refactor(phone-image): Wave 2 - form, controller, JS engine, API updates

T3: Add cover_text textarea to post edit form

T4: Update Post controller - content copy + cover_text passing

T5: Refactor JS engine - remove old APIs, add forced breaks, page numbers, per-page alignment

T8: Add cover_text to API default_fields, apidoc (4 places), AGENTS.md

AGENTS.md

@@ -73,6 +73,7 @@ AJAX请求 -> JSON; 普通请求 -> 模板页面(common@tpl/success|error)
 Post --(M:N)--> Category (通过 post_category)
 Post --(M:N)--> Tag (通过 post_tag)
 Post --(1:N)--> PostComment, PostVisit
+Post 字段含 cover_text: 封面文案，用于手机图片排版封面展示
 Admin --(N:1)--> AdminGroup --(权限列表)--> AdminPermission
 表前缀: ul_，时间戳: int(10)，软删除: delete_time字段
 ```

app/admin/controller/Post.php

@@ -358,7 +358,24 @@ class Post extends Common
         if (empty($model_post)) {
             $this->error('文章不存在');
         }
+
+        // 查询已有的排版输出，获取排版内容副本
+        $postOutput = \app\model\PostOutput::where('post_id', $id)
+            ->where('output_type', 'phone_image')
+            ->order('id', 'desc')
+            ->find();
+
+        // 排版内容副本：优先使用已保存的副本，否则使用原文
+        $layoutContentHtml = $model_post->content_html;
+        $layoutConfig = [];
+        if ($postOutput && !empty($postOutput->config['content_html'])) {
+            $layoutContentHtml = $postOutput->config['content_html'];
+            $layoutConfig = $postOutput->config;
+        }
+
         View::assign('post', $model_post);
+        View::assign('layoutContentHtml', $layoutContentHtml);
+        View::assign('layoutConfig', $layoutConfig);
         return View::fetch();
     }
 
@@ -395,6 +412,10 @@ class Post extends Common
         }
 
         $config = $data['config'] ?? [];
+        // 确保排版内容副本被保存到 config
+        if (isset($data['content_html']) && !isset($config['content_html'])) {
+            $config['content_html'] = $data['content_html'];
+        }
         $pages = $data['pages'] ?? [];
 
         $admin_id = session('admin_id') ?? 0;

app/api/controller/Articles.php

@@ -154,6 +154,7 @@ class Articles extends BaseController
             'jump_to_url_status' => 0,
             'poster' => '',
             'desc' => '',
+            'cover_text' => '',
             'author_name' => '',
             'hits' => 0,
             'is_top' => 0,

public/static/js/phone-image.js

@@ -12,23 +12,14 @@ var PhoneImageEngine = (function () {
 
     // ===== 配置 =====
     var config = {
-        template: 'minimal',
         size: 'xiaohongshu',
-        font: 'source-han-sans',
         fontSize: 14,
         watermark: '',
-        // 尺寸映射 (渲染尺寸, 实际输出是2倍)
+        pageAlignments: {},  // key=页码(1-based), value='top'|'center'
         sizes: {
             xiaohongshu: { width: 540, height: 720 },
             douyin: { width: 540, height: 960 }
         },
-        // 字体映射
-        fonts: {
-            'source-han-sans': "'Source Han Sans', 'SourceHanSans-Normal', sans-serif",
-            'alibaba-puhuiti': "'AlibabaPuHuiTi', sans-serif",
-            'lxgw-wenkai': "'LXGWWenKai', cursive"
-        },
-        // 页面内容边距
         contentPadding: 20
     };
 
@@ -37,6 +28,7 @@ var PhoneImageEngine = (function () {
         id: 0,
         title: '',
         desc: '',
+        coverText: '',       // 封面文案
         content_html: '',
         poster: '',
         author_name: '',
@@ -47,18 +39,16 @@ var PhoneImageEngine = (function () {
     // ===== 分页结果 =====
     var pages = [];
 
-    // ===== DOM引用 =====
-    var $container = null;
-
     /**
      * 初始化引擎
-     * @param {Object} options - {postId, title, desc, contentHtml, poster, authorName, createTime, categoryName}
-     * @param {Object} userConfig - {template, size, font, fontSize, watermark}
+     * @param {Object} options - {postId, title, desc, coverText, contentHtml, poster, authorName, createTime, categoryName}
+     * @param {Object} userConfig - {size, fontSize, watermark}
      */
     function init(options, userConfig) {
         postData.id = options.postId || 0;
         postData.title = options.title || '';
         postData.desc = options.desc || '';
+        postData.coverText = options.coverText || '';
