# cloud-game-node

**Repository Path**: zlApp/cloud-game-node

## Basic Information

- **Project Name**: cloud-game-node
- **Description**: node版本云游戏
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-01-03
- **Last Updated**: 2024-01-03

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# 橙子记账本接口管理服务

## 统计查询

### 按照日期进行分组并把对应的值统一放入到一个数组

```js
{ $group: { _id: '$dateTime', userList: { $push: { userCode: '$userCode', money: '$money' } } } },
```

### 按照日期进行分组并统计其所有花销的总和

```js
{ $group: { _id: '$dateTime', money: { $sum: '$money' } } },
```

### 按照日期进行分组并统计其出现的次数

```js
{ $group: { _id: '$dateTime', count: { $sum: 1 } } },
```

### mysql8 以上 连接失败

```
https://blog.csdn.net/HertzDL/article/details/127978360
```