mirror of
https://gitee.com/ShopeX/OMS
synced 2026-03-23 02:45:33 +08:00
388 lines
11 KiB
PHP
388 lines
11 KiB
PHP
<?php
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/**
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* Copyright © ShopeX （http://www.shopex.cn）. All rights reserved.
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* See LICENSE file for license details.
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*/
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class eccommon_math{
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public $operationDecimals = 1; //运算精度
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public $operationCarryset = 1; //运算进位方式
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public $goodsShowDecimals = 1; //运算显示精度
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public $goodsShowCarryset = 1; //运算显示进位方式
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public $operationFunc = null; //运算function
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public $displayFunc = null; //显示function
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/**
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* __construct
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* @return mixed 返回值
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*/
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public function __construct(){
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$this->operationDecimals = app::get('eccommon')->getConf('site.decimal_digit.count'); //运算精度
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$this->operationCarryset = app::get('eccommon')->getConf('site.decimal_type.count'); //运算进位方式
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$this->goodsShowDecimals = app::get('eccommon')->getConf('site.decimal_digit.display'); //运算显示精度
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$this->goodsShowCarryset = app::get('eccommon')->getConf('site.decimal_type.display'); //运算显示进位方式
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switch( $this->operationCarryset ){
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case "1": //四舍五入
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$this->operationFunc = 'round';
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break;
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case "2": //向上取整
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$this->operationFunc = 'ceil';
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break;
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case "3": //向下取整
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$this->operationFunc = 'floor';
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break;
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default: //四舍五入
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$this->operationFunc = 'round';
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break;
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}
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switch( $this->goodsShowCarryset ){
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case "1": //四舍五入
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$this->displayFunc = 'round';
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break;
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case "2": //向上取整
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$this->displayFunc = 'ceil';
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break;
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case "3": //向下取整
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$this->displayFunc = 'floor';
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break;
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default: //四舍五入
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$this->displayFunc = 'round';
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break;
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}
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}
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/**
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* 相加运算
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* @params array - or string
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* @return 运算结果
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*/
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public function number_plus($numbers='')
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{
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// 异常处理
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if ($numbers === null)
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{
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trigger_error("参数不能为空！", E_USER_ERROR);exit;
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}
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// 开始运算
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if(!is_array($numbers))
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return $this->getOperationNumber($numbers, true);
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$rs = 0;
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foreach( $numbers as $n ){
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//$rs += $this->getOperationNumber($n);
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$n = trim($n);
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if (function_exists("bcadd"))
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$rs = bcadd(strval($rs), strval($n), 3);
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else
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{
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if (is_null($rs) || $rs === '' || $rs === 0)
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$rs = '0';
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if (is_null($n) || $n === '' || $n === 0)
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$n = '0';
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$sql = "SELECT " . strval($rs) . " + " . strval($n) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$rs = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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}
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}
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return $this->getOperationNumber($rs, true);
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}
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/**
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* 相减运算
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* @params 需要运算的数据，数组、数值等
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* @return 运算结果 string
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*/
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public function number_minus( $numbers='' )
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{
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// 异常处理
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if ($numbers === null)
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{
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trigger_error("参数不能为空！", E_USER_ERROR);exit;
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}
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if(!is_array($numbers))
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return $this->getOperationNumber($numbers, true);
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//$rs = $this->getOperationNumber( $numbers[0] );
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$rs = strval($numbers[0]);
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for( $i = 1; $i<count($numbers); $i++ ){
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//$rs -= $this->getOperationNumber( $numbers[$i] );
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$numbers[$i] = trim($numbers[$i]);
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if (function_exists("bcsub"))
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$rs = bcsub(strval($rs), strval($numbers[$i]), 3);
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else
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{
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if (is_null($rs) || $rs === '' || $rs === 0)
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$rs = '0';
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if (is_null($numbers[$i]) || $numbers[$i] === '' || $numbers[$i] === 0)
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$numbers[$i] = '0';
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$sql = "SELECT " . strval($rs) . " - " . strval($numbers[$i]) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$rs = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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}
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}
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return $this->getOperationNumber($rs, true);
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}
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/**
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* 乘运算
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* @params 需要运算的数据，数组、数值等
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* @return 运算结果 string
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*/
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public function number_multiple($numbers = ''){
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// 异常处理
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if ($numbers === null)
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{
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trigger_error("参数不能为空！", E_USER_ERROR);exit;
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}
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if(!is_array($numbers))
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return $this->getOperationNumber($numbers, true);
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$rs = 1;
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foreach( $numbers as $n ){
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$n = trim($n);
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if (function_exists("bcmul"))
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$rs = bcmul(strval($rs), strval($n), 3);
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else
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{
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if (is_null($rs) || $rs === '' || $rs === 0)
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$rs = '0';
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if (is_null($n) || $n === '' || $n === 0)
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$n = '0';
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$sql = "SELECT " . strval($rs) . " * " . strval($n) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$rs = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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}
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}
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return $this->getOperationNumber($rs, true);
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}
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/**
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* 除运算
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* @params 需要运算的数据，数组、数值等
