Latex生成PDF
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chengxl
@@ -14,7 +14,7 @@ class LatexContent{
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//模版地址
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private $sLatexUrl = '/public/latex/';
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//期刊官网接口地址
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private $sJournalUrl = 'http://zmzm.journal.dev.com/';//'http://journalapi.tmrjournals.com/public/index.php/';//
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private $sJournalUrl = 'http://journalapi.tmrjournals.com/public/index.php/';//'http://zmzm.journal.dev.com/';//
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//文章图片
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private $sArticleIcon = '/public/articleicon/';
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//文章图片
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@@ -259,6 +259,11 @@ page={{stage_page}},%号
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$aWhere = ['ami_id' => ['in',$aAmiId],'state' => 0];
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$aArticleMainImage = Db::name('article_main_image')->field('ami_id,url,note')->where($aWhere)->select();
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$aArticleMainImage = empty($aArticleMainImage) ? [] : array_column($aArticleMainImage, null,'ami_id');
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//查询表格
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$aAmtId = array_unique(array_column($aArticleMain, 'amt_id'));
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$aWhere = ['amt_id' => ['in',$aAmtId],'state' => 0];
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$aArticleMainTable = Db::name('article_main_table')->where($aWhere)->select();
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$aArticleMainTable = empty($aArticleMainTable) ? [] : array_column($aArticleMainTable, null,'amt_id');
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//获取图片模版
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$sImageTempalte = $this->sImageTempalte;
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//数据处理
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@@ -316,16 +321,23 @@ page={{stage_page}},%号
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if(empty($aResult['data'])){
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continue;
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}
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$aImageSearch = ['{{img_url}}' => $aResult['data'],'{{img_title}}' => $aImageInfo['note'],'{{img_fig_sim}}' => 'img_fig_sim_'.$value['ami_id']];
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$sImageTempalteInfo = str_replace(array_keys($aImageSearch), array_values($aImageSearch), $sImageTempalte);
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$sMain .= $sImageTempalteInfo."\\par\n";
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// $aImageSearch = ['{{img_url}}' => $aResult['data'],'{{img_title}}' => $aImageInfo['note'],'{{img_fig_sim}}' => 'img_fig_sim_'.$value['ami_id']];
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// $sImageTempalteInfo = str_replace(array_keys($aImageSearch), array_values($aImageSearch), $sImageTempalte);
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$aImageInfo['image_url'] = $aResult['data'];
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$aDealImage = $this->dealImage($aImageInfo);
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if(empty($aDealImage['data'])){
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continue;
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}
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$sMain .= $aDealImage['data']."\\par\n";
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}
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if($value['type'] == 2 ){//表格
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$sTableInfo = $oProduction->tableCovertLatex($value['amt_id'],$aReferences);
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var_dump($sTableInfo);
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$aTableInfo = empty($aArticleMainTable[$value['amt_id']]) ? [] : $aArticleMainTable[$value['amt_id']];
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if(empty($aTableInfo['table_data'])){
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continue;
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}
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$sTableInfo = $oProduction->tableCovertLatex($value['amt_id'],$aReferences,$aTableInfo);
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$sMain .= $sTableInfo."\\par\n";
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}
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}
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}
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}
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@@ -549,60 +561,8 @@ page={{stage_page}},%号
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//字符串处理
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$oProduction = new \app\api\controller\Production;
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$sContent = $oProduction->convertToLatex($content,$aReferences);
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$content = $this->htmlToLaTeX($content);
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return $sContent;
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}
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private function htmlToLaTeX($text = ''){
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if(empty($text)){
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return '';
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}
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$replaceMap = [
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// 基础标签转换
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'<i>' => '\textit{',
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'</i>' => '}',
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'<em>' => '\textit{',
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'</em>' => '}',
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'<b>' => '\textbf{',
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'</b>' => '}',
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'<blue>' => '\textcolor{blue}{',
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'</blue>' => '}',
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'<p>' => '',
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'</p>' => '',
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'<sub>' => '$_{',
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'</sub>' => '}$',
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'<sup>' => '$^{',
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'</sup>' => '}$',
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'~' => '--', // 波浪号→范围符
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'（' => '(', // 全角左括号→半角
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'）' => ')', // 全角右括号→半角
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'（(' => '(', // 重复括号去重
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')）' => ')',
