refactor: posts/show.html 内联 JS 拆分为独立文件
- 拆分 926 行内联 JS 为 5 个独立模块文件 - post-view.js: Vditor 渲染 + 提交审核按钮 (~50 行) - post-energize.js: 赋能按钮 + 弹窗 (~76 行) - post-reactions.js: 赞/踩系统 (~71 行) - post-favorite.js: 收藏按钮 + 收藏夹弹窗 (~218 行) - post-comments.js: 评论系统 (~456 行) - show.html 从 1080 行缩减至 159 行
This commit is contained in:
456
templates/MetaLab-2026/static/js/post-comments.js
Normal file
456
templates/MetaLab-2026/static/js/post-comments.js
Normal file
@ -0,0 +1,456 @@
|
||||
// 评论系统
|
||||
// 依赖: utils.js (escapeHtml, formatTime, showToast, api), common.js (getCSRFToken)
|
||||
(function() {
|
||||
var commentsSection = document.getElementById('comments');
|
||||
if (!commentsSection) return;
|
||||
|
||||
var postId = commentsSection.closest('.container').querySelector('#postReactions').dataset.postId;
|
||||
var commentsList = document.getElementById('commentsList');
|
||||
var commentsTotal = document.getElementById('commentsTotal');
|
||||
var loadMoreBtn = document.getElementById('commentsLoadMore');
|
||||
var commentInput = document.getElementById('commentInput');
|
||||
var commentSubmitBtn = document.getElementById('commentSubmitBtn');
|
||||
var mentionDropdown = document.getElementById('mentionDropdown');
|
||||
var currentPage = 1;
|
||||
var totalPages = 1;
|
||||
|
||||
function buildCommentCard(c) {
|
||||
var time = c.created_at ? formatTime(c.created_at) : '';
|
||||
var author = c.author_name ? escapeHtml(c.author_name) : '用户已注销';
|
||||
var body = c.body || '';
|
||||
|
||||
body = escapeHtml(body);
|
||||
body = body.replace(/@(\S{1,16})/g, '<span class="reply-to">@$1</span>');
|
||||
|
||||
var html = '<div class="comment-card" data-id="' + c.id + '">' +
|
||||
'<div class="comment-header">' +
|
||||
'<span class="comment-author">' + author + '</span>' +
|
||||
'<span class="comment-time">' + time + '</span>' +
|
||||
'</div>' +
|
||||
'<div class="comment-body">' + body + '</div>' +
|
||||
'<div class="comment-actions">';
|
||||
|
||||
if (isLoggedIn()) {
|
||||
html += '<button class="comment-action-btn comment-reply-btn" data-id="'+c.id+'">回复</button>';
|
||||
}
|
||||
|
||||
html += '</div>' +
|
||||
'<div class="comment-replies" id="replies-' + c.id + '"></div>';
|
||||
|
||||
if (c.replies_count > 0) {
|
||||
html += '<button class="comment-toggle-replies" id="toggle-' + c.id + '" data-id="'+c.id+'" data-loaded="false">共 ' + c.replies_count + ' 条回复</button>';
|
||||
}
|
||||
|
||||
html += '<div class="comment-reply-form" id="replyForm-' + c.id + '" style="display:none">' +
|
||||
'<textarea class="comment-reply-input" id="replyInput-' + c.id + '" rows="2" placeholder="写下回复..." maxlength="5000"></textarea>' +
|
||||
'<button class="btn btn-primary comment-reply-submit" data-id="' + c.id + '">回复</button>' +
|
||||
'</div>' +
|
||||
'</div>';
|
||||
return html;
|
||||
}
|
||||
|
||||
function buildReplyCard(r) {
|
||||
var time = r.created_at ? formatTime(r.created_at) : '';
|
||||
var author = r.author_name ? escapeHtml(r.author_name) : '用户已注销';
|
||||
var body = r.body || '';
|
||||
body = escapeHtml(body);
|
||||
body = body.replace(/@(\S{1,16})/g, '<span class="reply-to">@$1</span>');
|
||||
|
||||
var prefix = '';
|
||||
if (r.reply_to_name) {
|
||||
prefix = '<span class="comment-reply-to">回复 ' + escapeHtml(r.reply_to_name) + ':</span>';
|
||||
}
|
||||
|
||||
return '<div class="comment-reply-card" data-id="' + r.id + '">' +
