[ZT]我和电脑亲密接触的心路历程 | 乱讲

伍胥之 离线

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80楼发表于: 2015-09-05

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引用第20楼newport93于06-14-2010 13:47发表的 : *z`_U]tP
OS6 l*S('
老五，I 服了U。 >v@R]9
7=t4;8|j;
哪一天等俺退休了，也写一个The Non-Progamming career of an ex-programmer。哈哈哈。。。。。 rl9YB %P

新港妹妹，虽然你还没有退休，但是孩子读了大学你应该有些时间了嘛！就开帖写吧！我们很想看啊! 也特别想看看你的non-programming career中的恋爱史啊!

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第3楼阿散于03-19-2010 22:49发表的 : Z:W6@j-~
Is that what you wanted to express yourself to us with the whole blank message but the very big title? *{8Kb>D

阿散这个家伙，已经被我全局禁言了，但是在他不犯错的时候，也还是个很好玩的同学。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第6楼沧桑于06-13-2010 14:39发表的 : DVt;I$
老伍在写交代材料啊，而且写在一个ZT的贴下，哈哈。 SuU,SE'TX

这不是怕您见笑嘛！现在露馅了，只得继续招供了。

可以从宽不？

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第10楼卡拉于06-13-2010 21:49发表的 : <QFT>#@T
老伍，对不住，我把你原来的英文标题改了，太不吸引人眼球了，有些人还当是英文的都不会去点击。我通篇读了一下，改成了现在的标题。如果你不喜欢，可以改回来。 iTF`sjL

其实标题没有什么，卡总既然改了就不必再改回了。

主要是当初写的时候真是顶着锅盖写的。

阿散说得对。我就是把一堆鸡毛蒜皮的小事，用了一个big title.

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第16楼阿平于06-13-2010 22:25发表的 : ,F }\njL
哦, 打倒忽悠大家的家伙. I!sh+e

阿平姐，这可不是忽悠，我可是认真交待经历呢！

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第17楼阿散于06-13-2010 22:29发表的 : J>D+/[mFt
每个人的故事对其他人都是故事, 1M@OBfB8
自己的故事也是其中之一. fv@mA--
跳出来看, M9[52D!{
不过是众人中的一个人的故事. zD}@QoB
YA+jLy6ZL
所以,接着听故事. rgq~lZ.U4K
8w4-Ud*$i
女人们有兴趣的就等老伍开个新帖或者跟贴, \vg(@)$q
听他痛说恋爱革命历史.... @QOlo-u
@nWhUH%
杂家接着听他自学程序员历史, L As#g||M
高级程序员考了吗? Y7*8A,

这个恋爱革命史还是等你痛改前非换个新ID来讲吧！

我什么程度员也没有考过，连大学生的计算机应用等级证明都没有。

我唯一考过的计算机科目是职称评审时要求有证书，所以我用了半小时考了word, powerpoint,和internet基础。都是小儿科的东东。如果没有用VBA写个Word的宏，我都觉得对不起微软了。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第21楼阿散于06-14-2010 22:33发表的 : s+m3&(X
引用第19楼伍胥之于06-14-2010 12:33发表的 : D;1?IeS
ztS:1\
SI)QX\is8
我平生唯一参加的计算机考试就是职称考试，任选4个模块。 -G'U\EXT
w ak:"B[
我连一级也没有考过。 _BFDsQ
. g49G7sk

引用
qg2fTe
矬子里拔将军... Yamu"#
你们那里的俗语是吧? {{:QtkN
~`Y!_'(x
我们这里说"矮子里拔长脚"..应该是同一个意思... k2 _i;v
s78MXS?py
有趣....各地有表达意思一样却方式不同的俗语.... }yzCq+
[,bra8f[C
^5'pJ/BV
你的文章写的有脸皮,没屁眼的, !l(D0 C
让看客大为不满... @GVONluyU`
uqotVil,
你等着,,估计你以后接到的午夜凶铃就多了... :?!b\LJ2^

我到现在也没有接到你的午夜凶铃呢！

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第25楼猪小秘于01-20-2011 20:51发表的 : F$sDmk#
伍SIR，再次抱拳佩服 Hk8lHja+\

小秘倒是好久不见了呢！宝贝几岁了？很健康活泼吧？

杺栫杣杊椌柮栬，䒴蓉艿芖。

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Re:回 38楼(伍胥之) 的帖子

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引用第39楼suehan234于01-22-2011 08:00发表的回 38楼(伍胥之) 的帖子 : ;?G..,
佩服，玩也玩得这么专业！ [.Rdq]w6

只是票友而已，算不上专业的。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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引用第46楼清水于03-03-2011 14:50发表的 : 5m yQBKE
r3NdE~OAi
介个真的看不懂。 2b/Cs#-
你说你老啦，喜欢怀旧了，才想起来填坑。 {%oxzdPc
提醒我也想想，是不是也老啦，是不是也有坑没填呢。 D0}r4eA

你肯定有许多坑没有填，但是我挖的坑更多，但同是我也在你的某个坑里等你填埋呢！

杺栫杣杊椌柮栬，䒴蓉艿芖。

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//从指定扇区号dwSector开始，写dwLength长度的数据
BOOL WriteDisk( HANDLE hpartition, DWORD dwSector, DWORD dwLength, char* lpBuffer){
DWORD dwCB;
LARGE_INTEGER  offset;
offset.QuadPart  =  UInt32x32To64(dwSector ,  512);
SetFilePointer(hpartition,  offset.LowPart,  &offset.HighPart,  FILE_BEGIN);
if(!WriteFile(hpartition, lpBuffer, dwLength * 512, &dwCB, NULL)){
DWORD error = GetLastError();
MessageBox(NULL,"写入文件失败!",NULL,IDOK);
return FALSE;
}
return TRUE;
}

杺栫杣杊椌柮栬，䒴蓉艿芖。

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91楼发表于: 2015-09-06

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'VB 6.0 版
'这不是我写的，它更强悍了。因为可以直接读写物理扇区(CHS)，而不是逻辑扇区。

Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As Long, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function ReadFile Lib "kernel32" (ByVal hFile As Long, lpBuffer As Any, ByVal nNumberOfBytesToRead As Long, lpNumberOfBytesRead As Long, ByVal lpOverlapped As Long) As Long '//declare has changed
Private Declare Function WriteFile Lib "kernel32" (ByVal hFile As Long, lpBuffer As Any, ByVal nNumberOfBytesToWrite As Long, lpNumberOfBytesWritten As Long, ByVal lpOverlapped As Long) As Long '//declare has changed
Private Declare Function SetFilePointer Lib "kernel32" (ByVal hFile As Long, ByVal lDistanceToMove As Long, lpDistanceToMoveHigh As Long, ByVal dwMoveMethod As Long) As Long
'如果用绝对扇区写，那么文件的建立打开都不能用VB的 open 语句了。

Private Const GENERIC_READ = &H80000000
Private Const GENERIC_WRITE = &H40000000

Private Const FILE_SHARE_READ = &H1
Private Const FILE_SHARE_WRITE = &H2
Private Const OPEN_EXISTING = 3

Private Const INVALID_HANDLE_VALUE = -1

'//file seek
Private Const FILE_BEGIN = 0
Private Const FILE_CURRENT = 1
Private Const FILE_END = 2

Private Const ERROR_SUCCESS = 0&

'//device io control
Private Declare Function DeviceIoControl Lib "kernel32" (ByVal hDevice As Long, ByVal dwIoControlCode As Long, lpInBuffer As Any, ByVal nInBufferSize As Long, lpOutBuffer As Any, ByVal nOutBufferSize As Long, lpBytesReturned As Long, ByVal lpOverlapped As Long) As Long

Private Const IOCTL_DISK_GET_DRIVE_GEOMETRY As Long = &H70000   '458752
Private Const IOCTL_STORAGE_GET_MEDIA_TYPES_EX  As Long = &H2D0C04
Private Const IOCTL_DISK_FORMAT_TRACKS As Long = &H7C018
Private Const FSCTL_LOCK_VOLUME As Long = &H90018
Private Const FSCTL_UNLOCK_VOLUME As Long = &H9001C
Private Const FSCTL_DISMOUNT_VOLUME As Long = &H90020
Private Const FSCTL_GET_VOLUME_BITMAP = &H9006F

'//type
Private Type LARGE_INTEGER
    lowpart As Long
    highpart As Long
End Type

Private Enum MEDIA_TYPE
    Unknown
    F5_1Pt2_512
    F3_1Pt44_512
    F3_2Pt88_512
    F3_20Pt8_512
    F3_720_512
    F5_360_512
    F5_320_512
    F5_320_1024
    F5_180_512
    F5_160_512
    RemovableMedia
    FixedMedia
End Enum

Private Type DISK_GEOMETRY
    Cylinders           As LARGE_INTEGER
    MediaType           As MEDIA_TYPE
    TracksPerCylinder   As Long
    SectorsPerTrack     As Long
    BytesPerSector      As Long
End Type

'//private vars
Private hDisk           As Long             'disk handle
Private lpGeometry      As DISK_GEOMETRY    'disk info
Private lBufferSize     As Long             'the buffer size of read/write

Public Function OpenDisk(ByVal FileName As String) As Boolean
'// 打开磁盘
    hDisk = CreateFile(FileName, _
                        GENERIC_READ Or GENERIC_WRITE, _
                        FILE_SHARE_READ Or FILE_SHARE_WRITE, _
                        ByVal 0&, _
                        OPEN_EXISTING, _
                        0, _
                        0)
    OpenDisk = Not (hDisk = INVALID_HANDLE_VALUE)
End Function

Public Function CloseDisk() As Boolean
'//关闭磁盘
    CloseDisk = CloseHandle(hDisk)
End Function

Public Function GetDiskGeometry() As Boolean
'//获取磁盘参数
    Dim dwOutBytes      As Long
    Dim bResult         As Boolean

    bResult = DeviceIoControl(hDisk, _
                                IOCTL_DISK_GET_DRIVE_GEOMETRY, _
                                ByVal 0&, 0, _
                                lpGeometry, Len(lpGeometry), _
                                dwOutBytes, _
                                ByVal 0&)

    If bResult Then lBufferSize = lpGeometry.BytesPerSector * lpGeometry.SectorsPerTrack
    GetDiskGeometry = bResult
End Function

Public Sub GetDiskInfo(MediaType As Long, _
                        Cylinders As Long, _
                        TracksPerCylinder As Long, _
                        SectorsPerTrack As Long, _
                        BytesPerSector As Long)
'//返回磁盘的参数
    MediaType = lpGeometry.MediaType
    Cylinders = lpGeometry.Cylinders.lowpart
    TracksPerCylinder = lpGeometry.TracksPerCylinder
    SectorsPerTrack = lpGeometry.SectorsPerTrack
    BytesPerSector = lpGeometry.BytesPerSector

End Sub

Public Property Get BufferSize() As Long
'//返回每次读/写的缓冲大小
    BufferSize = lBufferSize
End Property

Public Function LockVolume() As Boolean
'// 将卷锁定
    Dim dwOutBytes  As Long
    Dim bResult     As Boolean

    bResult = DeviceIoControl(hDisk, _
                                FSCTL_LOCK_VOLUME, _
                                ByVal 0&, 0, _
                                ByVal 0&, 0, _
                                dwOutBytes, _
                                ByVal 0&)
    LockVolume = bResult
End Function

Public Function UnlockVolume() As Boolean
'// 将卷解锁
    Dim dwOutBytes As Long
    Dim bResult As Boolean

    bResult = DeviceIoControl(hDisk, _
                                FSCTL_UNLOCK_VOLUME, _
                                ByVal 0&, 0, _
                                ByVal 0&, 0, _
                                dwOutBytes, _
                                ByVal 0&)
    UnlockVolume = bResult
End Function