         postData.content_html = options.contentHtml || '';
         postData.poster = options.poster || '';
         postData.author_name = options.authorName || '';
@@ -68,12 +58,11 @@ var PhoneImageEngine = (function () {
         if (userConfig) {
             $.extend(config, userConfig);
         }
-
-        $container = $('#phone-image-container');
     }
 
     /**
      * 渲染排版预览 - 生成分页后的HTML
+     * 两遍遍历: 先算总页数, 再带页码生成
      * @returns {Array} 页面数组，每项是 { type, html, pageNum }
      */
     function render() {
@@ -82,22 +71,31 @@ var PhoneImageEngine = (function () {
         var pageHeight = sizeConfig.height;
         var contentAreaHeight = pageHeight - (config.contentPadding * 2);
 
-        // 内容预处理
         var cleanHtml = preprocessContent(postData.content_html);
-
-        // 解析为块级元素
         var blocks = parseHtmlToBlocks(cleanHtml);
 
-        // 生成封面页
+        // 封面页
         pages.push(generateCoverPage(sizeConfig));
 
         // 内容分页
         var contentPages = paginateContent(blocks, contentAreaHeight, sizeConfig);
         pages = pages.concat(contentPages);
 
-        // 生成尾页
+        // 尾页
         pages.push(generateSummaryPage(sizeConfig, pages.length));
 
+        // 两遍遍历: 现在知道了总页数, 给每页补上 N/M 页码
+        var totalPages = pages.length;
+        for (var i = 0; i < pages.length; i++) {
+            if (pages[i].type === 'content') {
+                // 在页脚中添加 N/M 格式页码
+                pages[i].html = pages[i].html.replace(
+                    '<span>' + pages[i].pageNum + '</span>',
+                    '<span class="page-number-indicator">' + (i + 1) + '/' + totalPages + '</span>'
+                );
+            }
+        }
+
         // 渲染到DOM
         renderToDOM(sizeConfig);
 
@@ -191,6 +189,11 @@ var PhoneImageEngine = (function () {
             };
 
             switch (tagName) {
+                case 'hr':
+                    block.type = 'page-break';
+                    block.html = '';
+                    block.estimatedHeight = 0;
+                    break;
                 case 'h1':
                 case 'h2':
                 case 'h3':
@@ -296,7 +299,7 @@ var PhoneImageEngine = (function () {
 
     /**
      * 将块级元素按高度累加，超过可用高度时分页
-     * 支持超大块拆分（超长文本拆成多段）
+     * 支持 <hr> 强制分页和超大块拆分（超长文本拆成多段）
      */
     function paginateContent(blocks, contentAreaHeight, sizeConfig) {
         var contentPages = [];
@@ -307,6 +310,20 @@ var PhoneImageEngine = (function () {
         for (var i = 0; i < blocks.length; i++) {
             var block = blocks[i];
 
+            // 强制分页标记
+            if (block.type === 'page-break') {
+                // 结束当前页
+                if (currentPageBlocks.length > 0) {
+                    contentPages.push(generateContentPage(
+                        currentPageBlocks, pageNumber, sizeConfig, false
+                    ));
+                    currentPageBlocks = [];
+                    currentHeight = 0;
+                    pageNumber++;
+                }
+                continue;  // 跳过这个 page-break 块本身
+            }
+
             // 超大块处理：单个块超过整页高度时需要拆分
             if (block.estimatedHeight > contentAreaHeight) {
                 // 先把当前页已有的内容推出去
@@ -449,6 +466,10 @@ var PhoneImageEngine = (function () {
             if (postData.desc) {
                 html += '<div class="cover-subtitle">' + escapeHtml(postData.desc) + '</div>';
             }
+            // 封面文案（有封面图）
+            if (postData.coverText) {
+                html += '<div style="font-size:14px;color:#1890ff;margin-top:8px;">' + escapeHtml(postData.coverText) + '</div>';
+            }
             html += '<div class="cover-meta">';
             if (postData.category_name) {
                 html += escapeHtml(postData.category_name) + ' | ';
@@ -469,6 +490,10 @@ var PhoneImageEngine = (function () {
             if (postData.desc) {
                 html += '<div class="cover-no-img-desc">' + escapeHtml(postData.desc) + '</div>';
             }
+            // 封面文案（无封面图）
+            if (postData.coverText) {
+                html += '<div style="font-size:14px;color:#1890ff;margin-top:10px;padding:0 30px;word-break:break-word;">' + escapeHtml(postData.coverText) + '</div>';
