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運行我的代碼時,我不斷收到以下錯誤:java.sql.SQLException:Column'Hours Worked'not found。java.sql.SQLException:找不到 - JDBC
任何有關我要出錯的想法,我很抱歉,如果它很明顯,我仍然試圖學習如何正確使用JDBC。
這裏就是我認爲錯誤是在我的代碼:
String sql = "SELECT jobID, 'Hours'+'/'+'Worked', Description, Address, 'Materials'+'/'+'Used', Seen FROM main";
ResultSet rs = stmt.executeQuery(sql);
//Extract data from result set
while(rs.next()){
//Retrieve by column name
int id = rs.getInt("JobID");
int Hrs = rs.getInt("Hours Worked");
String description = rs.getString("Description");
String Address = rs.getString("Address");
String Materials = rs.getString("Materials Used");
String Seen = rs.getString("Seen");
//Display values
System.out.print("JobID: " + id);
System.out.print(", Hours Worked: " + Hrs);
System.out.print(", Description: " + description);
System.out.println(", Address: " + Address);
System.out.println(", Materials Used: " + Materials);
System.out.println(", Seen: " + Seen);
}
'INT hours = rs.getInt(「Hours/Worked」);'....? – Reimeus