fix(editor): 修复编辑器样式和功能问题
修复编辑器容器高度设置问题，统一h2标签为h1 调整图片和视频的显示样式，修复表格背景色 优化编辑器工具栏功能，修复链接插入逻辑
This commit is contained in:
DESKTOP-RQ919RC\Pc
761
js/edit copy.js
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761
js/edit copy.js
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// 简单版本的论坛编辑器，确保图片插入功能正常
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const { createApp, ref, computed, onMounted, nextTick, onUnmounted } = Vue;
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const { headTop } = await import(withVer("../component/head-top/head-top.js"));
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const editApp = createApp({
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setup() {
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let titleLength = ref(200);
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let uniqid = ref("");
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onMounted(() => {
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const params = getUrlParams();
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uniqid.value = params.uniqid || "";
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getUserInfoWin();
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cUpload();
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init();
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checkWConfig();
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// 添加selectionchange事件监听，当鼠标选中区域内容时更新lastSelection
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document.addEventListener("selectionchange", handleSelectionChange);
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});
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// 组件卸载时移除事件监听
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onUnmounted(() => {
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document.removeEventListener("selectionchange", handleSelectionChange);
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});
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let imageLength = 10;
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let videoLength = 5;
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const checkWConfig = () => {
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const wConfig = JSON.parse(localStorage.getItem("wConfig")) || {};
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console.log("wConfig", wConfig);
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if (wConfig.time) {
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const time = new Date(wConfig.time);
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const now = new Date();
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if (now - time > 24 * 60 * 60 * 1000) getWConfig();
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else {
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const config = wConfig.config || {};
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titleLength.value = config.max_topic_title_length;
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imageLength = config.topic_image_count || 0;
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videoLength = config.topic_video_count || 0;
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}
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} else {
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getWConfig();
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}
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};
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const getWConfig = () => {
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ajaxGet("/v2/api/config/website").then((res) => {
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if (res.code == 200) {
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let data = res["data"] || {};
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const config = data.config || {};
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titleLength.value = config.max_topic_title_length;
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imageLength = config.topic_image_count || 0;
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videoLength = config.topic_video_count || 0;
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data.time = new Date().toISOString();
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localStorage.setItem("wConfig", JSON.stringify(data));
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}
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});
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};
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let isLogin = ref(false);
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let realname = ref(0); // 是否已经实名
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let userInfoWin = ref({});
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let permissions = ref([]);
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const getUserInfoWin = () => {
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const checkUser = () => {
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const user = window.userInfoWin;
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if (!user) return;
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document.removeEventListener("getUser", checkUser);
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realname.value = user.realname;
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userInfoWin.value = user;
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if (user?.uin > 0 || user?.uid > 0) isLogin.value = true;
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permissions.value = user?.authority || [];
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};
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document.addEventListener("getUser", checkUser);
