Web App 图片上传编辑器
使用cropper、jqueryUpload插件、Jquery、src-dataurl-canvas-blob文件。
@{
ViewBag.Title = "更新头像";
Layout = "~/Views/Shared/_Layout.cshtml";
}
@section css
{
<link href="~/Css/cropper.css" rel="stylesheet" />
<style>
.header>:last-child{ text-align: center; width: 5.4rem; }
.container{width:100%;}
.web input[type=file] { position: fixed; right: 0; top: 0; z-index: 9999; width: 5.6rem; height: 2.5rem; opacity: 0; }
.noWeb input[type=file] { display: none; }
.progress { position: fixed; top: 0; width: 0.01%; height: 0.5%; background-color: #ffb35a; }
.avatar { width: 100%; text-align: center; overflow: hidden;/*height:400px;*/ }
.avatar img { width: 100%; }
.preview { overflow: hidden;width:100%;padding:1rem; }
.preview * { float: left; overflow: hidden; width: 4.5rem; height: 4.5rem; text-align: center; background-color:black; }
.preview button { float: right; width: 3rem; height: 3rem; line-height: 3rem; margin: .75rem .5rem 0 0; background-color: #f98c54; color: white; font-size:15px;box-shadow: 0 0 0 0.3rem rgba(255, 255, 255, .5); border-radius: 50%; }
.preview :nth-child(2) { border-radius: 50%; margin: 0 1rem; box-shadow: 0 0 0 0.3rem rgba(255, 255, 255, .5); }
.preview :nth-child(3) { border-radius: 50%; width: 2rem; height: 2rem; margin-top: 1rem; }
.header-right .btn-right{width:5.6rem;cursor:pointer;}
.control { overflow:hidden;width:100%; height:2.4rem; }
.control:after {display:block;width:100%;height:1rem;content:"" }
.control p { display: table; position: relative; top: -1px; width: 100%; background-color: #ff6d37; border-spacing: 1px; text-align: center; }
.control p a { display: table-cell;width:20%; height: 2.5rem; background-color: #ffb35a; color: white; vertical-align: middle;cursor:pointer; }
</style>
}
<div class="header A-bg">
<a class="back-btn A-icon-arrow-left A-active"></a>
<h1>@ViewBag.Title</h1>
<a>选择图片</a>
</div>
<p class="progress"></p>
<input id="uploader" type="file" accept="image/jpeg" />
<div class="container">
<div class="preview"><div></div><div></div><div></div><button class="bounceIn">确认</button></div>
<div class="avatar">
<img src="@ViewBag.src" />
</div>
<div class="control">
<p class="A-active-all"><a>水平翻转</a><a>垂直翻转</a><a>左旋转</a><a>右旋转</a><a>重置</a></p>
</div>
</div>
@section js
{
<script src="~/Scripts/cropper.js"></script>
<script src="~/Scripts/src-dataurl-canvas-blob.js"></script>
<script src="~/WebPlugin/jqueryUpload/vendor/jquery.ui.widget.js"></script>
<script src="~/WebPlugin/jqueryUpload/jquery.iframe-transport.js"></script>
<script src="~/WebPlugin/jqueryUpload/jquery.fileupload.js"></script>
<script>
var watchCropperData, curCropperData; //当前的图片数据,用于监听
var picDataUrl;
var isAlterPic = false; //是否替换图片,用于监听
var $cropperWrapper = $('.avatar');
var $cropper = $('.avatar>img');
var $uploader = $('#uploader');
var $uploadBtn = $('.preview button');
var $progress = $('.progress');
//cropper settings
//cropper settings
$cropper.cropper({
preview: '.preview div',
aspectRatio: 1 / 1,
strict: true,
guides: false,
dragCrop: false,
built: function () { watchCropperData = JSON.stringify($cropper.cropper("getData")); }//初始化原始图片监听数据
});
//Uploader init
$uploader.fileupload({
url: '/User/Center/UpdateAvatar',
dataType: 'json',
progressall: function (e, data) { $progress.css('width', parseInt(data.loaded / data.total * 100, 10) + '%'); },
add: function (e, data) {