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* @return 运算结果 string
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*/
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public function number_div($numbers = '')
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{
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// 异常处理
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if ($numbers === '' || $numbers === 0 || $numbers === null)
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{
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trigger_error("参数异常！", E_USER_ERROR);exit;
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}
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if(!is_array($numbers))
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return $this->getOperationNumber($numbers, true);
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$rs = $numbers[0];
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for( $i = 1; $i<count($numbers); $i++ ){
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//$rs = $this->getOperationNumber( $rs * $this->getOperationNumber($n) );
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$numbers[$i] = trim($numbers[$i]);
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if (function_exists("bcdiv"))
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$rs = bcdiv(strval($rs), strval($numbers[$i]), 3);
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else
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{
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if (is_null($rs) || $rs === '' || $rs === 0)
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$rs = '0';
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$sql = "SELECT " . strval($rs) . " / " . strval($numbers[$i]) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$rs = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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}
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}
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return $this->getOperationNumber($rs, true);
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}
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/**
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* 取得系统设定的商品价格进位方式后的数值 - 向下取整
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* @params 需要处理的数据，string
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* @params 需要的精度,string
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* @return 进位后商品价格 string
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*/
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public function get( $number = '', $decimals ){
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if ($number === null)
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{
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$money = intval($money);
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}
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$result = call_user_func_array( $this->displayFunc , array($number * pow( 10 , $decimals)) );
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if (function_exists("bcdiv"))
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$result = bcdiv(strval($result), strval(pow( 10 , $decimals)), $this->operationDecimals);
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else
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{
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if (is_null($result) || $result === '' || $result === 0)
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$result = '0';
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$sql = "SELECT " . strval($result) . " / " . strval(pow( 10 , $decimals)) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$result = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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}
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return $result;
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}
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/**
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* getOperationNumber 取得系统设定的运算价格进位方式后的数值
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* @params 需要精确的位数
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* @params boolean is_display 是显示还是不是显示
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* @return float 进位后 运算 价格
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*/
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public function getOperationNumber( $number = 0, $is_count=true ){
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if ($number === null)
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{
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$number = intval($number);
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}
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if ($is_count)
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{
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$result = call_user_func_array( $this->operationFunc , array(floatval($number) * pow( 10 , $this->operationDecimals)) );
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if (function_exists("bcdiv"))
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$result = bcdiv(strval($result), strval(pow( 10 , $this->operationDecimals)), $this->operationDecimals);
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else
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{
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if (is_null($result) || $result === '' || $result === 0)
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$result = '0';
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$sql = "SELECT " . strval($result) . " / " . strval(pow( 10 , $this->operationDecimals)) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$result = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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$result = number_format(call_user_func_array( $this->operationFunc , array($result, $this->operationDecimals) ), $this->operationDecimals, '.', '');
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}
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return $result;
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}
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else
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{
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$result = call_user_func_array( $this->displayFunc , array($number * pow( 10 , $this->goodsShowDecimals)) );
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if (function_exists("bcdiv"))
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$result = bcdiv(strval($result), strval(pow( 10 , $this->goodsShowDecimals)), $this->goodsShowDecimals);
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else
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{
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if (is_null($result) || $result === '' || $result === 0)
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$result = '0';
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$sql = "SELECT " . strval($result) . " / " . strval(pow( 10 , $this->goodsShowDecimals)) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$result = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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$result = number_format(call_user_func_array( $this->operationFunc , array($result, $this->goodsShowDecimals) ), $this->goodsShowDecimals, '.', '');
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}
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return $result;
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}
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}
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/**
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* formatNumber
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* @param mixed $number number
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* @param mixed $display_decimals display_decimals
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* @param mixed $operation_carryset operation_carryset
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* @return mixed 返回值
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*/
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public function formatNumber($number = '', $display_decimals='2', $operation_carryset='0')
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{
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switch( $operation_carryset ){
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case "0": //四舍五入
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$operationFunc = 'round';
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break;
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case "1": //向上取整
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$operationFunc = 'ceil';
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break;
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case "2": //向下取整
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$operationFunc = 'floor';
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break;
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default: //四舍五入
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$operationFunc = 'round';
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break;
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}
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$result = call_user_func_array( $operationFunc , array($number * pow( 10 , $display_decimals)) );
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if (function_exists("bcdiv"))
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$result = bcdiv(strval($result), strval(pow( 10 , $display_decimals)), $display_decimals);
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else
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{
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if (is_null($result) || $result === '' || $result === 0)
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$result = '0';
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$sql = "SELECT " . strval($result) . " / " . strval(pow( 10 , $display_decimals)) . " AS nums";
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try {
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$row = kernel::database()->select($sql);
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$result = $row[0]['nums'];
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}
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catch (Exception $e)
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{
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trigger_error($sql.':'.$e->getMessage(),E_USER_WARNING);exit;
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}
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$result = number_format(call_user_func_array( $this->operationFunc , array($result, $display_decimals) ), $display_decimals, '.', '');
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}
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return $result;
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}
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}
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?>
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