java - ormlite更新数据库的时候，那里写错了？

Question

public ModelAndView add(HttpServletRequest request, {代码...} dao.create(item)能成功运行，pdate.updateColumnValue("status",2).where().eq("id", id_id);就不行。

PHP中文网 · Answer

dao was written wrong

PHP中文网 · Answer

UpdateBuilder is only used to generate updated conditions and values. Ultimately, you need to call the update method of the dao object to execute the PreparedUpdate object generated by the prepare method of UpdateBuilder