select detail.sales_organization as 销售组织,detail.customer_group as 客户名称缩写from dvm_sls_cytb_detail detailwhere 1=1 ${if(len(kh2)=0&&len(khjt)=0,"",if(len(kh2)>0,"and detail.customer_group in ('"+kh2+"')","and detail.customer_group in ('"+khjt+"')"))}如何将where条件后面的参数,放在select后面,使用case when 客户名称缩写选择了几个显示几个,另外的显示为其他,未选择时,展示全部。大佬救急...请问这种如何写?