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mysql 统计12月份数据,不足补0

SELECT a.month, IFNULL(b.onLineTotal, 0) AS onLineTotal, IFNULL(b.offLineTotal, 0) AS offLineTotalFROM (SELECT DATE_FORMAT(CURDATE(), '%m') AS MONTHUNION...

BindingException: Parameter 'XXX' not found. Available parameters are [collection, list]

应业务需求,需要使用到MQ进行数据上传和下发。传递格式为JSON,服务那边下发JSON数组,接收端将JSON数组转换成List集合,调用Mybatis-plus批量添加saveBatch()。提示字段未找到...org.apache.ibatis.exceptions.PersistenceException:### Err...

#iphone
Docker-compose 安装与基本使用(四)

安装 Docker-ComposeCompose有多种安装方式,例如通过 shell, pip以及将 Compose作为容器安装等。本次安装以Shell 为主。通过以下命令自动下载并安装适应系统版本的 Compose:curl -L "https://github.com/docker/compose/releases/d...

#docker#linux#java +2
Could not autowire. No beans of 'JavaMailSender' type found..md

Could not autowire. No beans of 'JavaMailSender' type found.导入依赖<dependency><groupId>org.springframework.boot</groupId><artifactId>...

#mybatis#spring#spring boot +1
Could not autowire. No beans of 'JavaMailSender' type found..md

Could not autowire. No beans of 'JavaMailSender' type found.导入依赖<dependency><groupId>org.springframework.boot</groupId><artifactId>...

#mybatis#spring#spring boot +1
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