGN");
System.out.println("TEST");
System.out.println(brand + " " + carnumber + " " + year + " " + fname + " " + egn);
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
@Override
public List < Owner > loadData() {
// TODO Auto-generated method stub
return null;
}
public static void main(String[] args) {
new DAOCarLoader();
}
}
但是每次我運行程序時,控制台中顯示的唯一內容是:
net.ucanaccess.jdbc.UcanaccessDriver
是什么原因引起的? 預先感謝您的寶貴時間。
嘗試下載http://sourceforge.net/projects/ucanaccess/files/UCanAccess-2.0.9.5-bin.zip/download並配置構建路徑,將jar文件從下載的文件添加到lib文件夾中。
@編輯
您的問題可能與項目中缺少依賴項有關。 驅動程序類(net.ucanaccess.jdbc.UcanaccessDriver)可能不存在於您的構建路徑中。 更改異常捕獲以進行更好的調試:
System.out.println(ex.getMessage());
至
ex.printStackTrace();
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