dekun
98 lines
3.9 KiB
JavaScript
98 lines
3.9 KiB
JavaScript
(function () {
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function initSymbolInput(wrapper) {
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const input = wrapper.querySelector('.symbol-input');
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const hiddenThs = wrapper.querySelector('input[name="symbol"]');
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const hiddenName = wrapper.querySelector('input[name="symbol_name"]');
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const hiddenSina = wrapper.querySelector('input[name="sina_code"]');
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const dropdown = wrapper.querySelector('.symbol-dropdown');
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const selectedEl = wrapper.querySelector('.symbol-selected');
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let timer = null;
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function hideDropdown() {
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dropdown.classList.remove('show');
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}
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function selectItem(item) {
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input.value = item.name;
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hiddenThs.value = item.ths_code;
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hiddenName.value = item.name;
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if (hiddenSina) hiddenSina.value = item.sina_code;
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selectedEl.textContent = '同花顺: ' + item.ths_code + ' | 主力 ' + (item.contract || item.ths_code);
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hideDropdown();
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}
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function renderItems(items) {
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dropdown.innerHTML = '';
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if (!items.length) {
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dropdown.innerHTML = '<div class="symbol-option">无匹配品种，可输入同花顺合约如 ag2606</div>';
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} else {
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items.forEach(function (item) {
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const div = document.createElement('div');
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div.className = 'symbol-option';
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div.innerHTML = item.display +
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'<div class="sub">同花顺 ' + item.ths_code + ' · ' + item.exchange + '</div>';
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div.addEventListener('mousedown', function (e) {
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e.preventDefault();
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selectItem(item);
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});
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dropdown.appendChild(div);
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});
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}
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dropdown.classList.add('show');
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}
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input.addEventListener('input', function () {
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hiddenThs.value = '';
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hiddenName.value = '';
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if (hiddenSina) hiddenSina.value = '';
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selectedEl.textContent = '';
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const q = input.value.trim();
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if (!q) {
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hideDropdown();
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return;
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}
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clearTimeout(timer);
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timer = setTimeout(function () {
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fetch('/api/symbols/search?q=' + encodeURIComponent(q))
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.then(function (r) { return r.json(); })
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.then(renderItems)
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.catch(function () { hideDropdown(); });
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}, 300);
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});
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input.addEventListener('blur', function () {
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setTimeout(hideDropdown, 150);
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});
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input.addEventListener('focus', function () {
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const q = input.value.trim();
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if (q && !hiddenThs.value) {
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fetch('/api/symbols/search?q=' + encodeURIComponent(q))
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.then(function (r) { return r.json(); })
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.then(renderItems);
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}
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});
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}
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document.addEventListener('DOMContentLoaded', function () {
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document.querySelectorAll('.symbol-wrap').forEach(initSymbolInput);
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document.querySelectorAll('form').forEach(function (form) {
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if (!form.querySelector('.symbol-wrap')) return;
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form.addEventListener('submit', function (e) {
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const ths = form.querySelector('input[name="symbol"]');
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const sina = form.querySelector('input[name="sina_code"]');
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if (ths && !ths.value.trim()) {
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e.preventDefault();
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alert('请从下拉列表选择品种');
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return;
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}
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if (sina && !sina.value.trim()) {
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e.preventDefault();
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alert('请从下拉列表选择品种（需含同花顺合约代码）');
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}
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});
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});
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});
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})();
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