webapi中如何使用依赖注入_实用技巧_

 public class MoBlog { public MoBlog() { } /// 
 /// 作者昵称 /// 
 public string NickName { get; set; } /// 
 /// 标题 /// 
 public string Title { get; set; } /// 
 ///该篇文字地址 /// 
 public string Url { get; set; } /// 
 /// 描述 /// 
 public string Des { get; set; } /// 
 /// 头像图片地址 /// 
 public string HeadUrl { get; set; } /// 
 /// 博客地址 /// 
 public string BlogUrl { get; set; } /// 
 /// 点赞次数 /// 
 public int ZanNum { get; set; } /// 
 /// 阅读次数 /// 
 public int ReadNum { get; set; } /// 
 /// 评论次数 /// 
 public int CommiteNum { get; set; } /// 
 /// 创建时间 /// 
 public DateTime CreateTime { get; set; } }

 public interface IBlogsReposity { /// 
 /// 获取博客信息 /// 
 ///  ///  Task> GetBlogs(int nTask); }

 public class BoKeYuan : IBlogsReposity { public async Task> GetBlogs(int nTask) { var blogs = new List(); try { //开启nTask个任务，读取前nTask页信息 Task>[] tasks = new Task>[nTask]; for (int i = 1; i <= tasks.Length; i++) { tasks[i - 1] = await Task.Factory.StartNew>>((page) => { return GetBlogsByPage(Convert.ToInt32(page)); }, i); } //30s等待 Task.WaitAll(tasks, TimeSpan.FromSeconds(30)); foreach (var item in tasks.Where(b => b.IsCompleted)) { blogs.AddRange(item.Result); } } catch (Exception ex) { } return blogs.OrderByDescending(b => b.CreateTime); } /// 
 /// /// 
 /// 页数 ///  async Task> GetBlogsByPage(int nPage) { var blogs = new List(); try { var strBlogs = string.Empty; using (HttpClient client = new HttpClient()) { strBlogs = await client.GetStringAsync("http://www.cnblogs.com/sitehome/p/" + nPage); } if (string.IsNullOrWhiteSpace(strBlogs)) { return blogs; } var matches = Regex.Matches(strBlogs, "diggnum\"[^>]+>(?\\d+)[^:]+(?http[^\"]+)[^>]+>(?