Description or Example
# 核心代码
```java
@GetMapping("/deleteItem")
public String deleteCartItem(@RequestParam Long skuId) {
cartService.deleteCartItem(skuId);
return "redirect:http://cart.bitmall.com/cart.html";
}
```
```java
@Override
public void deleteCartItem(Long skuId) {
BoundHashOperations<String, Object, Object> hashHandle = getHashHandle();
hashHandle.delete(skuId.toString());
}
```