Content-Disposition属性有两种类型:inline 和 attachment
inline :将文件内容直接显示在页面
attachment:弹出对话框让用户下载
code:
context.Response.ContentType = "text/plain";
string fileName = context.Request["fileName"]; if(fileName!=null) { context.Response.AddHeader("Content-Disposition", "attachment;filename="+fileName); context.Response.WriteFile("downLoad/" + fileName); }