c#中token的使用方法实例

目录

token的存在意义

这是我初六级报考时间略了解的token的存在意义

使用方法

先安装一个jwt，注意netframework的版本

创建一个工具类tokeninfo.cs

using jwt;using jwt.algorithms;using jwt.rializers;using system;using system.collections.generic;using system.web;using system.web.script.rialization;namespace projectlyg.common{  public class tokeninfo  {    public tokeninfo()    {      urname = "j";      pwd = "123456";    }    public strin说三道四的近义词g urname { get; t; }    public string pwd { get; t; }  }  public class tokenhelper  {    public static string cretkey = "bqsid123k12s0h1d3uhf493fh02hdd102h9s3h38ff";//这个服务端加密秘钥 属于私钥    private static javascriptrializer myjson = new javascriptrializer();    /// <summary>    /// 生成token    /// </summary>    /// <param name="m"></param>    /// <returns></returns>    public static string gentoken(tokeninfo m)    {      var payload = new dictionary<string, dynamic>      {        {"urname", m.urname},//用于存放当前登录人账户信息        {"urpwd", m.pwd}//用于存放当前登录人登录密码信息      };      ijwtalgorithm algorithm = new hmacsha256algorithm();      ijsonrializer rializer = new jsonnetrializer();      iba64urlencoder urlencoder = new j春风得意出自wtba64urlencoder();      ijwtencoder encoder = new jwtencoder(algorithm, rializer, urlencoder);      return encoder.encode(payload, cretkey);    }    /// <summary>    /// 验证token    /// </summary>    /// <returns></returns>    public static string decodetoken()    {      //获取request中的token      string token = httpcontext.current.request.headers["authorization"];      //去掉前面的bearer      if (token != null && token.startswith("bearer"))        token = token.substring("bearer ".length).trim();      try      {        var json = gettokenjson(token);        tokeninfo info = myjson.derialize<tokeninfo>(json);        return "token is true";      }      catch (tokenexpiredexception)      {        return "token has expired";      }      catch (signatureverificationexception)      {        return "token has invalid signature";      }    }    public static string gettokenjson(string token)    {      try      {        ijsonrializer rializer = new jsonnetrializer();        idatetimeprovider provider = new utcdatetimeprovider();        ijwtvalidator validator = new jwtvalidator(rializer, provider);        iba64urlencoder urlencoder = new jwtba64urlencoder();        ijwtdecoder decoder = new jwtdecoder(rializer, validator, urlencoder);        var json = decoder.decode(token, cretkey, verify: true);        return json;      }    岳母的乳房  catch (exception)      {        throw;      }    }  }}

使用方法

    //生成token        tokeninfo tokeninfo = new tokeninfo();        tokeninfo.pwd = password;        tokeninfo.urname = tel;        string token = tokenhelper.gentoken(tokeninfo);        ........        //token验证        string tokeninfo = tokenhelper.decodetoken();        ........

工具类已将返回的request的token值提取出，无须传值

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