YLShipBuildLandMap/YLShipBuildLandMap.Web/Controllers/SystemSetting/VerCodeController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Bowin.Common;
using Bowin.Common.Cache;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace YLShipBuildLandMap.Web.Controllers.SystemSetting
{
    [Route("api/[controller]")]
    [ApiController]
    public class VerCodeController : ControllerBase
    {
        [HttpGet]
        public ActionResult Get(string key) 
        {
            var code = VerifyCodeHelper.GetCode(4);

            CacheHelper.Add(key, code.Code, DateTime.Now.AddMinutes(5));

            return Content("data:image/png;base64," + code.CodeBase64);
        }
    }
}