var f = data.files[0];
if (f.size == 0 || f.size > 1024 * 1024 * 3 || f.type != "image/jpeg") {
alert(f.name + "超出3M大小或不是JPG格式")
} else {
$progress.css('width', '0.01%');//进度条归0
blobToDataURL(f, function (dataUrl) {
$cropper.cropper("replace", dataUrl);
isAlterPic = true;
});
}
},
done: function (e, data) {
$uploadBtn.text("确认").prop('disabled', false); //恢复按钮样式
$progress.css('width', '0.01%');/*归0,保留占位*/
if (data.result.status) {
isAlterPic = false;
watchCropperData = curCropperData; //更新监听
$cropper.cropper("replace", picDataUrl);//更新cropper
}
alert(data.result.content + (window.app ? ",请返回重新刷新!" : "!"));
if (window.app) window.app.callback("script");
}
});
//trigger Uploader upload
$uploadBtn.click(function () {
curCropperData = JSON.stringify($cropper.cropper("getData"));
if (isAlterPic || watchCropperData != curCropperData) { //监听的值不一致时需请求
$uploadBtn.text("....").prop('disabled', true); //按钮样式变化
picDataUrl = $cropper.cropper('getCroppedCanvas').toDataURL('image/jpeg'); //获取裁剪后的图片dataUrl
$('#uploader').fileupload('send', { 'files': [dataURLtoBlob(picDataUrl)] });
} else alert("当前无任何编辑,无需提交!");//监听的值一致,无变化
});
//cropper control options
$('.control p a').click(function () {
switch ($(this).index()) {
case 0: $cropper.cropper("scale", $cropper.cropper("getImageData").scaleX == -1 ? 1 : -1, 1); break;
case 1: $cropper.cropper("scale", 1, $cropper.cropper("getImageData").scaleY == -1 ? 1 : -1); break;
case 2: $cropper.cropper("rotate", -22.5); break;
case 3: $cropper.cropper("rotate", 22.5); break;
case 4: $cropper.cropper("reset"); break;
}
});
</script>
}
更新头像
@{
ViewBag.Title = "更新个性背景";
Layout = "~/Views/Shared/_Layout.cshtml";
}
@section css
{
<link href="~/Css/cropper.css" rel="stylesheet" />
<style>
.header > :last-child { text-align: center; width: 5.4rem; }
.container { width: 100%; }
.web input[type=file] { position: fixed; right: 0; top: 0; z-index: 9999; width: 5.6rem; height: 2.5rem; opacity: 0; }
.noWeb input[type=file] { display: none; }
.progress { position: fixed; top: 0; width: 0.01%; height: 0.5%; background-color: #ffb35a; }
.rectangle { width: 100%; text-align: center; overflow: hidden; /*height:400px;*/ }
.rectangle img { width: 100%; }
.preview { overflow: hidden; width: 100%; padding: 1rem; }
.preview * { float: left; overflow: hidden; width: 9rem; height: 4.5rem; text-align: center; background-color: black; }
.preview button:last-of-type { margin-right: 1rem; background-color: #ffb35a; }
.preview button { float: right; width: 4rem; height: 2.4rem; font-size:.9em;line-height: 2.4rem; margin-top: 1rem; background-color:#f98c54; color: white; border:rgba(255,255,255,.5) .1rem solid; border-radius: .3rem; }
.header-right .btn-right { width: 5.6rem; cursor: pointer; }
.control { overflow: hidden; width: 100%; height: 2.4rem; }
.control:after { display: block; width: 100%; height: 1rem; content: ""; }
.control p { display: table; position: relative; top: -1px; width: 100%; background-color: #ff6d37; border-spacing: 1px; text-align: center; }
.control p a { display: table-cell; width: 20%; height: 2.5rem; background-color: #ffb35a; color: white; vertical-align: middle; cursor: pointer; }
</style>
}
<div class="header A-bg">
<a class="back-btn A-icon-arrow-left A-active"></a>
<h1>@ViewBag.Title</h1>
<a class="logout">选择图片</a>
</div>
<p class="progress"></p>
