[quote=引用 3 楼 js14982 的回复:] where 1=1 and (cjz=:cjz or :cjz is null) and (start_time=:start_time or :start_time is null) and (end_time=:end_time or :end_time is null)
where 1=1 and (cjz=:cjz or :cjz is null) and (start_time=:start_time or :start_time is null) and (end_time=:end_time or :end_time is null)
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