@Entity() exportclassUser{ @PrimaryGeneratedColumn() id:number; @Column() firstName:string; @Column() lastName:string; } 然后修改src/app.ts: import*asexpressfrom"express"; import{Request,Response}from"express"; import*asbodyParserfrom"body-parser"; import{createConnection}from"typeorm"; import...
Each entity must be registered in your connection options: // step 2, 注册一个实体 import {createConnection, Connection} from "typeorm"; import {User} from "./entity/User"; const connection: Connection = await createConnection({ type: "mysql", host: "localhost", port: 3306, username: "t...
import{Entity,Column,PrimaryGeneratedColumn}from"typeorm"@Entity()exportclassPhoto{@PrimaryGeneratedColumn()id:number@Column({length:100,})name:string@Column("text")description:string@Column()filename:string@Column("double")views:number
@Entity() @Tree("nested-set") exportclassCategory{ @PrimaryGeneratedColumn() id:number; @Column() name:string; @TreeChildren() children:Category[]; @TreeParent() parent:Category; } 物化路径(又名路径枚举) 物化路径(也称为路径枚举)是在数据库中存储树结构的另一种模式。 它简单有效。 例如...
// link.service.tsimport{Injectable}from'@nestjs/common';import{InjectRepository}from'@nestjs/typeorm';import{Repository}from'typeorm';import{CreateLinkDto}from'./dto/create-link.dto';import{UpdateLinkDto}from'./dto/update-link.dto';import{LinkEntity}from'./link.entity';@Injectable()exportclass...
@Entity()exportclassUser{@PrimaryGeneratedColumn()id:number @Column()name:string} 当你将name更改为title时,会发现原有的name下的数据全都丢失了! 因为TypeORM 针对上述操作的 sql 语句是这样的 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
You can create an entity by defining anew classand mark it with@Entity(): // step 1, 创建一个实体import{Entity,PrimaryGeneratedColumn,Column, }from"typeorm"; @Entity()exportclassUser{ @PrimaryGeneratedColumn()id: number; @Column()firstName: string; ...
from "typeorm";createConnection({ driver: { type: "mysql", host: "localhost", port: 3306, username: "root", password: "admin", database: "test" }, entities: [ __dirname + "/entity/*.js" ], autoSchemaSync: true,}).then(connection => { //...
.createQueryBuilder(User, "user") .where("user.isAdmin = :isAdmin", { isAdmin: true }) .cache("users_admins", 25000) .getMany(); // 设置缓存 - repository const users = await connection.getRepository(User).find({ where: { isAdmin: true }, ...
现在保存文件,我们将会得到一个错误,因为TypeORM生成数据库表的时候至少需要一个实体Entity文件。现在我们来src/modules/pokemon目录下创建实体文件pokemon.entity.ts。TypeORM的基本方法了解: Entity:实体装饰器,将一个类声明为一个实体。传入一个字符串作为参数,这个名称将用于生成表的名称,使用方式@Entity('table_name...