markdown语法typora（下）

    pie 
    title Pets adopted by volunteers
    "Dogs" : 386
    "Cats" : 85
    "Rats" : 15 

stateDiagram 
    Start --> First
    First --> Second
    First --> Third
    Second --> End
    Third --> End
    state First {
        [*] --> fir
        fir --> [*]
    }
    state Second {
        [*] --> sec
        sec --> [*]
    }
    state Third {}

classDiagram
      Animal <|-- Duck
      Animal <|-- Fish
      Animal <|-- Zebra
      Animal : int age
      Animal : String gender
      Animal: isMammal()
      Animal: mate()
      class Duck{
          String beakColor
          swim()
          quack()
      }
      class Fish{
          int sizeInFeet
          canEat()
      }
      class Zebra{
          bool is_wild
          run()
          eat()
      }