koatty_cli v3.12.2

koatty_cli

Koatty command line tool.

Usage

Create koatty project

koatty new projectName

cd ./projectName

yarn install  // or npm i

npm start

Create a module in the koatty project

• 1.Create a Controller

// http controller
kt controller test

// grpc controller
kt controller -t grpc test

// websocket controller
kt controller -t websocket test

• 2.Create a Service

kt service test

// service with interface
kt service -i test

• 3.Create a Middleware

kt middleware test

• 4.Create a Model

//default use typeorm
kt model test

• 5.Create a Aspect

定义切面类:

kt aspect test

使用切面：

@Controller()
@BeforeEach("TestAspect")  //类的每一个方法执行之前执行
export class TestController {
    app: App;

    @RequestMapping("/test", RequestMethod.ALL)
    @After("TestAspect") //test方法执行之前执行
    async test() {
        const info = await this.testService.test();
        return this.body(info);
    }
}

• 6.Create a DTO class

定义数据验证类:

kt dto test

修改数据验证类:

export class TestDTO {
    @IsNotEmpty()
    name: string;

    @Min(0)
    @Max(120)
    age: number;
}

使用实体类进行验证：

@Controller()
export class TestController {
    app: App;

    @RequestMapping("/test", RequestMethod.ALL)
    @Validated() // <== 开启验证   
    async test(@Get() param: TestDTO) { // <== 指定DTO
        const info = await this.testService.test();
        return this.body(info);
    }
}

Create Koatty Extension Project

• 1、Create a Middleware Project

kt new projectName -t middleware

cd ./projectName

yarn install  // or npm i

npm start

• 2、Create a Plugin Project

kt new projectName -t plugin

cd ./projectName

yarn install  // or npm i

npm start