<input id="uploader" type="file" accept="image/jpeg" />
<div class="container">
<div class="preview"><div></div><button>确认上传</button><button>恢复默认</button></div>
<div class="rectangle">
<img src="@ViewBag.src" />
</div>
<div class="control">
<p class="A-active-all"><a>水平翻转</a><a>垂直翻转</a><a>左旋转</a><a>右旋转</a><a>重置</a></p>
</div>
</div>
@section js
{
<script src="~/Scripts/cropper.js"></script>
<script src="~/Scripts/src-dataurl-canvas-blob.js"></script>
<script src="~/WebPlugin/jqueryUpload/vendor/jquery.ui.widget.js"></script>
<script src="~/WebPlugin/jqueryUpload/jquery.iframe-transport.js"></script>
<script src="~/WebPlugin/jqueryUpload/jquery.fileupload.js"></script>
<script>
var watchCropperData, curCropperData; //当前的图片数据,用于监听
var picDataUrl;
var isAlterPic = false; //是否替换图片,用于监听
var $cropperWrapper = $('.rectangle');
var $cropper = $('.rectangle>img');
var $uploader = $('#uploader');
var $uploadBtn = $('.preview button:first');
var $progress = $('.progress');
//cropper settings
$cropper.cropper({
preview: '.preview div',
aspectRatio: 16 / 9,
strict: true,
guides: false,
dragCrop: false,
built: function () { watchCropperData = JSON.stringify($cropper.cropper("getData")); }//初始化原始图片监听数据
});
//Uploader init
$uploader.fileupload({
url: '/User/Space/UpdateBgPost',
dataType: 'json',
progressall: function (e, data) { $progress.css('width', parseInt(data.loaded / data.total * 100, 10) + '%'); },
add: function (e, data) {
var f = data.files[0];
if (f.size == 0 || f.size > 1024 * 1024 * 3 || f.type != "image/jpeg") {
alert(f.name + "超出3M大小或不是JPG格式")
} else {
$progress.css('width', '0.01%');//进度条归0
blobToDataURL(f, function (dataUrl) {
$cropper.cropper("replace", dataUrl);
isAlterPic = true;
});
}
},
done: function (e, data) {
$uploadBtn.text("确认上传").prop('disabled', false); //恢复按钮样式
$progress.css('width', '0.01%');/*归0,保留占位*/
if (data.result.status) {
isAlterPic = false;
watchCropperData = curCropperData; //更新监听
$cropper.cropper("replace", picDataUrl);//更新cropper
}
alert(data.result.content + (window.app ? ",请返回重新刷新!" : "!"));
if (window.app) window.app.callback("script");
}
});
//trigger Uploader upload
$uploadBtn.click(function () {
curCropperData = JSON.stringify($cropper.cropper("getData"));
if (isAlterPic || watchCropperData != curCropperData) { //监听的值不一致时需请求
$uploadBtn.text("上传中..").prop('disabled', true); //按钮样式变化
picDataUrl = $cropper.cropper('getCroppedCanvas').toDataURL('image/jpeg'); //获取裁剪后的图片dataUrl
$('#uploader').fileupload('send', { 'files': [dataURLtoBlob(picDataUrl)] });
} else alert("当前无任何编辑,无需提交!");//监听的值一致,无变化
});
//restore default
$('.preview button:last').click(function () {
var img = new Image();
img.onload = function () {
$cropperWrapper.css('height', $(window).width() * img.height / img.width);
$cropper.cropper("replace", this.src);
};
img.src = '/CDN/images/default/spacebg_l.jpg';
});
//cropper control options
$('.control p a').click(function () {
switch ($(this).index()) {
case 0: $cropper.cropper("scale", $cropper.cropper("getImageData").scaleX == -1 ? 1 : -1, 1); break;
case 1: $cropper.cropper("scale", 1, $cropper.cropper("getImageData").scaleY == -1 ? 1 : -1); break;
case 2: $cropper.cropper("rotate", -22.5); break;
case 3: $cropper.cropper("rotate", 22.5); break;
case 4: $cropper.cropper("reset"); break;
}
});
</script>
}
更新个性背景
效果图:



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