使用HttpClient操作ASP.NET Web API 2.1增删改查

使用NuGet包安装Microsoft ASP.NET Web API 2.1 Client Libraries,

调用方式代码如下：

 1  　　　　　　HttpClient client = new HttpClient();

 2             client.BaseAddress = new Uri("http://localhost:2471/");//基地址

 3             client.DefaultRequestHeaders.Accept.Add(

 4                 new MediaTypeWithQualityHeaderValue("application/json"));

 5             HttpResponseMessage response = client.GetAsync("api/values").Result;

 6             if (response.IsSuccessStatusCode)

 7             {

 8                 var products = response.Content.ReadAsAsync<IEnumerable<ProductInfo>>().Result;

 9             }

10             else

11             {

12                 Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);

13             }

14 

15           

16             

17             //HTTP Post请求

18             ProductInfo pro = new ProductInfo();

19             pro.dateTime1 = DateTime.Now;

20             pro.Int = 1;

21              response = client.PutAsJsonAsync<ProductInfo>("api/Values", pro).Result;

22             if (response.IsSuccessStatusCode)

23             {

24                 

25             }

26             else

27             {

28                 Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);

29             }

30 

31            response =  client.DeleteAsync("api/values/5").Result;

32            if (response.IsSuccessStatusCode)

33            {

34 

35            }

36            else

37            {

38                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);

39            }

values控制器代码如下：

 1 public IEnumerable<ProductInfo> GetList()

 2         {

 3             //string s = this.Request.Headers.GetValues("YXLCookie").FirstOrDefault();

 4 

 5             ProductInfo p = new ProductInfo();

 6             p.Int = 432;

 7             p.string1 = "432432";

 8             p.dateTime2 = DateTime.Now;

 9 

10 

11             ProductItem pi = new ProductItem() { Int = 1, string1 = "432432" };

12             p.productItem = pi;

13 

14             ProductInfo p2 = new ProductInfo();

15             p2.Int = 432;

16             p2.string1 = "432432";

17             p2.dateTime2 = DateTime.Now;

18 

19 

20             ProductItem pi2 = new ProductItem() { Int = 1, string1 = "432432", dateTime1 = DateTime.Now };

21             p2.productItem = pi2;

22 

23             List<ProductInfo> list = new List<ProductInfo>();

24             list.Add(p);

25             list.Add(p2);

26 

27             return list;

28         }

29 

30       

31 

32         // POST api/values

33         public void PostProduct([FromBody]ProductInfo pro)

34         {

35 

36         }

37         // DELETE api/values/5

38         public void Delete(int id)

39         {

40         }

使用JsonConvert要安装Json.NET，使用NuGet安装Json.NET如果我们新增json格式的数据，需要将json格式转换为object对象，代码如下：

 1 HttpClient client = httpClient;

 2             client.BaseAddress = new Uri("https://api.weixin.qq.com");

 3             client.DefaultRequestHeaders.Accept.Add(

 4                 new MediaTypeWithQualityHeaderValue("application/json"));

 5             

 6            

 7             object s1 = JsonConvert.DeserializeObject<object>(@"{

 8                  'button':[

 9                  {    

10                       'type':'click',

11                       'name':'协运跟踪',

12                       'key':'V1001_TODAY_MUSIC'

13                   },

14                   {

15                        'type':'click',

16                        'name':'金牌航线',

17                        'key':'V1001_TODAY_SINGER'

18                   },

19                   {

20                        'name':'菜单测试',

21                        'sub_button':[

22                        {    

23                            'type':'view',

24                            'name':'运价',

25                            'url':'http://weixin.51xieyun.com/price/index'

26                         },

27                         {

28                            'type':'view',

29                            'name':'首页',

30                            'url':'http://weixin.51xieyun.com'

31                         },

32                         {

33                            'type':'click',

34                            'name':'赞一下我们',

35                            'key':'V1001_GOOD'

36                         }]

37                    }]

38              }

39             ");

40             HttpResponseMessage response = client.PostAsJsonAsync<object>("cgi-bin/menu/create?access_token=dPm9S5I6bMKp3QHhcxxqyJhuaNH4h20lJaIeNi-gXVbkpQCsUdyvOLbfQCPmDFWMIS0LowOXSVfu1iD47VC9nolu29-rRJ0oWUhIX0WRDYKPOIZtf4onsSvFePdt1iX9jba5rmhR769OG7cye--V4g", s1).Result;

41             if (response.IsSuccessStatusCode)

42             {

43                 var products = response.Content.ReadAsAsync<object>().Result;

44             }

45             else

46             {

47                 Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);

48             }