Create imageUpload.js
Browse files- imageUpload.js +91 -0
imageUpload.js
ADDED
@@ -0,0 +1,91 @@
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// 假设页面已经加载了image-compression库
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// JavaScript函数,用于上传图片并返回完整的URL地址
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function uploadImagesAndGetFullUrls(fileInputId, uploadEndpoint, hostUrl) {
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const fileInput = document.getElementById(fileInputId);
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const files = fileInput.files;
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const formData = new FormData();
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// 图片压缩功能
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function compressImage(file) {
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const options = {
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maxSizeMB: 5, // 最大文件大小
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maxWidthOrHeight: 1920, // 图片最大宽度或高度
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useWebWorker: true
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};
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return imageCompression(file, options)
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.then(compressedFile => {
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console.log(`原始文件大小:${file.size / 1024 / 1024} MB`);
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console.log(`压缩后文件大小:${compressedFile.size / 1024 / 1024} MB`);
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return compressedFile;
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})
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.catch(error => {
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console.error('图片压缩失败:', error);
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return file; // 如果压缩失败,返回原始文件
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});
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}
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// 处理所有选中的文件
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const compressPromises = Array.from(files).map(compressImage);
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return Promise.all(compressPromises)
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.then(compressedFiles => {
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compressedFiles.forEach(compressedFile => {
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formData.append('file[]', compressedFile);
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});
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return fetch(`${hostUrl}${uploadEndpoint}`, {
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method: 'POST',
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body: formData
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});
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})
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.then(response => {
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if (!response.ok) {
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throw new Error('网络响应不是OK状态');
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}
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return response.json();
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})
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.then(data => {
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if (data.error) {
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throw new Error(data.error);
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}
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return data.map(item => `${hostUrl}${item.src}`);
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});
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}
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// 定义host URL和上传端点
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const hostUrl = 'https://upimg.wook.eu.org';
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const uploadEndpoint = '/upload';
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// 在文档加载完成后添加事件监听器
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document.addEventListener('DOMContentLoaded', function() {
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const form = document.querySelector('form');
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const urlTextArea = document.querySelector('textarea[name="imageUrls"]');
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const fileInput = document.getElementById('imageFileInput');
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form.addEventListener('submit', function(event) {
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// 检查URL文本区域是否为空
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if (urlTextArea.value.trim() === '' && fileInput.files.length > 0) {
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// 阻止表单的默认提交行为
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event.preventDefault();
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// 调用函数上传图片并获取URL
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uploadImagesAndGetFullUrls('imageFileInput', uploadEndpoint, hostUrl)
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.then(fullUrls => {
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// 将获取到的URLs添加到文本区域
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urlTextArea.value = fullUrls.join('\n');
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// 使用新的URLs重新提交表单
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form.submit();
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})
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.catch(error => {
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console.error('上传失败:', error);
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});
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}
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});
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});
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function confirmDelete() {
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return confirm('确定要删除这张图片吗?');
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}
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