<?php
// 获取今天开始和结束的时间戳
$today_start = strtotime(date('Y-m-d'));
$today_end = $today_start + 86399;
// 获取本周开始和结束的时间戳
$week_start = strtotime('this week Monday', time());
$week_end = $week_start + 6 * 86400;
// 获取本月开始和结束的时间戳
$month_start = strtotime(date('Y-m-01'));
$month_end = strtotime(date('Y-m-t'));
echo "今天开始时间戳： " . $today_start . "
".date('Y-m-d H:i:s',$today_start);
echo "今天结束时间戳： " . $today_end . "
";
echo "本周开始时间戳： " . $week_start . "
";
echo "本周结束时间戳： " . $week_end . "
";
echo "本月开始时间戳： " . $month_start . "
";
echo "本月结束时间戳： " . $month_end . "
";
function dateDifferenceInMonths($startDate, $endDate) {
// 校验参数的合法性
if (!is_string($startDate) || !is_string($endDate)) {
throw new InvalidArgumentException("Both startDate and endDate must be strings.");
}
$start = DateTime::createFromFormat('Y-m-d', $startDate);
$end = DateTime::createFromFormat('Y-m-d', $endDate);
if ($start === false || $end === false) {
throw new InvalidArgumentException("Invalid date format. Use 'Y-m-d'.");
}
if ($start > $end) {
throw new InvalidArgumentException("开始日期必须小于或等于结束日期。");
}
// 计算两个日期之间的月份差
$interval = $start->diff($end);
$months = $interval->y * 12 + $interval->m;
return $months;
}
// 示例用法
$total_loan = 30000; // 总借款额
$annual_interest_rate = 15 / 100; // 年利率
$monthly_interest_rate = $annual_interest_rate / 12; // 月利率
$number_of_payments = 24; // 分期期数
// 初始化数组
$loan_schedule = [];
for ($i = 1; $i <= $number_of_payments; $i++) {
$benjin = $total_loan / $number_of_payments; // 每期本金
$remaining_loan = $total_loan - ($i - 1) * $benjin; // 剩余未还本金
$lixi = $remaining_loan * $monthly_interest_rate; // 每期利息
$price = $benjin + $lixi; // 每期应还总额
// 将结果存入数组
$loan_schedule[] = [
'benjin' => round($benjin, 2),
'lixi' => round($lixi, 2),
'price' => round($price, 2)
];
}
// 输出每期的还款信息
// foreach ($loan_schedule as $key => $payment) {
// echo "第".($key + 1)."期：本金 {$payment['benjin']} 元，利息 {$payment['lixi']} 元，总额 {$payment['price']} 元\r\n";
// }
// $principal = 30000; // 本金
// $interestRate = 0.15; // 利率
// $term = 24; // 借款期限（月）
// $loanDate = '2024-08-01'; // 借款时间
// $monthlyInterestRate = $interestRate / 12;
// $monthlyPayment = $principal * $monthlyInterestRate * pow(1 + $monthlyInterestRate, $term) / (pow(1 + $monthlyInterestRate, $term) - 1);
// $repaymentDetails = [];
// for ($i = 1; $i <= $term; $i++) {
// $interestPayment = $principal * $monthlyInterestRate;
// $principalPayment = $monthlyPayment - $interestPayment;
// $repaymentDetails[] = [
// 'month' => $i,
// 'time' => date('Y-m-d', strtotime($loanDate . " + $i month")),
// 'price' => $monthlyPayment,
// 'benjin' => $principalPayment,
// '利息' => $interestPayment
// ];
// $principal -= $principalPayment;
// }
// echo "<pre>";
// print_r($repaymentDetails);
// echo "</pre>";
// function calculateRepaymentDetails($principal, $interestRate, $term, $loanDate) {
// $monthlyInterestRate = $interestRate / 12;
// $repaymentDetails = [];
// $totalInterest = 0;
// for ($i = 1; $i <= $term; $i++) {
// $interestPayment = $principal * $monthlyInterestRate;
// $totalInterest += $interestPayment;
// if ($i == $term) {
// $totalPayment = $principal + $totalInterest;
// } else {
// $totalPayment = $interestPayment;
// }
// $repaymentDetails[] = [
// 'month' => $i,
