个人中心
文章发布
退出
作者热门文章
- Java锁的逻辑（结合对象头和ObjectMonitor）
- 还在用饼状图？来瞧瞧这些炫酷的百分比可视化新图形（附代码实现）⛵
- 自动注册实体类到EntityFrameworkCore上下文，并适配ABP及ABPVNext
- 基于Sklearn机器学习代码实战
28
4
以下代码的功能是用户可以实现业务中用户虚拟钱包的钱提现到用户银行卡，其实本质上是把商户的账户资金划转到用户银行卡，其实就是银行转账，相关代码如下:
///此方法存在部分业务代码，核心方法是doProcess方法且基本是可以复用的，其它的代码可以根据自身业务场景灵活处理;
public
async
Task<WithDrawResultDto>
WithDrawToBank(TransferToBankDto transferToBankDto)
{
decimal
balance =
await
_repository.WalletRepository.GetWalletBalance(
new
Contract.User.UserBasicDto()
{
WeChatId
=
transferToBankDto.WeChatId,
});
if
(balance <
transferToBankDto.Amount)
{
return
new
WithDrawResultDto() { WithDrawResult =
false
, Message =
"
可用余额不够，请重新输入提现金额。
"
};
}
long
userId =
await
_repository.UserRepository.GetUserIdByWeChatId(transferToBankDto.WeChatId);
if
(userId ==
0
)
{
return
new
WithDrawResultDto() { WithDrawResult =
false
, Message =
"
用户不存在
"
};
}
//
bool walletToBankResult = await _walletService.WalletToBankAccount(transferToBankDto.WeChatId, userId, transferToBankDto.Amount, (int)WalletCashType.Withdrawing, yurRef);
//
if (walletToBankResult)
//
{
Log.Information(
"
begin WithDraw call cloud direct
"
);
string
reqId = DCHelper.GetTime() + RandomHelper.GeneratorRandomStr(
7
);
decimal
amount =
transferToBankDto.Amount;
string
bankCode =
await
_repository.BankRepository.QueryBankCodeByBankAccount(userId, transferToBankDto.BankAccount);
string
bankHolder =
await
_repository.BankRepository.QueryCardHolder(userId, transferToBankDto.BankAccount);
Log.Information($
"
bankHolder:{bankHolder}
"
);
//
记录业务编号
//
业务编号记录到数据库
//
组织发送报文
JObject obj =
new
JObject();
JObject req
=
new
JObject();
JArray bb1paybmx1BodyArray
=
new
JArray();
JObject bb1paybmx1Body
=
new
JObject();
JObject bb1paybmx1Body2
=
new
JObject();
JArray bb1payopx1BodyArray
=
new
JArray();
JObject bb1payopx1Body
=
new
JObject();
JObject bb1payopx1Body2
=
new
JObject();
JObject head
=
new
JObject();
head.Add(
"
funcode
"
, FunCode);// FunCode = "BB1PAYOP";功能代码
head.Add(
"
userid
"
, UID);//用户编号，与商户相关
head.Add(
"
reqid
"
, reqId);
bb1paybmx1Body.Add(
"
busCod
"
, BusCod);//BusCod = "N02030";业务编码
bb1paybmx1Body.Add(
"
busMod
"
, BusMod);///业务模式
bb1paybmx1BodyArray.Add(bb1paybmx1Body);
//
bb1paybmx1Body2.Add("bb1paybmx1", bb1paybmx1BodyArray);
JArray bb1payopx1
=
new
JArray();
bb1payopx1Body.Add(
"
dbtAcc
"
, CompanyCard);//公司账号
bb1payopx1Body.Add(
"
crtAcc
"
, transferToBankDto.BankAccount);//收款人账号
bb1payopx1Body.Add(
"
crtNam
"
, bankHolder);//持卡人姓名
bb1payopx1Body.Add(
"
ccyNbr
"
, CurrencyCode);//币种 CurrencyCode = "10";//10代表人民币
bb1payopx1Body.Add(
"
trsAmt
"
, amount.ToString(
"
#0.00
"
));
//
bb1payopx1Body.Add("crtBnk", "招商银行深圳分行");
bb1payopx1Body.Add(
"
bnkFlg
"
, (bankCode == CMBCode ?
