12 2018 档案

摘要:python中用None表示空,但是在查询Mysql数据中,参数不能传None 例如 def select_word1(): db = MysqlConn() cursor = db.cursor() sql = 'select * from HotWord where detail=%s' try 阅读全文
posted @ 2018-12-26 22:04 夏延 阅读(747) 评论(0) 推荐(0)
摘要:报错信息: Referenced file contains errors (http://www.springframework.org/schema/beans/spring-beans-4.3.xsd). For more information, right click on the mes 阅读全文
posted @ 2018-12-02 17:13 夏延 阅读(1950) 评论(0) 推荐(0)