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// ========== 新增：<span> 标签处理 ==========
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// 场景1：纯空 <span> 标签（无属性）→ 直接删除，保留内容
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'<span>' => '',
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'</span>' => '',
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// 场景2：带蓝色样式的 <span style="color:blue"> → 转为 LaTeX 蓝色命令
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'<span style="color:blue">' => '\textcolor{blue}{',
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'<span style="color: Blue;">' => '\textcolor{blue}{', // 兼容大小写/空格
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'<span style="color:red">' => '\textcolor{red}{', // 扩展：红色
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'</span>' => '}', // 所有 span 闭标签统一转为 }（匹配开标签的 LaTeX 命令）
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// 扩展：其他常用 span 样式（按需添加）
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'<span style="font-weight:bold">' => '\textbf{',
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'<span style="font-style:italic">' => '\textit{',
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];
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// 第一步：替换所有标签（优先处理带属性的 span，再处理空 span）
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$text = strtr($text, $replaceMap);
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// 第二步：清理残留的特殊 span 标签（如未匹配的属性，直接删除标签保留内容）
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// 匹配 <span ...> 形式的标签（任意属性），仅删除标签，保留内容
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$text = preg_replace('/<span(\s+[^>]*?)?>/i', '', $text);
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$text = preg_replace('/<\/span>/i', '', $text);
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return $text;
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}
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/**
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* @title curl 请求获取图片保存到本地
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* @param sPath 图片链接地址
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@@ -620,7 +580,7 @@ page={{stage_page}},%号
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$sExtension = empty($aImageInfo['extension']) ? 'jpg' : $aImageInfo['extension'];
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//图片地址
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$sDir = ROOT_PATH.trim($this->sLatexUrl,'/').'/article_pdf/'.$iId.'/';
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$sDir = ROOT_PATH.trim($this->sLatexUrl,'/').'/tex_'.$iId.'/image/';
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$sImagePath = $sDir.basename($sPath);
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if (file_exists($sImagePath)) {
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return ['status' => 1,'msg' => 'success','data' => $sImagePath];
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@@ -645,6 +605,57 @@ page={{stage_page}},%号
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return ['status' => 1,'msg' => 'success','data' => $sImagePath];
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}
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/**
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* @title curl 图片Latex代码封装
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*/
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private function dealImage($aImageInfo = []){
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//获取图片路径
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$sImageUrl = empty($aImageInfo['image_url']) ? '' : $aImageInfo['image_url'];
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if(empty($sImageUrl)){
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return ['status' => 2,'msg' => 'The image link is empty'];
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}
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//判断图片是否存在
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if(!file_exists($sImageUrl)){
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return ['status' => 3,'msg' => 'The image does not exist:'.$sImageUrl];
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}
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// 检测图片尺寸
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$imageInfo = getimagesize($sImageUrl);
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$imageWidth = $imageInfo[0]; // 图片宽度
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$imageHeight = $imageInfo[1]; // 图片高度
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// 定义宽度阈值（例如：宽度大于600像素则使用两栏）
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$wideImageThreshold = 600;
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$isWideImage = $imageWidth > $wideImageThreshold;
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// 生成LaTeX图片代码
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if ($isWideImage) {
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$latexLines[] = "\\begin{figure*}[htbp]"; // 使用figure*环境实现两栏
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$latexLines[] = " \\centering";
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$latexLines[] = " \\includegraphics[width=0.9\\textwidth]{" . $sImageUrl . "}"; // 使用全宽度
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} else {
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$latexLines[] = "\\begin{figure}[H]";
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$latexLines[] = " \\centering";
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$latexLines[] = " \\includegraphics[width=0.9\\textwidth]{" . $sImageUrl . "}";
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}
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if(!empty($aImageInfo['title']) && !empty($aImageInfo['note'])){
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$escapedTitle = '{\fontspec{Calibri}\footnotesize\bfseries\color{figerTitleColor} '.$this->dealContent(preg_replace('/^Figure\s+\d+\s*/i', '', $aImageInfo['title']),[]).'}\\\\';
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$escapedTitle .= '{\vspace{0.5em}\raggedright\small {'.$this->dealContent($aImageInfo['note'],[]).'}}';
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$latexLines[] = " \\caption{" . $escapedTitle . "}";
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}
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if (!empty($ami_info['title'])) {
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$escapedTitle = $this->dealContent(preg_replace('/^Figure\s+\d+\s*/i', '', $ami_info['title']),[]);
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$latexLines[] = " \\caption{" . $escapedTitle . "}";
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}
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$latexLines[] = "\\end{figure" . ($isWideImage ? "*" : "") . "}";
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return ['status' => 1,'msg' => 'success','data' => implode("\n", $latexLines)];
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}
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}
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?>
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