@{
ViewBag.Title = "dddddddd";
Layout = "~/Areas/Wap/Views/Shared/_Head.cshtml";
}
<html>
<head>
<title></title>
</head>
<body>
<div data-role="page">
<script type="text/javascript">
var imgTypeArr = new Array();
var imgArr = new Array();
var isHand = 0;//1正在处理图片
var nowImgType = "image/jpeg";
var jic = {
compress: function (source_img_obj, imgType) {
//alert("处理图片");
source_img_obj.onload = function () {
var cvs = document.createElement('canvas');
//naturalWidth真实图片的宽度
console.log("原图--" + this.width + ":" + this.height);
var scale = 1;
if (this.width > 200 || this.height > 200) {
if (this.width > this.height) {
scale = 200 / this.width;
} else {
scale = 200 / this.height;
}
}
cvs.width = this.width * scale;
cvs.height = this.height * scale;
var ctx = cvs.getContext("2d");
ctx.drawImage(this, 0, 0, cvs.width, cvs.height);
var newImageData = cvs.toDataURL(imgType, 0.8);
base64Img = newImageData;
imgArr.push(newImageData);
// $("#canvasDiv").append(cvs);
var img = new Image();
img.src = newImageData;
$(img).css('width', 100 + 'px');
$(img).css('height', 100 + 'px');
$("#canvasDiv").append(img);
isHand = 0;
}
}
}
function handleFileSelect(evt) {
isHand = 1;
imgArr = [];
imgTypeArr = [];
$("#canvasDiv").html("");
var files = evt.target.files;
for (var i = 0, f; f = files[i]; i++) {
// Only process image files.
if (!f.type.match('image.*')) {
continue;
}
imgTypeArr.push(f.type);
nowImgType = f.type;
var reader = new FileReader();
// Read in the image file as a data URL.
reader.readAsDataURL(f);
// Closure to capture the file information.
reader.onload = (function (theFile) {
return function (e) {
var i = new Image();
i.src = e.target.result;
jic.compress(i, nowImgType);
};
})(f);
}
}
$(function () {
document.getElementById('fileToUpload').addEventListener('change', handleFileSelect, false);
});
function catUpload() {
if (base64Img == "") {
show_msg("请选择图片！");
return;
}
if (isHand == 1) {
show_msg("请等待图片处理完毕！");
return;
}
$('.ui-loader').show();
$.ajax({
type: "POST",
url: "/Upload/UploadImage1?path=new",
data: {
'img': imgArr,
'type': imgTypeArr
},
success: function (data) {
//$('.ui-loader').hide();
//show_msg(data.info);
alert(data.path)
}
});
}
//消息提示
function show_msg(msg) {
//消息显示时间
var time = arguments[1] ? arguments[1] : 1500;
$('#info_pop p').text(msg);
$("#info_pop").popup("open");
setTimeout('$("#info_pop").popup("close");', time);
}
</script>
<div data-role="content">
<table style="width: 100%;">
<tr>
<td>
<input id="fileToUpload" type="file" name="fileToUpload" accept="image/*" multiple="multiple">
</td>
<td width="80" align="right">
<button class="ui-btn ui-icon-add ui-corner-all" onclick="catUpload();">压缩上传</button>
</td>
</tr>
</table>
<div id="canvasDiv">
</div>
</div><!-- endContent -->
<div data-role="popup" id="info_pop" class="ui-content" data-theme="d" style='font-weight:bold;font-size:14px; z-index: 999; background-color: white;'>
<p>未知错误</p>
</div>
</div>
</body>
</html>
public ActionResult UploadImage1()
{
string path = string.Empty;
string path_s = string.Empty;
string type = string.Empty;
string strs = Request["img[]"];//接收文件
byte[] arr = Convert.FromBase64String(strs.Split(',')[]);
MemoryStream ms = new MemoryStream(arr);
string filename =Guid.NewGuid().ToString("N")+ ".jpg";
string fileext = Path.GetExtension(filename);
if (!Directory.Exists(Server.MapPath("/ImageFiles/")))
{
Directory.CreateDirectory(Server.MapPath("/ImageFiles/"));
}
string dircstr = "/ImageFiles/" + Request["path"] + "/";
if (!Directory.Exists(Server.MapPath(dircstr)))
{
Directory.CreateDirectory(Path.GetDirectoryName(Server.MapPath(dircstr)));
}
string fileloadname = dircstr + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Second.ToString() + filename;
StreamWriter sw = new StreamWriter(Server.MapPath( fileloadname));
ms.CopyTo(sw.BaseStream);
sw.Flush();
sw.Close();
ms.Close();
path += fileloadname ;
return Content(JsonConvert.SerializeObject(new { success = true, path = path }), APPJSON);
}
