WeiWeiXinNet/admin/ImageEditor/UpLoadUserPhotoC2.aspx.cs

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using System;

namespace ZoomImageDemo
{
    public partial class UpLoadUserPhotoC2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Page.IsPostBack) return;

 
            if (!string.IsNullOrEmpty(Request.QueryString["PicRurl"])) //网络传过来的需要编辑的图像url 保存地址  图像尺寸 长方形280 156  360x200  正方形200x200
            {


                ImageDrag.ImageUrl = Request.QueryString["Picurl"];
                ImageIcon.ImageUrl = Request.QueryString["Picurl"];
                Page.ClientScript.RegisterStartupScript(typeof(UpLoadUserPhotoC), "step2", "<script type='text/javascript'>Step2();</script>");
            }else
            if (!string.IsNullOrEmpty(Request.QueryString["Picurl"]))
            {
                ImageDrag.ImageUrl = Request.QueryString["Picurl"];
                ImageIcon.ImageUrl = Request.QueryString["Picurl"];
                Page.ClientScript.RegisterStartupScript(typeof(UpLoadUserPhotoC), "step2", "<script type='text/javascript'>Step2();</script>");
            }
            else
            {
                Page.ClientScript.RegisterStartupScript(typeof(UpLoadUserPhotoC), "step1", "<script type='text/javascript'>Step1();</script>");
            }
        }
        private const string savepath = "User";

        protected void btnUpload_Click(object sender, EventArgs e)
        {
            if (fuPhoto.PostedFile != null && fuPhoto.PostedFile.ContentLength>0)
            {
                
                string ext = System.IO.Path.GetExtension(fuPhoto.PostedFile.FileName).ToLower();
                if (ext != ".jpg" && ext != ".jepg" && ext != ".bmp" && ext != ".gif" && ext != ".png")
                {
                    return ;
                }
                string filename ="xuanye_"+DateTime.Now.ToString("yyyyMMddHHmmss")+ext;
                string path = "~/admin/ImageEditor/UploadPhoto/" + filename;
                fuPhoto.PostedFile.SaveAs(Server.MapPath(path));
                Response.Redirect("~/admin/ImageEditor/UpLoadUserPhotoC.aspx?Picurl=" + Server.UrlEncode(path));
            }
            else
            {
                //do some thing;
            }
        }

        protected void btn_Image_Click(object sender, EventArgs e)
        {
            int imageWidth = Int32.Parse(txt_width.Text);
            int imageHeight = Int32.Parse(txt_height.Text);
            int cutTop = Int32.Parse(txt_top.Text);
            int cutLeft = Int32.Parse(txt_left.Text);
            int dropWidth = Int32.Parse(txt_DropWidth.Text);