Question

我在每个标签页上更新购物车，代码我更新了购物车项目，但在语法上显示错误。

else continue

Answer 1

您正在添加AND而不是comma，删除可以解决问题。

将查询更改为：

String sql2 = "UPDATE " + DbConstants.TABLE_CART + " SET " +
        DbConstants.COLUMN_MEMBER + " = '" + cartItemBean.getCOLUMN_MEMBER() + "', "
        + DbConstants.COLUMN_DATE + " = '" + cartItemBean.getCOLUMN_DATE() + "', "
        + DbConstants.COLUMN_TIME + " = '" + cartItemBean.getCOLUMN_TIME() + "', "
        + DbConstants.COLUMN_TOTAL_PRICE + " = '" + cartItemBean.getCOLUMN_TOTAL_PRICE() + "' "
        + " WHERE " +
        DbConstants.COLUMN_PACKID + " = '" + cartItemBean.getCOLUMN_PACKID() + "' AND "
        + DbConstants.COLUMN_USERID + " = '" + cartItemBean.getCOLUMN_USERID() + "'";

检查此tutorial中的示例。

Android Sqllite：无法解决查询中的语法错误

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