Public Function DismountVolume() As Boolean
'// 将卷卸下,使系统重新辨识磁盘，等效于重新插盘
    Dim dwOutBytes As Long
    Dim bResult As Boolean

    bResult = DeviceIoControl(hDisk, _
                                FSCTL_DISMOUNT_VOLUME, _
                                ByVal 0&, 0, _
                                ByVal 0&, 0, _
                                dwOutBytes, _
                                ByVal 0&)
    DismountVolume = bResult
End Function

Public Function ReadDisk(ByVal Cylinders As Long, _
                    ByVal Tracks As Long, _
                    db() As Byte) As Boolean
'//按柱面和磁道来读取磁盘数据
    Dim iPos    As Long
    Dim lRead   As Long

    iPos = Cylinders * Tracks * lBufferSize

    If SeekAbsolute(0, iPos) Then
        ReadDisk = ReadBytes(lBufferSize, db(), lRead)
    End If
End Function

Public Function WriteDisk(ByVal Cylinders As Long, _
                     ByVal Tracks As Long, _
                     db() As Byte) As Boolean
'//按柱面和磁道来写磁盘数据
    Dim iPos    As Long
    Dim lRead   As Long

    iPos = Cylinders * Tracks * lBufferSize

    If SeekAbsolute(0, iPos) Then
        WriteDisk = WriteBytes(lBufferSize, db())
    End If
End Function

'/////////////////////////////////////////////////////////////////////////////////////
'//file system

Private Function SeekAbsolute(ByVal HighPos As Long, ByVal LowPos As Long) As Boolean
'//seek file
    '//Notice: when you set LowPos=5, the read/write will begin with the 6th(LowPos+1) byte
    LowPos = SetFilePointer(hDisk, LowPos, HighPos, FILE_BEGIN)
    If LowPos = -1 Then
        SeekAbsolute = (Err.LastDllError = ERROR_SUCCESS)
    Else
        SeekAbsolute = True
    End If

End Function

Private Function ReadBytes(ByVal ByteCount As Long, ByRef DataBytes() As Byte, ByRef ActuallyReadByte As Long) As Boolean
'//read data to array
    Dim RetVal    As Long
    RetVal = ReadFile(hDisk, DataBytes(0), ByteCount, ActuallyReadByte, 0)
    'ActuallyReadByte =>> if the bytesRead=0 mean EOF
    ReadBytes = Not (RetVal = 0)

End Function

Private Function WriteBytes(ByVal ByteCount As Long, ByRef DataBytes() As Byte) As Boolean
'//write data from array
    Dim RetVal As Long
    Dim BytesToWrite As Long
    Dim BytesWritten As Long

    RetVal = WriteFile(hDisk, DataBytes(0), ByteCount, BytesWritten, 0)

    WriteBytes = Not (RetVal = 0)
End Function

杺栫杣杊椌柮栬，䒴蓉艿芖。

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92楼发表于: 2015-09-06

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这才是我当年写出的一个比较烂的程序

Main2.bas

Attribute VB_Name = "SubMain"
Option Explicit

'采集文件与临时文件
Public Const TmpFile As String = "d:\30-0600.dat"
'已有数据：30-0600.dat /30日早6点进车与6：30出车头

Public fStatus As Long, hFile As Long, bytesRW As Long, lptrFile As Long
Public hBCFile As Long  '记录采集参数的文件
Public Const TmpBMP As String = "d:\1.bmp"
Public hTmpFile As Long

'采集窗口参数常量
Public Const FrameH As Long = 280&
Public Const FrameW As Long = 768&
Public Const pFrameSize As Long = FrameW * FrameH

'标志区范围，用于识别车辆
Public Const PilarC As Integer = 260   '识别标志立柱中线坐标X
Public Const mkW As Integer = 28  '识别标志立柱宽度
Public Const mkH As Integer = 80 ''识别标志立柱高度(上白中黑下白)
Public Const mkY As Integer = 4 ''识别标志立柱Y坐标(40-79白, 80-119黑,120-159白)
Public Const mkX As Integer = PilarC - mkW / 2 '识别标志立柱X坐标
'车缝检测位置常数
Public Const sSize As Long = 32&
Public Const sPos As Long = 310&
Public Const sPosL As Long = 200&
Public Const sPosR As Long = 500&
'车缝检测框位置
Public Slice(1 To sSize, 1 To FrameH) As Byte
Public SliceL(1 To sSize, 1 To FrameH) As Byte
Public SliceR(1 To sSize, 1 To FrameH) As Byte
Public avSL As Integer, avSLR As Integer, avSLL As Integer

Public MKpilar(1 To mkW * mkH) As Byte   '一维数组用于亮度对比度分析，比使用二维数组更便于VB编译优化
'该数组用于亮度对比度调节、车辆通过识别与车皮间隔识别
Public BsLine(1 To 4 * FrameW) As Byte, bsAV As Integer  '图像的前4行。用于确定标志区的亮度与对比度范围
Public PilarW As Long, PilarH As Long, PilarX As Long, PilarY As Long
Public LeftBK(1 To 1024, 0 To 1) As Byte, RightBK(1 To 1024, 0 To 1) As Byte
'前后帧左右上角128列*8行像素块，根据平均值差绝对值判断进车方向

'一次连续采集的帧数
Public tFrames As Long

'在采集卡申请的缓存中，是按帧为单位的，每一帧包含奇偶场两场的数据
'而该卡的硬件设置是按场采集，只需要读第一场的数据即可。
'所以要设置的缓存帧的大小是frameW*frameH*2，而一场的数据量为pFrameSize

Public pFRAME(1 To FrameW, 1 To FrameH) As Byte
Public pBuffer(1 To FrameW * FrameH * 2) As Byte
Public pWorkSpace(1 To FrameW * FrameH) As Long
Public Const pBufferSize As Long = FrameW * FrameH * 2
Public pGray(0 To 255) As Long '整幅图像的灰度直方图

Public hBoard As Long   '采集卡标识
Public mBufferAddr As Long  '缓存地址
Public BufferSize As Long  '缓存大小(字节)
Public iCurrentCard As Long
Public CapStatus As Long
Public iFrames As Long
Public currentBr As Byte, currentContr As Byte

