Function php class library that generates excel files to specified directories

<?php
function import($class, $baseUrl = '', $ext='.class.php') {
    static $_file = array();
    $class = str_replace(array('.', '#'), array('/', '.'), $class);
    if ('' === $baseUrl && false === strpos($class, '/')) {
        // 检查别名导入
        return alias_import($class);
    }
    if (isset($_file[$class . $baseUrl]))
        return true;
    else
        $_file[$class . $baseUrl] = true;
    $class_strut = explode('/', $class);
    if (empty($baseUrl)) {
        if ('@' == $class_strut[0] || APP_NAME == $class_strut[0]) {
            //加载当前项目应用类库
            $baseUrl = dirname(LIB_PATH);
            $class = substr_replace($class, basename(LIB_PATH).'/', 0, strlen($class_strut[0]) + 1);
        }elseif ('think' == strtolower($class_strut[0])){ // think 官方基类库
            $baseUrl = CORE_PATH;
            $class = substr($class,6);
        }elseif (in_array(strtolower($class_strut[0]), array('org', 'com'))) {
            // org 第三方公共类库 com 企业公共类库
            $baseUrl = LIBRARY_PATH;
        }else { // 加载其他项目应用类库
            $class = substr_replace($class, '', 0, strlen($class_strut[0]) + 1);
            $baseUrl = APP_PATH . '../' . $class_strut[0] . '/'.basename(LIB_PATH).'/';
        }
    }

Importing the required class library is the same as java's Import

This function has caching function

@param string $class class library namespace string

@param string $baseUrl starting path

@param string $ext imported file extension

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