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标题:VB 判断图片文件的类型格式
正文:
VB 通过二进制方式来判断图片的格式，下面只对 JPG 、GIF、PNG、BMP、ICO 几个常用的图片格式做了判断。边框 小边框 Public Function GetImageType(ByteArray() As Byte) As String If ByteArray(0) = &HFF And ByteArray(1) = &HD8 Then GetImageType = "JPG" ElseIf ByteArray(0) = &H47 And ByteArray(1) = &H49 Then GetImageType = "GIF" ElseIf ByteArray(0) = &H42 And ByteArray(1) = &H4D Then GetImageType = "BMP" ElseIf ByteArray(0) = &H89 And ByteArray(1) = &H50 Then GetImageType = "PNG" ElseIf ByteArray(0) = &H0 And ByteArray(1) = &H0 And ByteArray(2) = &H1 And ByteArray(3) = &H0 And ByteArray(4) = &H1 Then GetImageType = "ICO"&nb
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