19 lines
243 B
Markdown
19 lines
243 B
Markdown
|
# RectInt::GetTop
|
||
|
|
|
||
|
|
```cpp
|
||
|
|
int32_t GetTop() const
|
||
|
|
```
|
||
|
|
|
||
|
|
获取矩形上边界。
|
||
|
|
|
||
|
|
**返回：** `int32_t` - 上边界坐标 (y)
|
||
|
|
|
||
|
|
**复杂度：** O(1)
|
||
|
|
|
||
|
|
**示例：**
|
||
|
|
|
||
|
|
```cpp
|
||
|
|
RectInt rect(10, 20, 100, 50);
|
||
|
|
int32_t top = rect.GetTop(); // 20
|
||
|
|
```
|