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};
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const openAttest = () => {
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const handleAttestClose = () => {
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document.removeEventListener("closeAttest", handleAttestClose);
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realname.value = window.userInfoWin?.realname || 0;
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};
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// 启动认证流程时添加监听
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document.addEventListener("closeAttest", handleAttestClose);
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loadAttest(2);
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};
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// 跳转登录
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const goLogin = () => {
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if (typeof window === "undefined") return;
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if (window["userInfoWin"] && Object.keys(window["userInfoWin"]).length !== 0) {
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if (window["userInfoWin"]["uid"]) isLogin.value = true;
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else ajax_login();
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} else ajax_login();
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};
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let uConfigData = {};
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const cUpload = () => {
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ajaxGet(`/v2/api/config/upload?type=topic`).then((res) => {
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const data = res.data;
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uConfigData = data;
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});
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};
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let info = ref({});
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let tagList = ref([]);
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let token = ref("");
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let infoImages = [];
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const init = () => {
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ajax("/v2/api/forum/postPublishInit", {
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uniqid: uniqid.value,
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})
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.then((res) => {
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const data = res.data;
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if (res.code != 200) {
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creationAlertBox("error", res.message || "操作失败");
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return;
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}
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const infoTarget = data.info || {};
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if (infoTarget.content) infoTarget.content = restoreHtml(infoTarget.content, infoTarget.attachments);
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info.value = infoTarget;
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token.value = data.token;
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nextTick(() => {
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judgeIsEmpty();
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});
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})
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.catch((err) => {
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console.log("err", err);
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});
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};
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const restoreHtml = (formattedText, attachments) => {
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const imageList = attachments?.images || [];
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const filesList = attachments?.files || [];
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const videosList = attachments?.videos || [];
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let html = formattedText;
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// 1. 还原换行符为<br>标签
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html = html.replace(/\n/g, "<br>");
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// 2. 还原块级标签的换行标记
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html = html.replace(/<br><div>/g, "<div>");
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html = html.replace(/<\/div><br>/g, "</div>");
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// 3. 还原标签标记为span.blue
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html = html.replace(/\[tag\]([^[]+)\[\/tag\]/gi, '<span class="blue">#$1</span> <span class="fill"></span> ');
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// 4. 还原粗体标记为h2标签
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html = html.replace(/\[b\]([\s\S]*?)\[\/b\]/gi, "<h2>$1</h2>");
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// 5. 还原图片标记为img标签（使用提供的imageList）
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html = html.replace(/\[attachimg\](\d+)\[\/attachimg\]/gi, (match, aid) => {
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// 查找对应的图片信息
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const image = imageList.find((img) => img.aid == aid);
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if (image) {
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imageList.splice(imageList.indexOf(image), 1);
