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gg-thinkorm

v1.0.1

Published

对thinkorm做了点小修改

Downloads

2

Readme

介绍

npm version Build Status Dependency Status

A flexible, lightweight and powerful Object-Relational Mapper for Node.js.

ThinkORM是一个可扩展轻量级的功能丰富的对象-关系映射的数据模型封装框架,使用Node.js实现。

如同SQL语言发明一样,ThinkORM试图用一种抽象的统一操作语言,尽量保持各种数据库书写语法一致,用户专注于数据操作逻辑而非具体的数据存储类型,达到快速开发和移植的目的。

let info = await model.where({id: {'<>': 1, '>=': 0}, name: 'bb', or: [{name: 'aa'}, {name: 'cc'}]}).find();

项目地址: Git Repo

特性

  1. 基于Knex.js实现,支持 Mysql/MariaDB, PostgresSql, SQLite3, Oracle, MSSQL. (即将支持MongoDB)

  2. 抽象的面向对象式SQL操作语言,保持各种数据库书写语法一致,方便开发和项目迁移

  3. 支持schema定义数据结构,支持严格的类型检查;支持数据结构迁移到数据库,通过migrate方法调用

  4. 支持hasone,hasmany,manytomany关联查询

  5. 支持left,right,inner join查询,支持count,sum,group查询

  6. 支持连接池配置.支持数据链接检测以及自动重联,数据库服务的宕机修复后无需重启应用

  7. 支持事务操作,包括同模型、跨模型、并行事务(Mysql/MariaDB, PostgresSql)

  8. 支持数据自动验证以及自定义规则验证,且规则可扩展

  9. 支持前置、后置逻辑处理

安装

npm install thinkorm --save

使用

//class User.js
const {BaseModel, helper} = require('thinkorm');

const User = class extends BaseModel {
    // 构造方法
    init(){
        // 模型名称,映射实体表 user
        this.modelName = 'user';
        // 数据表字段信息
        this.fields = {
            id: {
                type: 'integer',
                pk: true
            },
            name: {
                type: 'string',
                size: 30,
                index: true,
                defaults: ''
            }
        };
    }
}

//CURD
const userModel = new User(config);
// add
let result = await userModel.add({"name": "张三"});

// delete
result = await userModel.where({id: 1}).delete();

// update
result = await userModel.where({id: 2}).update({"name": "李四"});

// select 
result = await userModel.where({id: 3}).find(); //limit 1
result = await userModel.where({"name": {"<>": ""}}).select(); //query name is not null

文档

https://www.thinkkoa.org/orm/

贡献者

  • richenlin
  • richerdlee

协议

MIT