zwei/loan-calculator 包

贷款计算器, 生成还款和回款计划, 支持任意精度的数字

支持还款方式

安装前准备

php5.4以上版本 bcmath扩展 http://php.net/manual/zh/book.bc.php 创建composer.json文件,并写入以下内容:

{ "require": { "zwei/loan-calculator": "dev-master" } }

执行composer install

计算器

使用示例(use)

例如项目目录在"E:webphp7test" 创建index.php,并加入以下内容

<?php include_once 'vendor/autoload.php'; use ZweiLoanCalculatorCalculatorEqualTotalPaymentCalculator; use ZweiLoanCalculatorCalculatorEqualPrincipalPaymentCalculator; use ZweiLoanCalculatorCalculatorMonthlyInterestPaymentCalculator; use ZweiLoanCalculatorCalculatorOncePayPrincipalInterestPaymentCalculator; use ZweiLoanCalculatorPaymentCalculatorFactory; $principal = 50000;// 本金 $yearInterestRate = "0.10";// 年利率10% $months = 12;// 借款12个月 $time = strtotime("2018-03-20 10:05");// 借款时间 $decimalDigits = 2;// 保留小数点后3位,默认保留2位 // 等额本金计算器 $obj = PaymentCalculatorFactory::getPaymentCalculatorObj(PaymentCalculatorFactory::TYPE_EQUAL_PRINCIPAL, $principal, $yearInterestRate, $month, 0); $lists = $obj->getPlanLists(); print_r($lists); // 等额本息计算器 $obj = PaymentCalculatorFactory::getPaymentCalculatorObj(PaymentCalculatorFactory::TYPE_EQUAL_TOTAL_PAYMENT, $principal, $yearInterestRate, $month, 0); $lists = $obj->getPlanLists(); print_r($lists); // 每月还息到期还本还款方式计算器 $obj = PaymentCalculatorFactory::getPaymentCalculatorObj(PaymentCalculatorFactory::TYPE_MONTHLY_INTEREST, $principal, $yearInterestRate, $month, 0); $lists = $obj->getPlanLists(); print_r($lists); // 一次性还本付息还款方式计算器 $obj = PaymentCalculatorFactory::getPaymentCalculatorObj(PaymentCalculatorFactory::TYPE_ONCE_PAY_PRINCIPAL_INTEREST, $principal, $yearInterestRate, $month, 0); $lists = $obj->getPlanLists(); print_r($lists); // 等额本金计算器 $obj = new EqualPrincipalPaymentCalculator($principal, $yearInterestRate, $months, $time, $decimalDigits); $planLists = $obj->getPlanLists();// 获取还款计划 // 等额本息计算器 $obj = new EqualTotalPaymentCalculator($principal, $yearInterestRate, $months, $time, $decimalDigits); $planLists = $obj->getPlanLists();// 获取还款计划 // 每月还息到期还本还款方式计算器 $obj = new MonthlyInterestPaymentCalculator($principal, $yearInterestRate, $months, $time, $decimalDigits); $planLists = $obj->getPlanLists();// 获取还款计划 // 一次性还本付息还款方式计算器 $obj = new OncePayPrincipalInterestPaymentCalculator($principal, $yearInterestRate, $months, $time, $decimalDigits); $planLists = $obj->getPlanLists();// 获取还款计划

单元测试使用

--bootstrap 在测试前先运行一个 "bootstrap" PHP 文件

D:phpStudyphpphp-7.1.13-ntsphp.exe D:phpStudyphpphp-5.6.27-ntscomposer.phar update

D:phpStudyphpphp-7.1.13-ntsphp.exe vendorphpunitphpunitphpunit --bootstrap tests/TestInit.php tests/