MVC 身份证图像识别(调用dll)

李永毅

2019-12-18

MVC 身份证图像识别(调用dll)

Index.cshtml

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>身份证图像识别</title>
    <script type="text/javascript" src="~/Scripts/jquery-1.9.0.min.js"></script>
    <script src="~/Scripts/ajaxfileupload.js" type="text/javascript"></script>

    <script type="text/javascript">
        function ajaxFileUpload(e) {
            var files = $(‘input[name="FileUpload"]‘).prop(‘files‘);//获取到文件列表
            if (files.length == 0) {
                alert(‘请选择文件‘);
                return;
            }
            $.ajaxFileUpload(
                {
                    url: ‘/People/IDCodeOcr‘,     //请求地址     
                    secureuri: false,
                    fileElementId: ‘FileUpload‘,         //上传文件控件ID              
                    dataType: ‘text‘,        //可以是json这里的格式                            
                    success: function (data)  
                    {
                        $("#Status").html(‘执行结束‘);
                        var obj = $.parseJSON(data);
                        if (obj.length > 0) {
                            var people = $.parseJSON(obj[0]);
                            $("#Name").html(people.name);
                            $("#Address").html(people.address);
                            $("#Birth").html(people.birth);
                            $("#ID").html(people.id);
                            $("#Sex").html(people.sex);
                            $("#Nation").html(people.nation);
                            $("#Authority").html(people.authority);
                            $("#ValidDate").html(people.valid_date);
                        }
                    },
                    error: function (data, status, e)          
                    {
                        alert("验证失败，请上传身份证照片！");
                    }
                }
            );
        }
    </script> 
</head>

<body>
    <input type="file" name="FileUpload" ID="FileUpload" onchange="javascript:ajaxFileUpload();" />
    <table border="1">
        <tr>
            <td><span id="Status">等待执行：</span></td>
            <td>***************************************</td>
        </tr>
        <tr>
            <td><span>姓名：</span></td>
            <td><span id="Name"></span></td>
        </tr>
        <tr>
            <td><span>家庭住址：</span></td>
            <td><span id="Address"></span></td>
        </tr>
        <tr>
            <td><span>生日：</span></td>
            <td><span id="Birth"></span></td>
        </tr>
        <tr>
            <td><span>身份证号码：</span></td>
            <td><span id="ID"></span></td>
        </tr>
        <tr>
            <td><span>性别：</span></td>
            <td><span id="Sex"></span></td>
        </tr>
        <tr>
            <td><span>签发机关：</span></td>
            <td><span id="Authority"></span></td>
        </tr>
        <tr>
            <td><span>有效期限：</span></td>
            <td><span id="ValidDate"></span></td>
        </tr>
    </table>
</body>
</html>

PeopleController.cs

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Web;
using System.Web.Mvc;
using TencentYoutuYun.SDK.Csharp;

namespace MVCPeopleInfoByIDCard.Controllers
{
    public class PeopleController : Controller
    {
        // GET: People
        public ActionResult Index()
        {
            return View();
        }

        public JsonResult IDCodeOcr()
        {
            // 获取上传图片
            HttpFileCollection files = System.Web.HttpContext.Current.Request.Files;
            if (files.Count == 0)
            {
                return Json("Faild", JsonRequestBehavior.AllowGet);
            }

            HttpPostedFile file = files[0];
            MD5 md5Hasher = new MD5CryptoServiceProvider();
            byte[] arrbytHashValue = md5Hasher.ComputeHash(file.InputStream);
            string fileName = BitConverter.ToString(arrbytHashValue).Replace("-", "");
            string fileEextension = Path.GetExtension(files[0].FileName);
            string virtualPath = string.Format("/ComponentAttachments/{0}/{1}{2}", DateTime.Now.ToString("yyyyMMdd"), fileName, fileEextension);// /ComponentAttachments/20191218/F89624059F0C103433331D9D14E51581.jpg
            string filePath = Server.MapPath(virtualPath); 

            string dir = Path.GetDirectoryName(filePath);
            if (!Directory.Exists(dir)) Directory.CreateDirectory(dir);
            if (!System.IO.File.Exists(filePath)) file.SaveAs(filePath); 
             
            List<string> results = new List<string>();
            //
            // 身份证识别dll
            OCR ocr = new OCR(filePath, 2);
            JsonConvert.SerializeObject(ocr);
            results.Add(ocr.result);
            var obj = Json(results, "text/html", JsonRequestBehavior.AllowGet);
            return obj;
        }
    }
}

图像识别 dll文件