WebApi的调用-2.后台调用
httpClient调用方式
namespace SOA.Common
{
//httpClient调用WebApi
public class HttpClientHelper
{
public static string GetHttpClient(string serverUrl, string method, WebHeaderCollection header)
{
using (HttpClient client = new HttpClient())
{
//如果有Basic认证的情况下，请自己封装header
if (header != null)
client.DefaultRequestHeaders.Add("Authorization", "BasicAuth " + header["Authorization"]);
var response = client.GetAsync(serverUrl + method).Result; //拿到异步结果
Console.WriteLine(response.StatusCode); //确保http成功
return response.Content.ReadAsStringAsync().Result;
}
}
public static string PostHttpClient(string serverUrl, string method, Dictionary<string, string> param)
{
using (HttpClient client = new HttpClient())
{
var content = new FormUrlEncodedContent(param);
client.DefaultRequestHeaders.Add("user-agent",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)");
var response = client.PostAsync(serverUrl + method, content).Result; //拿到异步结果
Console.WriteLine(response.StatusCode); //确保http成功
return response.Content.ReadAsStringAsync().Result;
}
}
/// <summary>
/// httpClient使用代理
/// </summary>
/// <param name="serverUrl"></param>
/// <param name="method"></param>
/// <param name="param"></param>
/// <returns></returns>
public static string PostHttpClientWithProxy(string serverUrl, string method, Dictionary<string, string> param,
ProxyParam proxyParam)
{
HttpClientHandler aHandler = new HttpClientHandler();
aHandler.UseCookies = true;
aHandler.AllowAutoRedirect = true;
IWebProxy Proxya = new WebProxy(proxyParam.IP + ":" + proxyParam.Port);
Proxya.Credentials = new NetworkCredential(proxyParam.Name, proxyParam.Pass, proxyParam.Domain);
aHandler.Proxy = Proxya;
using (HttpClient client = new HttpClient(aHandler))
{
var content = new FormUrlEncodedContent(param);
client.DefaultRequestHeaders.Add("user-agent",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)");
var response = client.PostAsync(serverUrl + method, content).Result; //拿到异步结果
Console.WriteLine(response.StatusCode); //确保http成功
return response.Content.ReadAsStringAsync().Result;
}
}
}
public class ProxyParam
{
public string IP { get; set; }
public string Port { get; set; }
public string Name { get; set; }
public string Pass { get; set; }
public string Domain { get; set; }
}
}
httpWebReqeust调用方式（一般使用）
//WebRequest调用WebApi
public class WebRequestHelper
{
/// <summary>
/// WebRequest的 Get 请求
/// </summary>
/// <param name="serverUrl" type="string">
/// <para>
/// api地址（地址+方法）
/// </para>
/// </param>
/// <param name="paramData" type="string">
/// <para>
/// 参数
/// </para>
/// </param>
public static string GetWebRequest(string serverUrl, string paramData, WebHeaderCollection header)
{
string requestUrl = serverUrl;
if (serverUrl.IndexOf('?') == -1 && paramData.IndexOf('?') == -1)
requestUrl += "?";
requestUrl += paramData;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(requestUrl);
if (header != null)
request.Headers = header;
request.ContentType = "application/json";
request.Timeout = 30 * 1000;
request.Method = "GET";
string result = string.Empty;
using (var res = request.GetResponse() as HttpWebResponse)
{
if (res.StatusCode == HttpStatusCode.OK)
{
var reader = new StreamReader(res.GetResponseStream(), Encoding.UTF8);
result = reader.ReadToEnd();
}
return result;
}
}
/// <summary>
/// WebRequest的 Post 请求
/// </summary>
/// <param name="serverUrl" type="string">
/// <para>
/// api地址（地址+方法）
/// </para>
/// </param>
/// <param name="postData" type="string">
/// <para>
/// 参数
/// </para>
/// </param>
public static string PostWebRequest(string serverUrl, string postData, WebHeaderCollection header)
{
