<style> .photo-container{float: left;width: 300px;height: 300px;} .photo-container { padding-left: 10px; box-sizing: border-box; } .photo-container li{line-height: 20px;} .photo-container .photo-preview{margin-top: 10px;overflow: hidden;} .photo-container .photo-preview.col-1{width: 50px; height: 50px;} .photo-container .photo-preview.col-2{width: 100px; height: 100px;} </style> <section> <div> <input type="hidden" name="headphoto" id="headphoto" value="" /> <input type="file" name="uploadFile" id="uploadFile" data-width="100" data-height="100" accept="image/*"/> </div> <div class="clearfix"> <!--<p class="l-info">插件地址http://fengyuanchen.github.io/cropper</p>--> <div class="photo-container"> <img id="headerPhoto" src="images/default-header.jpg" /> </div> <ul class="photo-container"> <li class="photo-preview col-2"></li> <li class="photo-preview col-1"></li> </ul> </div> </section>
/* * 头像剪辑插件初始化 */ var $image = $('#headerPhoto'); var $previews = $('.photo-container .photo-preview'); var $cut = $('#cut'); var URL = window.URL || window.webkitURL; var blobURL; //cropper参数信息:https://github.com/fengyuanchen/cropper/blob/v2.1.0/README.md var option = { preview: '.photo-preview', //显示预览图片的元素 viewMode: 1, //设置剪裁框的视图模式(0-只在容器内,默认;1-在canvas内;2-容器不在canvas内;3-容器在canvas内) dragMode: 'move', //设置拖拽模式(crop-建立一个新的剪裁框,默认;move-移动canvas;none-什么都不作) aspectRatio: 1 / 1, ///*剪裁框比例*/ autoCropArea: 1, //初始剪裁框区域比例0~1 //guides: false, //是否显示剪裁框的虚线,突出裁剪框 //highlight: false, //是否有遮罩的半透明效果 //cropBoxMovable: false, //剪裁框是否能够移动 //cropBoxResizable: false, //是否能够自定义剪裁框的大小 built: function() {}, crop: function(e) { //设置预览图的大小 /*var imageData = $(this).cropper('getImageData'); var previewAspectRatio = e.width / e.height;//图片宽高比例 $previews.each(function() { var $preview = $(this); var previewWidth = $preview.width(); var previewHeight = previewWidth / previewAspectRatio;//经过宽度和宽高比例得到高 var imageScaledRatio = e.width / previewWidth; $preview.height(previewHeight).find('img').css({ width: imageData.naturalWidth / imageScaledRatio, height: imageData.naturalHeight / imageScaledRatio, marginLeft: -e.x / imageScaledRatio, marginTop: -e.y / imageScaledRatio }); });*/ } }; $image.cropper(option); //初始化cropper /* * 选择头像 */ $("input[type=file]").on('change', function() { $inputFileElm = $(this); img_class=$inputFileElm.attr('id'); var f=this.files[0]; var imgBase64=""; /*if(f.size > 1024*300){ alert("上传图片不要超过300KB"); return; }*/ option["aspectRatio"] = parseInt($inputFileElm.data("width")) / parseInt($inputFileElm.data("height")) $image.cropper('destroy').cropper(option); if (URL) { var file, files = this.files;//获取file对象 if (!$image.data('cropper')) return; if (files && files.length) { file = files[0]; fileName=file.name; if (/^image\/\w+$/.test(file.type)) { //判断是不是图片格式的文件 blobURL = URL.createObjectURL(file); //转换图片地址 $image.one('built.cropper', function() { URL.revokeObjectURL(blobURL); }).cropper('reset').cropper('replace', blobURL); //设置上传的图片 } else { alert('请选择图片!'); } } $inputFileElm.val(""); } }); /* * 保存头像 */ $('.btn-group').on('click','.save',function(){ var imgBase64 = $image.cropper('getCroppedCanvas').toDataURL();//获取剪裁后的图片base64 console.log('[LEO]图片Base64 => ',imgBase64); $.ajax({ type:"post", url:"", data:{ photo:imgBase64 }, async:true, success:function(res){ if(res == 'ok'){ alert('上传成功'); }else{ alert('上传失败'); } }, error:function(e){ console.log('[LEO]出错了 => ',e); } }); });