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youngkingoo6/laravel-amount
===========================

v1.0.1(4y ago)021PHP

Since Sep 18Pushed 4y ago1 watchersCompare

[ Source](https://github.com/Youngkingoo6/laravel-amount)[ Packagist](https://packagist.org/packages/youngkingoo6/laravel-amount)[ RSS](/packages/youngkingoo6-laravel-amount/feed)WikiDiscussions master Synced 2d ago

READMEChangelog (1)DependenciesVersions (4)Used By (0)

laravel-amount
==============

[](#laravel-amount)

> 原作者:

背景
--

[](#背景)

系统中涉及到金额的字段，View 层表现的时候一般都是以**元**为单位使用小数形式展示，不过 Domain 层存储时从空间、性能、容错角度出发，经常以**分**为单位，用整型来存储。

在 Lavarel 中，可以在 Model 中添加属性方法进行转换

```
public function getAmountAttribute($value)
{
    return $value / 100;
}

public function setAmountAttribute($value)
{
    $this->attributes['amount'] = (int)($value * 100);
}
```

不过涉及金额的字段比较多时就需要定义很多相同逻辑的函数，本项目即将该逻辑抽出为 Trait，简化金额字段相关的处理。

原理
--

[](#原理)

将转换逻辑封装在 AmountTrait 中，覆写 Model 类的 getMutatedAttributes, mutateAttributeForArray, getAttributeValue 及 setAttribute 方法，当访问相关字段时自动进行转换处理。

```
public static $amountTimes = 100;

public function getMutatedAttributes()
{
    $attributes = parent::getMutatedAttributes();
    return array_merge($attributes, $this->getAmountFields());
}

protected function mutateAttributeForArray($key, $value)
{
    return (in_array($key, $this->getAmountFields()))
        ? (function_exists('bcdiv') ? bcdiv($value, self::$amountTimes, 2) : $value / self::$amountTimes)
        : parent::mutateAttributeForArray($key, $value);
}

public function getAttributeValue($key)
{
    $value = parent::getAttributeValue($key);
    if(function_exists('bcdiv')){
        $value = bcdiv($value, self::$amountTimes,2);
    }else{
        $value = $value / self::$amountTimes;
    }

    return $value;
}

public function setAttribute($key, $value)
{
    if (in_array($key, $this->getAmountFields())) {
          if(function_exists('bcmul')){
              $value = (int)bcmul($value, self::$amountTimes);
          }else{
              $value = (int)($value * self::$amountTimes);
          }
    }
    parent::setAttribute($key, $value);
}

public function getAmountFields()
{
    return (property_exists($this, 'amountFields')) ? $this->amountFields : [];
}
```

依赖
--

[](#依赖)

Laravel >= 5.2

安装
--

[](#安装)

```
composer require "youngkingoo6/laravel-amount:dev-master"

```

使用
--

[](#使用)

1. 在 Model 中引用 AmountTrait

```
use Youngkingoo6\LaravelAmount\Traits\AmountTrait;
```

2. 使用 AmountTrait

```
use AmountTrait;
```

3. 定义金额字段（本例中为 amount）

```
protected $amountFields = ['amount'];
```

4. 完成

之后读取 amount 字段时，该字段的内容会自动从数据库的**分**转换为**元**，向其赋值时反之从**元**转换为**分**。

5. 中文大写

如需转换为中文金额大写，只需在模型上调用的字段后面加 '\_cny' 即可返回大写金额。

```
$model->amount_cny;

```

如果不想定义 $amountFields 字段，也可以直接调用修改器

```
$model->cny;

```

FAQ
---

[](#faq)

### 和别的 trait 中方法冲突

[](#和别的-trait-中方法冲突)

以 setRawAttributes 为例（此为之前方案，目前并未覆写此方法，仅为举例，其他方法原理相同）

1. 将冲突的方法分别重命名

```
use AmountTrait, BTrait {
    AmountTrait::setRawAttributes as amountTraitSetRawAttributes;
    BTrait::setRawAttributes as BTraitSetRawAttributes;
}
```

2. 在 Model 中定义该冲突的方法，根据情况分别调用别名方法

```
public function setRawAttributes(array $attributes, $sync = false)
{
    $this->BTraitSetRawAttributes($attributes, $sync);
    $attributes = $this->getAttributes();
    $this->amountTraitSetRawAttributes($attributes, $sync);
}
```

> 注意这里 $attributes 可能已被改变，所以再次使用时要重新取得最新值

###  Health Score

28

—

LowBetter than 54% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity6

Limited adoption so far

Community9

Small or concentrated contributor base

Maturity65

Established project with proven stability

 Bus Factor1

Top contributor holds 50% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~1822 days

Total

2

Last Release

1700d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/10043794?v=4)[Yking](/maintainers/Youngkingoo6)[@Youngkingoo6](https://github.com/Youngkingoo6)

---

Top Contributors

[![hao-li](https://avatars.githubusercontent.com/u/11334645?v=4)](https://github.com/hao-li "hao-li (8 commits)")[![Youngkingoo6](https://avatars.githubusercontent.com/u/10043794?v=4)](https://github.com/Youngkingoo6 "Youngkingoo6 (8 commits)")

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```

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