func refreshData() {
ZLMSaleAPI.requestSaleData{[unowned self](result,error) in
if error != nil{
print(error as Any)//暂时做打印处理
}else{
let json = JSON(result as Any)//SwiftyJSON将获取到的数据解析成json
let focusImagesColumns = JSONDeserializer<ZLMSaleColumns>.deserializeFrom(json:json["focusImages"].description)//HandyJSON将其映射到BaseModel中去
self.focusImagesColumns = focusImagesColumns
let listArray = self.focusImagesColumns.list
self.listArr = listArray!//将focusImages下的list映射到pic所在的model中
}