For i = 9 To 0 Step -1 ' 历经所有行 For ii = 0 To 3 ' 历经所有字 For iii = 1 To 10 ' 历经所有像素 ' 逐行、逐字、逐像素地输出图像数据 If Rnd * 99 + 1 cOdds Then ' 随机生成杂点 Response.BinaryWrite vColorData(0) Else Response.BinaryWrite vColorData(Mid(vNumberData(vCode(ii)), i * 10 + iii, 1)) End If Next Next Next