网站开发收税,淘客联盟做任务网站,湖南招投标信息网官网,网站提示框代码请求WebApi的几种方式目前所了解的请求WebAPI的方式有通过后台访问api 和通过js 直接访问api接口 首先介绍下通过后台访问api的方法#xff0c;可以使用HttpClient的方式也可以使用WebRequest的方式 1、HttpClient的方式 #xff08;1#xff09;Get请求 string url … 请求WebApi的几种方式 目前所了解的请求WebAPI的方式有通过后台访问api 和通过js 直接访问api接口 首先介绍下通过后台访问api的方法可以使用HttpClient的方式也可以使用WebRequest的方式 1、HttpClient的方式 　　1Get请求 string url http://10.1.1.1:8080/;public ActionResult GetAll(){HttpClient client new HttpClient();client.BaseAddress new Uri(url);client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(application/json));HttpResponseMessage response client.GetAsync(api/goods/getlist?pageindex0pagesize10).Result; // Blocking call阻塞调用! var result ;if (response.IsSuccessStatusCode){result response.Content.ReadAsStringAsync().Result;JavaScriptSerializer Serializer new JavaScriptSerializer();var items Serializer.DeserializeObject(result);return Json(items);}else{return Json(result);}} View Code 　　2Post请求 [HttpPost]public ActionResult AddGood(string paramObj){HttpClient client new HttpClient();client.BaseAddress new Uri(url);JavaScriptSerializer jss new JavaScriptSerializer();var item jss.DeserializeGood(paramObj);var content new FormUrlEncodedContent(new Dictionarystring, string() { {Id,382accff-57b2-4d6e-ae84-a61e00a3e3b5},{Category,111}});client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(application/json));HttpResponseMessage response client.PostAsync(api/goods/add, content).Result;var result ;if (response.IsSuccessStatusCode){result response.Content.ReadAsStringAsync().Result;JavaScriptSerializer Serializer new JavaScriptSerializer();var items Serializer.DeserializeObject(result);return Json(items);}return View();} View Code 2、WebRequest的方式该方式是post请求的时候传入json字符串转换成流的形式无需再将json转换成需要的实体对象了 所以这种方式只需写一个公共的方法每次调用的时候传入地址和参数即可 公共方法如下 public class WebRequestHelper{public static string GetRequest(string url){string responseStr string.Empty;WebRequest request WebRequest.Create(url);request.Method Get;var response request.GetResponse();Stream ReceiveStream response.GetResponseStream();using (StreamReader stream new StreamReader(ReceiveStream, Encoding.UTF8)){responseStr stream.ReadToEnd();}return responseStr;}public static string PostRequest(string url, string postParameter){string responseStr string.Empty;WebRequest request WebRequest.Create(url);request.Method Post;request.ContentType application/json;byte[] requestData System.Text.Encoding.UTF8.GetBytes(postParameter);request.ContentLength requestData.Length;Stream newStream request.GetRequestStream();newStream.Write(requestData, 0, requestData.Length);newStream.Close();var response request.GetResponse();Stream ReceiveStream response.GetResponseStream();using (StreamReader stream new StreamReader(ReceiveStream, Encoding.UTF8)){responseStr stream.ReadToEnd();}return responseStr;}/// summary/// Http的 WebRequest的特定实现/// /summary/// param nameUrl/param/// param nameJSONData/param/// returns/returnspublic static string GetResponseData(string Url, string JSONData){byte[] bytes Encoding.UTF8.GetBytes(JSONData);HttpWebRequest request (HttpWebRequest)WebRequest.Create(Url);request.Method POST;request.ContentLength bytes.Length;request.ContentType application/json;Stream reqstream request.GetRequestStream();reqstream.Write(bytes, 0, bytes.Length);//声明一个HttpWebRequest请求 request.Timeout 90000;//设置连接超时时间 request.Headers.Set(Pragma, no-cache);HttpWebResponse response (HttpWebResponse)request.GetResponse();Stream streamReceive response.GetResponseStream();Encoding encoding Encoding.UTF8;StreamReader streamReader new StreamReader(streamReceive, encoding);string strResult streamReader.ReadToEnd();streamReceive.Dispose();streamReader.Dispose();return strResult;}} View Code 调用的使用方法 　　1Get请求 public ActionResult GetAll(){string result WebRequestHelper.GetRequest(url api/goods/getlist?pageindex0pagesize10);JavaScriptSerializer Serializer new JavaScriptSerializer();var items Serializer.DeserializeObject(result);return Json(items);} View Code 　　2Post请求 [HttpPost]public ActionResult AddGood(string paramObj){string result WebRequestHelper.PostRequest(url api/goods/add, paramObj);JavaScriptSerializer Serializer new JavaScriptSerializer();var items Serializer.DeserializeObject(result);return Json(items);} View Code 页面通过jquery调用 代码如下 $.ajax({type: get,url: /goods/getall,dataType: json,data: null,//data: JSON.stringify({// id: 382accff-57b2-4d6e-ae84-a61e00a3e3b6//}),contentType: application/json;charset-utf-8,success: function (data) {console.log(data);}});var paramObj { Id: 382accff-57b2-4d6e-ae84-a61e00a3e3b8,Category:111};$.ajax({type: post,url: /goods/AddGood,dataType: json,//data: null,data: JSON.stringify({paramObj: JSON.stringify(paramObj)}),contentType: application/json;charset-utf-8,success: function (data) {console.log(data);}}); View Code   转载于:https://www.cnblogs.com/xdot/p/6640182.html