fix: 缩小顶部工具栏元素宽度，优化移动端保存图片到相册
This commit is contained in:
Zhukj
138
js/script.js
138
js/script.js
@@ -1766,7 +1766,7 @@
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`;
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const tipText = document.createElement('p');
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tipText.textContent = '预览图片';
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tipText.textContent = '长按图片保存到相册';
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tipText.style.cssText = `
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color: #fff;
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font-size: 18px;
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@@ -1778,16 +1778,41 @@
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img.src = dataUrl;
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img.style.cssText = `
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max-width: 100%;
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max-height: 80vh;
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max-height: 70vh;
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border-radius: 8px;
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box-shadow: 0 4px 20px rgba(255,255,255,0.2);
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-webkit-touch-callout: default;
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-webkit-user-select: auto;
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user-select: auto;
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`;
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const btnContainer = document.createElement('div');
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btnContainer.style.cssText = `
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display: flex;
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gap: 12px;
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margin-top: 20px;
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`;
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const saveBtn = document.createElement('button');
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saveBtn.textContent = '保存到相册';
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saveBtn.style.cssText = `
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padding: 12px 30px;
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font-size: 16px;
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background: #007AFF;
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color: #fff;
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border: none;
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border-radius: 25px;
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cursor: pointer;
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`;
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saveBtn.onclick = async () => {
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tipOverlay.remove();
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await saveImageToGallery(dataUrl);
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};
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const closeBtn = document.createElement('button');
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closeBtn.textContent = '关闭';
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closeBtn.style.cssText = `
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margin-top: 20px;
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padding: 12px 40px;
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padding: 12px 30px;
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font-size: 16px;
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background: #fff;
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color: #333;
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@@ -1797,12 +1822,70 @@
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`;
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closeBtn.onclick = () => tipOverlay.remove();
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btnContainer.appendChild(saveBtn);
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btnContainer.appendChild(closeBtn);
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tipOverlay.appendChild(tipText);
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tipOverlay.appendChild(img);
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tipOverlay.appendChild(closeBtn);
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tipOverlay.appendChild(btnContainer);
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document.body.appendChild(tipOverlay);
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}
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// 保存图片到相册
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async function saveImageToGallery(dataUrl) {
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const filename = '邀请函_' + Date.now() + '.png';
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// 尝试使用 File System Access API (Android/Chrome)
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if ('showSaveFilePicker' in window) {
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try {
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const blob = await (await fetch(dataUrl)).blob();
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const handle = await window.showSaveFilePicker({
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suggestedName: filename,
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types: [{
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description: 'PNG 图片',
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accept: { 'image/png': ['.png'] }
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}]
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});
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const writable = await handle.createWritable();
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await writable.write(blob);
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await writable.close();
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showToast('图片已保存到相册');
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return;
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} catch (err) {
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console.log('File System Access API 失败，使用传统方式');
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}
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}
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// 尝试使用 Web Share API (iOS Safari)
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if (navigator.share && navigator.canShare) {
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try {
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const blob = await (await fetch(dataUrl)).blob();
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const file = new File([blob], filename, { type: 'image/png' });
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if (navigator.canShare({ files: [file] })) {
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await navigator.share({
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files: [file],
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title: '邀请函',
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text: '保存邀请函图片'
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});
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showToast('图片已分享');
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return;
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}
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} catch (err) {
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console.log('Web Share API 失败，使用传统方式');
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}
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}
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// 传统下载方式
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const link = document.createElement('a');
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link.download = filename;
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link.href = dataUrl;
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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showToast('图片已保存，请在相册中查看');
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}
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// 隐藏右键菜单
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function hideContextMenu() {
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const existingMenu = document.getElementById('contextMenu');
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@@ -2039,12 +2122,9 @@
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cursor: pointer;
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margin-bottom: 12px;
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`;
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saveBtn.onclick = () => {
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saveBtn.onclick = async () => {
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tipOverlay.remove();
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const link = document.createElement('a');
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link.download = filename;
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link.href = dataUrl;
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link.click();
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await saveImageToGallery(dataUrl);
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};
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const cancelBtn = document.createElement('button');
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@@ -2096,6 +2176,44 @@
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savePanel.insertBefore(previewBtn, saveBtn);
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}
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// 显示 Toast 提示
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function showToast(message) {
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const toast = document.createElement('div');
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toast.style.cssText = `
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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background: rgba(0, 0, 0, 0.8);
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color: #fff;
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padding: 16px 24px;
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border-radius: 8px;
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font-size: 14px;
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z-index: 10001;
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pointer-events: none;
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animation: fadeInOut 2s ease forwards;
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`;
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toast.textContent = message;
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// 添加动画样式
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if (!document.getElementById('toastStyle')) {
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const style = document.createElement('style');
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style.id = 'toastStyle';
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style.textContent = `
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@keyframes fadeInOut {
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0% { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
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20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
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80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
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100% { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
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}
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`;
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document.head.appendChild(style);
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}
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document.body.appendChild(toast);
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setTimeout(() => toast.remove(), 2000);
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}
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// 窗口大小改变时更新图片位置和边界
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window.addEventListener('resize', () => {
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if (currentImage) {
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