Public hMEM As Long, mStatus As Long
Public Const hMemSize As Long = pFrameSize * 4
Public hMemWork As Long
Public Const hMemWorkSize As Long = pFrameSize * 5

'串口接收轨道衡数据
Public WeightFromCom As String
Public bReceiveComplete As Boolean

Public Type GrayBMPHeader
  Tag As Integer
  FileLength As Long    '文件大小
  Reserve1 As Long
  DataOffset As Long    '图像数据偏移量
  BMPHeaderSize As Long  '文件头长
                        'length of the bitmap info header used to describe the bitmap colors, compression,…
                        'the following sizes are possible:
                        '28h - windows 3.1x, 95, nt, …
                        '0ch - os/2 1.x
                        'f0h - os/2 2.x

  ImageWidth As Long           '图像宽（像素数）
  ImageHeight As Long          '图像高(像素数)
  PlaneNumber As Integer  '图像层数
  bpp As Integer    'bits per pixels    '1 - monochrome bitmap
                                        '4 - 16 color bitmap
                                        '8 - 256 color bitmap
                                        '16 - 16bit (high color) bitmap
                                        '24 - 24bit (true color) bitmap
                                        '32 - 32bit (true color) bitmap
  Compression As Long '压缩方法     '0 - none (also identified by bi_rgb)
                                    '1 - rle 8-bit / pixel (also identified by bi_rle4)
                                    '2 - rle 4-bit / pixel (also identified by bi_rle8)
                                    '3 - bitfields (also identified by bi_bitfields)
  IMAGESIZE As Long  '图像数据字节数
  hResolution  As Long  '水平分辩率  像素数/米
  vResolution  As Long  '垂直分辩率
  ColorsinBMP As Long   '图中所用的颜色。对256色图像总为0x100
  ImportantColors As Long
  Pallate(0 To 255) As Long  '图像每个值对应的实际显示颜色,项数对应PallateNumber所指调色板项数
End Type

Public BMPHeader As GrayBMPHeader, BMP1 As GrayBMPHeader
Public sRECT As RECT

Public conn As ADODB.Connection
Public rsTrain As ADODB.Recordset
Public rsOperater As ADODB.Recordset
Public rsGoods As ADODB.Recordset
Public rsGood2 As ADODB.Recordset
Public rsSender As ADODB.Recordset
Public rsReceover As ADODB.Recordset
Public rsTrainTMP As ADODB.Recordset

'打开采集卡
'设置参数
'设置为实时单帧采集到缓存方式
'由另一线程查询采集状态，如果完成采集，传送至用户数组分析或保存

Sub Main()
  Dim i As Integer, status As Long

   InitBMPinfo
   '生成BMP文件头---该文件头是固定将pFRAME数组写成BMP文件
    BMPHeader.Tag = &H4D42
    BMPHeader.ImageWidth = FrameW
    BMPHeader.ImageHeight = FrameH
    BMPHeader.BMPHeaderSize = &H28
    BMPHeader.PlaneNumber = 1
    BMPHeader.bpp = 8
    BMPHeader.Compression = 0
    BMPHeader.hResolution = &H1274   'Windows pBrush.exe的默认值,PhotoED.exe默值为0
    BMPHeader.vResolution = &H1274
    BMPHeader.ColorsinBMP = 256
    BMPHeader.ImportantColors = BMPHeader.ColorsinBMP
    BMPHeader.DataOffset = Len(BMPHeader)
    For i = 0 To 255
      BMPHeader.Pallate(i) = RGB(i, i, i)
    Next i
    BMPHeader.IMAGESIZE = FrameH * FrameW
    BMPHeader.FileLength = Len(BMPHeader) + BMPHeader.IMAGESIZE

    MoveMemory BMP1, BMPHeader, Len(BMPHeader)

    BMP1.ImageWidth = FrameW
    BMP1.ImageHeight = FrameH * 2
    BMP1.IMAGESIZE = BMP1.ImageWidth * BMP1.ImageHeight
    BMP1.FileLength = Len(BMP1) + BMP1.IMAGESIZE

  '确定标志位置,为pilarX, pilarY确定初始值
   PilarW = mkW
   PilarH = mkH  '此两项为固定值
   PilarX = GetSetting(App.EXEName, "Mark", "MarkX", mkX)
   PilarY = GetSetting(App.EXEName, "Mark", "MarkY", mkY)  '此两项需要在程序初始化时检查并进行调整


  '连续采集记录文件
  ' 建立一个缓冲区为页对齐方式的文件
  If Dir(TmpFile) <> "" Then
    hFile = CreateFile(TmpFile, GENERIC_READ Or GENERIC_WRITE, _
     0&, 0&, OPEN_ALWAYS, FILE_FLAG_NO_BUFFERING, 0&)
    ' 在95/98中，如果打开文件时没有声明overlapped方式，在读定文件时就不能使用overlapped参数项
    ' 而必须用setfilepointer函数调节与操作系统保留的文件指针。
  Else
    hFile = CreateFile(TmpFile, GENERIC_READ Or GENERIC_WRITE, _
     0&, 0&, CREATE_ALWAYS, FILE_FLAG_NO_BUFFERING, 0&)
  End If
  If hFile = 0 Then
    MsgBox TmpFile & ": File Open Error", vbOKOnly
    Exit Sub
  End If
  '采集参数记录文件
hBCFile = FreeFile()
Open TmpFile + ".BC" For Binary Access Read Write As #hBCFile

hMEM = VirtualAlloc(ByVal 0&, hMemSize, MEM_COMMIT, PAGE_READWRITE)  ’分配系统内容
If hMEM = 0 Then
    fStatus = GetLastError
    MsgBox "内存分配错误: 错误代码 - " & Str(fStatus) & vbCrLf _
     & "请向技术人员报告该错误代码。", vbOKOnly
    CloseHandle hFile
    Exit Sub
End If

hMemWork = VirtualAlloc(ByVal 0&, hMemWorkSize, MEM_COMMIT, PAGE_READWRITE)
If hMemWork = 0 Then
    fStatus = GetLastError
    MsgBox "内存分配错误: 错误代码 - " & Str(fStatus) & vbCrLf _
     & "请向技术人员报告该错误代码。", vbOKOnly
     '释放已成功分配的内存
    mStatus = VirtualFree(ByVal hMEM, hMemSize, MEM_DECOMMIT)
    mStatus = VirtualFree(ByVal hMEM, 0&, MEM_RELEASE)

