function uploadImages(picker, url, callback) { var img_uploader = WebUploader.create({ auto: true, server: url, pick: picker, fileNumLimit: 1, fileSingleSizeLimit: 2097152, // 2M accept: { title: 'Images', extensions: 'gif,jpg,jpeg,bmp,png', // mimeTypes: 'image/*' }, compress: { width: 300, compressSize: 102400 // < 100kb 不压缩 }, }) var fileType = ['image/jpeg', 'image/jpg', 'image/gif', 'image/png', 'image/bmp'] img_uploader.on('beforeFileQueued', function(file) { fileType.some(function(name) { return file.type === name }) ? '' : alert('请上传正确的图片！') }) img_uploader.on('uploadSuccess', function(file, res) { callback(file, res) }) img_uploader.on('uploadError', function(file, reason) { console.log(reason); }) img_uploader.on('uploadComplete', function(file) { img_uploader.reset() }) }
html
<div>图片</div>
javascript
var coverImage; initImageUploader(); function initImageUploader(){ var fileUrl = 你想上传的地址; uploadImages('#imagePicker', fileUrl, function(file, res) { coverImage = res.url $('#zTu').get(0).innerHTML = '<div><img src="' + res.url + '" /></div>' }) }