解释以下代码:android:id="@+id/mytxt4"
时间: 2023-06-15 13:05:28 浏览: 62
这是一个在 Android XML 布局文件中定义控件 ID 的语法。其中 `android:id` 属性用于指定控件的唯一 ID,而 `@+id` 则表示创建一个新的 ID,如果该 ID 不存在的话。在本例中,控件的 ID 被设置为 `mytxt4`,你可以在 Java 代码中使用这个 ID 来访问和操作该控件。例如,使用 `findViewById(R.id.mytxt4)` 方法来获取该控件的引用。
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翻译以下代码:<TextView android:id="@+id/mytxt3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/mytxt2" android:layout_marginTop="25dp" android:autoLink="all" android:text="@string/mytxt" android:textSize="30sp" />
这段代码是一个 Android 中的 XML 布局代码,用于创建一个文本视图控件。具体实现如下:
- android:id="@+id/mytxt3":指定该控件的 ID 为 mytxt3。
- android:layout_width="wrap_content":设置控件的宽度为自适应。
- android:layout_height="wrap_content":设置控件的高度为自适应。
- android:layout_below="@+id/mytxt2":将该控件放在控件 ID 为 mytxt2 的控件下方。
- android:layout_marginTop="25dp":设置控件与上方控件之间的距离为 25dp。
- android:autoLink="all":设置文本中的链接自动转换为可点击的链接。
- android:text="@string/mytxt":设置文本为在字符串资源文件中定义的 mytxt 字符串。
- android:textSize="30sp":设置文本的字体大小为 30sp。
On Error Resume Next Set acadApp = Nothing Set acadApp = GetObject(, "AutoCAD.Application") acadApp.Visible = True If Err Then MsgBox "未检测到打开的CAD图形! ", 64, Space(22) & "提 醒": Exit Sub Set cadDoc = acadApp.ActiveDocument With cadDoc .Application.WindowState = 3: Set MoSpace = .ModelSpace: Set Auti = .Utility End With Set MYSpace = cadDoc.ModelSpace Set mytxt = cadDoc.TextStyles.Add("Standard") With mytxt: .SetFont "宋体", False, False, 0, 0: .width = 1: End With '文字宽高比 cadDoc.ActiveTextStyle = mytxt Dim Gnt(2) As Double, Hnt(13) As Double, HT As Object, ot(0) As Object Gnt(0) = 0: Gnt(1) = 0: Gnt(2) = 0 Set GCBZ = cadDoc.Blocks.Add(Gnt, "*U") '匿名块高程标志 Hnt(0) = 0: Hnt(1) = 桩位直径 / 2 Hnt(2) = 0.035: Hnt(3) = 桩位直径 / 2 - 0.25 Hnt(4) = 0.01: Hnt(5) = 桩位直径 / 2 - 0.25 Hnt(6) = 0.01: Hnt(7) = 0 Hnt(8) = -0.01: Hnt(9) = 0 Hnt(10) = -0.01: Hnt(11) = 桩位直径 / 2 - 0.25 Hnt(12) = -0.035: Hnt(13) = 桩位直径 / 2 - 0.25 Set obj = MoSpace.AddLightWeightPolyline(Hnt): obj.Closed = True '闭合块 Set HT = GCBZ.AddHatch(0, "SOLID", True) '向匿名图块添加图案,0-acHatchObject,SOLID-图案(颜色)名称 Set ot(0) = obj With HT: .AppendOuterLoop (ot): .Color = 256: End With '块颜色随层(☆此句不能少!) obj.Delete 转换为VB.NET
Dim acadApp As Object = Nothing
Dim cadDoc As Object = Nothing
Dim MoSpace As Object = Nothing
Dim Auti As Object = Nothing
Dim MYSpace As Object = Nothing
Dim mytxt As Object = Nothing
Dim GCBZ As Object = Nothing
Dim obj As Object = Nothing
Dim HT As Object = Nothing
Dim ot(0) As Object
On Error Resume Next
acadApp = GetObject(, "AutoCAD.Application")
acadApp.Visible = True
If Err.Number <> 0 Then
MsgBox("未检测到打开的CAD图形! ", 64, Space(22) & "提 醒")
Exit Sub
End If
cadDoc = acadApp.ActiveDocument
With cadDoc
.Application.WindowState = 3
MoSpace = .ModelSpace
Auti = .Utility
End With
MYSpace = cadDoc.ModelSpace
mytxt = cadDoc.TextStyles.Add("Standard")
With mytxt
.SetFont("宋体", False, False, 0, 0)
.width = 1
End With
cadDoc.ActiveTextStyle = mytxt
Dim Gnt(2) As Double
Dim Hnt(13) As Double
Gnt(0) = 0
Gnt(1) = 0
Gnt(2) = 0
GCBZ = cadDoc.Blocks.Add(Gnt, "*U")
Hnt(0) = 0
Hnt(1) = 桩位直径 / 2
Hnt(2) = 0.035
Hnt(3) = 桩位直径 / 2 - 0.25
Hnt(4) = 0.01
Hnt(5) = 桩位直径 / 2 - 0.25
Hnt(6) = 0.01
Hnt(7) = 0
Hnt(8) = -0.01
Hnt(9) = 0
Hnt(10) = -0.01
Hnt(11) = 桩位直径 / 2 - 0.25
Hnt(12) = -0.035
Hnt(13) = 桩位直径 / 2 - 0.25
obj = MoSpace.AddLightWeightPolyline(Hnt)
obj.Closed = True
HT = GCBZ.AddHatch(0, "SOLID", True)
ot(0) = obj
With HT
.AppendOuterLoop(ot)
.Color = 256
End With
obj.Delete