内容纲要
Emoji
:fire:
插入Bilibili视频，选择嵌入代码
KaTeX 区块：
f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi区块识别代码： katax
KaTex 行內：
f(x) = \int_{-\infty}^\infty\hat f(\xi)\,e^{2 \pi i \xi x}\,d\xi
mermaid
sequenceDiagram
participant Alice
participant Bob
Alice->>John: Hello John, how are you?
loop Healthcheck
John->>John: Fight against hypochondria
end
Note right of John: Rational thoughts
John-->>Alice: Great!
John->>Bob: How about you?
Bob-->>John: Jolly good!流程图
st=>start: User login
op=>operation: Operation
cond=>condition: Successful Yes or No?
e=>end: Into admin
st->op->cond
cond(yes)->e
cond(no)->op顺序图
A->B: Message
B->C: Message
C->A: Message
nice