ASP开发验证码短信原理附DEMO示例

用祖国统一才是唯一

学习编程得第N天，发现一个超简单验证码短信接口对接DEMO示例
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<%
Response.Charset = "gb2312"
'asp UTF转GB2312 将UTF8编码文字转换为GB编码文字的asp代码
function UTF2GB(UTFStr)
for Dig=1 to len(UTFStr)
'如果UTF8编码文字以%开头则进行转换
if mid(UTFStr,Dig,1)="%" then
'UTF8编码文字大于8则转换为汉字
if len(UTFStr) >= Dig+8 then
GBStr=GBStr & ConvChinese(mid(UTFStr,Dig,9))
Dig=Dig+8
else
GBStr=GBStr & mid(UTFStr,Dig,1)
end if
else
GBStr=GBStr & mid(UTFStr,Dig,1)
end if
next
UTF2GB=GBStr
end function
'GB2312转UTF8的asp代码 将GB编码文字转换为UTF8编码文字
Function toUTF8(szInput)
Dim wch, uch, szRet
Dim x
Dim nAsc, nAsc2, nAsc3
'如果输入参数为空，则退出函数
If szInput = "" Then
toUTF8 = szInput
Exit Function
End If
'开始转换
For x = 1 To Len(szInput)
'利用mid函数分拆GB编码文字
wch = Mid(szInput, x, 1)
'利用ascW函数返回每一个GB编码文字的Unicode字符代码
'注：asc函数返回的是ANSI 字符代码，注意区别
nAsc = AscW(wch)
If nAsc < 0 Then nAsc = nAsc + 65536
If (nAsc And &HFF80) = 0 Then
szRet = szRet & wch
Else
If (nAsc And &HF000) = 0 Then
uch = "%" & Hex(((nAsc \ 2 ^ 6)) Or &HC0) & Hex(nAsc And &H3F Or &H80)
szRet = szRet & uch
Else
'GB编码文字的Unicode字符代码在0800 - FFFF之间采用三字节模版
uch = "%" & Hex((nAsc \ 2 ^ 12) Or &HE0) & "%" & _
Hex((nAsc \ 2 ^ 6) And &H3F Or &H80) & "%" & _
Hex(nAsc And &H3F Or &H80)
szRet = szRet & uch
End If
End If
Next
toUTF8 = szRet
End Function
'二进制转换为十六进制的asp代码
function c2to16(x)
i=1
for i=1 to len(x) step 4
c2to16=c2to16 & hex(c2to10(mid(x,i,4)))
next
end function
'二进制转换为十进制的asp代码
function c2to10(x)
c2to10=0
if x="0" then exit function
i=0
for i= 0 to len(x) -1
if mid(x,len(x)-i,1)="1" then c2to10=c2to10+2^(i)
next
end function
'十六进制转换为二进制的asp代码
function c16to2(x)
i=0
for i=1 to len(trim(x))
tempstr= c10to2(cint(int("&h" & mid(x,i,1))))
do while len(tempstr)<4
tempstr="0" & tempstr
loop
c16to2=c16to2 & tempstr
next
end function
function c10to2(x)
mysign=sgn(x)
x=abs(x)
DigS=1
do
if x<2^DigS then
exit do
else
DigS=DigS+1
end if
loop
tempnum=x
i=0
for i=DigS to 1 step-1
if tempnum>=2^(i-1) then
tempnum=tempnum-2^(i-1)
c10to2=c10to2 & "1"
else
c10to2=c10to2 & "0"
end if
next
if mysign=-1 then c10to2="-" & c10to2
end function
'UTF8编码文字将转换为汉字
function ConvChinese(x)
A=split(mid(x,2),"%")
i=0
j=0
for i=0 to ubound(A)
A(i)=c16to2(A(i))
next
for i=0 to ubound(A)-1
DigS=instr(A(i),"0")
Unicode=""
for j=1 to DigS-1
if j=1 then
A(i)=right(A(i),len(A(i))-DigS)
Unicode=Unicode & A(i)
else
i=i+1
A(i)=right(A(i),len(A(i))-2)
Unicode=Unicode & A(i)
end if
next
if len(c2to16(Unicode))=4 then
ConvChinese=ConvChinese & chrw(int("&H" & c2to16(Unicode)))
else
ConvChinese=ConvChinese & chr(int("&H" & c2to16(Unicode)))
end if
next
end function
'GB2312中文转unicode(&#)的asp代码 将GB编码文字转换为unicode编码文字
function chinese2unicode(Str)
dim i
dim Str_one
dim Str_unicode
if(isnull(Str)) then
exit function
end if
for i=1 to len(Str)
Str_one=Mid(Str,i,1)
Str_unicode=Str_unicode&chr(38)
Str_unicode=Str_unicode&chr(35)
Str_unicode=Str_unicode&chr(120)
Str_unicode=Str_unicode& Hex(ascw(Str_one))
Str_unicode=Str_unicode&chr(59)
next
chinese2unicode=Str_unicode
end function
'URL地址编码解码函数
Function URLDecode(enStr)
dim deStr
dim c,i,v
deStr=""
for i=1 to len(enStr)
c=Mid(enStr,i,1)
if c="%" then
v=eval("&h"+Mid(enStr,i+1,2))
if v<128 then
deStr=deStr&chr(v)
i=i+2
else
if isvalidhex(mid(enstr,i,3)) then
if isvalidhex(mid(enstr,i+3,3)) then
v=eval("&h"+Mid(enStr,i+1,2)+Mid(enStr,i+4,2))