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return `<img src="${image.url}" data-aid="${aid}"><br/>`;
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}
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return match; // 未找到对应图片时保留原始标记
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});
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html = html.replace(/\[attach\](\d+)\[\/attach\]/gi, (match, aid) => {
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// 查找对应的图片信息
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const image = imageList.find((img) => img.aid == aid);
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if (image) {
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imageList.splice(imageList.indexOf(image), 1);
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return `<img src="${image.url}" data-aid="${aid}"><br/>`;
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}
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// 查找对应的视频信息
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const video = videosList.find((v) => v.aid == aid);
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if (video) {
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console.log("video", video);
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videosList.splice(videosList.indexOf(video), 1);
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return `<video contenteditable="false" src="${video.url}" width="400" height="400" preload="none" poster="${video.posterurl}" aid="${video.aid}" posterid="${video.posterid}" controls></video>`;
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}
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return match; // 未找到对应图片时保留原始标记
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});
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// 6. 还原填充标签
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html = html.replace(/(<span class="blue">[^<]+<\/span>)\s+/gi, '$1 <span class="fill"></span> ');
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// 7. 清理多余的<br>标签
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// html = html.replace(/<br><br>/g, "<br>");
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imageList.forEach((element) => {
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html += `<img src="${element.url}" data-aid="${element.aid}"><br/>`;
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});
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// video 不要预加载
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videosList.forEach((element) => {
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html += `<video contenteditable="false" src="${element.url}" width="400" height="400" preload="none" poster="${element.posterurl}" aid="${element.aid}" posterid="${element.posterid}" controls></video><br/>`;
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});
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return html;
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};
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onMounted(() => {
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setTimeout(() => focusLastNode(), 1000);
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// document.addEventListener("keydown", handleUndoKeydown);
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});
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const editorRef = ref(null);
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const focusLastNode = () => {
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const newRange = document.createRange();
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const textNode = document.createTextNode("");
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editorRef.value.appendChild(textNode);
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newRange.setStartAfter(textNode, 0);
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newRange.setEndAfter(textNode, 0);
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lastSelection = newRange;
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};
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let lastSelection = null;
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let loading = ref(false);
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const maxSize = 20 * 1024 * 1024; // 20MB
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const insertImage = (event) => {
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const images = extractImages(editorRef.value);
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const count = imageLength - images.length || 0;
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if (count == 0) {
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creationAlertBox("error", `最多只能上传 ${imageLength} 张图片`);
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return;
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}
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const target = event.target.files[0];
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if (!target) return; // 处理未选择文件的情况
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if (target.size > maxSize) {
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creationAlertBox("error", "文件大小不能超过 20MB");
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return;
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}
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loading.value = true;
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uploading(target, target.name, "image").then((data) => {
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const selection = window.getSelection();
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editorRef.value.focus();