var dataArray = Encoding.UTF8.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(serverUrl);
if (header != null)
request.Headers = header;
request.ContentLength = dataArray.Length;
//设置上传服务的数据格式
request.ContentType = "application/json";
request.Timeout = 30 * 1000;
request.Method = "POST";
//创建输入流
Stream dataStream;
try
{
dataStream = request.GetRequestStream();
}
catch (Exception)
{
return null;//连接服务器失败
}
//发送请求
dataStream.Write(dataArray, 0, dataArray.Length);
dataStream.Close();
//读取返回值
string result = string.Empty;
using (var res = request.GetResponse() as HttpWebResponse)
{
if (res.StatusCode == HttpStatusCode.OK)
{
var reader = new StreamReader(res.GetResponseStream(), Encoding.UTF8);
result = reader.ReadToEnd();
}
return result;
}
}
}
封装的调用
namespace SOA.Common
{
public class ApiHelper
{
public static readonly ApiHelper Instance = new ApiHelper();
public string RequestApi(string method, string queryString, WebHeaderCollection header = null)
{
string result = WebRequestHelper.GetWebRequest(ConfigHelper.Config.ApiUrl + method, queryString, header);
return result;
}
public AjaxResult RequestApi<T>(string method, string queryString, WebHeaderCollection header = null)
{
var result = WebRequestHelper.GetWebRequest(ConfigHelper.Config.ApiUrl + method, queryString, header);
return SerializeResult<T>(result);
}
/// <summary>
/// 序列化结果
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="result"></param>
/// <returns></returns>
private AjaxResult SerializeResult<T>(string result)
{
AjaxResult resultModel = JsonConverter.FromJsonTo<AjaxResult>(result);
if (resultModel.Status == 0 && resultModel.Data != null && !string.IsNullOrEmpty(resultModel.Data.ToString()))
{
if (resultModel.Data.ToString().IndexOf("[") == 0 && StringHelper.IsJson(resultModel.Data.ToString()))
{
resultModel.Data = JsonConverter.FromJsonTo<List<T>>(resultModel.Data.ToString());
}
else if (StringHelper.IsJson(resultModel.Data.ToString()))
{
resultModel.Data = JsonConverter.FromJsonTo<T>(resultModel.Data.ToString());
}
}
return resultModel;
}
}
}
StringHelper.cs 帮助类
namespace SOA.Common
{
public class StringHelper
{
public static string AreaAttr(string defaultStr, int max = 0, string tipTitle = "", string tipid = "")
{
string text = "";
if (!string.IsNullOrWhiteSpace(defaultStr))
{
text = text + " tipmsg=\"" + defaultStr + "\" onfocus=\"utils.ContentKeyFocus(this)\" onblur=\"utils.ContentKeyBlur(this)\"";
text += " style=\"color:#999;\"";
}
if (max > 0)
{
string text2 = text;
text = string.Concat(new string[]
{
text2,
" onkeyup=\"utils.ContentKeyUpDown2(this,",
max.ToString(),
",'",
tipid,
"',0,'",
tipTitle,
"')\""
});
}
return text;
}
public static string InputAttr(string val, string defaultStr, int max = 0, string tipTitle = "", string tipid = "")
{
string text = "";
if (!string.IsNullOrWhiteSpace(val))
{
text = text + " value=\"" + val + "\"";
}
if (!string.IsNullOrWhiteSpace(defaultStr))
{
if (string.IsNullOrWhiteSpace(val))
{
text = text + " value=\"" + defaultStr + "\"";
}
text = text + " tipmsg=\"" + defaultStr + "\" onfocus=\"utils.ContentKeyFocus(this)\" onblur=\"utils.ContentKeyBlur(this)\"";
text += " style=\"color:#999;\"";
}
if (max > 0)
{
string text2 = text;
text = string.Concat(new string[]
{
text2,
" onkeyup=\"utils.ContentKeyUpDown2(this,",
max.ToString(),
",'",
tipid,
"',0,'",
tipTitle,
"')\""
});
}
return text;
}
public static string WapEncode(string source)
{
return (!string.IsNullOrEmpty(source)) ? source.Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("‘", "'").Replace("\"", """).Replace("$", "$").Replace(" ", " ") : "";
}
public static string SubStr(string srcStr, int len)
{
string result;
if (len < 1)
{
result = string.Empty;
}
else
{
