feat: 简航 SimpleNav 个人网站导航系统（PHP + SQLite）

- 前台：搜索引擎切换+联想下拉、网格板块（常用/工具）、合集标签页 - 后台：初始化/登录、网站/板块/引擎增删改、上下移排序 - 添加网站自动抓取名称与图标（存储于服务器），支持自定义简称 - 一键全部更新（批量刷新图标+名称，保留自定义简称） - 搜索联想服务端代理（必应/百度/谷歌/搜狗/360/DuckDuckGo） - 零依赖：原生 CSS/JS，PDO SQLite
2026-09-28 15:48:35 +08:00
parent 714874f11f
commit 6e83cc3ecc
44 changed files with 2169 additions and 2 deletions
@@ -0,0 +1,90 @@
+/* 简航 SimpleNav —— 前台交互：搜索引擎切换 + 联想下拉 + 合集标签页 */
+(function () {
+  'use strict';
+  var cfg = window.SIMPLENAV || {};
+
+  /* ---------- 搜索引擎切换 ---------- */
+  var tabs = document.querySelectorAll('#engine-tabs .s-engine');
+  var form = document.getElementById('search-form');
+  var input = document.getElementById('search-text');
+
+  function activateEngine(el) {
+    tabs.forEach(function (t) { t.classList.remove('active'); });
+    el.classList.add('active');
+    var search = el.getAttribute('data-search');
+    var param = el.getAttribute('data-param');
+    var slug = el.getAttribute('data-slug');
+    var ph = el.getAttribute('data-placeholder') || '搜索';
+    if (form) { form.setAttribute('action', search); }
+    if (input) { input.setAttribute('name', param); input.setAttribute('placeholder', ph); }
+    form.setAttribute('data-slug', slug);
+    hideWord();
+  }
+  tabs.forEach(function (el) {
+    el.addEventListener('click', function () { activateEngine(el); input && input.focus(); });
+  });
+
+  /* ---------- 联想下拉 ---------- */
+  var word = document.getElementById('word');
+  var timer = null;
+  var lastQ = '';
+
+  function hideWord() { if (word) { word.innerHTML = ''; word.style.display = 'none'; } }
+  function showWord(items) {
+    if (!word) return;
+    if (!items || !items.length) { hideWord(); return; }
+    word.innerHTML = items.map(function (t) {
+      var d = document.createElement('div');
+      d.textContent = t;
+      return '<li>' + d.innerHTML + '</li>';
+    }).join('');
+    word.style.display = 'block';
+  }
+
+  if (input) {
+    input.addEventListener('input', function () {
+      var q = input.value.trim();
+      if (q === '') { hideWord(); return; }
+      if (q === lastQ) return;
+      lastQ = q;
+      clearTimeout(timer);
+      timer = setTimeout(function () {
+        var slug = form ? (form.getAttribute('data-slug') || '') : '';
+        fetch(cfg.suggest + '?slug=' + encodeURIComponent(slug) + '&q=' + encodeURIComponent(q))
+          .then(function (r) { return r.json(); })
+          .then(function (data) { showWord(data && data.items); })
+          .catch(function () { hideWord(); });
+      }, 180);
+    });
+
+    input.addEventListener('keydown', function (e) {
+      if (e.key === 'Enter' && word && word.style.display === 'block' && word.firstChild) {
+        // 默认走第一条建议
+        input.value = word.firstChild.textContent;
+        hideWord();
+      }
+    });
+  }
+
+  document.addEventListener('click', function (e) {
+    if (word && !word.contains(e.target) && e.target !== input) { hideWord(); }
+    var li = e.target.closest ? e.target.closest('#word li') : null;
+    if (li) {
+      input.value = li.textContent;
+      hideWord();
+      if (form) { form.submit(); }
+    }
+  });
+
+  /* ---------- 合集标签页 ---------- */
+  var collTabs = document.querySelectorAll('#coll-tabs .tab');
+  collTabs.forEach(function (tab) {
+    tab.addEventListener('click', function () {
+      collTabs.forEach(function (t) { t.classList.remove('active'); });
+      tab.classList.add('active');
+      document.querySelectorAll('.tab-panel').forEach(function (p) { p.classList.remove('active'); });
+      var panel = document.getElementById(tab.getAttribute('data-target'));
+      if (panel) { panel.classList.add('active'); }
+    });
+  });
+})();