|
||||
'<div class="comment-header">' +
|
||||
'<span class="comment-author" style="font-size:13px">' + author + '</span>' +
|
||||
'<span class="comment-time" style="font-size:11px">' + time + '</span>' +
|
||||
'</div>' +
|
||||
'<div class="comment-reply-body">' + prefix + body + '</div>' +
|
||||
'</div>';
|
||||
}
|
||||
|
||||
function isLoggedIn() {
|
||||
return !!document.getElementById('commentInput');
|
||||
}
|
||||
|
||||
// ====== 加载根评论 ======
|
||||
function loadComments(page) {
|
||||
var url = '/api/posts/' + postId + '/comments?page=' + page + '&page_size=20';
|
||||
fetch(url).then(function(r) { return r.json(); })
|
||||
.then(function(d) {
|
||||
if (!d.success) return;
|
||||
totalPages = d.data.total_pages || 1;
|
||||
commentsTotal.textContent = '(' + d.data.total + ')';
|
||||
|
||||
var items = d.data.items || [];
|
||||
for (var i = 0; i < items.length; i++) {
|
||||
commentsList.insertAdjacentHTML('beforeend', buildCommentCard(items[i]));
|
||||
}
|
||||
|
||||
if (page < totalPages) {
|
||||
loadMoreBtn.style.display = 'block';
|
||||
loadMoreBtn.textContent = '加载更多';
|
||||
} else {
|
||||
loadMoreBtn.style.display = 'none';
|
||||
}
|
||||
bindEvents();
|
||||
})
|
||||
.catch(function() {
|
||||
commentsList.innerHTML = '<div class="empty-state">评论加载失败</div>';
|
||||
});
|
||||
}
|
||||
|
||||
// ====== 绑定事件 ======
|
||||
function bindEvents() {
|
||||
var replyBtns = commentsList.querySelectorAll('.comment-reply-btn');
|
||||
for (var i = 0; i < replyBtns.length; i++) {
|
||||
if (replyBtns[i]._bound) continue;
|
||||
replyBtns[i]._bound = true;
|
||||
bindReplyBtn(replyBtns[i]);
|
||||
}
|
||||
|
||||
var toggleBtns = commentsList.querySelectorAll('.comment-toggle-replies');
|
||||
for (var j = 0; j < toggleBtns.length; j++) {
|
||||
if (toggleBtns[j]._bound) continue;
|
||||
toggleBtns[j]._bound = true;
|
||||
bindToggleBtn(toggleBtns[j]);
|
||||
}
|
||||
|
||||
var submitBtns = commentsList.querySelectorAll('.comment-reply-submit');
|
||||
for (var k = 0; k < submitBtns.length; k++) {
|
||||
if (submitBtns[k]._bound) continue;
|
||||
submitBtns[k]._bound = true;
|
||||
bindReplySubmit(submitBtns[k]);
|
||||
}
|
||||
|
||||
var replyInputs = commentsList.querySelectorAll('.comment-reply-input');
|
||||
for (var m = 0; m < replyInputs.length; m++) {
|
||||
if (replyInputs[m]._mentionBound) continue;
|
||||
replyInputs[m]._mentionBound = true;
|
||||
bindMention(replyInputs[m]);
|
||||
}
|
||||
}
|
||||
|
||||
function bindReplyBtn(btn) {
|
||||
btn.addEventListener('click', function() {
|
||||
var id = btn.dataset.id;
|
||||
var form = document.getElementById('replyForm-' + id);
|
||||
if (form) {
|
||||
form.style.display = form.style.display === 'none' ? 'flex' : 'none';
|
||||
if (form.style.display !== 'none') {
|
||||
document.getElementById('replyInput-' + id).focus();
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function bindToggleBtn(btn) {
|
||||
btn.addEventListener('click', function() {
|
||||
var id = btn.dataset.id;
|
||||
var loaded = btn.dataset.loaded === 'true';
|
||||
if (loaded) {
|
||||
var replies = document.getElementById('replies-' + id);
|
||||
if (replies) {
|
||||
replies.style.display = replies.style.display === 'none' ? 'block' : 'none';
|
||||
btn.textContent = replies.style.display === 'none' ? '共 ' + (btn.dataset.count || replies.children.length) + ' 条回复' : '收起回复';
