第一张图片能读取到数据,第二张就读取不到了?
```![图片说明](https://img-ask.csdn.net/upload/202002/05/1580883344_276560.jpg)![图片说明](https://img-ask.csdn.net/upload/202002/05/1580883354_149470.jpg)
第一张图片能读取到数据,第二张就读取不到了?
```![图片说明](https://img-ask.csdn.net/upload/202002/05/1580883344_276560.jpg)![图片说明](https://img-ask.csdn.net/upload/202002/05/1580883354_149470.jpg)