    CloseHandle hFile
    Exit Sub
End If

' Test writing
'WriteFile hFile, ByVal hMEM, ByVal 4096&, bytesRW, ByVal 0&

   '初始化采集卡参数
   iCurrentCard = -1
   hBoard = okOpenBoard(iCurrentCard)
   Debug.Print hBoard
   If hBoard = 0 Then
      ExitGrabber
      End
   End If
   okGetBufferSize hBoard, mBufferAddr, BufferSize
   If mBufferAddr = 0 Then
     MsgBox "缓存不存在！"
     ExitGrabber
   End If
   Debug.Print Hex(mBufferAddr), Hex(BufferSize)


   currentBr = 128: currentContr = 128
   '设置视频输入参数
   okSetVideoParam hBoard, VIDEO_SOURCECHAN, 1 'Video2
      ' lParam=0,1.. Comp.Video; 0x100,101...to Y/C(S-Video), 0x200,0x201 to RGB Chan.Input
   okSetVideoParam hBoard, VIDEO_BRIGHTNESS, currentBr '亮度
   okSetVideoParam hBoard, VIDEO_CONTRAST, currentContr '对比度  ---初始设置条件下如果图像亮度达不到基本要求则控制灯光
   okSetVideoParam hBoard, VIDEO_RGBFORMAT, FORM_GRAY8 '8位灰度模式
   okSetVideoParam hBoard, VIDEO_TVSTANDARD, 0 'PAL制式
   okSetVideoParam hBoard, VIDEO_SIGNALTYPE, &H10000 '逐行（低字）同步开槽（高字）
   okSetVideoParam hBoard, VIDEO_RECTSHIFT, 144 + &H2C0000 '有效区起始位置:高字Y偏移，低字X偏移 (144/44经验值)
   okSetVideoParam hBoard, VIDEO_AVAILRECTSIZE, FrameW + FrameH * 2 * &H10000 '有效区大小：低字X高字Y (768/576采集卡最大值)
   okSetVideoParam hBoard, VIDEO_FREQSEG, 0 ' 低频部分信号

   '设置采集参数
   okSetCaptureParam hBoard, CAPTURE_INTERVAL, 0  '逐帧
   okSetCaptureParam hBoard, CAPTURE_CLIPMODE, 2 '裁剪方式
   okSetCaptureParam hBoard, CAPTURE_BUFRGBFORMAT, FORM_GRAY8  '8位灰度
   okSetCaptureParam hBoard, CAPTURE_HARDMIRROR, 0 '不作镜像变换
   okSetCaptureParam hBoard, CAPTURE_FRMRGBFORMAT, FORM_GRAY8 '帧存格式
   okSetCaptureParam hBoard, CAPTURE_SAMPLEFIELD, 0 ' 逐场采集
   okSetCaptureParam hBoard, CAPTURE_HORZPIXELS, 944  '水平像素数 PAL制式固定值
   okSetCaptureParam hBoard, CAPTURE_VERTLINES, 625 '垂直线数
   okSetCaptureParam hBoard, CAPTURE_SEQCAPWAIT, 0 '不等结束立即返回
   'okSetCaptureParam hBoard, CAPTURE_BUFBLOCKSIZE, FrameW + FrameH * 2 * &H10000
   'Buffer Block Size不用设置，而用okSetTargetRect函数进行动态调节


   okCloseBoard hBoard
   Sleep 50
   hBoard = okOpenBoard(iCurrentCard)   '关闭后重新打开使新的设置值生效

   '设置数据传送方式
   'okSetConvertParam hBoard, CONVERT_FIELDEXTEND, FIELD_COPYEXTEND '逐行并扩展行
   '该设置对本程序无意义，因为程序直接用CopyMemory方法读缓存，而扩展行方式是在用采集卡内置函数读RECT过程中实现的。

   sRECT.Right = -1   '用于获得当前设置值
   iFrames = okSetTargetRect(hBoard, BUFFER, sRECT)
   Debug.Print sRECT.Left, sRECT.Right, sRECT.Top, sRECT.Bottom
   Debug.Print okSetCaptureParam(hBoard, CAPTURE_BUFBLOCKSIZE, -1)  'FrameW + FrameH * &H10000
   sRECT.Left = 0
   sRECT.Top = 0
   sRECT.Right = sRECT.Left + FrameW
   sRECT.Bottom = sRECT.Top + FrameH * 2
   iFrames = okSetTargetRect(hBoard, BUFFER, sRECT)

   sRECT.Right = -1   '检查新设置值
   iFrames = okSetTargetRect(hBoard, BUFFER, sRECT)
   Debug.Print sRECT.Left, sRECT.Right, sRECT.Top, sRECT.Bottom
   Debug.Print Hex(okSetCaptureParam(hBoard, CAPTURE_BUFBLOCKSIZE, -1))

   If TESTSignal = False Then
      'ExitGrabber
   End If



   '设为实时采集状态
   'iFrames = okCaptureActive(hBoard, BUFFER, 0&)


   '单帧采集
   'okWaitSignalEvent hBoard, EVENT_FRAMEHEADER, -1
   'iFrames = okCaptureSingle(hBoard, BUFFER, 0&)
   okCaptureTo hBoard, BUFFER, 0, 1 'single
   'Do While okGetCaptureStatus(hBoard, False) <> 0
   '   Sleep 20
   'Loop
   okGetCaptureStatus hBoard, True
   MoveMemory pFRAME(1, 1), ByVal mBufferAddr, pFrameSize
   '写入768*576测试图象
   ArrayToBMP TmpBMP

