public async Task <ActionResult> Index()
{
var output = await _certificateService.GetAll(); /*---1.1---*/ //这里用_certificateService变量下的GetAll()函数把证书表里的数据全部搜索出来 _certificateService变量是ICertificateAppService类型的，ICertificateAppService写在.Application项目的Certificates文件夹下，里面申明了GetAll()函数，ICertificateAppService接口由同文件夹下的CertificateAppService类继承并实现。
var model = new CertificateIndexViewModel(output.Items); /*---1.2---*/ //这一步实例化了一个CertificateIndexViewModel类型的变量，名字是model，实例化输入的参数是前面搜索出来的数据。这里点击CertificateIndexViewModel然后按F12跳转到定义它的地方（.Web项目下Models文件夹里CertificateIndexViewModel.cs文件）
return(View(model)); /*---1.3---*/ //这一步不用理解，但是必须要写！
}
public async Task <ActionResult> Update(GetCertificationInput input)
{
var output = await _certificateService.GetCertification(input);
var model = new CertificateIndexViewModel(output.Items);
return(View(model));
}
public ActionResult Index()
{
var viewModel = new CertificateIndexViewModel();
TempData["searchType"] = "Certificate";
try
{
var certificateSigningRequests = this.AmiClient.GetCertificateSigningRequests(c => c.ResolvedWhen == null);
viewModel.CertificateSigningRequests = certificateSigningRequests.CollectionItem.Select(c => new CertificateSigningRequestViewModel(c));
return(View(viewModel));
}
catch (Exception e)
{
Trace.TraceError($"Unable to retrieve certificate signing requests: { e }");
}
return(View(viewModel));
}
