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news 2025/7/8 10:56:31

网站加v怎么做,网站运营公司,做网站需要nba表格,做聚会的网站最近学习起了C#，刚刚开始真的对ashx文件不知所以，后面发现这个用起来真的挺不错，看这篇文章的需要有一点的C#基础，怎么建项目这里我就不多说了，我这里在项目新建了两个文件夹，一个叫NewTest放了接口回调的文…

最近学习起了C#，刚刚开始真的对ashx文件不知所以，后面发现这个用起来真的挺不错，看这篇文章的需要有一点的C#基础，怎么建项目这里我就不多说了，我这里在项目新建了两个文件夹，一个叫NewTest放了接口回调的文件，TestFile放了文件上传的文件（没有对里面文件命名，所以以文件夹名字区分），结构图如下所示，入口是WebForm1.aspx

（注意：这里使用了jQuery和Layui，别忘了在项目目录里面放入相关的这些文件并在aspx页面引入）

一、在项目目录建立好接收上传文件的文件夹：\WebApplication1\TestFile\UploadFiles，然后我们编写WebForm1.aspx页面，这里我采用动态加载上传组件，点击了第一个才会显示上传功能

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.TestFile.WebForm1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server"><title>上传测试</title><link rel="stylesheet" href="layui/css/layui.css" /><script type="text/javascript" src="jq/jquery.min.js"></script><script type="text/javascript" src="layui/layui.js"></script></head>
<body><div class="layui-form"><button id = "btn1" >按钮测试-显示上传</button><button id = "btn2" >按钮测试-测试接口</button><div class="layui-upload" id = "uploadXMJCFJDiv"></div></div>
</body>
<script type="text/javascript">var upload;var uploadListIns;$(document).ready(function () {//上传$("#btn1").click(function () {alert("按钮btn1-初始化上传组件");createParentUpload(1);  //tzId请忽略，这是测试参数});//接口$("#btn2").click(function () {var jsonString = '{"DJName":"单据名称","DJID":"111","DJRemark":"这个是测试单据","DJContent":["FILE1","FILE2"]}';console.log("按钮btn2-测试接口-假数据jsonString = " + jsonString);var data = $.parseJSON(jsonString);urlform = "/NewTest/Handler1.ashx?fun=test1&danjuName=" + encodeURI(data.DJName) + "&danjuId=" + encodeURI(data.DJID) + "&djContent=" + encodeURI(data.DJContent);console.log("urlform = " + urlform);var a = $.ajax({type: "GET",url: urlform,//data:JSON.stringify(qjMap),dataType: "text",contentType: "application/html; charset=utf-8",success: function (res) {console.log("res = " + res);}});});});layui.use(['form', 'element', 'upload'], function () {var $ = layui.jquery,element = layui.element,form = layui.form;upload = layui.upload;form.render("select");});function createParentUpload(tzId) {$("#uploadXMJCFJDiv").html("");var uploadInfo = '<button type="button" class="layui-btn layui-btn-normal" id="selectList">选择文件并上传</button>';uploadInfo += '<div class="layui-upload-list"><table class="layui-table">';uploadInfo += '<thead><tr><th>文件名</th><th>大小</th><th>状态</th><th>操作</th></tr></thead>';uploadInfo += '<tbody id="demoList"></tbody></table></div>';$("#uploadXMJCFJDiv").html(uploadInfo);initParentUpload(tzId);}function initParentUpload(tzId) {var demoListView = $('#demoList');var urlform = "/TestFile/Handler1.ashx";//执行实例uploadListIns = upload.render({elem: '#selectList' //绑定元素, url: urlform //上传接口, accept: 'file', multiple: true, data: { tz_id: tzId }, choose: function (obj) {var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列//读取本地文件obj.preview(function (index, file, result) {var tr = $(['<tr id="upload-' + index + '">', '<td>' + file.name + '</td>', '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>', '<td>等待上传</td>', '<td>', '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>', '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>', '</td>', '</tr>'].join(''));//单个重传tr.find('.demo-reload').on('click', function () {obj.upload(index, file);});//删除tr.find('.demo-delete').on('click', function () {delete files[index]; //删除对应的文件tr.remove();uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选});demoListView.append(tr);});}, done: function (res, index, upload) {//上传完毕回调layer.closeAll('loading'); //关闭loadingconsole.log("res = " + res + ",res.code = " + res.code);if (res.code == 0) {var tr = demoListView.find('tr#upload-' + index), tds = tr.children();tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');tds.eq(3).html(''); //清空操作//console.log("tzId = "+tzId+", data = "+res.data);return delete this.files[index]; //删除文件队列已经上传成功的文件}this.error(index, upload);}, error: function (index, upload) {//请求异常回调layer.closeAll('loading'); //关闭loadingvar tr = demoListView.find('tr#upload-' + index), tds = tr.children();tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传}, allDone: function (obj) { //当文件全部被提交后，才触发console.log(obj.total); //得到总文件数console.log(obj.successful); //请求成功的文件数console.log(obj.aborted); //请求失败的文件数}});
}
</script>
</html>

二、编写上传的ashx文件，上传路径就取我们上面新建的文件夹路径

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Drawing.Imaging;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;namespace WebApplication1.TestFile
{/// <summary>/// Handler1 的摘要说明/// </summary>public class Handler1 : IHttpHandler{public void ProcessRequest(HttpContext context){//Page_Load(context);string fk;int code = 1; //默认状态为1String fileNameList = "{}";string dateString = "";try{HttpFileCollection files = context.Request.Files;string filePath = context.Server.MapPath(@"./UploadFiles");if (files.Count > 0){fileNameList =  "";for (int i = 0; i < files.Count; i++){DateTime date = DateTime.Now;dateString = date.ToString(@"yyyy\-MM\-dd HH\:mm\:ss\:ff");//转换文件名前缀用时间string time = dateString.Replace("-", "");time = time.Replace(":", "");time = time.Replace(" ", "");dateString = dateString.Substring(0, dateString.Length - 3);string fileName = time + "-" + files[0].FileName;fileNameList += ",'"+fileName+"'";files[i].SaveAs(Path.Combine(filePath, fileName));}fileNameList = fileNameList.Substring(1, fileNameList.Length - 1);fileNameList = "["+fileNameList+"]";}fk = "success";code = 0;  //0表示上传成功}catch (Exception ex){fk = "failure-"+ex.ToString();}string res = "{'code':" + code + ",'msg':'" + fk + "','data':{'fileNameList':" + fileNameList + ",'dateString':'" + dateString + "'}}";res = res.Replace("\'", "\"");context.Response.ContentType = "text/plain";context.Response.Write(res);context.Response.End();}public bool IsReusable{get{return false;}}}
}

三、模拟接口测试ashx：

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Sql;
using System.Data.SqlClient;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;namespace WebApplication1.NewTest
{/// <summary>/// Handler1 的摘要说明/// </summary>public class Handler1 : IHttpHandler{public void ProcessRequest(HttpContext context){context.Response.ContentType = "Json";int djId = Convert.ToInt32(context.Request.QueryString["danjuId"].ToString());string djName = context.Request.QueryString["danjuName"].ToString();string djContent = context.Request.QueryString["djContent"].ToString();string fun = context.Request.QueryString["fun"].ToString();context.Response.Write(fun);//context.Response.ContentType = "text/plain";//context.Response.Write("Hello World");}public bool IsReusable{get{return false;}}}
}

四、效果图