if (string.IsNullOrEmpty(srcStr))
{
result = srcStr;
}
else
{
int byteCount = System.Text.Encoding.Default.GetByteCount(srcStr);
if (byteCount <= len)
{
result = srcStr;
}
else
{
int num = 0;
int num2 = 0;
char[] array = srcStr.ToCharArray();
char[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
char c = array2[i];
int byteCount2 = System.Text.Encoding.Default.GetByteCount(array, num2, 1);
int num3 = num + byteCount2;
if (num3 > len)
{
result = srcStr.Substring(0, num2) + "...";
return result;
}
num = num3;
num2++;
}
result = srcStr;
}
}
}
return result;
}
public static string ReplaceIDS(string oldIds, bool isNoZero = true)
{
string result;
if (string.IsNullOrWhiteSpace(oldIds))
{
result = "";
}
else
{
string[] array = oldIds.Trim().Trim(new char[]
{
','
}).Split(new char[]
{
','
});
System.Collections.Generic.List<long> list = new System.Collections.Generic.List<long>();
string[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
string text = array2[i];
long num = TypeHelper.StrToInt64(text.Trim(), 0L);
if (!isNoZero || num != 0L)
{
if (!list.Contains(num))
{
list.Add(num);
}
}
}
string text2 = "";
foreach (long current in list)
{
text2 = text2 + "," + current.ToString();
}
result = text2.Trim(new char[]
{
','
});
}
return result;
}
public static string ReplaceStr2(string sourceStr)
{
string result;
if (string.IsNullOrWhiteSpace(sourceStr))
{
result = sourceStr;
}
else
{
result = sourceStr.Trim().Replace(" ", "").Replace("'", "").Replace("\"", "");
}
return result;
}
public static string Cut(string str, int len, System.Text.Encoding encoding)
{
string result;
if (string.IsNullOrEmpty(str))
{
result = str;
}
else
{
if (len <= 0)
{
result = string.Empty;
}
else
{
int byteCount = encoding.GetByteCount(str);
if (byteCount > len)
{
bool flag = byteCount == str.Length;
if (flag)
{
result = str.Substring(0, len);
return result;
}
int num = 0;
int num2 = 0;
char[] array = str.ToCharArray();
char[] array2 = array;
for (int i = 0; i < array2.Length; i++)
{
char c = array2[i];
int byteCount2 = encoding.GetByteCount(array, num2, 1);
int num3 = num + byteCount2;
if (num3 > len)
{
result = str.Substring(0, num2);
return result;
}
num = num3;
num2++;
}
}
result = str;
}
}
return result;
}
public static int GetChineseLength(string s)
{
int result;
if (string.IsNullOrEmpty(s))
{
result = 0;
}
else
{
result = System.Text.Encoding.GetEncoding("gb2312").GetByteCount(s);
}
return result;
}
public static int GetUTF8Length(string s)
{
int result;
if (string.IsNullOrEmpty(s))
{
result = 0;
}
else
{
result = System.Text.Encoding.UTF8.GetByteCount(s);
}
return result;
}
public static string StrFormat(string str)
{
string result;
if (str == null)
{
result = "";
}
else
{
str = str.Replace("\r\n", "<br />");
str = str.Replace("\n", "<br />");
result = str;
}
return result;
}
public static string EncodeHtml(string strHtml)
{
string result;
if (strHtml != "")
{
strHtml = strHtml.Replace(",", "&def");
strHtml = strHtml.Replace("'", "&dot");
strHtml = strHtml.Replace(";", "&dec");
result = strHtml;
}
else
{
result = "";
}
return result;
}
public static string HtmlDecode(string str)
{
return HttpUtility.HtmlDecode(str);
}
public static string HtmlEncode(string str)
{
return HttpUtility.HtmlEncode(str);
}
public static string UrlEncode(string str)
{
return HttpUtility.UrlEncode(str);
}
public static string UrlDecode(string str)
{
return HttpUtility.UrlDecode(str);
}
public static bool StrIsNullOrEmpty(string str)
{
return str == null || str.Trim() == string.Empty;
}
public static string CutString(string str, int startIndex, int length)
{
string result;
if (string.IsNullOrWhiteSpace(str))
{
result = "";
}
else
{
if (startIndex >= 0)
{
