代码是这样的 ******${switch(rylx,"所负责的项目",",leader_name as renyuan ","(总院领导)所主管的项目",",approver_name as renyuan ","(部门领导)所分管的项目",",auditor_name as renyuan ","所负责的外委课题",",responsible_user_name as renyuan ","筛选条件:无","")} from ****** where 1=1 ${if(rylx = "筛选条件:无","",if(len(renyuan) == 0,"","and renyuan = '" + renyuan + "'"))} 我在数据集里预览下拉框为所负责的项目 renyuan选择不在所负责项目里有数据的时候 在数据集里是空的 但是我的网页上报错提示找不到 错误代码:11300001 数据集 配置错误Unknown column 'renyuan' in 'where clause'