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if (lastSelection) {
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selection.removeAllRanges();
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selection.addRange(lastSelection);
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}
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const html = `<img src="${data.url}" data-aid="${data.aid}"><br/>`;
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document.execCommand("insertHTML", false, html);
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judgeIsEmpty();
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});
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};
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const insertVideo = async (event) => {
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const videos = extractVideos(editorRef.value);
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const count = videoLength - videos.length || 0;
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if (count == 0) {
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creationAlertBox("error", `最多只能上传 ${videoLength} 个视频`);
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return;
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}
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const videoFile = event.target.files[0];
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if (!videoFile) return; // 处理未选择文件的情况
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if (videoFile.size > maxSize) {
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creationAlertBox("error", "文件大小不能超过 20MB");
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return;
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}
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loading.value = true;
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console.log("videoFile", videoFile);
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// 步骤1：提取视频第一帧（等待提取完成）
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const coverFile = await getVideoFirstFrame(videoFile);
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console.log("第一帧提取成功", coverFile);
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// 步骤2：先上传视频文件（type 传 'video'，按后端要求调整）
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const videoUploadRes = await uploading(videoFile, videoFile.name, "video");
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console.log("视频上传成功", videoUploadRes);
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// 步骤3：再上传第一帧封面（type 传 'cover'，按后端要求调整）
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const coverUploadRes = await uploading(coverFile, coverFile.name, "image");
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console.log("封面上传成功", coverUploadRes);
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console.log("最终", videoUploadRes, videoUploadRes);
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const selection = window.getSelection();
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editorRef.value.focus();
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if (lastSelection) {
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selection.removeAllRanges();
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selection.addRange(lastSelection);
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}
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const html = `<video width="400" height="400" controls preload="none" poster="${coverUploadRes.url}" src="${videoUploadRes.url}" contenteditable="false" posterid="${coverUploadRes.aid}" aid="${videoUploadRes.aid}"></video><br/>`;
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document.execCommand("insertHTML", false, html);
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judgeIsEmpty();
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};
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let isEmpty = ref(true);
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const onEditorInput = (event) => {
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const selection = window.getSelection();
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if (selection.rangeCount > 0) {
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lastSelection = selection.getRangeAt(0);
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// console.log("更新选区");
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updatePTitleStatus();
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}
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judgeIsEmpty();
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// debouncedGetTagList();
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};
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// 防抖函数
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const debounce = (fn, delay = 500) => {
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let timer = null;
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return function () {
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if (timer) {
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clearTimeout(timer);
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}
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timer = setTimeout(() => {
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fn.apply(this, arguments);
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timer = null;
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}, delay);
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};
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};
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const getRandomChinese = () => {
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// 中文 Unicode 范围：\u4e00 - \u9fa5（共约 2 万个汉字）