if (length < 0)
{
length *= -1;
if (startIndex - length < 0)
{
length = startIndex;
startIndex = 0;
}
else
{
startIndex -= length;
}
}
if (startIndex > str.Length)
{
result = "";
return result;
}
}
else
{
if (length < 0)
{
result = "";
return result;
}
if (length + startIndex <= 0)
{
result = "";
return result;
}
length += startIndex;
startIndex = 0;
}
if (str.Length - startIndex < length)
{
length = str.Length - startIndex;
}
result = str.Substring(startIndex, length);
}
return result;
}
public static string CutString(string str, int startIndex)
{
string result;
if (string.IsNullOrWhiteSpace(str))
{
result = "";
}
else
{
result = StringHelper.CutString(str, startIndex, str.Length);
}
return result;
}
public static string ToSqlInStr(System.Collections.Generic.List<int> ids)
{
string text = "";
if (ids != null && ids.Count > 0)
{
foreach (int current in ids)
{
text = text + current + ",";
}
}
text = text.Trim(",".ToCharArray());
return text;
}
public static string ToSqlInStr(System.Collections.Generic.List<long> ids)
{
string text = "";
if (ids != null && ids.Count > 0)
{
foreach (long current in ids)
{
text = text + current + ",";
}
}
text = text.Trim(",".ToCharArray());
return text;
}
public static string ToSqlInStr(System.Collections.Generic.List<string> ids)
{
string text = "";
if (ids != null && ids.Count > 0)
{
foreach (string current in ids)
{
text = text + "'" + current + "',";
}
}
text = text.Trim(",".ToCharArray());
return text;
}
public static string FilteSQLStr(string Str)
{
string result;
if (string.IsNullOrEmpty(Str))
{
result = "";
}
else
{
Str = Str.Replace("'", "");
Str = Str.Replace("\"", "");
Str = Str.Replace("&", "&");
Str = Str.Replace("<", "<");
Str = Str.Replace(">", ">");
Str = Str.Replace("delete", "");
Str = Str.Replace("update", "");
Str = Str.Replace("insert", "");
result = Str;
}
return result;
}
private static bool IsJsonStart(ref string json)
{
if (!string.IsNullOrEmpty(json))
{
json = json.Trim('\r', '\n', ' ');
if (json.Length > 1)
{
char s = json[0];
char e = json[json.Length - 1];
return (s == '{' && e == '}') || (s == '[' && e == ']');
}
}
return false;
}
internal static bool IsJson(string json)
{
int errIndex;
return IsJson(json, out errIndex);
}
internal static bool IsJson(string json, out int errIndex)
{
errIndex = 0;
if (IsJsonStart(ref json))
{
CharState cs = new CharState();
char c;
for (int i = 0; i < json.Length; i++)
{
c = json[i];
if (SetCharState(c, ref cs) && cs.childrenStart)//设置关键符号状态。
{
string item = json.Substring(i);
int err;
int length = GetValueLength(item, true, out err);
cs.childrenStart = false;
if (err > 0)
{
errIndex = i + err;
return false;
}
i = i + length - 1;
}
if (cs.isError)
{
errIndex = i;
return false;
}
}
return !cs.arrayStart && !cs.jsonStart;
}
return false;
}
/// <summary>
/// 获取值的长度（当Json值嵌套以"{"或"["开头时）
/// </summary>
private static int GetValueLength(string json, bool breakOnErr, out int errIndex)
{
errIndex = 0;
int len = 0;
if (!string.IsNullOrEmpty(json))
{
CharState cs = new CharState();
char c;
for (int i = 0; i < json.Length; i++)
{
c = json[i];
if (!SetCharState(c, ref cs))//设置关键符号状态。
{
if (!cs.jsonStart && !cs.arrayStart)//json结束，又不是数组，则退出。
{
break;
}
}
else if (cs.childrenStart)//正常字符，值状态下。
{
int length = GetValueLength(json.Substring(i), breakOnErr, out errIndex);//递归子值，返回一个长度。。。
cs.childrenStart = false;
cs.valueStart = 0;
//cs.state = 0;
i = i + length - 1;
}
if (breakOnErr && cs.isError)
{
errIndex = i;
return i;
}
if (!cs.jsonStart && !cs.arrayStart)//记录当前结束位置。
{
len = i + 1;//长度比索引+1
break;
}
}
}
return len;
}
/// <summary>
/// 字符状态
/// </summary>
private class CharState
{
internal bool jsonStart = false;//以 "{"开始了...
