上传ZIP包解压返回解压文件路径的WEB API接口

首先添加两个引用，用于解压ZIP(ZipArchive类)

前端POST方式上传ZIP文件。

using GDSMBLL;
using GDSMCommon;
using GDSMModel;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;

namespace GDSMPlateForm.Controllers
{
    public class UserUploadPackageController : ApiController
    {
        // GET api/<controller>
        public IEnumerable<string> Get()
        {
            return new string[] { "value1", "value2" };
        }

        // GET api/<controller>/5
        public string Get(int id)
        {
            return "value";
        }

        [HttpPost]
        public string UploadFile()
        {
            string returnHtmlUrl = "";
            ValidateHelper vh = new ValidateHelper();
            string guid = Guid.NewGuid().ToString();
            HttpRequest request = HttpContext.Current.Request;
            string user_id = request["user_id"];

            HttpFileCollection fileCollection = request.Files;
            if (fileCollection.Count > 0)
            {
                HttpPostedFile file = fileCollection[0];
                string format = Path.GetExtension(file.FileName);

                #region 验证
                if (!vh.IsValidateFileExtension(file.FileName, FileType.package))
                {
                    returnHtmlUrl = JsonHelper.RequstFail("文件格式不支持");
                }
                else if (file.ContentLength > vh.GetResTypeSize(file.FileName) && vh.GetResTypeSize(file.FileName) != 0)
                {
                    return JsonHelper.RequstFail("文件超过指定大小");
                }
                #endregion

                string webroot = HttpContext.Current.Server.MapPath("~");
                //ZIP路径
                string zipPath = "/Content/userh5static/" + user_id;
                //创建zip目录
                if (!Directory.Exists(webroot + zipPath))
                {
                    Directory.CreateDirectory(webroot + zipPath);
                }
                zipPath += "/";
                try
                {
                    string zipName = guid + format;
                    file.SaveAs(webroot + zipPath + zipName);
                    //创建解压目录
                    string htmlPath = zipPath + guid;
                    if (!Directory.Exists(webroot + htmlPath))
                    {
                        Directory.CreateDirectory(webroot + htmlPath);
                    }
                    //解压zip文件到htmlPath目录
                    using (var archive = new ZipArchive(file.InputStream, ZipArchiveMode.Read))
                    {
                        try
                        {
                            archive.ExtractToDirectory(webroot + htmlPath);
                        }
                        catch (Exception)
                        {
                        }
                    }
                    string htmlIndexPath = webroot + htmlPath + "/index";
                    var htmlfiles = Directory.GetFiles(htmlIndexPath, "*.html", SearchOption.TopDirectoryOnly);
                    if (htmlfiles.Count() > 0)
                    {
                        returnHtmlUrl = htmlfiles[0].Replace(webroot, "").Replace("\","/");
                    }

                    #region 信息存入数据库
                    JHUserH5Static userH5Static = new JHUserH5Static();
                    userH5Static.file_id = guid;
                    userH5Static.file_name = zipName;
                    userH5Static.file_type = format.Substring(1);
                    userH5Static.file_oldname = file.FileName;
                    userH5Static.file_path = zipPath + zipName;
                    userH5Static.pstatus = "normal";
                    userH5Static.create_user_id = user_id;
                    userH5Static.create_time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                    userH5Static.file_oldpath = returnHtmlUrl;
                    userH5Static.file_img = "";
                    JHUserH5StaticBL H5StaticBL = new JHUserH5StaticBL();
                    H5StaticBL.Insert(userH5Static);
                    #endregion

                }
                catch (Exception ex)
                {
                    returnHtmlUrl = JsonHelper.RequestSuccessNoData("上传出错：" + ex.Message);
                }
            }
            return returnHtmlUrl;
        }

        // DELETE api/<controller>/5
        public void Delete(int id)
        {
        }
    }
}