// 'time' => date('Y-m-d', strtotime($loanDate . " + $i month")),
// 'price' => $totalPayment,
// 'benjin' => $principal,
// 'lixi' => $interestPayment
// ];
// }
// return $repaymentDetails;
// }
// $principal = 100000.00; // 本金
// $interestRate = 0.05; // 利率
// $term = 24; // 借款期限（月）
// $loanDate = '2024-08-02'; // 借款时间
// $repaymentDetails = calculateRepaymentDetails($principal, $interestRate, $term, $loanDate);
// echo "<pre>";
// print_r($repaymentDetails);
// echo "</pre>";
// function calculateRepayment($principal, $annualRate, $totalMonths, $startDate) {
// $monthlyInterestRate = $annualRate / 12 / 100;
// $repaymentArray = [];
// for ($i = 1; $i <= $totalMonths; $i++) {
// $interest = $principal * $monthlyInterestRate;
// $repaymentAmount = $interest + $principal / $totalMonths;
// $repaymentArray[] = [
// 'month' => $i,
// 'time' => date('Y-m-d', strtotime("+$i months", strtotime($startDate))),
// 'total' => round($repaymentAmount, 2),
// 'benjin' => round($principal / $totalMonths, 2),
// 'lixi' => round($interest, 2)
// ];
// $principal -= $principal / $totalMonths;
// }
// return $repaymentArray;
// }
// $principal = 100000.00;
// $annualRate = 5;
// $totalMonths = 24;
// $startDate = '2024-08-02';
// $result = calculateRepayment($principal, $annualRate, $totalMonths, $startDate);
$str = "{"qdName":"������������","source":"������������","name":"����","phone":"18811111113","price":50000,"house":1,"car":1,"insurance":0,"fund":1,"socital":0,"xyk":0,"wld":1,"qyns":1,"df":1,"business_license":1,"city":"�ɶ���","age":28,"loan_periods":36}";
var_dump(json_decode($str,true));
function calculateRepaymentSchedule($principal, $interestRate, $periods, $loanDate) {
$repaymentSchedule = [];
$monthlyInterestRate = $interestRate / 100 / 12;
$monthlyPrincipal = $principal / $periods;
for ($i = 1; $i <= $periods; $i++) {
$interest = $principal * $monthlyInterestRate;
$totalAmount = $monthlyPrincipal + $interest;
$time = date('Y-m-d', strtotime("$loanDate + $i months"));
$repaymentSchedule[] = [
'month' => $i,
'time' => $time,
'totalAmount' => round($totalAmount, 2),
'benjin' => round($monthlyPrincipal, 2),
'lixi' => round($interest, 2)
];
}
return $repaymentSchedule;
}
$principal = 100000.00;
$interestRate = 5;
$periods = 24;
$loanDate = '2024-08-02';
// $result = calculateRepaymentSchedule($principal, $interestRate, $periods, $loanDate);
// print_r($result);
function generateActivationCode($totalLength) {
// 确保总长度在能形成四段的基础上
if (($totalLength - 3) % 4 != 0) {
throw new Exception("Total length must be a multiple of 4 plus 3 to form 4 segments.");
}
// 计算每段的基础长度（不包括"-"）
$segmentLength = floor(($totalLength - 3) / 4);
// 生成包含50%字母和50%数字的字符串
$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$length = strlen($chars);
$randomString = '';
for ($i = 0; $i < $totalLength - 3; $i++) {
$randomString .= $chars[rand(0, $length - 1)];
}
// 打乱字符串以确保随机性
$randomString = str_shuffle($randomString);
// 分配字母和数字各占50%可能比较复杂，这里简化处理
// 实际上，由于$chars同时包含字母和数字，且随机选择，这已接近50%
// 将字符串分为四段
$segments = str_split($randomString, $segmentLength);
// 添加"-"分隔符
return implode('-', $segments);
}
// 示例：生成一个长度为15（实际字符长度为12，加上3个"-"）的激活码
try {
$activationCode = generateActivationCode(15);
echo $activationCode;
} catch (Exception $e) {
echo "Error: " . $e->getMessage();
}