internal bool setDicValue = false;// 可以设置字典值了。
internal bool escapeChar = false;//以"\"转义符号开始了
/// <summary>
/// 数组开始【仅第一开头才算】，值嵌套的以【childrenStart】来标识。
/// </summary>
internal bool arrayStart = false;//以"[" 符号开始了
internal bool childrenStart = false;//子级嵌套开始了。
/// <summary>
/// 【0 初始状态，或 遇到“,”逗号】；【1 遇到“：”冒号】
/// </summary>
internal int state = 0;
/// <summary>
/// 【-1 取值结束】【0 未开始】【1 无引号开始】【2 单引号开始】【3 双引号开始】
/// </summary>
internal int keyStart = 0;
/// <summary>
/// 【-1 取值结束】【0 未开始】【1 无引号开始】【2 单引号开始】【3 双引号开始】
/// </summary>
internal int valueStart = 0;
internal bool isError = false;//是否语法错误。
internal void CheckIsError(char c)//只当成一级处理（因为GetLength会递归到每一个子项处理）
{
if (keyStart > 1 || valueStart > 1)
{
return;
}
//示例 ["aa",{"bbbb":123,"fff","ddd"}]
switch (c)
{
case '{'://[{ "[{A}]":[{"[{B}]":3,"m":"C"}]}]
isError = jsonStart && state == 0;//重复开始错误 同时不是值处理。
break;
case '}':
isError = !jsonStart || (keyStart != 0 && state == 0);//重复结束错误 或者 提前结束{"aa"}。正常的有{}
break;
case '[':
isError = arrayStart && state == 0;//重复开始错误
break;
case ']':
isError = !arrayStart || jsonStart;//重复开始错误 或者 Json 未结束
break;
case '"':
case '\'':
isError = !(jsonStart || arrayStart); //json 或数组开始。
if (!isError)
{
//重复开始 [""",{"" "}]
isError = (state == 0 && keyStart == -1) || (state == 1 && valueStart == -1);
}
if (!isError && arrayStart && !jsonStart && c == '\'')//['aa',{}]
{
isError = true;
}
break;
case ':':
isError = !jsonStart || state == 1;//重复出现。
break;
case ',':
isError = !(jsonStart || arrayStart); //json 或数组开始。
if (!isError)
{
if (jsonStart)
{
isError = state == 0 || (state == 1 && valueStart > 1);//重复出现。
}
else if (arrayStart)//["aa,] [,] [{},{}]
{
isError = keyStart == 0 && !setDicValue;
}
}
break;
case ' ':
case '\r':
case '\n'://[ "a",\r\n{} ]
case '\0':
case '\t':
break;
default: //值开头。。
isError = (!jsonStart && !arrayStart) || (state == 0 && keyStart == -1) || (valueStart == -1 && state == 1);//
break;
}
//if (isError)
//{
//}
}
}
/// <summary>
/// 设置字符状态(返回true则为关键词，返回false则当为普通字符处理）
/// </summary>
private static bool SetCharState(char c, ref CharState cs)
{
cs.CheckIsError(c);
switch (c)
{
case '{'://[{ "[{A}]":[{"[{B}]":3,"m":"C"}]}]
#region 大括号
if (cs.keyStart <= 0 && cs.valueStart <= 0)
{
cs.keyStart = 0;
cs.valueStart = 0;
if (cs.jsonStart && cs.state == 1)
{
cs.childrenStart = true;
}
else
{
cs.state = 0;
}
cs.jsonStart = true;//开始。
return true;
}
#endregion
break;
case '}':
#region 大括号结束
if (cs.keyStart <= 0 && cs.valueStart < 2 && cs.jsonStart)
{
cs.jsonStart = false;//正常结束。
cs.state = 0;
cs.keyStart = 0;