   '打开数据库
   Set conn = New ADODB.Connection
   conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
      "Persist Security Info=False;Data Source=" & "c:\train\train.mdb" & _
      "; Mode=Read|Write"
   conn.Open

   frmRecord.Picture1.Picture = LoadPicture(TmpBMP)
   frmRecord.Visible = True
   frmQuery.Visible = True
   Load frmReceiveFromComm

   '调试参数
   If InStr(UCase(Command()), "/CAPTURE") > 0 Then
     SignalBox.Visible = True
   End If
   If InStr(UCase(Command()), "/COMM") > 0 Then
     frmReceiveFromComm.Visible = True
   End If

End Sub

Sub ExitGrabber()
  '关闭数据库
  '关闭采集卡
  mStatus = VirtualFree(ByVal hMEM, hMemSize, MEM_DECOMMIT)
  mStatus = VirtualFree(ByVal hMEM, 0&, MEM_RELEASE)
  mStatus = VirtualFree(ByVal hMemWork, hMemWorkSize, MEM_DECOMMIT)
  mStatus = VirtualFree(ByVal hMemWork, 0&, MEM_RELEASE)
  okStopCapture hBoard
  okCloseBoard hBoard
  CloseHandle hFile
  Close #hBCFile
  conn.Close
  End
End Sub

Function ArrayToBMP(ByVal File As String)
Dim BytesWrite As Long

hTmpFile = CreateFile(File, GENERIC_READ Or GENERIC_WRITE, 0&, 0&, _
  CREATE_ALWAYS, 0&, 0&)

If hTmpFile = 0 Then
   ArrayToBMP = False
   Exit Function
End If

SetFilePointer hTmpFile, 0&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMPHeader, 2&, BytesWrite, ByVal 0&
SetFilePointer hTmpFile, 2&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMPHeader.FileLength, Len(BMPHeader) - 2, BytesWrite, ByVal 0&

SetFilePointer hTmpFile, Len(BMPHeader), 0&, FILE_BEGIN
WriteFile hTmpFile, pFRAME(1, 1), pFrameSize, BytesWrite, ByVal 0&

If BytesWrite < pFrameSize Then
  ArrayToBMP = False
End If

CloseHandle hTmpFile

End Function

Function ArrayToBMP1(ByVal File As String)

Dim BytesWrite As Long

hTmpFile = CreateFile(File, GENERIC_READ Or GENERIC_WRITE, FILE_SHARE_READ Or FILE_SHARE_WRITE, 0&, _
  CREATE_ALWAYS, 0&, 0&)

If hTmpFile = 0 Then
   ArrayToBMP1 = False
   Exit Function
End If

SetFilePointer hTmpFile, 0&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMP1, 2&, BytesWrite, ByVal 0&

SetFilePointer hTmpFile, 2&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMP1.FileLength, Len(BMP1) - 2, BytesWrite, ByVal 0&

SetFilePointer hTmpFile, Len(BMP1), 0&, FILE_BEGIN
WriteFile hTmpFile, pBuffer(1), pBufferSize, BytesWrite, ByVal 0&

If BytesWrite < pBufferSize Then
  ArrayToBMP1 = False
End If

CloseHandle hTmpFile

End Function

'使用该过程建立的文件要求在用后关闭
Public Function ArrayToBMP2(File As String) As Boolean

Dim BytesWrite As Long

ArrayToBMP2 = True

hTmpFile = CreateFile(File, GENERIC_READ Or GENERIC_WRITE, FILE_SHARE_READ Or FILE_SHARE_WRITE, 0&, _
  CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY, 0&)

If hTmpFile = 0 Then
   ArrayToBMP2 = False
   Exit Function
End If

SetFilePointer hTmpFile, 0&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMPHeader, 2, BytesWrite, ByVal 0&

SetFilePointer hTmpFile, 2&, 0&, FILE_BEGIN
WriteFile hTmpFile, BMPHeader.FileLength, Len(BMPHeader) - 2, BytesWrite, ByVal 0&

SetFilePointer hTmpFile, Len(BMPHeader), 0&, FILE_BEGIN
WriteFile hTmpFile, pFRAME(1, 1), pFrameSize, BytesWrite, ByVal 0&

If BytesWrite < pFrameSize Then
  ArrayToBMP2 = False
End If

CloseHandle hTmpFile

End Function

Private Function TESTSignal() As Boolean
Dim extsign As Long, videotype As Long, scanlines As Long, fieldfrq As Long

extsign = okGetSignalParam(hBoard, SIGNAL_VIDEOEXIST)

If extsign = 1 Then
   TESTSignal = True
Else
    If extsign = 0 Then
        MsgBox "无视频输入信号，检查摄像机电源！", vbOKOnly
        TESTSignal = False
        Exit Function
    End If
End If

'测试视频输入类型
'video type
okWaitSignalEvent hBoard, EVENT_ODDFIELD, 40
videotype = okGetSignalParam(hBoard, SIGNAL_VIDEOTYPE)
If videotype = 1 Then
        '"隔行信号(Interlaced)"
Else
   If videotype = 0 Then
       '"逐行信号(Non-interlaced)"
   Else
     If videotype = -1 Then
       ' "不支持"
     End If
   End If
End If

'测试垂直扫描线数
'video scanlines
scanlines = -1
scanlines = okGetSignalParam(hBoard, SIGNAL_SCANLINES)
    If scanlines = -1 Then
        ' "不支持"
    Else
        'Trim(Str(ScanLines)) + " 行数/幅"
    End If

'测试帧频
'video field frequency
    fieldfrq = okGetSignalParam(hBoard, SIGNAL_FIELDFREQ)
    If fieldfrq = -1 Then
        'lblSignal(8) = "不支持"
    Else
        'lblSignal(8) = Trim(Str(FieldFRQ)) + " 场数/秒"
    End If
End Function

