一、url爲http協議
1、普通調用:
public string GetInfo(string url)
{
//訪問http方法
string strBuff = "";
Uri httpURL = new Uri(url);
///HttpWebRequest類繼承於WebRequest,並沒有自己的構造函數,需通過WebRequest的Creat方法建立,並進行強制的類型轉換
HttpWebRequest httpReq = (HttpWebRequest)WebRequest.Create(httpURL);
///通過HttpWebRequest的GetResponse()方法建立HttpWebResponse,強制類型轉換
HttpWebResponse httpResp = (HttpWebResponse)httpReq.GetResponse();
///GetResponseStream()方法獲取HTTP響應的數據流,並嘗試取得URL中所指定的網頁內容
///若成功取得網頁的內容,則以System.IO.Stream形式返回,若失敗則產生ProtoclViolationException錯誤。在此正確的做法應將以下的代碼放到一個try塊中處理。這裏簡單處理
Stream respStream = httpResp.GetResponseStream();
///返回的內容是Stream形式的,所以可以利用StreamReader類獲取GetResponseStream的內容,並以
//StreamReader類的Read方法依次讀取網頁源程序代碼每一行的內容,直至行尾(讀取的編碼格式:UTF8)
StreamReader respStreamReader = new StreamReader(respStream, Encoding.UTF8);
strBuff = respStreamReader.ReadToEnd();
return strBuff;
}
方法調用舉例:
string url = "http://192.168.1.38:8088/api/user/get_info"; //http協議url
url +="?token=" + token + "&openid=" + openid ;
string userInfo = GetInfo(url);
2、json調用(使用Json方法訪問url需要在.net3.5以上版本):
#region Json訪問url方式(使用該方法需要在.net3.5以上)
//獲得用戶信息
protected OAuthUser Get_UserInfo(string token , string openid)
{
//http協議url
string Str = GetJson("http://192.168.1.38:8088/api/user/get_info?token=" + token + "&openid=" + openid);
OAuthUser OAuthUser_Model = JsonHelper.ParseFromJson(Str);
return OAuthUser_Model;
}
protected string GetJson(string url)
{
//訪問http
WebClient wc = new WebClient();
wc.Credentials = CredentialCache.DefaultCredentials;
wc.Encoding = Encoding.UTF8;
string returnText = wc.DownloadString(url);
if (returnText.Contains("errcode"))
{
//可能發生錯誤
}
//Response.Write(returnText);
return returnText;
}
///
/// 用戶信息類
///
public class OAuthUser
{
public OAuthUser()
{ }
#region 數據庫字段
private string _dept;
private string _name;
private string _userid;
#endregion
#region 字段屬性
///
/// 部門
///
public string dept
{
set { _dept = value; }
get { return _dept; }
}
///
/// 用戶名稱
///
public string name
{
set { _name = value; }
get { return _name; }
}
///
/// 用戶的唯一標識
///
public string userid
{
set { _userid = value; }
get { return _userid; }
}
#endregion
}
public class JsonHelper
{
///
/// 生成Json格式
///
///
///
///
public static string GetJson(T obj)
{
DataContractJsonSerializer json = new DataContractJsonSerializer(obj.GetType());
using (MemoryStream stream = new MemoryStream())
{
json.WriteObject(stream, obj);
string szJson = Encoding.UTF8.GetString(stream.ToArray()); return szJson;
}
}
///
/// 獲取Json的Model
///
///
///
///
public static T ParseFromJson(string szJson)
{
T obj = Activator.CreateInstance();
using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson)))
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
return (T)serializer.ReadObject(ms);
}
}
}
#endregion
二、url爲https協議
只需加入一句話即可:
//訪問https方法(先調用以下方法)
using System.Security.Cryptography.X509Certificates;
public bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
//直接確認,否則打不開
return true;
}
1、普通調用:
public string GetInfo(string url)
{
//訪問https方法需加上這句話(CheckValidationResult就是以上方法)
ServicePointManager.ServerCertificateValidationCallback =
new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//訪問http方法(不需要加上面那句話)
string strBuff = "";
Uri httpURL = new Uri(url);
///HttpWebRequest類繼承於WebRequest,並沒有自己的構造函數,需通過WebRequest的Creat方法建立,並進行強制的類型轉換
HttpWebRequest httpReq = (HttpWebRequest)WebRequest.Create(httpURL);
///通過HttpWebRequest的GetResponse()方法建立HttpWebResponse,強制類型轉換
HttpWebResponse httpResp = (HttpWebResponse)httpReq.GetResponse();
///GetResponseStream()方法獲取HTTP響應的數據流,並嘗試取得URL中所指定的網頁內容
///若成功取得網頁的內容,則以System.IO.Stream形式返回,若失敗則產生ProtoclViolationException錯誤。在此正確的做法應將以下的代碼放到一個try塊中處理。這裏簡單處理
Stream respStream = httpResp.GetResponseStream();
///返回的內容是Stream形式的,所以可以利用StreamReader類獲取GetResponseStream的內容,並以
//StreamReader類的Read方法依次讀取網頁源程序代碼每一行的內容,直至行尾(讀取的編碼格式:UTF8)
StreamReader respStreamReader = new StreamReader(respStream, Encoding.UTF8);
strBuff = respStreamReader.ReadToEnd();
return strBuff;
}
方法調用舉例:
string url = "https://192.168.1.38:8088/api/user/get_info"; //htts協議url
url +="?token=" + token + "&openid=" + openid ;
string userInfo = GetInfo(url);
2、Json調用
//獲得用戶信息
protected OAuthUser Get_UserInfo(string token , string openid)
{
//htts協議url
string Str = GetJson("https://192.168.1.38:8088/api/user/get_info?token=" + token + "&openid=" + openid);
OAuthUser OAuthUser_Model = JsonHelper.ParseFromJson(Str);
return OAuthUser_Model;
}
protected string GetJson(string url)
{
//訪問https需加上這句話
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//訪問http(不需要加上面那句話)
WebClient wc = new WebClient();
wc.Credentials = CredentialCache.DefaultCredentials;
wc.Encoding = Encoding.UTF8;
string returnText = wc.DownloadString(url);
if (returnText.Contains("errcode"))
{
//可能發生錯誤
}
//Response.Write(returnText);
return returnText;
}
json調用方式舉例:
OAuthUser OAuthUser_Model = Get_UserInfo(token, openid);
//聯調測試
Response.Write("accesstoken:" + token + "
userid:" + OAuthUser_Model.userid + "
用戶名稱:" + OAuthUser_Model.name + "
部門:" + OAuthUser_Model.dept);