248 lines
6.8 KiB
PHP
248 lines
6.8 KiB
PHP
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<?php
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namespace excel;
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/**
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* 生成Excel文件类
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*
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*/
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class Excel
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{
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/**
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* excel文档头(返回的行)
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*
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* 依照excel xml规范。
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* @access private
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* @var string
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*/
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private $header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?\>
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<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\"
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xmlns:x=\"urn:schemas-microsoft-com:office:excel\"
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xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\"
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xmlns:html=\"http://www.w3.org/TR/REC-html40\">";
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/**
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* excel页脚
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* 依照excel xml规范。
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*
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* @access private
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* @var string
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*/
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private $footer = "</Workbook>";
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/**
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* 文档行(行数组中)
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*
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* @access private
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* @var array
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*/
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private $lines = array();
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/**
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* 工作表(数组)
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*
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* @access private
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* @var array
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*/
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private $worksheets = array();
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/**
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* 单元格样式
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* @access private
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* @var string
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*/
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private $cellstyle = array();
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/**
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* 默认单元格数据格式
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* @access private
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* @var string
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*/
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private $default_cellformat = "String";
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public function __construct()
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{
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//设置默认样式
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$this->cellstyle['Default'] = '<Style ss:ID="Default" ss:Name="Normal">
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<Alignment ss:Vertical="Center"/>
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<Borders/>
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<Font ss:FontName="宋体" x:CharSet="134" ss:Size="11" ss:Color="#000000"/>
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<Interior/>
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<NumberFormat/>
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<Protection/>
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</Style>';
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}
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/**
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* 添加单行数据
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*
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* @access private
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* @param array 1维数组
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* @todo 行创建
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*/
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private function addRow($array)
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{
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//初始化单元格
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$cells = "";
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//构建单元格
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foreach ($array as $k => $v) {
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$style_str = '';
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if (!empty($v['styleid'])) {
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$style_str = 'ss:StyleID="' . $v['styleid'] . '"';
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}
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$format_str = $this->default_cellformat;
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if (!empty($v['format'])) {
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$format_str = $v['format'];
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}
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$cells .= "<Cell {$style_str} ><Data ss:Type=\"{$format_str}\">{$v['data']}</Data></Cell>\n";
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}
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//构建行数据
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$this->lines[] = "<Row>\n" . $cells . "</Row>\n";
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}
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/**
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* 添加多行数据
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* @access public
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* @param array 2维数组
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* @todo 构造多行
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*/
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public function addArray($array)
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{
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$this->lines = array();
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//构建行数据
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foreach ((array)$array as $k => $v) {
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$this->addRow($v);
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}
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}
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/**
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* 添加工作表
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* @access public
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* @param string $sheettitle 工作表名
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* @todo 构造工作表XML
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*/
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public function addWorksheet($sheettitle)
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{
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//剔除特殊字符
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$sheettitle = preg_replace("/[\\\|:|\/|\?|\*|\[|\]]/", "", $sheettitle);
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//现在,将其减少到允许的长度
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//$sheettitle = substr ($sheettitle, 0, 50);
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$this->worksheets[] = "\n<Worksheet ss:Name=\"$sheettitle\">\n<Table ss:DefaultRowHeight=\"20\">\n" . "<Column ss:Index=\"1\" ss:AutoFitWidth=\"0\"/>\n" . implode("\n", $this->lines) . "</Table>\n</Worksheet>\n";
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}
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/**
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* 设置单元格样式
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*
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* @access public
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* @param array 样式数组例如： array('id'=>'s_title','Font'=>array('FontName'=>'宋体','Size'=>'12','Bold'=>'1'));
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* 当id为Default时，为表格的默认样式
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*/
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public function setStyle($style_arr)
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{
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if (empty($style_arr)) {
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return false;
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}
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$id = $style_arr['id'];
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unset($style_arr['id']);
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$style_str = "<Style ss:ID=\"$id\">";
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foreach ($style_arr as $k => $v) {
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$tmp = '';
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foreach ((array)$v as $k_item => $v_item) {
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$tmp .= (" ss:$k_item=\"$v_item\"");
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}
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$style_str .= "<$k " . $tmp . '/>';
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}
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$this->cellstyle[$id] = $style_str . '</Style>';
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}
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/**
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* 设置默认单元格格式
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*
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* @access public
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* @param string
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*/
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public function setDefaultFormat($format_str)
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{
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if (empty($style_arr)) {
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return false;
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}
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$this->default_cellformat = $format_str;
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}
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/**
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* 生成excel文件
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* 最后生成excel文件,并使用header()函数来将它交付给浏览器。
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* @access public
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* @param string $filename 文件名称
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*/
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public function generateXML($filename)
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{
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$encoded_filename = urlencode($filename);
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$encoded_filename = str_replace("+", "%20", $encoded_filename);
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//头
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$ua = $_SERVER["HTTP_USER_AGENT"];
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header("Content-Type: application/vnd.ms-excel");
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if (preg_match("/MSIE/", $ua)) {
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header('Content-Disposition: attachment; filename="' . $encoded_filename . '.xls"');
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}
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else if (preg_match("/Firefox/", $ua)) {
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header('Content-Disposition: attachment; filename*="utf8\'\'' . $filename . '.xls"');
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}
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else {
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header('Content-Disposition: attachment; filename="' . $filename . '.xls"');
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}
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header('Cache-Control: max-age=0');
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echo stripslashes($this->header);
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//样式
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echo "\n<Styles>";
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foreach ((array)$this->cellstyle as $k => $v) {
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echo "\n" . $v;
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}
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echo "\n</Styles>";
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//工作表
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echo implode("\n", $this->worksheets);
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echo $this->footer;
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}
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/**
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* 转码函数
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*
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* @param mixed $content
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* @param string $from
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* @param string $to
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* @return mixed
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*/
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public function charset($content, $from = 'gbk', $to = 'utf-8')
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{
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$from = strtoupper($from) == 'UTF8' ? 'utf-8' : $from;
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$to = strtoupper($to) == 'UTF8' ? 'utf-8' : $to;
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if (strtoupper($from) === strtoupper($to) || empty($content)) {
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//如果编码相同则不转换
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return $content;
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}
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if (function_exists('mb_convert_encoding')) {
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if (is_array($content)) {
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$content = var_export($content, true);
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$content = mb_convert_encoding($content, $to, $from);
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eval("\$content = $content;");
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return $content;
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}
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else {
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return mb_convert_encoding($content, $to, $from);
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}
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}
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elseif (function_exists('iconv')) {
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if (is_array($content)) {
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$content = var_export($content, true);
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$content = iconv($from, $to, $content);
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eval("\$content = $content;");
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return $content;
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}
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else {
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return iconv($from, $to, $content);
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}
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}
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else {
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return $content;
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}
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}
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}
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?>
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