using System.Security.Cryptography;
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using System.Text;
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using Newtonsoft.Json;
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namespace NewPdaSqlServer.util
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{
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/// SignUnit 签名属性常量类
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public class SignConst
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{
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public SignConst()
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{
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//this.appKey = "变量_AppKey";
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//this.operateCompanyCode = "变量_operateCompanyCode";
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//this.ownerCompanyCode = "变量_ownerCompanyCode";
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//this.appSecret = "变量_appSecret";
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//测试
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//this.appKey = "5f0f8dadc4edc70197a73f7ef506aa9b";
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//this.operateCompanyCode = "85621331";
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//this.ownerCompanyCode = "85621331";
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//this.appSecret = "fa7c117c02fd4967849a612963c034ca";
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//this.version = "1.0";
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//正式
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appKey = "edfa5f089979c94f2db47ab0b2cdc35d";
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operateCompanyCode = "25832037";
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ownerCompanyCode = "25832037";
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appSecret = "4e46a1b61c5a8ce2fb2a519120f59520";
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version = "1.0";
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}
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public string appKey { get; set; }
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public string version { get; set; }
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public string operateCompanyCode { get; set; }
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public string ownerCompanyCode { get; set; }
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public string appSecret { get; set; }
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}
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}
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namespace NewPdaSqlServer.util
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{
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/// API相关参数定义的全局类
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public class ApiGlobal
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{
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private static readonly object _lock = new();
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private static bool _initialized;
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static ApiGlobal()
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{
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Init();
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}
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public static SignConst signConst { get; set; }
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public static void Init()
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{
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if (!_initialized)
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lock (_lock)
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{
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if (!_initialized)
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{
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signConst = new SignConst();
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_initialized = true;
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}
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}
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}
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}
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}
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namespace NewPdaSqlServer.util
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{
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/// SignUtils 签名工具类
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public class SignUtils
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{
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public static MD5 md5 = MD5.Create();
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public static string buildCurrentSign(
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IDictionary<string, string> parameters, string appSecret)
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{
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try
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{
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var secret = ":" + appSecret;
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IDictionary<string, string> sortedParams =
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new SortedDictionary<string, string>(parameters,
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StringComparer.Ordinal);
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var dem = sortedParams.GetEnumerator();
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var query = new StringBuilder();
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while (dem.MoveNext())
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{
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var key = dem.Current.Key;
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var value = dem.Current.Value;
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if (key == "sign") continue;
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if (!string.IsNullOrEmpty(key))
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query.Append(value).Append(":");
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}
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var strvalue = query.ToString().TrimEnd(':') + secret;
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return MD5Encrypt32(strvalue);
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}
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catch (Exception)
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{
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throw new Exception("签名异常!");
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}
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}
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public static string MD5Encrypt32(string text)
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{
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var pwd = "";
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode的选择
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var s = md5.ComputeHash(Encoding.UTF8.GetBytes(text));
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// 通过使用循环，将字节类型的数组转换为字符串，此字符串是常规字符格式化所得
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for (var i = 0; i < s.Length; i++)
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//将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符
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pwd = pwd + s[i].ToString("x2");
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return pwd.ToLower();
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}
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public static long GetTimestamp(DateTime d)
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{
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var ts = d.ToUniversalTime() - new DateTime(1970, 1, 1);
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return (long)ts.TotalSeconds; //精确到秒
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}
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}
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}
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namespace NewPdaSqlServer.util
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{
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/// ApiCommonParam API请求对应的Common参数类
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public class ApiCommonParam
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{
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public ApiCommonParam()
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{
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}
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public ApiCommonParam(string appKey, string version,
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string operateCompanyCode, string ownerCompanyCode, long timestamps)
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{
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this.appKey = appKey;
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this.version = version;
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this.operateCompanyCode = operateCompanyCode;
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this.ownerCompanyCode = ownerCompanyCode;
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this.timestamps = timestamps;
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}
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public string appKey { get; set; } //appKey
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public string version { get; set; } //接口版本
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public string ownerCompanyCode { get; set; } //数据所属公司编码
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public string operateCompanyCode { get; set; } //操作者所属公司编码
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public string sign { get; set; } //签名
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public long timestamps { get; set; } //请求的时间戳
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//public object reserver { get; set; }//扩展字段
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/// 构造对象
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public static ApiCommonParam NewApiCommon()
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{
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// 确保初始化完成
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ApiGlobal.Init();
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// 构造对象（原有逻辑保持不变）
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var param = new ApiCommonParam(
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ApiGlobal.signConst.appKey,
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ApiGlobal.signConst.version,
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ApiGlobal.signConst.operateCompanyCode,
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ApiGlobal.signConst.ownerCompanyCode,
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SignUtils.GetTimestamp(DateTime.Now));
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//计算签名&赋值
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var jsonParam = JsonConvert.SerializeObject(param);
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//JavaScriptSerializer json = new JavaScriptSerializer();
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//string jsonParam = json.Serialize(param);
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var paramDict =
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JsonConvert.DeserializeObject<Dictionary<string, string>>(
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jsonParam);
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param.sign = SignUtils.buildCurrentSign(paramDict,
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ApiGlobal.signConst.appSecret);
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return param;
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}
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}
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}
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