"
Y
"
:
"
N
"
));//CMBCodeCMBCode = "CMB";如果是招商银行，bnkFlg的取值是Y
bb1payopx1Body.Add(
"
stlChn
"
, StlChn);//StlChn为R代表及时到账
bb1payopx1Body.Add(
"
nusAge
"
,
"
钱包提现到银行卡
"
);
//
bb1payopx1Body.Add("yurRef", "202008260078000033");
bb1payopx1Body.Add(
"
yurRef
"
, yurRef);//业务流水号，可以使用雪花算法生成
bb1payopx1BodyArray.Add(bb1payopx1Body);
JObject jobjectBodyList
=
new
JObject();
jobjectBodyList.Add(
"
bb1paybmx1
"
, bb1paybmx1BodyArray);
jobjectBodyList.Add(
"
bb1payopx1
"
, bb1payopx1BodyArray);
JObject jobjectBody
=
new
JObject();
jobjectBody.Add(
"
body
"
, jobjectBodyList);
jobjectBody.Add(
"
head
"
, head);
JObject requestBody
=
new
JObject();
requestBody.Add(
"
request
"
, jobjectBody);
//
bb1payopx1Body2.Add("bb1payopx1", bb1payopx1BodyArray);
//
请求发送接收
var
withDrawResult =
doProcess(requestBody, FunCode);
if
(withDrawResult.WithDrawResult ==
true
)
{
bool
walletToBankResult =
await
_walletService.WalletToBankAccount(transferToBankDto.WeChatId, userId, transferToBankDto.Amount, (
int
)WalletCashType.Withdrawing, yurRef);
WithDrawToBankRecord withDrawToBankRecord
=
new
WithDrawToBankRecord
(userId: userId, funcode: FunCode, reqid: reqId, busCod: BusCod, busMod: BusMod, dbtAcc: CompanyCard,
crtAcc: transferToBankDto.BankAccount, crtNam: bankHolder, ccyNbr: CurrencyCode,
trsAmt: amount, bnkFlg: (bankCode
== CMBCode ?
"
Y
"
:
"
N
"
), stlChn: StlChn, nusAge:
"
钱包提现到银行卡
"
, yurRef: yurRef.ToString(), withdrawStatus:
0
,openId: transferToBankDto.OpenId);
await
_repository.RedPackageRepository.CreateWithDrawToBankRecord(withDrawToBankRecord);
await
WithDrawSendMsgToClient.SendMsgToClient(openId: transferToBankDto.OpenId, templageId: SuccessTemplateId, amount: amount, withdrawDatetime: DateTime.Now.ToString(
"
yyyy-MM-dd HH:mm:ss
"
), WithdrawToBankStatus.Success);
}
//
更新出金时间
await
_repository.BankRepository.UpdateWithDrawDateTimeAsync(userId, transferToBankDto.BankAccount);
return
withDrawResult;
//
}
//
else
//
{
//
return new WithDrawResultDto() { WithDrawResult = false,Message="提现失败,请稍后重试." };
//
}
}
DCHelper辅助类 。
using
Newtonsoft.Json.Linq;
using
System;
using
System.Collections;
using
System.Collections.Generic;
using
System.Linq;
using
System.Net;
using
System.Net.Security;
using
System.Security.Cryptography.X509Certificates;
using
System.Text;
using
System.Threading.Tasks;
namespace
Demo.Utils
{
public
class
DCHelper
{
public
static
string
SerialJsonOrdered(JObject json)
{
List
<
string
> keyList =
new
List<
string
>
();
foreach
(
var
x
in
json)
{
keyList.Add(x.Key);
}
string
[] keyArray =
keyList.ToArray();
Array.Sort(keyArray,
string
.CompareOrdinal);
StringBuilder appender
=
new
StringBuilder();
appender.Append(
"
{
"
);
bool
isFirstEle =
true
;
foreach
(
var
key
in
keyArray)
{
if
(!
isFirstEle)
{
appender.Append(
"
,
"
);
}
Object val
=
json[key];
if
(val
is
JObject)
{
appender.Append(
"
\"
"
).Append(key).Append(
"
\":
"
);
appender.Append(SerialJsonOrdered((JObject)val));
}
else
if
(val
is
JArray)
{
JArray jarray
=
(JArray)val;
appender.Append(
"
\"
"
).Append(key).Append(
"
\":[
"
);
bool
isFirstArrEle =
true
;
for
(
int
i =
0
; i < jarray.Count; i++
)
{
if
(!