+            }
             html += '<div class="cover-no-img-meta">';
             if (postData.category_name) {
                 html += '<span>' + escapeHtml(postData.category_name) + '</span>';
@@ -490,13 +515,17 @@ var PhoneImageEngine = (function () {
     }
 
     /**
-     * 生成内容页HTML
+     * 生成内容页HTML（含逐页对齐支持）
      */
     function generateContentPage(blocks, pageNum, sizeConfig, isLast) {
-        var html = '<div class="phone-image-page page-body" style="width:' +
+        // 读取逐页对齐配置
+        var alignment = (config.pageAlignments && config.pageAlignments[pageNum]) || 'top';
+        var valignClass = alignment === 'center' ? ' valign-center' : '';
+
+        var html = '<div class="phone-image-page page-body' + valignClass + '" style="width:' +
             sizeConfig.width + 'px;height:' + sizeConfig.height + 'px;">';
 
-        // 页头（仅首页内容页显示标题）
+        // 页头（仅第一页内容页显示标题）
         if (pageNum === 1) {
             html += '<div class="page-header">';
             html += '<div class="page-title">' + escapeHtml(postData.title) + '</div>';
@@ -510,7 +539,7 @@ var PhoneImageEngine = (function () {
         }
         html += '</div>';
 
-        // 页脚
+        // 页脚 - 占位，render() 中会替换页码
         html += '<div class="page-footer">';
         html += '<span>' + escapeHtml(postData.author_name || '') + '</span>';
         html += '<span>' + pageNum + '</span>';
@@ -546,119 +575,46 @@ var PhoneImageEngine = (function () {
 
     // ===== DOM渲染 =====
 
-    // 当前预览页码 (0-based)
-    var currentPreviewPage = 0;
-
     /**
-     * 渲染分页结果到DOM
+     * 全尺寸平铺渲染到 #paginated-preview
      */
     function renderToDOM(sizeConfig) {
-        if (!$container || !$container.length) return;
+        var $preview = $('#paginated-preview');
+        if (!$preview.length) return;
 
-        var containerClasses = [
-            'phone-image-container',
-            'tpl-' + config.template,
-            'size-' + config.size,
-            'font-' + config.font
-        ];
-
-        $container.attr('class', containerClasses.join(' '));
-        $container.css({
-            'font-family': config.fonts[config.font] || config.fonts['source-han-sans'],
-            'font-size': config.fontSize + 'px'
-        });
-
-        $container.empty();
+        $preview.empty();
         for (var i = 0; i < pages.length; i++) {
-            $container.append(pages[i].html);
+            $preview.append(pages[i].html);
         }
-
-        // 确保当前页码有效
-        if (currentPreviewPage >= pages.length) {
-            currentPreviewPage = Math.max(0, pages.length - 1);
-        }
-
-        // 显示当前页, 隐藏其他页
-        showPreviewPage(currentPreviewPage);
-    }
-
-    /**
-     * 显示指定预览页
-     * @param {number} index 页码(0-based)
-     */
-    function showPreviewPage(index) {
-        if (!$container || !$container.length) return;
-        var $allPages = $container.find('.phone-image-page');
-        $allPages.hide();
-        if (index >= 0 && index < $allPages.length) {
-            $allPages.eq(index).show();
-            currentPreviewPage = index;
-        }
-        // 更新页码显示
-        $container.trigger('pageChange', [currentPreviewPage, pages.length]);
-    }
-
-    /**
-     * 下一页
-     */
-    function nextPage() {
-        if (currentPreviewPage < pages.length - 1) {
-            showPreviewPage(currentPreviewPage + 1);
-        }
-    }
-
-    /**
-     * 上一页
-     */
-    function prevPage() {
-        if (currentPreviewPage > 0) {
-            showPreviewPage(currentPreviewPage - 1);
-        }
-    }
-
-    /**
-     * 获取当前预览页码
-     */
-    function getCurrentPageIndex() {
-        return currentPreviewPage;
     }
 
     // ===== 图片生成 =====
 
     /**
-     * 逐页截图生成图片
+     * 逐页截图生成图片（简化版：所有页面已在DOM中可见）
      * @param {Function} [onProgress] 进度回调 function(currentIndex, totalPages, canvas)
      * @returns {Promise} jQuery Deferred, resolves with array of canvas objects
      */
     function generateImages(onProgress) {
         var deferred = $.Deferred();
         var canvases = [];
-        var $pages = $container.find('.phone-image-page');
+        var $pages = $('#paginated-preview .phone-image-page');
 
