第一步:创建一个ASP.NET MVC API项目
第二步:在api项目里面创建一个类
public class Student
{
public int Id { get; set; }
public string Name { get; set; }
public string Pass { get; set; }
}
第三步:webapi可以返回json和xml这两种数据
举一个简单的例子:api中返回一个list列表:可以返回
也可以返回
这种格式:
前台接受完请求之后要进行反序列化:
现在做一个get的操作
HttpClient client = new HttpClient();
Uri uri = new Uri("http://localhost:64279/");
client.BaseAddress = uri;
//添加请求的头文件
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
//发送请求并接受返回的值
HttpResponseMessage message = client.GetAsync("api/Values/F").Result;
string a= message.Content.ReadAsStringAsync().Result;
var ms = JsonConvert.DeserializeObject<string>(a);
现在做一个发送post请求的操作
HttpClient client = new HttpClient();
Uri uri = new Uri("http://localhost:64279/");
client.BaseAddress = uri;
client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
//获取请求相应的消息,包含状态和代码
HttpContent content = new FormUrlEncodedContent(
new[]{
new KeyValuePair<string,string>("ID","1"),
new KeyValuePair<string, string>("Name","fff"),
new KeyValuePair<string, string>("Pass","123")
});
HttpResponseMessage result = client.PostAsync("api/values/DD",content).Result;
var msg = result.Content.ReadAsStringAsync().Result;
//反序列化
string ss = JsonConvert.DeserializeObject<string>(msg);