isFirstArrEle)
{
appender.Append(
"
,
"
);
}
Object obj
=
jarray[i];
if
(obj
is
JObject)
{
appender.Append(SerialJsonOrdered((JObject)obj));
}
else
{
appender.Append(obj.ToString());
}
isFirstArrEle
=
false
;
}
appender.Append(
"
]
"
);
}
else
if
(((JToken)val).Type ==
JTokenType.String)
{
string
value =
val.ToString();
appender.Append(
"
\"
"
).Append(key).Append(
"
\":
"
).Append(
"
\"
"
).Append(value.Replace(
"
\\
"
,
"
\\\\
"
)).Append(
"
\"
"
);
}
else
if
(((JToken)val).Type ==
JTokenType.Boolean)
{
string
value =
val.ToString().ToLower();
appender.Append(
"
\"
"
).Append(key).Append(
"
\":
"
).Append(value);
}
else
{
string
value =
val.ToString();
appender.Append(
"
\"
"
).Append(key).Append(
"
\":
"
).Append(value);
}
isFirstEle
=
false
;
}
appender.Append(
"
}
"
);
return
appender.ToString();
}
public
static
String GetTime()
{
return
DateTime.Now.ToString(
"
yyyyMMddHHmmssfff
"
);
}
public
static
String GetTime2()
{
return
DateTime.Now.ToString(
"
yyyyMMddHHmmss
"
);
}
//
发送Post请求
public
static
String DoPostForm(String httpUrl, Hashtable param)
{
Encoding encoding
= Encoding.GetEncoding(
"
utf-8
"
);
HttpWebResponse response
=
PostHttps(httpUrl, param, encoding);
Stream stream
=
response.GetResponseStream();
StreamReader sr
=
new
StreamReader(stream);
return
sr.ReadToEnd();
}
private
static
bool
CheckValidationResult(
object
sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
return
true
;
//
信任所有https站点证书，不安全，请勿在生产环境中使用。
}
private
static
HttpWebResponse PostHttps(
string
url, Hashtable param, Encoding encoding)
{
HttpWebRequest request
=
null
;
//
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//
请勿在生产环境中使用该行程序
request = WebRequest.Create(url)
as
HttpWebRequest;
request.ProtocolVersion
=
HttpVersion.Version11;
request.Method
=
"
POST
"
;
request.ContentType
=
"
application/x-www-form-urlencoded
"
;
request.Timeout
=
15000
;
request.KeepAlive
=
false
;
request.ReadWriteTimeout
=
60000
;
byte
[] data =
encoding.GetBytes(CreateLinkString(param));
request.ContentLength
=
data.Length;
using
(Stream stream =
request.GetRequestStream())
{
stream.Write(data,
0
, data.Length);
}
WebResponse res;
try
{ res =
request.GetResponse(); }
catch
(WebException e)
{
res
=
e.Response;
}
return
(HttpWebResponse)res;
}
private
static
string
CreateLinkString(Hashtable param)
{
IEnumerator keys
=
param.Keys.GetEnumerator();
StringBuilder prestr
=
new
StringBuilder();
int
i =
0
;
while
(keys.MoveNext())
{
i
++
;
string
key = keys.Current
as
string
;
string
value = param[key]
as
string
;
if
(i ==
param.Count)
{
prestr.Append(key).Append(
"
=
"
).Append(value);
}
else
{
prestr.Append(key).Append(
"
=
"
).Append(value).Append(
"
&
"
);
}
}
return
prestr.ToString();
}
}
}
RandomHelper辅助类 。
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
System.Threading.Tasks;
namespace
Demo.Utils
{
public
static
class
RandomHelper
{
public
static
string
GeneratorRandomStr(
int
len)
{
string
chars =
"
0123456789abcdefghijklmnopqrstuvwxyz
"
;
Random randrom
=
new
Random((
int
