mysql统计一年12月的数据

Posted 2020-12-25 弓长张&木子李

效果图:

 

select 
sum(case month(createTime) when \'1\' then 1 else 0 end) as 一月份,
sum(case month(createTime) when \'2\' then 1 else 0 end) as 二月份,
sum(case month(createTime) when \'3\' then 1 else 0 end) as 三月份,
sum(case month(createTime) when \'4\' then 1 else 0 end) as 四月份,
sum(case month(createTime) when \'5\' then 1 else 0 end) as 五月份,
sum(case month(createTime) when \'6\' then 1 else 0 end) as 六月份,
sum(case month(createTime) when \'7\' then 1 else 0 end) as 七月份,
sum(case month(createTime) when \'8\' then 1 else 0 end) as 八月份,
sum(case month(createTime) when \'9\' then 1 else 0 end) as 九月份,
sum(case month(createTime) when \'10\' then 1 else 0 end) as 十月份,
sum(case month(createTime) when \'11\' then 1 else 0 end) as 十一月份,
sum(case month(createTime) when \'12\' then 1 else 0 end) as 十二月份,
year(createTime) as year
from fire_disaster
where year(createTime) in(\'2015\',\'2016\',\'2017\',\'2018\') group by  year;

参考地址: https://blog.csdn.net/w3chhhhhh/article/details/54097890