|
||||
}
|
||||
return;
|
||||
}
|
||||
btn.dataset.loaded = 'true';
|
||||
btn.textContent = '加载中...';
|
||||
fetch('/api/posts/' + postId + '/comments/' + id + '/replies')
|
||||
.then(function(r) { return r.json(); })
|
||||
.then(function(d) {
|
||||
if (!d.success) return;
|
||||
var replies = d.data.replies || [];
|
||||
var container = document.getElementById('replies-' + id);
|
||||
if (!container) return;
|
||||
var html = '';
|
||||
for (var i = 0; i < replies.length; i++) {
|
||||
html += buildReplyCard(replies[i]);
|
||||
}
|
||||
container.innerHTML = html;
|
||||
btn.dataset.count = replies.length;
|
||||
btn.textContent = '收起回复';
|
||||
})
|
||||
.catch(function() {
|
||||
btn.textContent = '加载失败';
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function bindReplySubmit(btn) {
|
||||
btn.addEventListener('click', function() {
|
||||
var id = btn.dataset.id;
|
||||
var input = document.getElementById('replyInput-' + id);
|
||||
if (!input) return;
|
||||
var body = input.value.trim();
|
||||
if (!body) { alert('请输入回复内容'); return; }
|
||||
|
||||
btn.disabled = true;
|
||||
api('POST', '/api/comments/' + id + '/reply', { body: body })
|
||||
.then(function(d) {
|
||||
btn.disabled = false;
|
||||
if (d.success) {
|
||||
input.value = '';
|
||||
document.getElementById('replyForm-' + id).style.display = 'none';
|
||||
var toggleBtn = document.getElementById('toggle-' + id);
|
||||
if (toggleBtn) {
|
||||
toggleBtn.dataset.loaded = 'false';
|
||||
if (toggleBtn.dataset.count) {
|
||||
toggleBtn.dataset.count = parseInt(toggleBtn.dataset.count) + 1;
|
||||
toggleBtn.textContent = '共 ' + toggleBtn.dataset.count + ' 条回复';
|
||||
}
|
||||
toggleBtn.click();
|
||||
} else {
|
||||
var replies = document.getElementById('replies-' + id);
|
||||
if (replies) {
|
||||
fetch('/api/posts/' + postId + '/comments/' + id + '/replies')
|
||||
.then(function(r) { return r.json(); })
|
||||
.then(function(d2) {
|
||||
if (!d2.success) return;
|
||||
var items = d2.data.replies || [];
|
||||
var html = '';
|
||||
for (var i = 0; i < items.length; i++) {
|
||||
html += buildReplyCard(items[i]);
|
||||
}
|
||||
replies.innerHTML = html;
|
||||
});
|
||||
}
|
||||
}
|
||||
updateTotalCount(1);
|
||||
} else {
|
||||
alert(d.message || '回复失败');
|
||||
}
|
||||
})
|
||||
.catch(function() {
|
||||
btn.disabled = false;
|
||||
alert('请求失败');
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
// ====== @提及自动补全 ======
|
||||
var mentionTarget = null;
|
||||
var mentionPos = 0;
|
||||
var searchTimer = null;
|
||||
|
||||
function bindMention(input) {
|
||||
input.addEventListener('input', function() {
|
||||
var val = input.value;
|
||||
var cursor = input.selectionStart;
|
||||
var atPos = val.lastIndexOf('@', cursor - 1);
|
||||
if (atPos === -1 || (atPos > 0 && val[atPos - 1] !== ' ' && val[atPos - 1] !== '\n')) {
|
||||
hideMention();
|
||||
return;
|
||||
}
|
||||
var query = val.substring(atPos + 1, cursor);
|
||||
if (query.length === 0 || query.includes(' ')) {
|
||||
hideMention();
|
||||
return;
|
||||
}
|
||||
|
||||
mentionTarget = input;
|
||||
mentionPos = atPos;
|
||||
|
||||
clearTimeout(searchTimer);
|
||||
searchTimer = setTimeout(function() {
|
||||
fetch('/api/users/search?q=' + encodeURIComponent(query))
|
||||
.then(function(r) { return r.json(); })
|
||||
.then(function(d) {
|
||||
