DTcms.Web.UI/UpLoad.cs

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using System;
using System.Collections;
using System.Web;
using System.IO;
using System.Drawing;
using System.Net;
using System.Configuration;
using DTcms.Common;

namespace DTcms.Web.UI
{
    public class UpLoad
    {
        private Model.siteconfig siteConfig;

        public UpLoad()
        {
            siteConfig = new BLL.siteconfig().loadConfig(Utils.GetXmlMapPath("Configpath"));
        }

        /// <summary>
        /// 裁剪图片并保存
        /// </summary>
        public bool cropSaveAs(string fileName, string newFileName, int maxWidth, int maxHeight, int cropWidth, int cropHeight, int X, int Y)
        {
            string fileExt = Utils.GetFileExt(fileName); //文件扩展名，不含“.”
            if (!IsImage(fileExt))
            {
                return false;
            }
            string newFileDir = Utils.GetMapPath(newFileName.Substring(0, newFileName.LastIndexOf(@"/") + 1));
            //检查是否有该路径，没有则创建
            if (!Directory.Exists(newFileDir))
            {
                Directory.CreateDirectory(newFileDir);
            }
            try
            {
                string fileFullPath = Utils.GetMapPath(fileName);
                string toFileFullPath = Utils.GetMapPath(newFileName);
                return Thumbnail.MakeThumbnailImage(fileFullPath, toFileFullPath, 180, 180, cropWidth, cropHeight, X, Y);
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 文件上传方法A
        /// </summary>
        /// <param name="postedFile">文件流</param>
        /// <param name="isThumbnail">是否生成缩略图</param>
        /// <param name="isWater">是否打水印</param>
        /// <returns>服务器文件路径</returns>
        public string fileSaveAs(HttpPostedFile postedFile, bool isThumbnail, bool isWater)
        {
            return fileSaveAs(postedFile, isThumbnail, isWater, false, false);
        }