cs.valueStart = 0;
cs.setDicValue = true;
return true;
}
// cs.isError = !cs.jsonStart && cs.state == 0;
#endregion
break;
case '[':
#region 中括号开始
if (!cs.jsonStart)
{
cs.arrayStart = true;
return true;
}
else if (cs.jsonStart && cs.state == 1)
{
cs.childrenStart = true;
return true;
}
#endregion
break;
case ']':
#region 中括号结束
if (cs.arrayStart && !cs.jsonStart && cs.keyStart <= 2 && cs.valueStart <= 0)//[{},333]//这样结束。
{
cs.keyStart = 0;
cs.valueStart = 0;
cs.arrayStart = false;
return true;
}
#endregion
break;
case '"':
case '\'':
#region 引号
if (cs.jsonStart || cs.arrayStart)
{
if (cs.state == 0)//key阶段,有可能是数组["aa",{}]
{
if (cs.keyStart <= 0)
{
cs.keyStart = (c == '"' ? 3 : 2);
return true;
}
else if ((cs.keyStart == 2 && c == '\'') || (cs.keyStart == 3 && c == '"'))
{
if (!cs.escapeChar)
{
cs.keyStart = -1;
return true;
}
else
{
cs.escapeChar = false;
}
}
}
else if (cs.state == 1 && cs.jsonStart)//值阶段必须是Json开始了。
{
if (cs.valueStart <= 0)
{
cs.valueStart = (c == '"' ? 3 : 2);
return true;
}
else if ((cs.valueStart == 2 && c == '\'') || (cs.valueStart == 3 && c == '"'))
{
if (!cs.escapeChar)
{
cs.valueStart = -1;
return true;
}
else
{
cs.escapeChar = false;
}
}
}
}
#endregion
break;
case ':':
#region 冒号
if (cs.jsonStart && cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 0)
{
if (cs.keyStart == 1)
{
cs.keyStart = -1;
}
cs.state = 1;
return true;
}
// cs.isError = !cs.jsonStart || (cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 1);
#endregion
break;
case ',':
#region 逗号 //["aa",{aa:12,}]
if (cs.jsonStart)
{
if (cs.keyStart < 2 && cs.valueStart < 2 && cs.state == 1)
{
cs.state = 0;
cs.keyStart = 0;
cs.valueStart = 0;
//if (cs.valueStart == 1)
//{
// cs.valueStart = 0;
//}
cs.setDicValue = true;
return true;
}
}
else if (cs.arrayStart && cs.keyStart <= 2)
{
cs.keyStart = 0;
//if (cs.keyStart == 1)
//{
// cs.keyStart = -1;
//}
return true;
}
#endregion
break;
case ' ':
case '\r':
case '\n'://[ "a",\r\n{} ]
case '\0':
case '\t':
if (cs.keyStart <= 0 && cs.valueStart <= 0) //cs.jsonStart &&
{
return true;//跳过空格。
}
break;
default: //值开头。。
if (c == '\\') //转义符号
{
if (cs.escapeChar)
{
cs.escapeChar = false;
}
else
{
cs.escapeChar = true;
return true;
}
}
else
{
cs.escapeChar = false;
}
if (cs.jsonStart || cs.arrayStart) // Json 或数组开始了。
{
if (cs.keyStart <= 0 && cs.state == 0)
{
cs.keyStart = 1;//无引号的
}
else if (cs.valueStart <= 0 && cs.state == 1 && cs.jsonStart)//只有Json开始才有值。
{
cs.valueStart = 1;//无引号的
}
}
break;
}
return false;
}
}
}
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