if (d.success && d.data && d.data.length > 0) {
|
||||
showMention(input, d.data, query);
|
||||
} else {
|
||||
hideMention();
|
||||
}
|
||||
})
|
||||
.catch(function() { hideMention(); });
|
||||
}, 200);
|
||||
});
|
||||
|
||||
input.addEventListener('blur', function() {
|
||||
setTimeout(hideMention, 150);
|
||||
});
|
||||
}
|
||||
|
||||
function showMention(input, users, query) {
|
||||
var rect = input.getBoundingClientRect();
|
||||
var dropdown = mentionDropdown;
|
||||
dropdown.innerHTML = '';
|
||||
dropdown.style.display = 'block';
|
||||
dropdown.style.top = (rect.bottom + window.scrollY + 4) + 'px';
|
||||
dropdown.style.left = (rect.left + window.scrollX) + 'px';
|
||||
dropdown.style.width = Math.max(rect.width, 200) + 'px';
|
||||
|
||||
for (var i = 0; i < users.length; i++) {
|
||||
(function(u) {
|
||||
var item = document.createElement('div');
|
||||
item.className = 'mention-item';
|
||||
item.innerHTML = '<span class="mention-username">' + escapeHtml(u.username) + '</span><span class="mention-uid">' + escapeHtml(u.uid) + '</span>';
|
||||
item.addEventListener('mousedown', function(e) {
|
||||
e.preventDefault();
|
||||
selectMention(u);
|
||||
});
|
||||
dropdown.appendChild(item);
|
||||
})(users[i]);
|
||||
}
|
||||
}
|
||||
|
||||
function hideMention() {
|
||||
mentionDropdown.style.display = 'none';
|
||||
mentionDropdown.innerHTML = '';
|
||||
mentionTarget = null;
|
||||
}
|
||||
|
||||
function selectMention(user) {
|
||||
if (!mentionTarget) return;
|
||||
var val = mentionTarget.value;
|
||||
var before = val.substring(0, mentionPos);
|
||||
var after = val.substring(mentionTarget.selectionStart);
|
||||
var insert = '@' + user.username + ' ';
|
||||
mentionTarget.value = before + insert + after;
|
||||
mentionTarget.focus();
|
||||
var newPos = mentionPos + insert.length;
|
||||
mentionTarget.setSelectionRange(newPos, newPos);
|
||||
hideMention();
|
||||
}
|
||||
|
||||
// ====== 发表评论 ======
|
||||
if (commentSubmitBtn) {
|
||||
commentSubmitBtn.addEventListener('click', function() {
|
||||
var body = commentInput.value.trim();
|
||||
if (!body) { alert('请输入评论内容'); return; }
|
||||
|
||||
commentSubmitBtn.disabled = true;
|
||||
api('POST', '/api/posts/' + postId + '/comments', { body: body })
|
||||
.then(function(d) {
|
||||
commentSubmitBtn.disabled = false;
|
||||
if (d.success) {
|
||||
commentInput.value = '';
|
||||
commentsList.innerHTML = '';
|
||||
currentPage = 1;
|
||||
loadComments(currentPage);
|
||||
updateTotalCount(1);
|
||||
} else {
|
||||
alert(d.message || '发表失败');
|
||||
}
|
||||
})
|
||||
.catch(function() {
|
||||
commentSubmitBtn.disabled = false;
|
||||
alert('请求失败');
|
||||
});
|
||||
});
|
||||
|
||||
bindMention(commentInput);
|
||||
}
|
||||
|
||||
// ====== 加载更多 ======
|
||||
loadMoreBtn.addEventListener('click', function() {
|
||||
currentPage++;
|
||||
loadComments(currentPage);
|
||||
});
|
||||
|
||||
function updateTotalCount(delta) {
|
||||
var el = commentsTotal;
|
||||
var current = parseInt(el.textContent.replace(/[()]/g, '')) || 0;
|
||||
el.textContent = '(' + (current + delta) + ')';
|
||||
}
|
||||
|
||||
// ====== 图片上传 ======
|
||||
var imageUploadInput = document.getElementById('commentImageInput');
|
||||
var uploadLabel = document.getElementById('commentUploadLabel');
|
||||
var uploadPreview = document.getElementById('commentUploadPreview');
|
||||
|
||||
