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yinzhihua2008

分类中“我的实验室”是我在日常工作中的一些知识总结,有些写的比较匆忙,可能大家在阅读时会产生困扰,后期有时间我会重新整理编辑,谢谢大家的到访,您们的支持是我前进的动力！

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asp.net 文件上传

2009-08-10 16:21:30| 分类： .NET/C# | 标签： |举报 |字号大中小订阅

下载LOFTER 我的照片书 |

protected void submit_Click(object sender, EventArgs e)

{

string phName = this.txtName.Text;

string phType = this.ddlType.SelectedValue;

if (this.myFile.PostedFile != null)

{

string photoName1 = myFile.PostedFile.FileName; //获取初始文件名

int i = photoName1.LastIndexOf("."); //取得文件名中最后一个"."的索引

string newext = photoName1.Substring(i); //获取文件扩展名

if (newext != ".gif" && newext != ".jpg"&&newext!=".jpeg" && newext != ".bmp" && newext != ".png")

{

Response.Write("文件格式不正确!");

Response.End();

}

DateTime now = DateTime.Now; //获取系统时间

string photoName2 = now.Millisecond.ToString() + "_" + myFile.PostedFile.ContentLength.ToString() + newext; //重新为文件命名,时间毫秒部分+文件大小+扩展名

myFile.PostedFile.SaveAs(Server.MapPath("photos" + photoName2)); // 保存文件到路径,用Server.MapPath()取当前文件的绝对目录.在asp.net里"\"必须用""代替

}

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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