我无法在while循环中执行执行更新

Question

String re = "inCart";
String sre = "Sold";
resultSetP = statement.executeQuery("select * from shoppingcart where proStatus='" + re + "' and customerID='" + this.customerID + "'");
while (resultSet.next()) {
    int ed = statement.executeUpdate("update shoppingcart set proStatus='" + sre + "'  where proStatus='" + re + "' and customerID='" + this.customerID + "'");
}

resultSetS = statement.executeQuery("select * from shoppingcart where serStatus='" + re + "' and customerID='" + this.customerID + "'");
while (resultSet.next()) {
    int efd = statement.executeUpdate("update shoppingcart set serStatus='" + sre + "' where serStatus='" + re + "' and customerID='" + this.customerID + "'");
}

Answer 1

在您的代码中，您在循环条件 resultSet.next（）中写入它可能应该是 resultSetS.next（）或 resultSetP.next（）< / em>的