Attribute VB_Name = "Module1"
Option Explicit

Private Declare Function InternetOpen Lib "wininet.dll" _
         Alias "InternetOpenA" _
            (ByVal lpszCallerName As String, _
             ByVal dwAccessType As Long, _
             ByVal lpszProxyName As String, _
             ByVal lpszProxyBypass As String, _
             ByVal dwFlags As Long) As Long

      Private Declare Function InternetConnect Lib "wininet.dll" _
            Alias "InternetConnectA" _
            (ByVal hInternetSession As Long, _
             ByVal lpszServerName As String, _
             ByVal nProxyPort As Integer, _
             ByVal lpszUsername As String, _
             ByVal lpszPassword As String, _
             ByVal dwService As Long, _
             ByVal dwFlags As Long, _
             ByVal dwContext As Long) As Long

   Private Declare Function InternetReadFile Lib "wininet.dll" _
            (ByVal hFile As Long, _
             ByVal sBuffer As String, _
             ByVal lNumBytesToRead As Long, _
             lNumberOfBytesRead As Long) As Integer

   Private Declare Function HttpOpenRequest Lib "wininet.dll" _
            Alias "HttpOpenRequestA" _
            (ByVal hInternetSession As Long, _
             ByVal lpszVerb As String, _
             ByVal lpszObjectName As String, _
             ByVal lpszVersion As String, _
             ByVal lpszReferer As String, _
             ByVal lpszAcceptTypes As Long, _
             ByVal dwFlags As Long, _
             ByVal dwContext As Long) As Long

   Private Declare Function HttpSendRequest Lib "wininet.dll" _
            Alias "HttpSendRequestA" _
            (ByVal hHttpRequest As Long, _
             ByVal sHeaders As String, _
             ByVal lHeadersLength As Long, _
             ByVal sOptional As String, _
             ByVal lOptionalLength As Long) As Boolean

   Private Declare Function InternetCloseHandle Lib "wininet.dll" _
            (ByVal hInternetHandle As Long) As Boolean

Public username As String
Public password As String



' 参数说明
' Mos 发送号码列表 多个号码使用 分号分隔
' Msg 信息内容
Public Function SendSms(username As String, password As String, Mos As String, Msg As String) As String
   Dim Url As String
   Url = "/api/Send.aspx?&Username=" & username & "&Password=" & password & "&Mobiles=" & Mos & "&content=" & Msg
   Dim Rt As String
   Rt = PostInfo$(Url, "")
   SendSms = URLDecode(Rt)
End Function

'
Private Function PostInfo$(script$, postdat$)
  Dim hInternetOpen As Long
  Dim hInternetConnect As Long
  Dim hHttpOpenRequest As Long
  Dim bRet As Boolean
  
  hInternetOpen = 0
  hInternetConnect = 0
  hHttpOpenRequest = 0
  
  'Use registry access settings.
  Const INTERNET_OPEN_TYPE_PRECONFIG = 0
  hInternetOpen = InternetOpen("http generic", _
                  INTERNET_OPEN_TYPE_PRECONFIG, _
                  vbNullString, _
                  vbNullString, _
                  0)
  
  If hInternetOpen <> 0 Then
     'Type of service to access.
     Const INTERNET_SERVICE_HTTP = 3
     Const INTERNET_DEFAULT_HTTP_PORT = 80
     'Change the server to your server name
     hInternetConnect = InternetConnect(hInternetOpen, _
                        "www.sms1086.com", _
                        INTERNET_DEFAULT_HTTP_PORT, _
                        vbNullString, _
                        "HTTP/1.0", _
                        INTERNET_SERVICE_HTTP, _
                        0, _
                        0)
  
     If hInternetConnect <> 0 Then
      'Brings the data across the wire even if it locally cached.
       Const INTERNET_FLAG_RELOAD = &H80000000
       hHttpOpenRequest = HttpOpenRequest(hInternetConnect, _
                           "GET", _
                           script$, _
                           "HTTP/1.0", _
                           vbNullString, _
                           0, _
                           INTERNET_FLAG_RELOAD, _
                           0)
  
        If hHttpOpenRequest <> 0 Then
  
           Dim lpszPostData As String
           Dim lPostDataLen As Long
  
           lpszPostData = postdat$
           lPostDataLen = Len(lpszPostData)
           bRet = HttpSendRequest(hHttpOpenRequest, _
                  vbNullString, _
                  0, _
                  lpszPostData, _
                  lPostDataLen)
  
           Dim bDoLoop             As Boolean
           Dim sReadBuffer         As String * 2048
           Dim lNumberOfBytesRead  As Long
           Dim sBuffer             As String
           bDoLoop = True
           
           While bDoLoop
             sReadBuffer = vbNullString
             bDoLoop = InternetReadFile(hHttpOpenRequest, _
               sReadBuffer, Len(sReadBuffer), lNumberOfBytesRead)
             sBuffer = sBuffer & _
                 Left(sReadBuffer, lNumberOfBytesRead)
             If Not CBool(lNumberOfBytesRead) Then bDoLoop = False
           Wend
           
           PostInfo = sBuffer
           bRet = InternetCloseHandle(hHttpOpenRequest)
        End If
        bRet = InternetCloseHandle(hInternetConnect)
     End If
     bRet = InternetCloseHandle(hInternetOpen)
  End If
End Function
Public Function URLEncode(ByRef strURL As String) As String
Dim I As Long
Dim tempStr As String
For I = 1 To Len(strURL)
If Asc(Mid(strURL, I, 1)) < 0 Then
tempStr = "%" & Right(CStr(Hex(Asc(Mid(strURL, I, 1)))), 2)
tempStr = "%" & Left(CStr(Hex(Asc(Mid(strURL, I, 1)))), Len(CStr(Hex(Asc(Mid(strURL, I, 1))))) - 2) & tempStr
URLEncode = URLEncode & tempStr
ElseIf (Asc(Mid(strURL, I, 1)) >= 65 And Asc(Mid(strURL, I, 1)) <= 90) Or (Asc(Mid(strURL, I, 1)) >= 97 And Asc(Mid(strURL, I, 1)) <= 122) Then
URLEncode = URLEncode & Mid(strURL, I, 1)
Else
URLEncode = URLEncode & "%" & Hex(Asc(Mid(strURL, I, 1)))
End If
Next
End Function

Public Function URLDecode(ByRef strURL As String) As String
Dim I As Long

If InStr(strURL, "%") = 0 Then URLDecode = strURL: Exit Function

For I = 1 To Len(strURL)
If Mid(strURL, I, 1) = "%" Then
If Val("&H" & Mid(strURL, I + 1, 2)) > 127 Then
URLDecode = URLDecode & Chr(Val("&H" & Mid(strURL, I + 1, 2) & Mid(strURL, I + 4, 2)))
I = I + 5
Else
URLDecode = URLDecode & Chr(Val("&H" & Mid(strURL, I + 1, 2)))
I = I + 2
End If
Else
URLDecode = URLDecode & Mid(strURL, I, 1)
End If
Next
End Function