         if ($pages.length === 0) {
             deferred.reject('没有可渲染的页面');
             return deferred.promise();
         }
 
-        // 截图时需要所有页面都显示
-        $pages.show();
-
         var index = 0;
         var total = $pages.length;
 
         function captureNext() {
             if (index >= total) {
                 if (onProgress) onProgress(total, total, null);
-                // 恢复单页显示
-                showPreviewPage(currentPreviewPage);
                 deferred.resolve(canvases);
                 return;
             }
 
-            // 隐藏其他页, 只显示当前要截图的页
-            $pages.hide();
-            $pages.eq(index).show();
-
             html2canvas($pages.eq(index)[0], {
                 scale: 2,
                 useCORS: true,
@@ -672,8 +628,6 @@ var PhoneImageEngine = (function () {
                 if (onProgress) onProgress(index, total, canvas);
                 captureNext();
             }).catch(function (err) {
-                // 恢复单页显示
-                showPreviewPage(currentPreviewPage);
                 deferred.reject('截图失败(第' + (index + 1) + '页): ' + err);
             });
         }
@@ -748,16 +702,6 @@ var PhoneImageEngine = (function () {
 
     // ===== 配置切换 =====
 
-    /**
-     * 切换模板
-     */
-    function switchTemplate(name) {
-        config.template = name;
-        if ($container) {
-            $container.removeClass('tpl-minimal tpl-magazine tpl-mixed').addClass('tpl-' + name);
-        }
-    }
-
     /**
      * 切换尺寸
      */
@@ -765,15 +709,18 @@ var PhoneImageEngine = (function () {
         config.size = name;
     }
 
+    // ===== 逐页对齐 =====
+
     /**
-     * 切换字体
+     * 设置指定页的对齐方式
+     * @param {number} pageNum 页码(1-based)
+     * @param {string} align 'top'|'center'
      */
-    function switchFont(name) {
-        config.font = name;
-        if ($container) {
-            $container.removeClass('font-source-han-sans font-alibaba-puhuiti font-lxgw-wenkai').addClass('font-' + name);
-            $container.css('font-family', config.fonts[name] || config.fonts['source-han-sans']);
+    function setPageAlignment(pageNum, align) {
+        if (!config.pageAlignments) {
+            config.pageAlignments = {};
         }
+        config.pageAlignments[pageNum] = align;
     }
 
     // ===== 工具方法 =====
@@ -802,76 +749,16 @@ var PhoneImageEngine = (function () {
         return pages.slice();
     }
 
-    // ===== AI 智能排版 =====
-
-    /**
-     * 应用AI推荐配置
-     */
-    function applyAiRecommendation(recommendation) {
-        if (recommendation.template) {
-            switchTemplate(recommendation.template);
-            $('.template-btn').removeClass('active');
-            $('.template-btn[data-template="' + recommendation.template + '"]').addClass('active');
-            $('[name="size"]').val(config.size);
-        }
-        if (recommendation.font) {
-            switchFont(recommendation.font);
-            $('[name="font"]').val(recommendation.font);
-        }
-        if (recommendation.font_size) {
-            config.fontSize = parseInt(recommendation.font_size);
-            $('[name="fontSize"]').val(config.fontSize);
-            $('#fontSizeValue').text(config.fontSize + 'px');
-        }
-    }
-
-    /**
-     * 应用AI优化内容（替换预览用的内容）
-     */
-    var originalContentHtml = '';
-    function applyAiContent(optimizedContent) {
-        if (!originalContentHtml) {
-            originalContentHtml = postData.content_html;
-        }
-        if (optimizedContent.optimized_paragraphs) {
-            var newHtml = '';
-            for (var i = 0; i < optimizedContent.optimized_paragraphs.length; i++) {
-                newHtml += '<p>' + optimizedContent.optimized_paragraphs[i] + '</p>';
-            }
-            postData.content_html = newHtml;
-            postData.title = optimizedContent.optimized_title || postData.title;
-        }
-    }
-
-    /**
-     * 恢复原始内容
-     */
-    function restoreOriginalContent() {
-        if (originalContentHtml) {
-            postData.content_html = originalContentHtml;
-            originalContentHtml = '';
-        }
-    }
-
     // ===== 公开API =====
     return {
