问题描述
import {Container,inject} from "inversify";
import {buildproviderModule,provide} from "inversify-binding-decorators";
import "reflect-Metadata";
export interface Weapon {
hit(): string
}
@provide("Weapon")
export class Katana implements Weapon {
public hit() {
return "cut!";
}
}
@provide(Ninja)
export class Ninja {
private weapon: Weapon;
constructor(@inject("Weapon") weapon: Weapon) {
this.weapon = weapon;
}
fight() {
return this.weapon.hit()
}
}
try {
const container = new Container();
container.load(buildproviderModule());
const ninja = container.get(Ninja);
console.log(ninja.fight())
console.log("success")
} catch (e) {
console.error(e)
}
console.log("done")
重构后,这是新的文件结构:
ioc/
node_modules/
src/
warrior.ts
weapon.ts
main.ts
package.json
package-lock.json
tsconfig.json
它们具有相同的逻辑,只是分开了:
warrior.ts:
import "reflect-Metadata";
import {provide} from "inversify-binding-decorators";
import {inject} from "inversify";
import {Weapon} from "./weapon";
@provide(Ninja)
export class Ninja {
private weapon: Weapon;
constructor(@inject("Weapon") weapon: Weapon) {
this.weapon = weapon;
}
fight() {
return this.weapon.hit()
}
}
weapon.ts:
import {provide} from "inversify-binding-decorators";
export interface Weapon {
hit(): string
}
@provide("Weapon")
export class Katana implements Weapon {
public hit() {
return "cut!";
}
}
main.ts:
import {Container} from "inversify";
import {buildproviderModule} from "inversify-binding-decorators";
import "reflect-Metadata";
import {Ninja} from "./src/warrior";
try {
const container = new Container();
container.load(buildproviderModule());
const ninja = container.get(Ninja);
console.log(ninja.fight())
console.log("success")
} catch (e) {
console.error(e)
}
console.log("done")
但是现在它在const ninja = container.get(Ninja);
上失败,错误为Error: No matching bindings found for serviceIdentifier: Weapon
。
知道什么问题吗?
解决方法
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