新手求解!!!!!!!!!!
String sql="select a_id,commodityname,commoditycount,transactionmoney,ispaid,provider,description,accountdate from user_account";
if(!Utils.isNull(productName)&&!Utils.isNull(payStatus)) {
sql =sql +" where commodityname="+productName+" and ispaid="+payStatus;
}
java.sql.SQLException: "淘宝": 标识符无效
"淘宝"是我查询输入的productName
这么回事???????