private void UptadeSupplierActionPerformed(java.awt.event.ActionEvent evt)
{
try
{
Class.forName(driver);
Connection con = DriverManager.getConnection(url, user, pass);
Statement st = con.createStatement();
ResultSet rec =st.executeQuery("SELECT SupName, SupSurName" +
"FROM Suppliers" +
"ORDER BY SupName");
while(rec.next())
{
System.out.println(rec.getString("SupName") + "," + rec.getString("SupSurName") + ".");
}
st.close();
}
catch(Exception e)
{
System.out.println("Error-" + e.toString());
}
}
答案 0 :(得分:0)
你像这样连接你的字符串:
"SELECT SupName, SupSurName" + "FROM SUPPLIERS"
这将导致:
SELECT SupName, SupSurNameFROM Suppiers
请注意,您在“SupSurName”和“FROM”之间缺少空格。在字符串之间添加“”(空格)或者只是在每个字符串的末尾添加一个空格。