143标准黄页申请信息数据源3数据源标签 ZL_PageReg LEFT JOIN ZL_Reg_Page ON ZL_PageReg.InfoID=ZL_Reg_Page.ID ZL_PageReg.*,ZL_Reg_Page.* ZL_PageReg.ID={$GetRequest(PageID)$} 10 0 0 计数判断 循环计算 等于 0 {"ds_m":"main","ds_s":"main","tb_m":"ZL_PageReg","tb_s":"ZL_Reg_Page"}