deStr=deStr&chr(v)
i=i+5
else
v=eval("&h"+Mid(enStr,i+1,2)+cstr(hex(asc(Mid(enStr,i+3,1)))))
deStr=deStr&chr(v)
i=i+3
end if
else
destr=destr&c
end if
end if
else
if c="+" then
deStr=deStr&" "
else
deStr=deStr&c
end if
end if
next
URLDecode=deStr
end function
'判断是否为有效的十六进制代码
function isvalidhex(str)
dim c
isvalidhex=true
str=ucase(str)
if len(str)<>3 then isvalidhex=false:exit function
if left(str,1)<>"%" then isvalidhex=false:exit function
c=mid(str,2,1)
if not (((c>="0") and (c<="9")) or ((c>="A") and (c<="Z"))) then isvalidhex=false:exit function
c=mid(str,3,1)
if not (((c>="0") and (c<="9")) or ((c>="A") and (c<="Z"))) then isvalidhex=false:exit function
end function
'请求数据到短信接口
Function Post(url,data)
dim Https
set Https=server.createobject("MSXML2.XMLHTTP")
Https.open "POST",url,false
Https.setRequestHeader "Content-Type","application/x-www-form-urlencoded"
Https.send data
if Https.readystate=4 then
dim objstream
set objstream = Server.CreateObject("adodb.stream")
objstream.Type = 1
objstream.Mode =3
objstream.Open
objstream.Write Https.responseBody
objstream.Position = 0
objstream.Type = 2
objstream.Charset = "utf-8"
Post = objstream.ReadText
objstream.Close
set objstream = nothing
set https=nothing
end if
End Function
'函数返回随机整数。
Function gen_key(digits)
'Create and define array
dim char_array(50)
char_array(0) = "0"
char_array(1) = "1"
char_array(2) = "2"
char_array(3) = "3"
char_array(4) = "4"
char_array(5) = "5"
char_array(6) = "6"
char_array(7) = "7"
char_array(8) = "8"
char_array(9) = "9"
'Initiate randomize method for default seeding
randomize
'Loop through and create the output based on the the variable passed to
'the function for the length of the key.
do while len(output) < digits
num = char_array(Int((9 - 0 + 1) * Rnd + 0))
output = output + num
loop
'Set return
gen_key = output
End Function
Dim mobile
mobile = request("mobile") '手机号码
if mobile="" then
response.Write("手机号码不能为空")
else
if request.Form("send_code") = "" or Session("send_code")<>request.Form("send_code") then
'防用户恶意请求
response.Write("请求超时，请刷新页面后重试")
else
dim target,post_data,content,res,mobile_code
mobile_code = gen_key(4)
Session("mobile_code") = mobile_code
'Response.Cookies("mobile_code") = mobile_code
Session("mobile") = mobile
'Response.Cookies("mobile") = mobile
target = "http://106.ihuyi.com/webservice/sms.php?method=Submit"
content = toUTF8("您的验证码是："&mobile_code&"。请不要把验证码泄露给其他人。")
post_data = "account=用户名&password=密码&mobile="&mobile&"&content="&content
'查看用户名 登录用户中心->验证码通知短信>产品总览->API接口信息->APIID
'查看密码 登录用户中心->验证码通知短信>产品总览->API接口信息->APIKEY
'Response.write toUTF8("短信测试")
'response.Write(UTF2GB(Post(target,post_data)))
tempstr = UTF2GB(Post(target,post_data))
'if instr(tempstr,"提交成功")>0 Then
'response.Write("true")
'else
'response.Write("error")
'end if
Dim len1,len2
len1 = instr(1,tempstr,"</code>",1)-1
len2 = instr(1,tempstr,"<code>",1)
'response.Write(len2)
code=left(tempstr,len1)
code=right(code,(len1-len2-5))
'response.Write(code)
Dim len3,len4
len3 = instr(1,tempstr,"</msg>",1)-1
len4 = instr(1,tempstr,"<msg>",1)
'response.Write(len2)
msg=left(tempstr,len3)
msg=right(msg,(len3-len4-4))
response.Write(msg)
end if
end If
%>

'账户注册：请通过该地址开通账户 http://user.ihuyi.com/?JA9Ewr
'注意事项：
'（1）调试期间，请使用用系统默认的短信内容：您的验证码是：【变量】。请不要把验证码泄露给其他人。
'（2）请使用 APIID 及 APIKEY来调用接口，可在会员中心获取；