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const start = 0x4e00; // 起始编码
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const end = 0x9fa5; // 结束编码
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// 生成范围内的随机整数，转为字符
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return String.fromCodePoint(Math.floor(Math.random() * (end - start + 1) + start));
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};
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const generateRandomString = (length = 5) => {
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// 定义字符集：包含大小写字母和数字
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const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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let result = "";
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// 循环生成指定长度的随机字符
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for (let i = 0; i < length; i++) {
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// 从字符集中随机取一个字符
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const randomIndex = Math.floor(Math.random() * chars.length);
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result += chars[randomIndex];
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}
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return result;
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};
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const getTagList = () => {
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if (!isLogin.value) {
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goLogin();
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return;
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}
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const content = editorRef.value.innerText;
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ajax("/v2/api/forum/postPublishTags", {
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content,
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}).then((res) => {
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res = res.data;
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if (res.code != 200) return;
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let data = res.data || [];
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// 随机生成一下数据
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for (let i = 0; i < 5; i++) {
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data.push({
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title: getRandomChinese() + getRandomChinese(),
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tagId: generateRandomString(),
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});
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}
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tagList.value = data;
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});
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};
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const debouncedGetTagList = debounce(getTagList, 500);
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let isBottomState = ref(false); // 底部按钮 显示
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const onEditorFocus = () => {
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isBottomState.value = true;
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};
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const onEditorBlur = () => {
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isBottomState.value = false;
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};
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// 判断是否为空
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const judgeIsEmpty = () => {
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const text = editorRef.value.innerText;
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isEmpty.value = text.length == 0 && !editorRef.value.querySelector("img") && !editorRef.value.querySelector("video");
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};
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// 处理选中文本变化的函数
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const handleSelectionChange = () => {
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const selection = window.getSelection();
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// 确保有选中内容且选中区域在编辑器内
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if (selection.rangeCount > 0) {
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const range = selection.getRangeAt(0);
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// 检查选中区域是否在编辑器内
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const commonAncestor = range.commonAncestorContainer;
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if (editorRef.value.contains(commonAncestor)) {
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console.log("选中区域在编辑器内", range);
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lastSelection = range;
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}
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}
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};
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const isPTitle = ref(false);
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const paragraphTitle = () => {
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editorRef.value.focus();
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if (!lastSelection) return;
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const selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange(lastSelection);
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// 使用try-catch确保即使命令执行失败也能恢复滚动位置
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try {
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document.execCommand("formatBlock", false, isPTitle.value ? "P" : "H2");
