语句是这么写的: ${if(len(ren) == 0,"","and a.lastname in ('" + ren + "')")} ${if(len(bxrqFrom) == 0,"","and a.bxrq >= '" + bxrqFrom + "'")} ${if(len(bxrqTo) == 0,"","and a.bxrq <= '" + bxrqTo + "'")} |
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