)DateTime.Now.Ticks);
string
str =
""
;
for
(
int
i =
0
; i < len; i++
)
{
str
+=
chars[randrom.Next(chars.Length)];
}
return
str;
}
}
}
。
核心方法:
private
WithDrawResultDto doProcess(JObject jObject,
string
FUNCODE)
{
JObject obj
=
new
JObject();
//
签名
obj.Add(
"
sigdat
"
,
"
__signature_sigdat__
"
);
obj.Add(
"
sigtim
"
, DCHelper.GetTime2());
jObject.Add(
"
signature
"
, obj);
string
source =
DCHelper.SerialJsonOrdered(jObject);
Console.WriteLine(
"
签名原文:
"
+
source);
Log.Information($
"
{FUNCODE} request data is {source}
"
);
Encoding encoding
=
Encoding.UTF8;
byte
[] signature1 =
DCCryptor.CMBSM2SignWithSM3(GetID_IV(), Convert.FromBase64String(privkey), encoding.GetBytes(source));//privkey是私钥
string
sigdat1 =
Convert.ToBase64String(signature1);
Console.WriteLine(
"
签名结果:
"
+
sigdat1);
obj[
"
sigdat
"
] =
sigdat1;
//
SM4-CBC加密
string
plaintxt =
jObject.ToString();
Console.WriteLine(
"
加密前req:
"
+
plaintxt);
byte
[] enInput =
DCCryptor.CMBSM4EncryptWithCBC(encoding.GetBytes(sm4key), GetID_IV(), encoding.GetBytes(plaintxt));//sm4key是用户的对称密钥
string
req =
Convert.ToBase64String(enInput);
Console.WriteLine(
"
加密后req:
"
+
req);
Log.Information(
"
begin send request to cloud direct
"
);
//
发送请求
Hashtable map =
new
Hashtable();
map.Add(
"
UID
"
, UID);
map.Add(
"
ALG
"
, ALG_SM);//ALG_SM = "SM";采用国密算法
map.Add(
"
DATA
"
, HttpUtility.UrlEncode(req, encoding));
map.Add(
"
FUNCODE
"
, FUNCODE);
string
res =
DCHelper.DoPostForm(URL, map);//访问招商银行的api请求地址：（测试环境：http://cdctest.cmburl.cn/cdcserver/api/v2；正式环境：https://cdc.cmbchina.com/cdcserver/api/v2）
Log.Information(
"
end request
"
);
Console.WriteLine(
"
res:
"
+
res);
Log.Information(
"
DoPostForm {@res}
"
, res);
try
{
Convert.FromBase64String(res);
}
catch
(Exception ex)
{
Console.WriteLine(
"
访问返回错误.
"
);
Log.Information(
"
Convert.FromBase64String error {@ex}
"
, ex);
return
new
()
{
WithDrawResult
=
false
,
Message
=
"
访问返回错误.
"
};
}
//
解密请求
string
resplain =
encoding.GetString(DCCryptor.CMBSM4DecryptWithCBC(encoding.GetBytes(sm4key), GetID_IV(), Convert.FromBase64String(res)));
Console.WriteLine(
"
res decrypt:
"
+
resplain);
Log.Information($
"
{FUNCODE} response data is {resplain}
"
);
//
验签
JObject object2 =
JObject.Parse(resplain);
JObject
? object3 = object2[
"
signature
"
]
as
JObject;
string
? resSign = object3?[
"
sigdat
"
]?
.ToString();
object3[
"
sigdat
"
] =
"
__signature_sigdat__
"
;
object2[
"
signature
"
] =
object3;
string
resSignSource =
DCHelper.SerialJsonOrdered(object2);
Console.WriteLine(
"
验签原文:
"
+
resSignSource);
Console.WriteLine(
"
验签签名值:
"
+
resSign);
bool
verify =
DCCryptor.CMBSM2VerifyWithSM3(GetID_IV(), Convert.FromBase64String(bankpubkey), encoding.GetBytes(resSignSource), Convert.FromBase64String(resSign));//bankpubkey：银行公钥
Console.WriteLine(
"
验签结果:
"
+
verify);
Log.Information($
"
验签结果:{verify}
"
);
if
(verify)
{
//
验签成功以后正常判断
if
(object2[
"
response
"
]?[
"
head
"
]?[
"
resultcode
"
]
is
not
null
)
{
string
? resultCode = object2[
"
response
"
]?[
"
head
"
]?[
"
resultcode
"
]?
