[英]MySQL Query Through Java Syntax Error
我有這段代碼將記錄插入到account表中:
String accNumber = jTextField5.getText();
String accName = jTextField4.getText();
String accAddress1 = jTextField3.getText();
String accAddress2 = jTextField2.getText();
String accCity = jTextField6.getText();
String accCounty = jTextField7.getText();
String accPostCode = jTextField9.getText();
String accContact = jTextField8.getText();
String query = "Insert into accounts (AccNo, name, address, address2, address3, City, County, PostCode, contact) values (?, ?, ?, ?, ?, ?, ?, ?, ?)";
try{
connect.pst = connect.con.prepareStatement(query);
connect.pst.setString(1, accNumber);
connect.pst.setString(2, accName);
connect.pst.setString(3, accAddress1);
connect.pst.setString(4, accAddress2);
connect.pst.setString(5, null);
connect.pst.setString(6, accCity);
connect.pst.setString(7,accCounty);
connect.pst.setString(8, accPostCode);
connect.pst.setString(9, accContact);
connect.pst.execute();
JOptionPane.showMessageDialog(null, "Saved");
}catch(Exception e){
JOptionPane.showMessageDialog(null, e);
}
這工作得很好,並將記錄插入到account表中。 接下來,我有這段代碼旨在更新包含6個字段的orderstable表。 訂單號,帳號,發票號,說明,金額,增值稅。 訂單號字段已設置為自動遞增代碼:
String accNumber = jTextField29.getText();
String invNo = jTextField20.getText();
String description = jTextField21.getText();
String vat = jTextField22.getText();
String amount = jTextField23.getText();
String query = "Insert into orderstable (Order Number, AccNo, Invoice Number, Description, Amount, VAT) values (?, ?, ?, ?, ?, ?)";
try{
connect.pst = connect.con.prepareStatement(query);
connect.pst.setString(1, "3");
connect.pst.setString(2, accNumber);
connect.pst.setString(3, invNo);
connect.pst.setString(4, description);
connect.pst.setString(5, amount);
connect.pst.setString(6, vat);
connect.pst.execute();
JOptionPane.showMessageDialog(null, "Saved");
}catch(Exception e){
JOptionPane.showMessageDialog(null, e);
}
上面的代碼返回SQL語法錯誤。 我不知道為什么。 該SQL語法錯誤的原因可能是什么?
列名稱不能帶有空格,如果這樣做,則需要在反引號中
Insert into orderstable
(`Order Number`, AccNo, `Invoice Number`, Description, Amount, VAT)
在此處查看更多詳細信息http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
自動遞增字段order number
不應包含在屬性部分中。
您的查詢應如下所示
String query = "Insert into orderstable (AccNo, Invoice Number, Description, Amount, VAT) values (?, ?, ?, ?, ?)";
order number
列不應包含在字段列表中,因為它是自動遞增的
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