Web.UI/UpLoad.cs

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

namespace Web.UI
{
    public class UpLoad
    {
        private Model.WebSet webset;
        private string filePath; //上传目录名
        private readonly string fileType; //文件类型
        private readonly int fileSize; //文件大小0为不限制
        private readonly int isWatermark; //0为不加水印，1为文字水印，2为图片水印
        private readonly int waterStatus; //水印位置
        private readonly int waterQuality; //水印图片质量
        private readonly string imgWaterPath; //水印图片地址
        private readonly int waterTransparency; //水印图片透时度
        private readonly string textWater; //水印文字
        private readonly string textWaterFont; //文字水印字体
        private readonly int textFontSize; //文字大小

        public UpLoad()
        {
            webset = new BLL.WebSet().loadConfig(Utils.GetXmlMapPath("Configpath"));
            filePath = webset.WebPath + webset.WebFilePath;
            fileType = webset.WebFileType;
            fileSize = webset.WebFileSize;
            isWatermark = webset.IsWatermark;
            waterStatus = webset.WatermarkStatus;
            waterQuality = webset.ImgQuality;
            imgWaterPath = webset.WebPath + webset.ImgWaterPath;
            waterTransparency = webset.ImgWaterTransparency;
            textWater = webset.WaterText;
            textWaterFont = webset.WaterFont;
            textFontSize = webset.FontSize;
        }

        ///<summary>
        /// 文件上传方法
        /// </summary>
        public string fileSaveAs(HttpPostedFile _postedFile, int _isWater)
        {
            try
            {
                string _fileExt = _postedFile.FileName.Substring(_postedFile.FileName.LastIndexOf(".") + 1);
                //验证合法的文件
                if (!CheckFileExt(this.fileType, _fileExt))
                {
                    return "{msg: 0, msbox: \"不允许上传" + _fileExt + "类型的文件！\"}";
                }
                if (this.fileSize > 0 && _postedFile.ContentLength > fileSize * 1024)
                {
                    return "{msg: 0, msbox: \"文件超过限制的大小啦！\"}";
                }
                string _fileName = DateTime.Now.ToString("yyyyMMddHHmmssff") + "." + _fileExt; //随机文件名
                //检查保存的路径 是否有/开头结尾