.ToString();
if
(resultCode !=
"
SUC0000
"
)
{
Log.Information($
"
withdraw hava error,resultmsg is {object2[
"
response
"
]?[
"
head
"
]?[
"
resultmsg
"
]?.ToString()},
"
+
$
"
resultcode is {object2[
"
response
"
]?[
"
head
"
]?[
"
resultcode
"
]?.ToString()}
"
);
return
new
()
{
WithDrawResult
=
false
,
Message
= object2[
"
response
"
]?[
"
head
"
]?[
"
resultmsg
"
]?
.ToString()
};
}
else
{
string
[] errors =
new
[] {
"
F
"
,
"
B
"
,
"
R
"
,
"
D
"
,
"
C
"
};
string
? rtnFlg = object2[
"
response
"
]?[
"
body
"
]?[
"
bb1payopz1
"
][
0
]?[
"
rtnFlg
"
]?
.ToString();
if
(object2[
"
response
"
]?[
"
body
"
]?[
"
bb1payopz1
"
][
0
]?[
"
reqSts
"
]?.ToString() ==
"
FIN
"
&&
errors.Contains(rtnFlg))
{
Log.Information($
"
withdraw hava error,errTxt is {object2[
"
response
"
]?[
"
body
"
]?[
"
bb1payopz1
"
][0]?[
"
errTxt
"
]?.ToString()},
"
+
$
"
errCod is {object2[
"
response
"
]?[
"
body
"
]?[
"
bb1payopz1
"
][0]?[
"
errCod
"
]?.ToString()}
"
);
return
new
()
{
WithDrawResult
=
false
,
Message
= object2[
"
response
"
]?[
"
body
"
]?[
"
bb1payopz1
"
][
0
]?[
"
errTxt
"
]?
.ToString()
};
}
}
}
}
else
{
Log.Error(
"
验签失败
"
);
return
new
()
{
WithDrawResult
=
false
,
Message
=
"
验签失败,请联系系统管理员。
"
};
}
return
new
() { WithDrawResult =
true
};
}
私有方法 。
private
byte
[] GetID_IV()
{
String uid
= UID;
//
请替换为实际的用户UID
String userid = uid +
"
0000000000000000
"
;
return
Encoding.UTF8.GetBytes(userid.Substring(
0
,
16
));
}
。
DCCryptor辅助类 。
using
Org.BouncyCastle.Asn1;
using
Org.BouncyCastle.Asn1.X9;
using
Org.BouncyCastle.Crypto;
using
Org.BouncyCastle.Crypto.Parameters;
using
Org.BouncyCastle.Crypto.Signers;
using
Org.BouncyCastle.Math;
using
Org.BouncyCastle.Math.EC;
using
Org.BouncyCastle.Security;
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Text;
using
System.Threading.Tasks;
namespace
Demo.Utils
{
public
class
DCCryptor
{
public
static
byte
[] CMBSM4EncryptWithCBC(
byte
[] key,
byte
[] iv,
byte
[] input)
{
if
(key ==
null
|| iv ==
null
|| input ==
null
)
{
throw
new
Exception(
"
CMBSM4EncryptWithCBC 非法输入
"
);
}
return
CMBSM4Crypt(key, iv, input,
true
);
}
public
static
byte
[] CMBSM4DecryptWithCBC(
byte
[] key,
byte
[] iv,
byte
[] input)
{
if
(key ==
null
|| iv ==
null
|| input ==
null
)
{
throw
new
Exception(
"
CMBSM4DecryptWithCBC 非法输入
"
);
}
return
CMBSM4Crypt(key, iv, input,
false
);
}
public
static
byte
[] CMBSM2SignWithSM3(
byte
[] id,
byte
[] privkey,
byte
[] msg)
{
if
(privkey ==
null
|| msg ==
null
)
{
throw
new
Exception(
"
CMBSM2SignWithSM3 input error
"
);
}
ECPrivateKeyParameters privateKey
=
EncodePrivateKey(privkey);
SM2Signer signer
=
new
SM2Signer();
ParametersWithID parameters
=
new
ParametersWithID(privateKey, id);
signer.Init(
true