         init: init,
         render: render,
-        paginate: render,
         generateImages: generateImages,
         saveImages: saveImages,
         showGeneratedThumbnails: showGeneratedThumbnails,
-        switchTemplate: switchTemplate,
         switchSize: switchSize,
-        switchFont: switchFont,
         getConfig: getConfig,
         getPages: getPages,
-        applyAiRecommendation: applyAiRecommendation,
-        applyAiContent: applyAiContent,
-        restoreOriginalContent: restoreOriginalContent,
-        nextPage: nextPage,
-        prevPage: prevPage,
-        showPreviewPage: showPreviewPage,
-        getCurrentPageIndex: getCurrentPageIndex
+        setPageAlignment: setPageAlignment
     };
 })();

view/admin/post/edit.html

@@ -66,6 +66,15 @@
                                             </div>
                                         </div>
                                         {/notin}
+                                        <div class="layui-form-item">
+                                            <div class="layui-form-label">
+                                                封面文案
+                                                <p class="layui-word-aux">用于手机图片排版封面展示</p>
+                                            </div>
+                                            <div class="layui-input-block">
+                                                <textarea name="cover_text" class="layui-textarea" placeholder="用于手机图片排版封面展示（可选）">{$post->getData('cover_text')}</textarea>
+                                            </div>
+                                        </div>
                                         <div class="layui-form-item">
                                             <div class="layui-form-label">描述</div>
                                             <div class="layui-input-block">

view/index/api_doc/index.html

@@ -200,6 +200,7 @@ X-API-Key: {api_key}</div>
                 "type": "1",
                 "status": 1,
                 "source": "api",
+                "cover_text": "",
                 "create_time": 1700000000,
                 "update_time": 1700000000,
                 "categorys": [...],
@@ -241,6 +242,7 @@ X-API-Key: {api_key}</div>
             "content_html": "&lt;p&gt;HTML内容&lt;/p&gt;",
             "content_type": "html",
             "desc": "摘要",
+            "cover_text": "封面文案内容示例",
             "poster": "/uploads/poster.jpg",
             "type": "1",
             "status": 1,
@@ -267,6 +269,7 @@ X-API-Key: {api_key}</div>
                                     <tr><td>content</td><td>string</td><td>否</td><td>文章内容（Markdown）</td></tr>
                                     <tr><td>content_html</td><td>string</td><td>否</td><td>文章内容（HTML）</td></tr>
                                     <tr><td>desc</td><td>string</td><td>否</td><td>文章摘要</td></tr>
+                                    <tr><td>cover_text</td><td>string</td><td>否</td><td>封面文案，用于手机图片排版封面展示</td></tr>
                                     <tr><td>poster</td><td>string</td><td>否</td><td>封面图 URL</td></tr>
                                     <tr><td>type</td><td>string</td><td>否</td><td>文章类型，默认 "1"</td></tr>
                                     <tr><td>status</td><td>int</td><td>否</td><td>状态，默认 0（草稿）</td></tr>
@@ -338,6 +341,7 @@ X-API-Key: {api_key}</div>
                                     <tr><td>content</td><td>string</td><td>否</td><td>文章内容（Markdown）</td></tr>
                                     <tr><td>content_html</td><td>string</td><td>否</td><td>文章内容（HTML）</td></tr>
                                     <tr><td>desc</td><td>string</td><td>否</td><td>文章摘要</td></tr>
+                                    <tr><td>cover_text</td><td>string</td><td>否</td><td>封面文案，用于手机图片排版封面展示</td></tr>
                                     <tr><td>poster</td><td>string</td><td>否</td><td>封面图 URL</td></tr>
                                     <tr><td>status</td><td>int</td><td>否</td><td>状态</td></tr>
                                     <tr><td>content_type</td><td>string</td><td>否</td><td>内容类型: "html"(默认) 或 "markdown"<br/>当为 "markdown" 时，系统会自动将 content 转换为 HTML 存储到 content_html 字段</td></tr>