原作者:Loster '函数名:chk_Email() '返回值:布尔值(True为通过,False为未通过) '参数:email(需要判断的email,类型:字符串) Type_1(是否需要判断@之后的domain,类型:布尔值) 'Type_2(是否只能是特定域的E-Mail注册,类型:布尔值) Type_3(一个E-Mail是否只能注册一次,类型:布尔值) Const C_maildomain=".com,.com.cn,.net,.net.cn,.org,.org.cn,.gov,.gov.cn,.edu,.edu.cn,.cn,.cc,.biz,.info" '电子邮件可接受的domain Const C_Lockdomain="bit.edu.cn,loster.org" '特定的域 Function chk_Email(email,Type_1,Type_2,Type_3) Dim i,k Dim At Dim Email_1,Temp If email="" Then chk_Email=False Exit Function End If Email_1=Cstr(trim(email)) If Len(Email_1)<5 Then chk_Email=False Exit Function End If At=False For i=1 To Len(Email_1) Temp=Mid(Email_1,i,1) If Temp="@" Then at=True Exit For End If Next If At=False Then Chk_Email=False Exit Function End If k=0 For i=1 To Len(Email_1) Temp=Mid(Email_1,i,1) If Temp="." then k=k+1 End If Next If k=0 Or k>2 Then Chk_Email=False Exit Function End If If Type_1=True Then For i=1 To Len(Email_1) Temp=Mid(Email_1,i,1) If Temp="@" Then k=i Exit For End If Next For i=k To Len(Email_1) Temp=Mid(Email_1,i,1) If Temp="." Then k=i Exit For End If Next Temp="" For i=k To Len(Email_1) Temp=Temp+Mid(Email_1,i,1) Next Temp=Cstr(Trim(Temp)) At=False For i=0 To R_Reader(C_Maildomain,",") If Temp=Reader(i) Then At=True Exit For End If Next Erase Reader If At=False Then Chk_Email=False |