, parameters);
signer.BlockUpdate(msg,
0
, msg.Length);
return
DecodeDERSignature(signer.GenerateSignature());
}
public
static
bool
CMBSM2VerifyWithSM3(
byte
[] id,
byte
[] pubkey,
byte
[] msg,
byte
[] signature)
{
if
(pubkey ==
null
|| msg ==
null
|| signature ==
null
)
{
throw
new
Exception(
"
CMBSM2VerifyWithSM3 input error
"
);
}
ECPublicKeyParameters publicKey
=
EncodePublicKey(pubkey);
SM2Signer signer
=
new
SM2Signer();
ParametersWithID parameters
=
new
ParametersWithID(publicKey, id);
signer.Init(
false
, parameters);
signer.BlockUpdate(msg,
0
, msg.Length);
return
signer.VerifySignature(EncodeDERSignature(signature));
}
private
static
byte
[] CMBSM4Crypt(
byte
[] keyBytes,
byte
[] iv,
byte
[] input,
bool
forEncrypt)
{
KeyParameter key
= ParameterUtilities.CreateKeyParameter(
"
SM4
"
, keyBytes);
ParametersWithIV ivParameterSpec
=
new
ParametersWithIV(key, iv);
IBufferedCipher cipher
= CipherUtilities.GetCipher(
"
SM4/CBC/PKCS7Padding
"
);
cipher.Init(forEncrypt, ivParameterSpec);
return
cipher.DoFinal(input);
}
private
static
ECPrivateKeyParameters EncodePrivateKey(
byte
[] value)
{
BigInteger d
=
new
BigInteger(
1
, value);
X9ECParameters spec
= ECNamedCurveTable.GetByName(
"
sm2p256v1
"
);
ECDomainParameters ecParameters
=
new
ECDomainParameters(spec.Curve, spec.G, spec.N, spec.H, spec.GetSeed());
return
new
ECPrivateKeyParameters(d, ecParameters);
}
public
static
ECPublicKeyParameters EncodePublicKey(
byte
[] value)
{
byte
[] x =
new
byte
[
32
];
byte
[] y =
new
byte
[
32
];
Array.Copy(value,
1
, x,
0
,
32
);
Array.Copy(value,
33
, y,
0
,
32
);
BigInteger X
=
new
BigInteger(
1
, x);
BigInteger Y
=
new
BigInteger(
1
, y);
X9ECParameters spec
= ECNamedCurveTable.GetByName(
"
sm2p256v1
"
);
ECPoint Q
=
spec.Curve.CreatePoint(X, Y);
ECDomainParameters ecParameters
=
new
ECDomainParameters(spec.Curve, spec.G, spec.N, spec.H, spec.GetSeed());
return
new
ECPublicKeyParameters(Q, ecParameters);
}
private
static
byte
[] DecodeDERSignature(
byte
[] signature)
{
Asn1InputStream stream
=
new
Asn1InputStream(signature);
Asn1Sequence primitive
=
(Asn1Sequence)stream.ReadObject();
System.Collections.IEnumerator enumeration
=
primitive.GetEnumerator();
enumeration.MoveNext();
BigInteger R
=
((DerInteger)enumeration.Current).Value;
enumeration.MoveNext();
BigInteger S
=
((DerInteger)enumeration.Current).Value;
byte
[] bytes =
new
byte
[
64
];
byte
[] r =
Format(R.ToByteArray());
byte
[] s =
Format(S.ToByteArray());
Array.Copy(r,
0
, bytes,
0
,
32
);
Array.Copy(s,
0
, bytes,
32
,
32
);
return
bytes;
}
private
static
byte
[] EncodeDERSignature(
byte
[] signature)
{
byte
[] r =
new
byte
[
32
];
byte
[] s =
new
byte
[
32
];
Array.Copy(signature,
0
, r,
0
,
32
);
