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- <?php
- /**
- * Created by PhpStorm.
- * User: Administrator
- * Date: 2019/7/16
- * Time: 17:46
- */
- //保留小数位数
- function floatPointDigit($data, $long = 2)
- {
- $long = intval($long);
- $for1 = "%." . $long . "f";
- $for2 = "%." . ($long + 1) . "f";
- return sprintf($for1, substr(sprintf($for2, $data), 0, -1));
- }
- /**
- * UUID 生成
- */
- function UUID()
- {
- $prefix = '';
- $uuid = '';
- $str = md5(uniqid(mt_rand(), true));
- $uuid = substr($str, 0, 8) . '-';
- $uuid .= substr($str, 8, 4) . '-';
- $uuid .= substr($str, 12, 4) . '-';
- $uuid .= substr($str, 16, 4) . '-';
- $uuid .= substr($str, 20, 12);
- return $prefix . $uuid;
- }
- //把订单转为带字符串的包裹的字符
- function orders_to_str($order_array)
- {
- return array_map(function ($i) {
- return strval("'$i'");
- }, $order_array);
- }
- //把订单转为带字符串的包裹的字符
- function orders_to_strval($order_array)
- {
- return array_map(function ($i) {
- return strval($i);
- }, $order_array);
- }
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