04 2020 档案

摘要:SELECT CONCAT('drop table ', table_name, ';') FROM information_schema. TABLES WHERE table_name LIKE 'xxx_%'; 阅读全文
posted @ 2020-04-22 18:11 鸿毛浮绿水 阅读(548) 评论(0) 推荐(0)
摘要:这种写法是错误的:在OGNL的表达式中,'true'会被解析成字符,因为java是强类型的 <if test="flag=='true' "> AND ho.id = #{id} </if> 应该这样写: <if test='flag == "true"'>AND ho.id = #{id}</if 阅读全文
posted @ 2020-04-21 17:30 鸿毛浮绿水 阅读(4402) 评论(0) 推荐(0)
摘要:https://www.cnblogs.com/dingjiaoyang/p/10763697.html 阅读全文
posted @ 2020-04-14 17:06 鸿毛浮绿水 阅读(109) 评论(0) 推荐(0)
摘要:https://blog.csdn.net/qq_37939251/article/details/84443830 https://www.cnblogs.com/fxwl/p/7990906.html 阅读全文
posted @ 2020-04-14 13:43 鸿毛浮绿水 阅读(112) 评论(0) 推荐(0)