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} catch (error) {
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console.error("应用段落格式失败:", error);
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}
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// 更新状态
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setTimeout(() => updatePTitleStatus(), 100);
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};
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const updatePTitleStatus = () => {
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if (lastSelection) {
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let parentElement = lastSelection.commonAncestorContainer;
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// 死循环，直到遇到终止条件
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while (true) {
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// 如果没有父元素了（到达文档根节点），退出循环返回false
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if (!parentElement) {
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isPTitle.value = false;
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return;
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}
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// 遇到id为"editor"的元素，返回false
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if (parentElement.id === "editor") {
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isPTitle.value = false;
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return;
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}
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// 遇到nodeName为"H2"的元素，返回true（注意nodeName是大写的）
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if (parentElement.nodeName === "H2") {
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isPTitle.value = true;
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return;
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}
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|
||||
// 继续向上查找父元素
|
||||
parentElement = parentElement.parentElement;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const cutAnonymity = () => (info.value.anonymous = info.value.anonymous ? 0 : 1);
|
||||
|
||||
let emojiState = ref(false);
|
||||
|
||||
const optionEmoji = ref(["😀", "😁", "😆", "😅", "😂", "😉", "😍", "🥰", "😘", "🤥", "😪", "😵💫", "🤓", "🥺", "😋", "😜", "🤪", "😎", "🤩", "🥳", "😔", "🙁", "😭", "😡", "😳", "🤗", "🤔", "🤭", "🤫", "😯", "😵", "🙄", "🥴", "🤢", "🤑", "🤠", "👌", "✌️", "🤟", "🤘", "🤙", "👍", "👎", "✊", "👏", "🤝", "🙏", "💪", "❎️", "✳️", "✴️", "❇️", "#️⃣", "*️⃣", "1️⃣", "2️⃣", "3️⃣", "4️⃣", "5️⃣", "6️⃣", "7️⃣", "8️⃣", "9️⃣", "🔟", "🆗", "🈶", "🉐", "🉑", "🌹", "🥀", "🌸", "🌺", "🌷", "🌲", "☘️", "🍀", "🍁", "🌙", "⭐", "🌍", "☀️", "⭐️", "🌟", "☁️", "🌈", "☂️", "❄️", "☃️", "☄️", "🔥", "💧", "🍎", "🍐", "🍊", "🍉", "🍓", "🍑", "🍔", "🍟", "🍕", "🥪", "🍜", "🍡", "🍨", "🍦", "🎂", "🍰", "🍭", "🍿", "🍩", "🧃", "🍹", "🍒", "🥝", "🥒", "🥦", "🥨", "🌭", "🥘", "🍱", "🍢", "🥮", "🍩", "🍪", "🧁", "🍵", "🍶", "🍻", "🥂", "🧋", "🎉", "🎁", "🧧", "🎃", "🎄", "🧨", "✨️", "🎈", "🎊", "🎋", "🎍", "🎀", "🎖️", "🏆️", "🏅", "💌", "📬", "🚗", "🚕", "🚲", "🛵", "🚀", "🚁", "⛵", "🚢", "🔮", "🧸", "🀄️"]);
|
||||
|
||||
const openEmoji = () => (emojiState.value = true);
|
||||
|
||||
const closeEmoji = () => (emojiState.value = false);
|
||||
|
||||
const selectEmoji = (emoji) => {
|
||||
const selection = window.getSelection();
|
||||
editorRef.value.focus();
|
||||
if (lastSelection) {
|
||||
selection.removeAllRanges();
|
||||
selection.addRange(lastSelection);
|
||||
}
|
||||
document.execCommand("insertText", false, emoji);
|
||||
closeEmoji();
|
||||
judgeIsEmpty();
|
||||
};
|
||||
|
||||
let format = ref("");
|
||||
const submit = (status) => {
|
||||
if (realname.value == 0 && userInfoWin.value?.uin > 0) {
|
||||
openAttest();
|
||||
return;
|
||||
}
|
||||
|
||||
if (!isLogin.value) {
|
||||
goLogin();
|
||||
return;
|
||||
}
|
||||
|
||||
const infoTarget = { ...info.value } || {};
|
||||
let content = editorRef.value.innerHTML;
|
||||
|
||||
const images = extractImages(editorRef.value);
|
||||
const videos = extractVideos(editorRef.value);
|
||||
|
||||
infoTarget.attachments = infoTarget.attachments || {};
|
||||
infoTarget.attachments.images = images;
|
||||
infoTarget.attachments.videos = videos;
|
||||
|
||||
info.value["attachments"] = info.value["attachments"] || {};
|
||||
info.value["attachments"]["images"] = images;
|
||||
info.value["attachments"]["videos"] = videos;
|
||||
|
||||
content = formatContent(content);
|
||||
|
||||
const data = {
|
||||
...infoTarget,
|
||||
content,
|
||||
};
|
||||
|
||||
ajax("/v2/api/forum/postPublishTopic", {
|
||||
info: data,
|
||||
token: token.value,
|
||||
status,
|
||||
}).then((res) => {
|
||||
const data = res.data;
|
||||
if (res.code != 200) {
|
||||
creationAlertBox("error", res.message);
|
||||
return;
|
||||
}
|
||||
|
||||
creationAlertBox("success", res.message || "操作成功");
|
||||
const back = () => {
|
||||
if (status == 1) redirectToExternalWebsite("/details/" + data.uniqid, "_self");
|
||||
else redirectToExternalWebsite("/", "_self");
|
||||
};
|
||||
|
||||
setTimeout(() => back(), 1500);
|
||||
});
|
||||
};
|
||||
|
||||
const formatContent = (html) => {
|
||||
// 1. 替换图片标签
|
||||
html = html.replace(/<img[^>]*data-aid="(\d+)"[^>]*>/gi, "[attachimg]$1[/attachimg]");
|
||||
|
||||
// 1.1 替换视频标签
|
||||
html = html.replace(/<video[^>]*aid="(\d+)"[^>]*>[\s\S]*?<\/video>/gi, "[attach]$1[/attach]");
|
||||
|
||||
// 2. 替换H2标签
|
||||
html = html.replace(/<h2[^>]*>([\s\S]*?)<\/h2>/gi, "[b]$1[/b]");
|
||||
|
||||
// 5. 处理块级标签换行（仅<div>等块级标签前后换行，保持行内内容连续）
|
||||
// 块级标签：div、p、h1-h6等，这里以div为例
|
||||
html = html.replace(/<\/div>\s*/gi, "</div>\n"); // 闭合div后换行
|
||||
html = html.replace(/\s*<div[^>]*>/gi, "\n<div>"); // 开启div前换行
|
||||
|
||||
// 6. 处理<br>为换行
|
||||
html = html.replace(/<br\s*\/?>/gi, "\n");
