OpinionTableViewCell* cell=[_Opiniontabelview cellForRowAtIndexPath:indexPath];
或者
IopenshopTableViewCell *cell = [_texttabelview cellForRowAtIndexPath:[NSIndexPath indexPathForRow:i inSection:0]];
if (cell) {
if(cell.inputwardTF.text.length <1){
switch (i) {
case 0:
NSLog(@"您输入的店铺名字为空");
break;
case 1:
NSLog(@"您输入的店铺地址为空");
break;
case 2:
NSLog(@"您输入的法人信息空");
break;
case 3:
NSLog(@"您输入的联系方式为空");
break;
case 4:
NSLog(@"您输入的营业执照为空");
break;

                default:
                    break;
            }
            return;
        }
        [infoArr addObject:cell.inputwardTF.text];