lyfz_repos/铂金版源码/LYFZ.ServerNetwork/TCP_SendStatus.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace LYFZ.Network
{
    /// <summary>
    /// SendStatus类，即时计算发送文件的状态
    /// 用来记录和打印发送完成的状态，已经发送了多少字节，完成度是百分之多少，等等
    /// </summary>
    public class TCP_SendStatus
    {
        private FileInfo info;
        private long fileBytes;
        public TCP_SendStatus(string filePath)
        {
            info = new FileInfo(filePath);
            fileBytes = info.Length;
        }
        private ServerFileInfo sFileInfo;
        public TCP_SendStatus(ServerFileInfo fileInfo)
        {
            sFileInfo = fileInfo;
            fileBytes = fileInfo.FileSize;
        }
        /// <summary>
        /// 获取发送状态
        /// </summary>
        /// <param name="sent">已发送字节数</param>
        public string GetStatus(int sent)
        {
            string percent = GetPercent(sent);
            return String.Format("发送{0}字节，{1}％...", sent, percent); 
        }
        
        /// <summary>
        /// 获得文件发送的百分比
        /// </summary>
        /// <param name="sent"></param>
        /// <returns></returns>
        public string GetPercent(int sent)
        {
            try
            {
                decimal allBytes = Convert.ToDecimal(fileBytes);
                decimal currentSent = Convert.ToDecimal(sent);
                decimal percent = (currentSent / allBytes) * 100;
                percent = Math.Round(percent, 1);  //保留一位小数
                try
                {
                    percentInt = Convert.ToInt32(percent * 10);
                }
                catch { }
                if (percent.ToString() == "100.0")
                    return "100";
                else
                    return percent.ToString();
            }
            catch {
                return "0";
            }
        }
        int percentInt=0;
        /// <summary>
        /// 报告进度值 0-1000的整数
        /// </summary>
        public int PercentInt
        {
            get
            {
                return percentInt;
            }
        }
    }
}