/// <summary>
/// 获取Bool类型的下拉框
/// </summary>
/// <param name="boolType"></param>
/// <param name="defaultValue"></param>
/// <param name="trueText"></param>
/// <param name="falseText"></param>
/// <param name="selectText"></param>
/// <returns></returns>
public static List <ComboSelectListItem> GetBoolCombo(BoolComboTypes boolType, bool?defaultValue = null, string trueText = null, string falseText = null, string selectText = null)
{
List <ComboSelectListItem> rv = new List <ComboSelectListItem>();
string yesText = "";
string noText = "";
switch (boolType)
{
case BoolComboTypes.YesNo:
yesText = "是";
noText = "否";
break;
case BoolComboTypes.ValidInvalid:
yesText = "有效";
noText = "无效";
break;
case BoolComboTypes.MaleFemale:
yesText = "男";
noText = "女";
break;
case BoolComboTypes.HaveNotHave:
yesText = "有";
noText = "无";
break;
case BoolComboTypes.Custom:
yesText = trueText ?? "是";
noText = falseText ?? "否";
break;
default:
break;
}
ComboSelectListItem yesItem = new ComboSelectListItem()
{
Text = yesText,
Value = "true"
};
if (defaultValue == true)
{
yesItem.Selected = true;
}
ComboSelectListItem noItem = new ComboSelectListItem()
{
Text = noText,
Value = "false"
};
if (defaultValue == false)
{
noItem.Selected = true;
}
rv.Add(yesItem);
rv.Add(noItem);
return(rv);
}
/// <summary>
/// 调用远程地址
/// </summary>
/// <param name="url">地址</param>
/// <param name="method">请求方式</param>
/// <param name="postdata">Post数据</param>
/// <param name="timeout">超时秒数</param>
/// <param name="proxy">代理</param>
/// <returns>远程方法返回的内容</returns>
public static async Task <string> CallAPI(string url, HttpMethodEnum method = HttpMethodEnum.GET, IDictionary <string, string> postdata = null, int?timeout = null, string proxy = null)
{
try
{
if (string.IsNullOrEmpty(url))
{
return(string.Empty);
}
//新建http请求
var request = WebRequest.Create(url) as HttpWebRequest;
//如果配置了代理，则使用代理
if (string.IsNullOrEmpty(proxy) == false)
{
request.Proxy = new WebProxy(proxy);
}
request.Method = method.ToString();
//如果是Post请求，则设置表单
if (method == HttpMethodEnum.POST || method == HttpMethodEnum.PUT)
{
request.ContentType = "application/x-www-form-urlencoded";
if (postdata == null || postdata.Count == 0)
{
request.Headers[HttpRequestHeader.ContentLength] = "0";
}
}
request.Headers[HttpRequestHeader.UserAgent] = DefaultUserAgent;
//设置超时
if (timeout.HasValue)
{
request.ContinueTimeout = timeout.Value;
}
request.CookieContainer = new CookieContainer();
//填充表单数据
if (!(postdata == null || postdata.Count == 0))
{
var buffer = new StringBuilder();
var i = 0;
foreach (string key in postdata.Keys)
{
if (i > 0)
{
buffer.AppendFormat("&{0}={1}", key, postdata[key]);
}
else
{
buffer.AppendFormat("{0}={1}", key, postdata[key]);
}
i++;
}
var data = Encoding.UTF8.GetBytes(buffer.ToString());
using (var stream = await request.GetRequestStreamAsync())
{
stream.Write(data, 0, data.Length);
}
}
var res = await request.GetResponseAsync();
var wsp = (HttpWebResponse)res;
Stream st = null;
//如果远程服务器采用了gzip，增进行相应的解压缩
if (wsp.Headers[HttpResponseHeader.ContentEncoding]?.ToLower().Contains("gzip") == true)
{
st = new GZipStream(st, CompressionMode.Decompress);
}
else
{
st = wsp.GetResponseStream();
}
//设置编码
var encode = Encoding.UTF8;
if (!string.IsNullOrEmpty(wsp.Headers[HttpResponseHeader.ContentEncoding]))
{
encode = Encoding.GetEncoding(wsp.Headers[HttpResponseHeader.ContentEncoding]);
}
//读取内容
var sr = new StreamReader(st, encode);
var ss = sr.ReadToEnd();
sr.Dispose();
wsp.Dispose();
return(ss);
}
catch
{
//返回失败信息
ComboSelectListItem rv = new ComboSelectListItem()
{
Text = "连接失败",
Value = null
};
return(JsonSerialize(rv));
}
}