• Brettle.Web.NeatUpload.dll支持的大文件上传



    Brettle.Web.NeatUpload.dll支持的大文件上传
    1.在工具箱中添加Brettle.Web.NeatUpload.dll,可以看到工具箱中出现InputFile等控件。
    2.复制文件夹NeatUpload到根目录.
    3.拖放使用上传控件InputFile和进度条ProgressBar,添加上传文件的按钮.aspx页面代码如下:

    <body>
      <form id="form1" runat="server">
      <div>
           <upload:InputFile id="AttachFile" runat="server"></upload:InputFile>
          <asp:Button ID="Upload" runat="server" Text="Upload" OnClientClick="ToggleVisibility('ProgressBar','on')"

    OnClick="Upload_Click"/>
            <div id="ProgressBar"   style="display:none;">
                       <upload:progressbar id="pbProgressBar" runat="server" Inline="true" Width="500px" Height="100">

    </upload:progressbar>
          </div>
     </div>
     </form>
    </body>
    4.添加脚本代码ToggleVisiblity函数到页面上如下:

    <script type="text/javascript" language="javascript">
           function ToggleVisibility(id, type)
            {
              el = document.getElementById(id);
             if(el.style)
                 {
                   if(type == 'on')
                     {
                       
                         el.style.display = 'block';
                     }
                    else
                     {
                      
                         el.style.display = 'none';
                     }
                 }
                else
                 {
                   if(type == 'on')
                    {
                        
                         el.display = 'block';
                    }
                   else
                    {
                      
                         el.display = 'none';
                    }
                 }
            }
     </script>
    5.给上传文件的按钮添加事件Upload_Click

     protected void Upload_Click(object sender, EventArgs e)
        {
            string FileName = this.AttachFile.FileName;//获取上传文件的全路径
            string ExtenName = System.IO.Path.GetExtension(FileName);//获取扩展名
            string SaveFileName = System.IO.Path.Combine(Request.PhysicalApplicationPath, DateTime.Now.ToString

    ("yyyyMMddhhmm") + ExtenName);//合并两个路径为上传到服务器上的全路径
              if (this.AttachFile.ContentLength > 0)
            {
                try
                {
                                this.AttachFile.MoveTo(SaveFileName, Brettle.Web.NeatUpload.MoveToOptions.Overwrite);
                         }
                catch (Exception ex)
                {
                                throw ex;
                         }
                     }
             }
    6.在配置文件web.config中添加http模块声明:

     <httpModules useFullyQualifiedRedirectUrl="true">
          <add name="UploadHttpModule" type="Brettle.Web.NeatUpload.UploadHttpModule, Brettle.Web.NeatUpload" />
     </httpModules>
    7.需要在web.config进行其他一些设置才能保证完美
    在<configuration>里面加入

    <configSections>
            <sectionGroup name="system.web">
              <section name="neatUpload" type="Brettle.Web.NeatUpload.ConfigSectionHandler, Brettle.Web.NeatUpload"

    allowLocation="true" />
            </sectionGroup>
          </configSections>
    在 <system.web>加入

    <neatUpload useHttpModule="false" maxNormalRequestLength="4096" maxRequestLength="2097151"

    defaultProvider="FilesystemUploadStorageProvider">
              <providers>
                <add name="FilesystemUploadStorageProvider"
              type="Brettle.Web.NeatUpload.FilesystemUploadStorageProvider, Brettle.Web.NeatUpload" />
              </providers>
        </neatUpload>
    在<configuration>里面的后面位置加入

    <location path="Default.aspx" >
            <system.web>
              <neatUpload useHttpModule="true" />
              <httpRuntime maxRequestLength="2097151" executionTimeout="3600" useFullyQualifiedRedirectUrl="true" />
            </system.web>
          </location>
    </configuration>
    最后这里是上面需要的文件和dll文件的源代码以及怎样用的例子
    Brettle.Web.NeatUpload.dll源代码
    NeatUpload文件夹
    NeatUpload.dll Demo

    注意的问题:

    例如:标记 " <select > " 前面的 " <sel "等变为乱码,导致后面的一串代码完全显示在网页上。
    1.大都是DropDownList生成的select 或 RadioButtonList生成的table出现乱码。
    2.偶尔出现,刷新一下就好了。
    3.之前网站中javascript、css等文件,有部分是ANSI格式保存,后改为UTF-8保存,乱码出现几率大大下降。
    4.中文网站,但并无中文变为乱码的现象。
    5.Web.Config中的设置为 <globalization requestEncoding= "utf-8 " responseEncoding= "utf-8 " fileEncoding= "utf-8 "/ >

    结论:不是什么编码问题。是上传组件Brettle.Web.NeatUpload的问题。在.config中加入了一句:
    <httpModules >
    <add name= "UploadHttpModule " type= "Brettle.Web.NeatUpload.UploadHttpModule, Brettle.Web.NeatUpload "/ >
    </httpModules >
    据分析,这个组件在页面比较大的时候会有截断源代码的行为!
    大家以后用其它组件一定要注意了!
     
     

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  • 原文地址:https://www.cnblogs.com/jcomet/p/1309516.html
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