maochaoying 2 years ago
parent
commit
114b4d61fe
  1. 12
      src/data/index.js
  2. 3
      src/flow/index.js
  3. 3
      src/service/AccountService.js

12
src/data/index.js

@ -0,0 +1,12 @@
class Singleton {
static getInstance() {
if (!Singleton.instance) {
Singleton.instance = new Singleton();
}
return Singleton.instance;
}
}
const s1 = Singleton.getInstance();
const s2 = Singleton.getInstance();
console.log(s1 === s2); // true

3
src/flow/index.js

@ -0,0 +1,3 @@
class Flow {}
module.exports = new Flow();

3
src/service/AccountService.js

@ -0,0 +1,3 @@
class AccountService {}
module.exports = new AccountService();
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