C#实现http协议支持上传下载文件的GET.POST请求using System; using System.Collections.Generic; using System.Text; using System.Net; using System.Net.Sockets; using System.Collections; using System.IO; using System.Text.RegularExpressions; using RE = System.Text.Regula
//上传文件时对文件类型做一个验证 $("#myfile").on("change", function () { var a = document.getElementById("myfile").files[0].type.split("/"); if (a[0] != "image") { alert("必须是图片类型,否则不允许上传!"); window.location.hre
—————————————————————— <script type="text/javascript"> function chkform(){ //获取Dom var mypic = document.forms[0].mypic; for(var i = 0 ;i<mypic.files.length;i++){