public async Task<int> Add(HttpContext context, int a, int b)
{
context.WriteHeader("Add-before-await");
context.WriteHeader("---------------------------------------------------------");
int c = await AddSync(a, b);
context.WriteHeader("Add-after-await-return");
return c + 99;
}
public async Task<PageResult> GetWebsiteTitles(HttpContext context, string urls)
{
context.WriteHeader("action-before-await");
context.WriteHeader("---------------------------------------------------------");
TestTaskPageViewData viewData = new TestTaskPageViewData();
viewData.Input = urls;
if( string.IsNullOrEmpty(urls) ) {
viewData.Input = @"
http://cn.bing.com/
http://email.163.com/
http://www.aliyun.com/
http://baike.baidu.com/
http://www.dingtalk.com/
http://www.taobao.com/
http://www.tmall.com/";
}
else {
string[] urlArray = urls.SplitTrim('\r', '\n');
List<KeyValuePair<string, string>> list = new List<KeyValuePair<string, string>>(urlArray.Length);
foreach( string url in urlArray ) {
try {
HttpOption option = new HttpOption {
Url = url,
Timeout = 2000
};
string text = await HttpClient.SendAsync<string>(option);
context.WriteHeader("HttpClient.SendAsync<string>(url)--after-await");
string title = GetHtmlTitle(text) ?? "-----------------";
list.Add(new KeyValuePair<string, string>(url, title));
}
catch( Exception ex ) {
list.Add(new KeyValuePair<string, string>(url, ex.GetBaseException().Message));
}
viewData.Result = list;
}
}
context.WriteHeader("action-after-await-return");
return new PageResult(null, viewData);
}