|
||||
|
||||
// 7. 移除所有剩余HTML标签 a标签除外
|
||||
html = html.replace(/<(?!(a\b|\/a\b))[^>]+>/gi, "");
|
||||
|
||||
// 8. 清理连续换行（最多保留两个空行，避免过多空行）
|
||||
// html = html.replace(/\n{3,}/g, "\n\n");
|
||||
// 去除首尾空白
|
||||
html = html.trim();
|
||||
|
||||
return html;
|
||||
};
|
||||
|
||||
const extractImages = (dom) => {
|
||||
const images = [];
|
||||
|
||||
// 直接查找页面中所有带 data-aid 的 img 标签
|
||||
const imgElements = dom.querySelectorAll("img");
|
||||
|
||||
imgElements.forEach((imgEl) => {
|
||||
const url = imgEl.getAttribute("src")?.trim() || "";
|
||||
const aid = imgEl.dataset.aid?.trim() || ""; // 用 dataset 简化自定义属性读取
|
||||
|
||||
images.push({
|
||||
url,
|
||||
aid: Number(aid),
|
||||
});
|
||||
});
|
||||
return images;
|
||||
};
|
||||
|
||||
const extractVideos = (dom) => {
|
||||
// 1. 查找页面中所有 <video> 节点（返回 NodeList 集合）
|
||||
const videoElements = dom.querySelectorAll("video");
|
||||
const result = [];
|
||||
|
||||
// 2. 遍历每个 video 节点，直接获取属性
|
||||
videoElements.forEach((videoEl) => {
|
||||
const url = videoEl.getAttribute("src")?.trim() || ""; // 视频地址
|
||||
const posterurl = videoEl.getAttribute("poster")?.trim() || ""; // 封面图
|
||||
const aid = videoEl.getAttribute("aid")?.trim() || ""; // 视频 ID（自定义属性）
|
||||
const posterid = videoEl.getAttribute("posterid")?.trim() || ""; // 封面 ID（自定义属性）
|
||||
|
||||
result.push({
|
||||
aid: Number(aid),
|
||||
posterid: Number(posterid),
|
||||
url,
|
||||
posterurl,
|
||||
});
|
||||
});
|
||||
|
||||
console.log("提取完成的视频列表：", result);
|
||||
return result;
|
||||
};
|
||||
|
||||
const handleClick = () => {
|
||||
const selection = window.getSelection();
|
||||
|
||||
if (selection.rangeCount > 0) {
|
||||
lastSelection = selection.getRangeAt(0);
|
||||
// console.log("更新选区");
|
||||
updatePTitleStatus();
|
||||
}
|
||||
};
|
||||
|
||||
let linkUrl = ref("");
|
||||
let linkText = ref("");
|
||||
|
||||
let linkState = ref(false);
|
||||
const openLink = () => {
|
||||
console.log("打开链接");
|
||||
const text = lastSelection ? lastSelection.toString().trim() : "";
|
||||
console.log("lastSelection", text);
|
||||
linkText.value = text;
|
||||
linkState.value = true;
|
||||
};
|
||||
|
||||
const closeLink = () => {
|
||||
console.log("关闭链接");
|
||||
linkState.value = false;
|
||||
linkText.value = "";
|
||||
linkUrl.value = "";
|
||||
};
|
||||
|
||||
const insertLink = () => {
|
||||
if (linkText.value == "" || linkUrl.value == "") {
|
||||
creationAlertBox("error", "请输入链接文字和链接地址");
|
||||
return;
|
||||
}
|
||||
const selection = window.getSelection();
|
||||
editorRef.value.focus();
|
||||
if (lastSelection) {
|
||||
selection.removeAllRanges();
|
||||
selection.addRange(lastSelection);
|
||||
}
|
||||
const html = `<a href="${linkUrl.value}" target="_blank" contenteditable="false">${linkText.value}</a>`;
|
||||
document.execCommand("insertHTML", false, html);
|
||||
closeLink();
|
||||
judgeIsEmpty();
|
||||
};
|
||||
|
||||
const uploading = (target, name, type) => {
|
||||
return new Promise((resolve, reject) => {
|
||||
let config = uConfigData;
|
||||
const formData = new FormData();
|
||||
formData.append(config.requestName, target); // 文件数据
|
||||
formData.append("name", name); // 文件名
|
||||
formData.append("type", type); // 文件名
|
||||
formData.append("data", config.params.data); // 文件名
|
||||
|
||||
ajax(config.url, formData)
|
||||
.then((res) => {
|
||||
const data = res.data;
|
||||
try {
|
||||
resolve(data);
|
||||
} catch (error) {
|
||||
console.error("插入图片出错:", error);
|
||||
}
|
||||
})
|
||||
.finally(() => {
|
||||
loading.value = false;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
// 封装：提取视频第一帧（返回 Promise，resolve 第一帧 Blob）
|
||||
const getVideoFirstFrame = (videoFile) => {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (!(videoFile instanceof File) || !videoFile.type.startsWith("video/")) {
|
||||
reject(new Error("请传入合法的视频文件"));
|
||||
return;
|
||||
}
|
||||
|
||||
const objectUrl = URL.createObjectURL(videoFile);
|
||||
const video = document.createElement("video");
|
||||
video.src = objectUrl;
|
||||
video.preload = "auto";
|
||||
video.muted = true;
|
||||
video.playsInline = true;
|
||||
|
||||
const cleanup = () => {
|
||||
URL.revokeObjectURL(objectUrl);
|
||||
video.src = "";
|
||||
};
|
||||
|
||||
video.addEventListener(
|
||||
"error",
|
||||
() => {
|
||||
cleanup();
|
||||
reject(new Error("视频加载失败，请检查文件完整性"));
|
||||
},
|
||||
{ once: true }
|
||||
);
|
||||
|
||||
video.addEventListener(
|
||||
"loadeddata",
|
||||
() => {
|
||||
const canvas = document.createElement("canvas");
|
||||
const w = video.videoWidth || 320;
|
||||
const h = video.videoHeight || 240;
|
||||
canvas.width = w;
|
||||
canvas.height = h;
|
||||
const ctx = canvas.getContext("2d");
|
||||
try {
|
||||
ctx.drawImage(video, 0, 0, w, h);
|
||||
} catch (e) {
|
||||
cleanup();
|
||||
reject(e);
|
||||
return;
|
||||
}
|
||||
canvas.toBlob(
|
||||
(blob) => {
|
||||
cleanup();
|
||||
if (!blob) {
|
||||
reject(new Error("第一帧提取失败，Blob 生成异常"));
|
||||
return;
|
||||
}
|
||||
const frameFile = new File([blob], `video_cover_${Date.now()}.png`, { type: "image/png" });
|
||||
resolve(frameFile);
|
||||
},
|
||||
"image/png",
|
||||
0.9
|
||||
);
|
||||
},
|
||||
{ once: true }
|
||||
);
|
||||
});
|
||||
};
|
||||
|
||||
const linkClick = () => {};
|
||||
|
||||
return { linkClick, insertVideo, insertLink, linkUrl, linkText, linkState, openLink, closeLink, handleClick, uniqid, userInfoWin, titleLength, submit, emojiState, openEmoji, closeEmoji, selectEmoji, optionEmoji, isPTitle, onEditorInput, onEditorFocus, onEditorBlur, paragraphTitle, info, tagList, token, cutAnonymity, editorRef, insertImage, judgeIsEmpty, isEmpty };
|
||||
},
|
||||
});
|
||||
|
||||
editApp.component("headTop", headTop);
|
||||
editApp.mount("#edit");
|
||||
Reference in New Issue
Block a user