Sub PicIdentify()
'本程序完成从文件中按顺序读出一幅图像并完成图像识别
'根据固定位置判断透过车皮连接处接收的对面的立柱影像。出现立柱后该帧前1-2帧与后1-2帧分别为车号信息与车皮信息
'判定标准：如果在立柱位置上有明显的模式反差，则视为车皮之间的间隔
'方法：对立柱标志区进行平均值二值化，面积为32*40，亮区（255）与暗区（0）的亮度平均值理论差大于200倍，实际差值应不小于100倍

  Dim fPTR As Long, cFrame As Long
  Dim i As Long, j As Integer, pTotal As Long, pAV As Integer


cFrame = 0

Do While cFrame < tFrames

  fStatus = SetFilePointer(hFile, cFrame * pFrameSize, 0&, FILE_BEGIN)
  fStatus = ReadFile(hFile, ByVal hMEM, ByVal pFrameSize, bytesRW, ByVal 0&)
  MoveMemory pFRAME(1, 1), ByVal hMEM, pFrameSize

  frmRecord.RText.Text = Str(cFrame)
  frmRecord.RText.Refresh

  If CheckMark = True Then
   ArrayToBMP TmpBMP
   frmRecord.Picture1.Picture = LoadPicture(TmpBMP)
   frmRecord.RText.Text = "第" & Str(cFrame) & "帧"

   DrawSlice

   'i = MsgBox("检测到立柱：第" & Str(cFrame) & "帧", vbYesNo)
   'If i = vbNo Then
   '  Exit Do
   'End If
   'cFrame = cFrame + 1

  End If
  DoEvents
  cFrame = cFrame + 1
Loop
End Sub

Function CheckMark(Optional iBlk As Integer = 30, Optional iWhite As Integer = 230) As Boolean

'如标志区模式反差存在则为TRUE，否则返回FALSE

Dim i As Integer, j As Integer, mTotal As Long, mAV As Single, mTop As Long, mBot As Long
CheckMark = True

'复制标志区
For i = 1 To mkH
   MoveMemory MKpilar((i - 1) * PilarW + 1), pFRAME(PilarX, PilarY + i), PilarW
Next i

For j = 1 To PilarW * PilarH / 2
   mTop = mTop + MKpilar(j)
Next j

For j = PilarW * PilarH / 2 + 1 To PilarW * PilarH
   mBot = mBot + MKpilar(j)
Next j

mTop = mTop / PilarW / PilarH * 2
mBot = mBot / PilarW / PilarH * 2

mAV = (mTop + mBot) / 2 + (mBot - mTop) / 4 '标志区平均亮度

'平均值极值化
  For j = 1 To PilarH * PilarW
    MKpilar(j) = IIf(MKpilar(j) > mAV, 255, 0)
  Next j

mTop = 0: mBot = 0
For j = 1 To PilarH * PilarW / 2
  mTop = mTop + MKpilar(j)
Next j

For j = PilarH * PilarW / 2 + 1 To PilarH * PilarW
  mBot = mBot + MKpilar(j)
Next j

  mTop = mTop / PilarH / PilarW * 3
  mBot = mBot / PilarH / PilarW * 3


If mBot > iWhite And mTop < iBlk Then
  CheckMark = True
Else
  CheckMark = False
End If
End Function

Sub Capture1Frame()
   okCaptureTo hBoard, BUFFER, 0, 1 'single
   okGetCaptureStatus hBoard, True
   MoveMemory pFRAME(1, 1), ByVal mBufferAddr, pFrameSize
End Sub

Sub CopyMark(iBlk As Integer, iWhite As Integer)
'复制标志区并返回标志区暗区与亮区的亮度平均值
Dim i As Integer, j As Integer, mTotal As Long, mAV As Single, mTop As Long, mBot As Long, mMid As Single, bsTotal As Long

'复制标志区
For i = 1 To mkH
   MoveMemory MKpilar((i - 1) * PilarW + 1), pFRAME(PilarX, PilarY + i), PilarW
Next i

For j = 1 To mkW * mkH / 2
   mTotal = mTotal + MKpilar(j)
Next j

iBlk = mTotal / (mkW * mkH / 2)  '标志区上部白区平均亮度

mTotal = 0
For j = mkW * mkH / 2 + 1 To mkW * mkH
   mTotal = mTotal + MKpilar(j)
Next j

iWhite = mTotal / (mkW * mkH / 2) '标志区下部黑区平均亮度

'背景亮度
  MoveMemory BsLine(1), pFRAME(1, 1), 4 * FrameW
  For i = 1 To 4 * FrameW
    bsTotal = bsTotal + BsLine(i)
  Next i
  bsAV = bsTotal / FrameW / 4

End Sub

Sub AdjIMGbright(Optional bInit As Boolean = True)

  '自动调节亮度与对比度,此时处于无车辆状态（白天特别高，而夜间特别暗）
  '图像平均亮度白天不高于200（当车辆通过时可能会下降到100左右）,不低于100
  '            夜间不高于80（过高时通常是由于雪花噪声引起）,但立柱不低于30

  Dim bsTotal As Long, i As Integer, iBlack As Integer, iBright As Integer

  '按标准亮度与对比度采集一帧，确定背景亮度
  currentContr = 128   '初始对比度
  currentBr = 128   '初始亮度
  okSetVideoParam hBoard, VIDEO_BRIGHTNESS, currentBr '亮度
  okSetVideoParam hBoard, VIDEO_CONTRAST, currentContr '对比度
  DoEvents
  Capture1Frame
  '获得图像上缘4行象素
  MoveMemory BsLine(1), pFRAME(1, 1), 4 * FrameW
  CopyMark iBlack, iBright   '图像标志区亮度
  For i = 1 To 4 * FrameW
    bsTotal = bsTotal + BsLine(i)
  Next i
  bsAV = bsTotal / FrameW / 4    '图像上缘基线亮度