if (imageUploadInput && uploadLabel) {
|
||||
uploadLabel.addEventListener('click', function() {
|
||||
imageUploadInput.click();
|
||||
});
|
||||
|
||||
imageUploadInput.addEventListener('change', function() {
|
||||
var file = imageUploadInput.files[0];
|
||||
if (!file) return;
|
||||
uploadLabel.style.pointerEvents = 'none';
|
||||
uploadLabel.style.opacity = '0.5';
|
||||
uploadLabel.textContent = '上传中...';
|
||||
|
||||
var formData = new FormData();
|
||||
formData.append('file', file);
|
||||
|
||||
fetch('/api/comments/upload-image', {
|
||||
method: 'POST',
|
||||
headers: { 'X-CSRF-Token': getCSRFToken() },
|
||||
body: formData
|
||||
})
|
||||
.then(function(r) { return r.json(); })
|
||||
.then(function(d) {
|
||||
uploadLabel.style.pointerEvents = 'auto';
|
||||
uploadLabel.style.opacity = '1';
|
||||
uploadLabel.innerHTML = '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg> 图片';
|
||||
|
||||
if (d.success && d.data && d.data.url) {
|
||||
var imgUrl = '\n\n';
|
||||
var input = commentInput;
|
||||
var start = input.selectionStart;
|
||||
var end = input.selectionEnd;
|
||||
input.value = input.value.substring(0, start) + imgUrl + input.value.substring(end);
|
||||
input.focus();
|
||||
input.selectionStart = input.selectionEnd = start + imgUrl.length;
|
||||
} else {
|
||||
alert(d.message || '上传失败');
|
||||
}
|
||||
})
|
||||
.catch(function() {
|
||||
uploadLabel.style.pointerEvents = 'auto';
|
||||
uploadLabel.style.opacity = '1';
|
||||
uploadLabel.innerHTML = '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="16" height="16"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg> 图片';
|
||||
alert('上传失败');
|
||||
});
|
||||
|
||||
imageUploadInput.value = '';
|
||||
});
|
||||
}
|
||||
|
||||
// ====== 评论高亮 ======
|
||||
function highlightComment(commentId) {
|
||||
var card = commentsList.querySelector('.comment-card[data-id="' + commentId + '"]') ||
|
||||
commentsList.querySelector('.comment-reply-card[data-id="' + commentId + '"]');
|
||||
if (card) {
|
||||
commentsList.insertBefore(card, commentsList.firstChild);
|
||||
card.scrollIntoView({ behavior: 'smooth', block: 'start' });
|
||||
card.style.background = '#fff8e1';
|
||||
card.style.transition = 'background 1.5s';
|
||||
setTimeout(function() { card.style.background = ''; }, 2000);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
var hash = window.location.hash;
|
||||
var commentMatch = hash.match(/^#comment-(\d+)$/);
|
||||
if (commentMatch) {
|
||||
var targetCommentId = commentMatch[1];
|
||||
var checkInterval = setInterval(function() {
|
||||
if (highlightComment(targetCommentId)) {
|
||||
clearInterval(checkInterval);
|
||||
}
|
||||
}, 300);
|
||||
setTimeout(function() {
|
||||
clearInterval(checkInterval);
|
||||
if (!commentsList.querySelector('.comment-card[data-id="' + targetCommentId + '"]') &&
|
||||
!commentsList.querySelector('.comment-reply-card[data-id="' + targetCommentId + '"]')) {
|
||||
showToast('该评论已不存在');
|
||||
}
|
||||
}, 3000);
|
||||
} else if (hash === '#comments') {
|
||||
setTimeout(function() {
|
||||
var section = document.getElementById('comments');
|
||||
if (section) {
|
||||
section.scrollIntoView({ behavior: 'smooth', block: 'start' });
|
||||
}
|
||||
}, 400);
|
||||
}
|
||||
|
||||
// ====== 初始化 ======
|
||||
loadComments(currentPage);
|
||||
})();
|
||||
Reference in New Issue
Block a user