Windows 10 专业版、Visual Studio 2017、.NET Framework 4.6、bootstrap3.3.7
本程序无需数据库，只需要网页和一个TXT即可
前端：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Index.aspx.cs" Inherits="edusrccert.Index" %><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"><title>edusrc证书查询</title><link href="css/bootstrap.min.css" rel="stylesheet" /><style type="text/css">.msg{text-align:center;font-family:隶书;font-size:17px;}tr th,td{text-align:center;}#logo{text-align:center;}</style></head><body><div class="container"><div class="row"><form id="form1" runat="server"><div class="col-lg-4"></div><div class="col-lg-4" id="logo"><br /><br /><img src="https://p0.ssl.qhimg.com/t0197b55bc4c5a24f0d.jpg" alt="F12sec" style="width:50%;height:15%;" /><br /></div><div class="col-lg-4"></div></div><div class="row"><div class="col-lg-4"></div><div class="col-lg-4"><div class="input-group"><asp:TextBox class="form-control" ID="searchTxt" placeholder="证书编号" runat="server"></asp:TextBox><span class="input-group-btn"><asp:Button ID="searchBtn" runat="server" class="btn btn-default" Text="查询" OnClick="searchBtn_Click" /><br /></span></div><div class="col-lg-4"></div></div></div><br /><br /><div class="row"><div class="col-lg-3"></div><div class="col-lg-6"><table id="resultTable" class="table" runat="server"><tr><th>证书编号</th><th>报 送 人</th><th>报送时间</th><th>颁发单位</th></tr><tr><td id="no" runat="server"> </td><td id="name" runat="server"> </td><td id="time" runat="server"> </td><td id="firm" runat="server"> </td></tr></table><br /><img src="" id="picurl" runat="server" style="object-fit: contain;width:100%;height:100%;" /></div><div class="col-lg-3"></div></div><br /><div class="col-lg-12"><p class="msg">公众号：墨雪飘影 公众号：F12sec 公众号：广软NSDA安全团队</p><p class="msg">友情链接：<a href="http://www.0dayhack.net" target="_blank">F12sec</a><a href="https://blog.shikangsi.cn" target="_blank">墨雪飘影</a><a href="https://colcool.com/" target="_blank">渗透阁</a><a href="https://data.shikangsi.com/" target="_blank">edu个人信息查询</a></p><p class="msg"><a href="https://beian.miit.gov.cn" target="_blank">鄂ICP备15020128号-4</a></p></div></form></div></body></html>
后端：
using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace edusrccert{public partial class Index : System.Web.UI.Page{protected void Page_Load(object sender, EventArgs e){resultTable.Visible = false;picurl.Visible = false;}class certModel{public string name { get; set; }public string firm { get; set; }public string no { get; set; }public string time { get; set; }public string picurl { get; set; }}protected void searchBtn_Click(object sender, EventArgs e){if (string.IsNullOrEmpty(searchTxt.Text)){Response.Write("<script>alert('未查询到');</script>");return;}string filename = Server.MapPath("~")+ "cert.txt";FileStream fs = new FileStream(filename, FileMode.Open);StreamReader sr = new StreamReader(fs);//string contents = File.ReadAllText(filename);certModel cert = new certModel();string line = string.Empty;Boolean isHava = false;while ((line = sr.ReadLine()) != null){if (line.Contains(searchTxt.Text)){string[] data = line.Split('t');cert.no = data[0].Replace("t", "");if(cert.no!=searchTxt.Text){sr.Close();fs.Close();Response.Write("<script>alert('未查询到');</script>");return;}cert.name = data[1].Replace("t", "");cert.time = data[2].Replace("t", "");cert.firm = data[3].Replace("t", "");cert.picurl = data[4].Replace("t", "");isHava = true;break;}}sr.Close();fs.Close();if (isHava){resultTable.Visible = true;picurl.Visible = true;no.InnerText = cert.no;name.InnerText = cert.name;time.InnerText = cert.time;firm.InnerText = cert.firm;picurl.Src = cert.picurl;}else{Response.Write("<script>alert('未查询到');</script>");resultTable.Visible = false;picurl.Visible = false;no.InnerText = "";name.InnerText = "";time.InnerText = "";firm.InnerText = "";picurl.Src = "";isHava = false;}}}}
证书格式：
编号t姓名t日期t单位t图片ZJU-2021-0023 墨雪飘影 2021-02-04 浙江大学 https://p0.ssl.qhimg.com/t0159c13b537f897776.jpg
Windows服务器，安装IIS、.NET Framework 4.6即可。证书信息放置于网站根目录下，cert.txt中。可设置禁止访问.txt文件。
如图，禁止访问cert.txt文件
地址：https://cert.shikangsi.com/
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原文始发于微信公众号（墨雪飘影）：简易证书查询
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