using?Newtonsoft.Json;
using?System;
using?System.Collections.Generic;
using?System.Net.Http;

namespace?WindowsFormsApplication3
{
????public?static?class?AccessToken
????{
????????//?調用getAccessToken（）獲取的?access_token建議根據expires_in?時間?設置緩存
????????//?返回token示例
????????public?static?String?TOKEN?=?string.Empty;


????????///?

????????///?
????????///?

????????///?百度云中開通對應服務應用的?API?Key?建議開通應用的時候多選服務
????????///?百度云中開通對應服務應用的?Secret?Key
????????///?
????????public?static?String?getAccessToken（String?clientId?String?clientSecret）
????????{
????????????try
????????????{
????????????????String?authHost?=?“https://aip.baidubce.com/oauth/2.0/token“;
????????????????HttpClient?client?=?new?HttpClient（）;
????????????????List>?paraList?=?new?List>（）;
????????????????paraList.Add（new?KeyValuePair（“grant_type“?“client_credentials“））;
????????????????paraList.Add（new?KeyValuePair（“client_id“?clientId））;
????????????????paraList.Add（new?KeyValuePair（“client_secret“?clientSecret））;

????????????????HttpResponseMessage?response?=?client.PostAsync（authHost?new?FormUrlEncodedContent（paraList））.Result;
????????????????String?result?=?response.Content.ReadAsStringAsync（）.Result;
????????????????//Console.WriteLine（result）;
????????????????AccessTokenInfo?info?=?JsonConvert.Deserializeobject（result）;
????????????????TOKEN?=?info.access_token;

????????????}
????????????catch
????????????{

????????????}

????????????return?TOKEN;
????????}

????}
????public?class?AccessTokenInfo
????{
????????public?string?refresh_token?{?get;?set;?}
????????public?int?expires_in?{?get;?set;?}
????????public?string?scope?{?get;?set;?}
????????public?string?session_key?{?get;?set;?}
????????public?string?access_token?{?get;?set;?}
????????public?string?session_secret?{?get;?set;?}

????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-10-30?08:09??人體識別\
?????目錄???????????0??2020-10-30?08:08??人體識別\WindowsFormsApplication3\
?????文件????????2192??2020-10-29?16:14??人體識別\WindowsFormsApplication3\AccessToken.cs
?????文件?????????187??2020-10-23?10:53??人體識別\WindowsFormsApplication3\App.config
?????文件????????1557??2020-10-29?16:29??人體識別\WindowsFormsApplication3\BodyAttr.cs
?????文件????????9738??2020-10-29?16:50??人體識別\WindowsFormsApplication3\Form1.Designer.cs
?????文件???????12878??2020-10-30?08:08??人體識別\WindowsFormsApplication3\Form1.cs
?????文件????????5817??2020-10-29?16:50??人體識別\WindowsFormsApplication3\Form1.resx
?????文件?????????536??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Program.cs
?????目錄???????????0??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\
?????文件????????1372??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\AssemblyInfo.cs
?????文件????????2900??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\Resources.Designer.cs
?????文件????????5612??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\Resources.resx
?????文件????????1111??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\Settings.Designer.cs
?????文件?????????249??2020-10-23?10:53??人體識別\WindowsFormsApplication3\Properties\Settings.settings
?????文件????????4284??2020-10-29?14:41??人體識別\WindowsFormsApplication3\WindowsFormsApplication3.csproj
?????目錄???????????0??2020-10-23?10:53??人體識別\WindowsFormsApplication3\bin\
?????目錄???????????0??2020-10-29?13:38??人體識別\WindowsFormsApplication3\bin\Debug\
?????文件??????407776??2013-10-02?12:10??人體識別\WindowsFormsApplication3\bin\Debug\Newtonsoft.Json.dll
?????文件???????19968??2020-10-30?08:08??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.exe
?????文件?????????187??2020-10-23?10:53??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.exe.config
?????文件???????40448??2020-10-30?08:08??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.pdb
?????文件???????23168??2020-10-30?10:10??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.vshost.exe
?????文件?????????187??2020-10-23?10:53??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.vshost.exe.config
?????文件?????????490??2019-03-19?12:46??人體識別\WindowsFormsApplication3\bin\Debug\WindowsFormsApplication3.vshost.exe.manifest
?????目錄???????????0??2020-10-23?10:53??人體識別\WindowsFormsApplication3\obj\
?????目錄???????????0??2020-10-30?08:08??人體識別\WindowsFormsApplication3\obj\Debug\
?????文件????????8196??2020-10-23?11:37??人體識別\WindowsFormsApplication3\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7346??2020-10-30?10:10??人體識別\WindowsFormsApplication3\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2020-10-30?10:12??人體識別\WindowsFormsApplication3\obj\Debug\TempPE\
?????文件???????????0??2020-10-23?10:53??人體識別\WindowsFormsApplication3\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
............此處省略12個文件信息