Dim Third As String
Dim Fourth As String
Dim Fifth As String
Dim Sixth As String
Dim Seventh As String
Dim Eighth As String
Dim Ninth As String
Dim Tenth As String
Third = "Date:" + Chr(32) + Format(Date, "Ddd") & ", " & _
Format(Date, "dd Mmm YYYY") & " " & Format(Time, "hh:mm:ss") _
& "" & " -0600" + vbCrLf
'发件人
Fourth = "From:" + Chr$(32) + Chr$(34) + "VB邮件发送" + Chr$(34) + "<" & StrMailFrom & ">" + vbCrLf
'收件人
Fifth = "To:" + Chr(32) + StrMailTo + vbCrLf
'主题
Sixth = "Subject:" + Chr(32) + EmailSubject + vbCrLf
'正文
Seventh = EmailBodyOfMessage + vbCrLf + "." + vbCrLf
Ninth = "X-Mailer:xiaoqiangziMail" + vbCrLf
Tenth = "Mime-Version: 1.0" & vbCrLf + "Content-Type: text/plain;" + " Charset = " + Chr(34) + "gb2312" + Chr(34) + vbCrLf
Eighth = Fourth + Third + Fifth + Sixth + Ninth + Tenth
Winsock1.SendData Eighth & vbCrLf & vbCrLf
DoEvents
Winsock1.SendData Seventh
IsMsgBody = True
这段代码里的third、fourth等该如何理解,还有如何解释这段代码的结构及执行过程,仅仅只是一个顺序执行的赋值过程吗?
Dim Fourth As String
Dim Fifth As String
Dim Sixth As String
Dim Seventh As String
Dim Eighth As String
Dim Ninth As String
Dim Tenth As String
Third = "Date:" + Chr(32) + Format(Date, "Ddd") & ", " & _
Format(Date, "dd Mmm YYYY") & " " & Format(Time, "hh:mm:ss") _
& "" & " -0600" + vbCrLf
'发件人
Fourth = "From:" + Chr$(32) + Chr$(34) + "VB邮件发送" + Chr$(34) + "<" & StrMailFrom & ">" + vbCrLf
'收件人
Fifth = "To:" + Chr(32) + StrMailTo + vbCrLf
'主题
Sixth = "Subject:" + Chr(32) + EmailSubject + vbCrLf
'正文
Seventh = EmailBodyOfMessage + vbCrLf + "." + vbCrLf
Ninth = "X-Mailer:xiaoqiangziMail" + vbCrLf
Tenth = "Mime-Version: 1.0" & vbCrLf + "Content-Type: text/plain;" + " Charset = " + Chr(34) + "gb2312" + Chr(34) + vbCrLf
Eighth = Fourth + Third + Fifth + Sixth + Ninth + Tenth
Winsock1.SendData Eighth & vbCrLf & vbCrLf
DoEvents
Winsock1.SendData Seventh
IsMsgBody = True
这段代码里的third、fourth等该如何理解,还有如何解释这段代码的结构及执行过程,仅仅只是一个顺序执行的赋值过程吗?
2 只是一个顺序执行的过程,但不仅仅赋值。两处 Winsock1.SendData 发送了数据。
Format(Date, "dd Mmm YYYY") & " " & Format(Time, "hh:mm:ss") _
& "" & " -0600" + vbCrLf
third应该是取的一个日期和时间,或者说取的是NOW()
fourth内的值是发件人的E-MAIL
但如果要我写这段代码的话我会把头和身体放在一起发送,在winsock编程中一定要考虑
安全和数据完整性,像上面这么写代码,有很大的问题,如果A端在接收B端数据时,网络
延迟或断网,那么身体部份将接收不到,那么那个头部接收到了又有什么用呢,在数据重
组时,可能还会出错,就因为身体和头部不能完整匹配.