我要评论# 初始化
typeorm init --name mysite --database mysql --express
# 目录结构
│ ormconfig.json
│ package-lock.json
│ package.json
│ tsconfig.json
│
└─src
│ index.ts
│ routes.ts
│
├─controller
│ UserController.ts
│
├─entity
│ User.ts
│
└─migration
//ormconfig.json
{
"type": "mysql",
"host": "localhost",
"port": 3306,
"username": "test",
"password": "test",
"database": "test",
"synchronize": true,
"logging": false,
"entities": [
"src/entity/**/*.ts"
],
"migrations": [
"src/migration/**/*.ts"
],
"subscribers": [
"src/subscriber/**/*.ts"
],
"cli": {
"entitiesDir": "src/entity",
"migrationsDir": "src/migration",
"subscribersDir": "src/subscriber"
}
}
//tsconfig.json
{
"compilerOptions": {
"lib": [
"es5",
"es6"
],
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"outDir": "./build",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"sourceMap": true
}
}
// src/index.ts
import "reflect-metadata";
import {createConnection} from "typeorm";
import * as express from "express";
import * as bodyParser from "body-parser";
import {Request, Response} from "express";
import {Routes} from "./routes";
import {User} from "./entity/User";
createConnection().then(async connection => {
// create express app
const app = express();
app.use(bodyParser.json());
// register express routes from defined application routes
Routes.forEach(route => {
(app as any)[route.method](route.route, (req: Request, res: Response, next: Function) => {
const result = (new (route.controller as any))[route.action](req, res, next);
if (result instanceof Promise) {
result.then(result => result !== null && result !== undefined ? res.send(result) : undefined);
} else if (result !== null && result !== undefined) {
res.json(result);
}
});
});
// setup express app here
// ...
// start express server
app.listen(3000);
// insert new users for test
await connection.manager.save(connection.manager.create(User, {
firstName: "Timber",
lastName: "Saw",
age: 27
}));
await connection.manager.save(connection.manager.create(User, {
firstName: "Phantom",
lastName: "Assassin",
age: 24
}));
console.log("Express server has started on port 3000. Open http://localhost:3000/users to see results");
}).catch(error => console.log(error));
// src/routes.ts
import {UserController} from "./controller/UserController";
export const Routes = [{
method: "get",
route: "/users",
controller: UserController,
action: "all"
}, {
method: "get",
route: "/users/:id",
controller: UserController,
action: "one"
}, {
method: "post",
route: "/users",
controller: UserController,
action: "save"
}, {
method: "delete",
route: "/users/:id",
controller: UserController,
action: "remove"
}];
// src/controller/UserController.ts
import {getRepository} from "typeorm";
import {NextFunction, Request, Response} from "express";
import {User} from "../entity/User";
export class UserController {
private userRepository = getRepository(User);
async all(request: Request, response: Response, next: NextFunction) {
return this.userRepository.find();
}
async one(request: Request, response: Response, next: NextFunction) {
return this.userRepository.findOne(request.params.id);
}
async save(request: Request, response: Response, next: NextFunction) {
return this.userRepository.save(request.body);
}
async remove(request: Request, response: Response, next: NextFunction) {
let userToRemove = await this.userRepository.findOne(request.params.id);
await this.userRepository.remove(userToRemove);
}
}
// src/entity/User.ts
import {Entity, PrimaryGeneratedColumn, Column} from "typeorm";
@Entity()
export class User {
@PrimaryGeneratedColumn()
id: number;
@Column()
firstName: string;
@Column()
lastName: string;
@Column()
age: number;
}
本文地址：https://blog.csdn.net/qq_27664967/article/details/107362467
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