问题最近在学习MyBatis,使用的是Mapper方式查询数据库,查库的时候一直报错Cause: org.apache.ibatis.executor.result.ResultMapException: Error attempting to get column 'created' from result set. Cause: java.lang.IllegalArgumentExc...
需求领导让我出几个 MySQL 的面试题,搞硬件运维的,会几个简单的就行,所以上网搜罗自己整理了一下。现有数据CREATE DATABASE IF NOT EXISTS TEST DEFAULT CHARSET UTF8MB4 COLLATE UTF8MB4_GENERAL_CI; USE TEST; CREATE TABLE IF NOT EXISTS STUDENT ( ID I...
下午修改Typecho主题想把首页文章过滤的功能集成到主题,高级查询其实很简单直接继承Widget_Abstract_Contents以及其子类都可以,重写一下select()方法就可以了。传过来的参数使用逗号隔开,explode函数分割就行。class XMP_Post_Query extends Widget_Abstract_Contents { public function...
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