  Select Case bsAV
     Case 0 To 60    '夜间通过灯光照明,完全没有背景
       currentBr = 150
       currentContr = 60
     Case 61 To 80   '有可见背景
       currentBr = 140
       currentContr = 70
     Case 81 To 100  '有清晰背景
       currentBr = 128
       currentContr = 80
     Case 100 To 150  '有明亮背景
       currentBr = 140                '5:30-6:00钟实测数据
       currentContr = 50
     Case 151 To 180
       currentBr = 130
       currentContr = 60
     Case 181 To 220  '背景全为白色
       currentBr = 110
       currentContr = 130
     Case 221 To 255  '背景全为白色
       currentBr = 100
       currentContr = 100
  End Select

  Select Case (iBlack + iBright) / 2   '图像反射光强度修正
        Case 100 To 150
          currentBr = currentBr - 10
        Case 151 To 255
          currentBr = currentBr - 20
  End Select

  okSetVideoParam hBoard, VIDEO_BRIGHTNESS, currentBr '亮度
  okSetVideoParam hBoard, VIDEO_CONTRAST, currentContr '对比度
End Sub

Sub CopyCorner(rowID As Integer, diffL As Integer, diffR As Integer)
    Dim i As Integer, j As Integer, L1 As Long, L2 As Long, R1 As Long, R2 As Long

    For i = 1 To 8
      MoveMemory LeftBK((i - 1) * 128 + 1, rowID), pFRAME(1, i), 128&
      MoveMemory RightBK((i - 1) * 128 + 1, rowID), pFRAME(640, i), 128&
    Next i

    For j = 1 To 1024
      L1 = L1 + LeftBK(j, 0)
      L2 = L2 + LeftBK(j, 1)
      R1 = R1 + RightBK(j, 0)
      R2 = R2 + RightBK(j, 1)
    Next j
    diffL = Abs(L1 - L2) / 1024
    diffR = Abs(R1 - R2) / 1024
End Sub

Function CheckSlice() As Boolean
  CopySlice avSL, avSLR, avSLL
  If Abs(avSL - avSLL) > (Abs(avSLL - avSLR) + 5) * 4 Then
    CheckSlice = True
  Else
    CheckSlice = False
  End If
End Function

Sub CopySlice(avSL As Integer, avSLR As Integer, avSLL As Integer)
  Dim i As Long, j As Long, total As Long, totalL As Long, totalR As Long
  For i = 1 To FrameH
    MoveMemory Slice(1, i), pFRAME(sPos, i), sSize
    MoveMemory SliceL(1, i), pFRAME(sPosL, i), sSize
    MoveMemory SliceR(1, i), pFRAME(sPosR, i), sSize
  Next i
  For i = 1 To FrameH
    For j = 1 To sSize
       total = total + Slice(j, i)
       totalL = totalL + SliceL(j, i)
       totalR = totalR + SliceR(j, i)
    Next j
  Next i
  avSL = total / FrameH / sSize
  avSLR = totalR / FrameH / sSize
  avSLL = totalL / FrameH / sSize
End Sub

Sub DrawSlice()
   frmRecord.Picture1.Line (sPosL, 0)-(sPosL + sSize, FrameH), RGB(255, 0, 0), B
   frmRecord.Picture1.Line (sPos, 0)-(sPos + sSize, FrameH), RGB(0, 255, 0), B
   frmRecord.Picture1.Line (sPosR, 0)-(sPosR + sSize, FrameH), RGB(0, 0, 255), B
   frmRecord.RText.Text = Str(avSLL) & "/" & Str(avSL) & "/" & Str(avSLR)
End Sub
Sub DrawMark(pic As Control)
   Dim i As Long, j As Long
   pic.Line (PilarX, FrameH - PilarY)-(PilarX + PilarW, FrameH - PilarY - PilarH / 2), RGB(255, 0, 0), B
   pic.Line (PilarX, FrameH - PilarY - PilarH / 2 - 1)-(PilarX + PilarW, FrameH - PilarY - PilarH), RGB(0, 0, 255), B
   For i = 1 To PilarH
     For j = 1 To PilarW
       pic.PSet (PilarX + PilarW + 10 + j, FrameH - PilarY - i), RGB(MKpilar((i - 1) * PilarW + j), 0, 0)
     Next j
   Next i
End Sub

Function avIMG() As Integer
  Dim i As Long, j As Long, totalIMG As Long
  MoveMemory pBuffer(1), pFRAME(1, 1), pFrameSize
  For i = 1 To pFrameSize
    totalIMG = totalIMG + pBuffer(i)
  Next i
  avIMG = totalIMG / pFrameSize
End Function

Function avRegion(barCol As Integer, barWidth As Integer) As Integer
  Dim i As Long, j As Long, totalIMG As Long
  For i = 1 To FrameH
     MoveMemory pBuffer((i - 1) * barWidth + 1), pFRAME(barCol, i), barWidth
  Next i
  For i = 1 To FrameH * barWidth
    totalIMG = totalIMG + pBuffer(i)
  Next i
  avRegion = totalIMG / pFrameSize
End Function

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93楼发表于: 2015-09-06

只看该作者 ┊ 小中大

一共这么多文件。

这是我用VB写出的最大的程序，也是用API最多的。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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94楼发表于: 2015-09-06

只看该作者 ┊ 小中大

拍下的火车
第6车皮

第9车皮

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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95楼发表于: 2015-09-06

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从这里里分离出来的。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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96楼发表于: 2015-09-06

只看该作者 ┊ 小中大

这个地方现在已经变化很大了。以前紧靠山东农科院的实验田

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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97楼发表于: 2015-09-06

只看该作者 ┊ 小中大

下一次练手，也是VB，不过只是用CCD测量济钢中板车间轧机出来的板的宽度。

这一次，我自己做了一个二进制的尺子，用CCD在一个盒子里读尺。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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98楼发表于: 2021-01-02

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继续填 BotNET 或Pynthon? 有没有XDJMs接龙啊？

杺栫杣杊椌柮栬，䒴蓉艿芖。

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伍胥之 离线

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99楼发表于: 2021-07-18

只看该作者 ┊ 小中大

继续填个坑：

用VBA控制WORD自己修订学生毕业文的格式。

杺栫杣杊椌柮栬，䒴蓉艿芖。

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