用printer对象打印表格

王朝vb·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

用printer对象打印表格

用msflexgrid控件显示的表格,要将它打印出来,最简单的方法是用printform方法,然而这只适合于数据正好能被屏幕显示的,即数据量少的,而且这种打印效果很差。而用printer对象进行打印编程,虽然麻烦点,但效果却是相当不错的,你可以自定义打印格式,打印页数,表格的粗细,字体大小等。实际上用printer对象进行打印编程是比较简单的。

下面我就用一实例来说明:

打印的内容是一张数据表,这里就只有两列数据,包括标题,副标题。(用A4纸打印)

假设数据处在C_DataArray(),和R_DataArray()中C_Name与R_Name分别为两数据项的字段名

Public Sub Printtable()

'初始化

Dim printer1 as Printer

Dim pageheader

Dim pagefooter

Dim pageleft

Dim pageright

Dim usewidth

Dim useheight

Dim i, j, k As Integer

Dim word As String

Dim startx

Dim starty

Dim startyline ‘ 用来纪录打印竖线的起点

Dim endyline ’ 用来纪录打印竖线的末点

设置页面参数

pageheader = 25

pagefooter = 25

pageleft = 20

pageright = 20

With printer1

.PaperSize = 9

.ScaleMode = 6

.FontBold = True

.ScaleLeft = -20

.ScaleTop = -25

.ScaleWidth = 210 '设置为A4纸

.ScaleHeight = 297

usewidth = .ScaleWidth - 40

useheight = .ScaleHeight - 50

.CurrentX = 0

.CurrentY = 0

.DrawWidth = 5

End With

'打印标题

With printer1

.FontSize = 20

.CurrentX = (usewidth - .TextWidth(DataTitle)) / 2

.CurrentY = pageheader + .ScaleTop

End With

printer1.Print DataTitle

'打印副标题

printer1.FontSize = 15

word = DataTitle2

printer1.CurrentX = usewidth - printer1.TextWidth(word)

printer1.Print word

'打印第一条线 Line方法不能用在with ....end with里

printer1.CurrentX = pageleft + printer1.ScaleLeft

startyline = printer1.CurrentY

'线宽

printer1.Line -((printer1.ScaleLeft + printer1.ScaleWidth - pageleft), printer1.CurrentY)

printer1.FontSize = 10

'printer1.Print vbLf

printer1.CurrentY = printer1.CurrentY + 1

'打印第一个字段名

starty = printer1.CurrentY

printer1.CurrentX = ((printer1.ScaleWidth - 40) / 2 - printer1.TextWidth(C_Name)) / 2

printer1.Print C_Name

'打印第二个字段名

printer1.CurrentX = usewidth / 2 + ((usewidth / 2 - printer1.TextWidth(R_Name)) / 2)

printer1.CurrentY = starty

printer1.Print R_Name

printer1.CurrentY = printer1.CurrentY + 1

'打印数据和横线,rownum为数据行数

For i = 1 To rownum

'判断是否该页已打满

If printer1.CurrentY >= useheight Then

'打印横线

printer1.CurrentX = printer1.ScaleLeft + pageleft

printer1.Line -((printer1.ScaleLeft + printer1.ScaleWidth - pageleft), printer1.CurrentY)

printer1.CurrentY = printer1.CurrentY + 1

'打印三条竖线

endyline = printer1.CurrentY

printer1.Line (0, startyline)-(0, endyline)

printer1.Line (usewidth / 2, startyline)-(usewidth / 2, endyline)

printer1.Line (usewidth, startyline)-(usewidth, endyline)

'打印页号

With printer1

.CurrentX = (.ScaleWidth - .TextWidth(.Page)) / 2 - pageleft

.CurrentY = useheight + 3

End With

printer1.Print printer1.Page

printer1.NewPage

With printer1

.CurrentX = pageleft + .ScaleLeft

.CurrentY = pageheader + .ScaleTop

startyline = .CurrentY

End With

End If

'打印一行数据

printer1.CurrentX = ((printer1.ScaleWidth - 40) / 2 - printer1.TextWidth(C_DataArray(i))) / 2

starty = printer1.CurrentY

printer1.Print C_DataArray(i)

printer1.CurrentX = (printer1.ScaleWidth - 40) / 2 + ((printer1.ScaleWidth - 40) / 2 - printer1.TextWidth(R_DataArray(i) )) / 2

printer1.CurrentY = starty

printer1.Print R_DataArray(i)

printer1.CurrentY = printer1.CurrentY + 1

Next i

'打印最后一条横线

printer1.CurrentX = printer1.ScaleLeft + pageleft

printer1.Line -((printer1.ScaleLeft + printer1.ScaleWidth - pageleft), printer1.CurrentY)

endyline = printer1.CurrentY

'打印三条竖线

printer1.Line (0, startyline)-(0, endyline)

printer1.Line (usewidth / 2, startyline)-(usewidth / 2, endyline)

printer1.Line (usewidth, startyline)-(usewidth, endyline)

'打印页号

With printer1

.CurrentX = (.ScaleWidth - .TextWidth(.Page)) / 2 - pageleft

.CurrentY = useheight + 3

End With

printer1.Print printer1.Page

printer1.EndDoc

end sub

 
 
 
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