Array.Copy(signature,
32
, s,
0
,
32
);
Asn1EncodableVector vector
=
new
Asn1EncodableVector();
vector.Add(
new
DerInteger(
new
BigInteger(
1
, r)));
vector.Add(
new
DerInteger(
new
BigInteger(
1
, s)));
return
(
new
DerSequence(vector)).GetEncoded();
}
private
static
byte
[] Format(
byte
[] value)
{
if
(value.Length ==
32
)
{
return
value;
}
else
{
byte
[] bytes =
new
byte
[
32
];
if
(value.Length >
32
)
{
Array.Copy(value, value.Length
-
32
, bytes,
0
,
32
);
}
else
{
Array.Copy(value,
0
, bytes,
32
-
value.Length, value.Length);
}
return
bytes;
}
}
}
}
。
最后此篇关于使用招商银行云直连服务提现(.Net6)的文章就讲到这里了,如果你想了解更多关于使用招商银行云直连服务提现(.Net6)的内容请搜索CFSDN的文章或继续浏览相关文章，希望大家以后支持我的博客！ 。
28
4
0
创建使用.NET框架的asp.net页面时，访问该页面的客户端是否需要在其计算机上安装.NET框架？ IE。用户访问www.fakesite.com/default.aspx，如果他们没有安装框架，他
我阅读了很多不同的博客和 StackOverflow 问题，试图找到我的问题的答案，但最后我找不到任何东西，所以我想自己问这个问题。 我正在构建一个应用程序，其中有一个长时间运行的工作线程，它执行一些
已锁定。这个问题及其答案是locked因为这个问题是题外话，但却具有历史意义。目前不接受新的答案或互动。 我一直想知道为什么微软为这样一个伟大的平台选择了一个如此奇怪的、对搜索引擎不友好的名称。他们就
.Net Framework .Net .NET Standard的区别 1、.NET Framework 在未来.NET Framework或许成为过去时，目前还是有很多地方在使用的。这一套
如果有选择的话，您会走哪条路？ ASP.NET Webforms + ASP.NET AJAX 或 ASP.NET MVC + JavaScript Framework of your Choice
我有一个 Web 服务，它通过专用连接通过 https 使用第三方 Web 服务，我应用了 ServicePointManager.ServerCertificateValidationCallbac
为什么我应该选择ASP.NET Web Application (.NET Framework)而不是ASP.NET Core Web Application (.NET Framework)？ 我在
我在网络上没有找到任何关于包含 .NET Standard、.NET Core 和 .NET Framework 项目的 .NET 解决方案的公认命名约定。 就我而言，我们在 .NET 框架项目中有以
.NET Compact 是 .NET 的完美子集吗？ 假设我考虑了屏幕大小和其他限制并避免了 .NET Compact 不支持的类和方法，或者 .NET Compact 是一个不同且不兼容的 GUI
我已经阅读了所有我能找到的关于 connectionManagement 中的 maxconnection 设置的文章:即 http://support.microsoft.com/kb/821268
我现在正在使用asp.net mvc，想知道使用内置的Json或 Json.Net哪个是更好的选择，但我不确定一个人是否比另一个人有优势。 另外，如果我确实选择沿用Json.Net的路线，那么我应该选
在 Visual Studio 中，您至少可以创建三种不同类型的类库: 类库(.NET Framework) 类库(.NET 标准) 类库(.NET Core) 虽然第一个是我们多年来一直使用的，但我
.NET 和 ASP.NET 之间有什么区别？它们有什么关系？ 最佳答案 ASP.Net 基于 .Net 框架构建，提供有关 Web 开发的附加功能。 你可以去看看wikipedia article
在安装更高版本(3.0)之前，我需要安装.net框架1.1和2.0吗？或者单独安装 3.0 框架就足够了，并为在早期框架版本上编写的软件提供支持？谢谢 ，丽然 最佳答案 不，您不必安装以前的框架。 我
我正在开发一个项目，人们可以“更新”类别，例如更改类别的名称。我收到以下消息 This is called after clicking update 按钮 with the SQL statemen
.NET 类 System.Net.CookieContainer 线程安全吗？ --更新:交 key 答复-- 是否有任何方法可以确保异步请求期间修改的变量(即 HttpWebRequest.Coo
我正在使用 JScript.NET 在我编写的 C# WinForms 应用程序中编写脚本。它工作得很好，但我只是尝试在脚本中放置一些异常处理，但我无法弄清楚如何判断我的 C# 代码抛出了哪种类型的异
我需要你的帮助， 比如我有一个小数类型的变量，我想这样取整。 例如 3.0 = 3 3.1 = 4 3.2 = 4 3.3 = 4 3.4 = 4 3.5 = 4 3.6 = 4 3.7 = 4 3.
我使用过这样的代码:http://msdn.microsoft.com/en-us/library/dw70f090.aspx在 ASP.NET 中工作之前访问数据库(2-3 年前)。我没有意识到我正
自 ConfigurationManager .NET Standard 中不存在，检索正在执行的程序集的应用程序设置的最佳方法是什么，无论是 web.config或 appSettings.{env
我是一名优秀的程序员,十分优秀！