NETCORE - 调用第三方接口

NETCORE - 调用第三方接口

 

调用方式： WebApi 

创建两个 NetCore WebApi 项目 ，框架：.net5

　1) 项目：NETCORE.ConSul

　2) 项目：NETCORE.ConSul.Service

 

 

  一.  HTTPClient方式

 

需要 引用包 

 System.Net.Http 

 

a. 注入方式

一. 项目 NETCORE.ConSul.Service

1.  新建接口

namespace NETCORE.Consul.Service.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class PenController : ControllerBase
    {
        //测试接口
        [Route("GetPenInfo")]
        [HttpGet]
        public string GetPenInfo()
        {
            Task.Run(() => { Console.WriteLine($" get a new pen , Host: {0}", HttpContext.Request.Host.Value); });
            return "success! get a new pen !";
        }
    }
}

 

2. 修改IP地址与端口：

路径：Properties / launchSettings.json

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:24384",
      "sslPort": 44335
    }
  },
  "$schema": "http://json.schemastore.org/launchsettings.json",
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "launchUrl": "swagger",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "NETCORE.Consul.Service": {
      "commandName": "Project",
      "launchBrowser": true,
      "launchUrl": "swagger",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "dotnetRunMessages": "true",
      "applicationUrl": "https://10.10.50.99:5055;http://10.10.50.99:5056",
      "jsWebView2Debugging": true
    }
  }
}

 

 

 3. 调试

接口访问地址：https://10.10.50.99:5055/api/Pen/GetPenInfo

 

 

 

 二. 项目 NETCORE.Consul

1.  修改IP地址与端口：

路径：Properties / launchSettings.json

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://10.10.50.99:19691",
      "sslPort": 44328
    }
  },
  "$schema": "http://json.schemastore.org/launchsettings.json",
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "launchUrl": "swagger",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "NETCORE.ConSul": {
      "commandName": "Project",
      "launchBrowser": true,
      "launchUrl": "swagger",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "dotnetRunMessages": "true",
      "applicationUrl": "https://10.10.50.99:5001;http://10.10.50.99:5000"
    }
  }
}

 

 

 2. 注入 HTTPClient

在 startup.cs 中修改 ConfigureServices 方法 

        public void ConfigureServices(IServiceCollection services)
        {
            //用于调用博客园接口
            services.AddHttpClient("ServiceBlogs", x =>
            {
                x.BaseAddress = new Uri("https://www.cnblogs.com");
                x.DefaultRequestHeaders.Add("Cache-Control", "no-cache");
            });
            //用于调用Service1接口
            services.AddHttpClient("ServiceService1", x =>
            {
                x.BaseAddress = new Uri("https://10.10.50.99:5055");
                x.DefaultRequestHeaders.Add("Cache-Control", "no-cache");
            }).ConfigurePrimaryHttpMessageHandler(() =>//防止报ssl错误
            {
                return new HttpClientHandler()
                {
                    ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
                };
            });

            services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "NETCORE.ConSul", Version = "v1" });
            });
        }

 

 

3. 新增接口

namespace NETCORE.ConSul.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class BookController : ControllerBase
    {
        IHttpClientFactory _clientFactory;
        public BookController(IHttpClientFactory clientFactory)
        {
            _clientFactory = clientFactory;
        }

        [Route("CallPen")]
        [HttpPost]
        public async Task<IActionResult> CallPen()
        {
            var client = _clientFactory.CreateClient("ServiceService1");//必须与startup里面注入的名称对应
            //var content = new StringContent("");
            //content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
            var response = await client.GetAsync("api/pen/GetPenInfo");
            var sss = response.Content.ReadAsStringAsync().Result; 
            return Ok(sss); 
        }
    }
}

 

 

4. 调用接口

 

 

b. 直接调用方式

private async Task<string> TrunsOtherService(string url, FormUrlEncodedContent formContent, string method)
{
    var res = "";
    HttpResponseMessage response = null;

    using (HttpClient httpClient = new HttpClient())
    {
        var requestUri = url;

        if (method == "put") response = await httpClient.PutAsync(url, formContent);
        if (method == "post") response = await httpClient.PostAsync(url, formContent);

        res = response.Content.ReadAsStringAsync().Result;
        Console.WriteLine(res);
    }
    return res;
}

 

 

    public class ClientService
    {
        private readonly HttpClient client;

        public ClientService()
        {
            client = new HttpClient();
        }



        public async Task<string> GetString(string baseUrl, Dictionary<string, string> parameters)
        {
            var queryString = new FormUrlEncodedContent(parameters);
            var requestUri = new Uri(baseUrl + "?" + queryString.ReadAsStringAsync().Result);

            try
            {
                HttpResponseMessage response = await client.GetAsync(requestUri);
                response.EnsureSuccessStatusCode();
                string responseBody = await response.Content.ReadAsStringAsync();
                return responseBody;
            }
            catch (HttpRequestException e) { throw e; }
        }



        public async Task<T> PostClient<T>(string baseUrl, object JsonData)
        {
            // 序列化字符串列表为JSON字符串
            string jsonContent = JsonSerializer.Serialize(JsonData);
            StringContent content = new StringContent(jsonContent, System.Text.Encoding.UTF8, "application/json");
            try
            {
                HttpResponseMessage response = await client.PostAsync(baseUrl, content);
                response.EnsureSuccessStatusCode();
                string responseContent = await response.Content.ReadAsStringAsync();
                var outputList = JsonSerializer.Deserialize<T>(responseContent);
                return outputList;
            }
            catch (HttpRequestException e) { throw e; }
        }

         
    }

 

 

二.  HttpWebRequest 方式

 

webapi 接口：

        /// <summary>
        /// 保存Json文件
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Route("SaveJson")]
        public async Task<ActionResult> SaveJsonAsync([FromBody] string str)
        {
            try
            {
                var res = (new CDEService()).WriteJson(str);
                return Ok(res);
            }
            catch (Exception ex)
            {
                return BadRequest(ex.Message + ex.InnerException?.Message);
            }
        }

 

 

接口调用：

        /// <summary>
        /// 测试Json文件
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Route("TestAsync")]
        public async Task<ActionResult> TestAsync([FromBody] string str)
        {
            try
            {
                string url = "https://localhost:7096/api/ACAD/SaveJson";

                Encoding encoding = Encoding.UTF8;
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.Method = "POST";
                request.Accept = "text/html, application/xhtml+xml, */*";
                //这里只有使用var data = HttpContext.Current.Request.Form["Name"].ToString();才切换到表单
                //如果api使用Request.Content.ReadAsStringAsync();则无所谓切换
                //request.ContentType = "application/x-www-form-urlencoded ";//根据服务端进行 切换
                request.ContentType = "application/json; charset=utf-8 ";

                string data = JsonConvert.SerializeObject(str);
                
                byte[] buffer = encoding.GetBytes(data);
                request.ContentLength = buffer.Length;
                request.GetRequestStream().Write(buffer, 0, buffer.Length);
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    var ssss = reader.ReadToEnd();
                }


                return Ok("ok");
            }
            catch (Exception ex)
            {
                return BadRequest(ex.Message + ex.InnerException?.Message);
            }
        }

 

 

 

 

 

 

 

 

 

 

 

 

 

项目：NETCORE.ConSul

项目：NETCORE.ConSulService
附代码：https://gitee.com/wuxincaicai/NETCORE.git