求救啊!!!!!!!!!1

2025-03-06 11:59:24
推荐回答(1个)
回答1:

这个代码有些地方需要改一下
1、 AcadDoc 改为 ThisDrawing ,你用查找替换(因为cad默认的文件名为ThisDrawing,作者改了文件名,所以不通用,但作者写的没错)
2、需要加一个代码
Sub a()
Call ChangeEntity(10, 1000, "p", True)
End Sub(因为作者写的是子程序,我们必须有一个主程序来调用他,其中p 为你要替换的块的名字,引号必须有,10,和1000 为被替代圆的最小和最大半径,在他们之间的圆才会被替代)
3、如何运行代码
首先,打开cad,点工具--宏--Visual Basic 编辑器,弹出窗体,点击菜单插入--模块--复制以下代码(我已经改好)
Sub a()
Call ChangeEntity(10, 1000, "p", True)
End Sub
Public Sub ChangeEntity(ByVal MinRadius As Double, ByVal MaxRadius As Double, _
ByVal BlockName As Variant, ByVal AutoSelect As Boolean)
On Error Resume Next

Dim ssobject As AcadCircle
Dim InsertionPoint(0 To 2) As Double
Dim NewBlock As AcadBlockReference

'创建选择集
Dim ssetObj As AcadSelectionSet
Set ssetObj = ThisDrawing.SelectionSets("BlockCount")

If Err.Number <> 0 Then
Err.Clear
Set ssetObj = ThisDrawing.SelectionSets.Add("BlockCount")
End If

'清空选择集
ssetObj.Clear

'创建过滤机制
Dim fType(0 To 6) As Integer
Dim fData(0 To 6) As Variant

fType(0) = 0: fData(0) = "Circle"

fType(1) = -4: fData(1) = " fType(2) = -4: fData(2) = ">="
fType(3) = 40: fData(3) = MinRadius
fType(4) = -4: fData(4) = "<="
fType(5) = 40: fData(5) = MaxRadius
fType(6) = -4: fData(6) = "AND>"

'选择符合条件的所有图元-圆
If AutoSelect Then
'自动选择方式
ssetObj.Select acSelectionSetAll, , , fType, fData
Else
'提示用户选择
ssetObj.SelectOnScreen fType, fData
End If

If ssetObj.Count = 0 Then Exit Sub

'替换每一个圆为指定的块对象
For Each ssobject In ssetObj
InsertionPoint(0) = ssobject.Center(0)
InsertionPoint(1) = ssobject.Center(1)
InsertionPoint(2) = ssobject.Center(2)

On Error GoTo ErrHandle

Set NewBlock = ThisDrawing.ModelSpace.InsertBlock(InsertionPoint, BlockName, 1, 1, 1, 0)

ssobject.Delete
Set NewBlock = Nothing
Next

'删除数组
Erase fType: Erase fData

'刷新视图
'thisdrawing.Regen acActiveViewport

MsgBox "当前图纸中有 " & ssetObj.Count & " 个符合条件的圆被替换为块 “" & BlockName & "”。", vbInformation, "提示:"

'删除选择集
ssetObj.Clear
ssetObj.Delete

Set ssetObj = Nothing
Exit Sub
ErrHandle:
Select Case Err.Number
Case -2147418113
MsgBox "在当前图纸中找不到名称为: “" & BlockName & "” 的块参照,请确认块名!", vbCritical, "错误:"
Case Else
MsgBox Err.Number & Chr(13) & Err.Description, vbCritical, "产生了以下错误:"
End Select
Err.Clear
End Sub
最后,改半径和块的名称,例如你要替代的圆的半径范围为10到100,块的名称为qw ,在sub a() 中改为
Call ChangeEntity(10, 100, "qw", True)
4、运行程序
返回 cad 窗口,点击 工具--宏--宏---弹出窗口---点击运行

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