摘要： 首先导入IO命名空间代码如下protected void Page_Load(object sender, EventArgs e) { } protected void Button2_Click(object sender, EventArgs e) { //Response.Write(); if (this.fileUpload.PostedFile.FileName == "") { Response.Write("不能上传空文件"); return; } try { String path = Server.MapPath("upl 阅读全文