自贡住房和城乡建设厅网站,网站怎么做切换图片,网站开发语音,wordpress链接样式表上传头像插件 目的#xff1a; 帮助开发者快速开发上传头像功能点 背景#xff1a; 现在b#xff0c;g能搜到的头像上传插件并不太好用#xff0c;所以想提供一个比较自由度的上传并且可以剪切的插件。 资源#xff1a; 具体资源请查看这里 实现大致思路如下#xff1a; …上传头像插件 目的 帮助开发者快速开发上传头像功能点 背景 现在bg能搜到的头像上传插件并不太好用所以想提供一个比较自由度的上传并且可以剪切的插件。 资源 具体资源请查看这里 实现大致思路如下 先有一个上传的本地上传的功能然后获取图片的地址。获取图片地址之后进行截取图片这里推荐一个插件点这里具体怎么用就不再赘述。等截取图片之后需要将截取的文件转换为二进制大文件。$(#image).cropper(getCroppedCanvas).toBlob();调取接口将二进制大文件上传即可。直接上代码 先引入如下文件cropper.js [点这里](https://github.com/fengyuanchen/cropperjs)复制代码具体业务代码 $(function () {var URL window.URL || window.webkitURL;var $image $(#image);var $rotate $(#userImg_rotate);var $reUpload $(#userImg_reUpload);var $zoomOut $(#userImg_zoomOut);var $zoomIn $(#userImg_zoomIn);var $save $(#userImg_save);var croppable false;var $previews $(.userImg_preview);var options {aspectRatio: 1,viewMode: 1,built: function () {croppable true;},build: function (e) {var $clone $(this).clone();$clone.css({display: block,width: 100%,minWidth: 0,minHeight: 0,maxWidth: none,maxHeight: none});$previews.css({width: 100%,overflow: hidden}).html($clone);},crop: function (e) {var imageData $(this).cropper(getImageData);var previewAspectRatio e.width / e.height;$previews.each(function () {var $preview $(this);var previewWidth $preview.width();var previewHeight previewWidth / previewAspectRatio;var imageScaledRatio e.width / previewWidth;$preview.height(previewHeight).find(img).css({width: imageData.naturalWidth / imageScaledRatio,height: imageData.naturalHeight / imageScaledRatio,marginLeft: -e.x / imageScaledRatio,marginTop: -e.y / imageScaledRatio});});}};var originalImageURL $scope.userInfo_imgUrl;var uploadedImageURL;$scope.initCropper function(){// init$image.attr(src,$scope.userInfo_imgUrl).cropper(options);};// rotate$rotate.on(click, function(){$image.cropper(rotate, 90);});// zoomOut$zoomOut.on(click,function(){$image.cropper(zoom, -0.1);});// zoomIn$zoomIn.on(click,function(){$image.cropper(zoom, 0.1);});// Move/*$move.on(click,function(){$image.cropper(setDragMode);});*/// reUpload$reUpload.on(click,function(){$image.cropper(destroy).attr(src, $scope.userInfo_imgUrl).cropper(options);if (uploadedImageURL) {URL.revokeObjectURL(uploadedImageURL);uploadedImageURL ;}});// Keyboard$(document.body).on(keydown, function (e) {if (!$image.data(cropper) || this.scrollTop 300) {return;}switch (e.which) {case 37:e.preventDefault();$image.cropper(move, -1, 0);break;case 38:e.preventDefault();$image.cropper(move, 0, -1);break;case 39:e.preventDefault();$image.cropper(move, 1, 0);break;case 40:e.preventDefault();$image.cropper(move, 0, 1);break;}});// 剪切和确定上传图片$save.on(click,function(){common.Loading.show();$(#image).cropper(getCroppedCanvas).toBlob(function (blob) {var formData new FormData();formData.append(photoFile, blob);// 这里写入后端给你的上传接口$.ajax(API_URL, {method: POST,data: formData,headers: {auth-token : common.Cookie.get(token)},processData: false,contentType: false,success: function (res) {common.Loading.hide();common.Toast.show(头像上传成功);try{$scope.$apply(function(){$scope.isShowUnCompleteInfoBox false;$scope.isShowCompleteInfoBox false;$scope.userInfo_imgUrl res.data;})}catch(err){console.log(err)}},error: function () {common.Toast.show(头像上传失败);}});});})// 上传图片这里传本地的图片并且获取一个本地图片的路径var $inputImage $(#inputImage);if (URL) {$inputImage.change(function () {var files this.files;var file;if (!$image.data(cropper)) {return;}if (files files.length) {file files[0];if (/^image\/\w$/.test(file.type)) {if (uploadedImageURL) {URL.revokeObjectURL(uploadedImageURL);}uploadedImageURL URL.createObjectURL(file);$image.cropper(destroy).attr(src, uploadedImageURL).cropper(options);$inputImage.val();} else {common.Toast.show(请选择图片再上传)}}});} else {$inputImage.prop(disabled, true).parent().addClass(disabled);}});复制代码
