急!!!vb数据库画折线图程序求修改,通过奉献全部分!!! 30
VB调用数据库数据画mschart折线图PrivateSubCommand1_Click()OnErrorResumeNextDimiAsIntegerDimconnAs...
VB调用数据库数据画mschart折线图
Private Sub Command1_Click()
On Error Resume Next
Dim i As Integer
Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Set conn = New ADODB.Connection
Set rs = New ADODB.Recordset
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\lwl.mdb"
conn.Open
rs.Open "select * from lwl", conn, adOpenKeyset, adLockOptimistic
' Set MSChart1.DataSource = rs
With MSChart1
'// 以线条方式显示
.chartType = 3
'// 把刻录改为手工方式
.Plot.Axis(VtChAxisIdY).ValueScale.Auto = False
'// 设置最大值
.Plot.Axis(VtChAxisIdY).ValueScale.Maximum = 1000
'// 设置最小值
.Plot.Axis(VtChAxisIdY).ValueScale.Minimum = 0
'// 设置每格为 1
.Plot.Axis(VtChAxisIdY).ValueScale.MinorDivision = 1
'// 设置收入和兼职收入总列数
.ColumnCount = 2
'//轴坐标标题
.Plot.Axis(VtChAxisIdX, 0).AxisTitle = "日期"
.Plot.Axis(VtChAxisIdY, 0).AxisTitle = "收入"
'//轴坐标标题字体大小的设置
.Plot.Axis(VtChAxisIdX, 0).AxisTitle.VtFont.Size = 15
.Plot.Axis(VtChAxisIdY, 0).AxisTitle.VtFont.Size = 25
'//设置图表标题
.Title.Text = "日期和收入对应折线图"
'// 显示图例说明
.ShowLegend = True
'// 标记每个点的值
For i = 1 To .Plot.SeriesCollection.Count
.Plot.SeriesCollection(i).DataPoints(-1).DataPointLabel.LocationType = VtChLabelLocationTypeAbovePoint
Next
If rs.RecordCount > 0 Then
rs.MoveFirst
Else
Exit Sub
End If
For i = 0 To rs.RecordCount - 1
.Column = 1 '收入曲线所在列
.RowCount = rs.RecordCount
.Row = i + 1
.RowLabel = CStr(rs("日期"))
.Data = rs("收入")
.ColumnLabel = "收入" '图例说明文字
'//兼职收入显示
.Column = 2 '兼职收入曲线所在列
.Data = rs("兼职收入")
.ColumnLabel = "兼职收入" '图例说明文字
rs.MoveNext
Next
End With
End Sub
Private Sub Command2_Click() '下列示例设置图表查看距离和轴分段间距。
' Change the chart type to 3D Bar.
MSChart1.chartType = VtChChartType3dBar
With MSChart1.Plot
' Changes 3d bar chart's viewing.
.DepthToHeightRatio = 2
.WidthToHeightRatio = 2
' Changes the spacing between divisions on the
' X-Axis.
.xGap = 0
' Changes the spacing between divisions on the
' Z-Axis.
.zGap = 0.8
End With
End Sub 展开
Private Sub Command1_Click()
On Error Resume Next
Dim i As Integer
Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Set conn = New ADODB.Connection
Set rs = New ADODB.Recordset
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\lwl.mdb"
conn.Open
rs.Open "select * from lwl", conn, adOpenKeyset, adLockOptimistic
' Set MSChart1.DataSource = rs
With MSChart1
'// 以线条方式显示
.chartType = 3
'// 把刻录改为手工方式
.Plot.Axis(VtChAxisIdY).ValueScale.Auto = False
'// 设置最大值
.Plot.Axis(VtChAxisIdY).ValueScale.Maximum = 1000
'// 设置最小值
.Plot.Axis(VtChAxisIdY).ValueScale.Minimum = 0
'// 设置每格为 1
.Plot.Axis(VtChAxisIdY).ValueScale.MinorDivision = 1
'// 设置收入和兼职收入总列数
.ColumnCount = 2
'//轴坐标标题
.Plot.Axis(VtChAxisIdX, 0).AxisTitle = "日期"
.Plot.Axis(VtChAxisIdY, 0).AxisTitle = "收入"
'//轴坐标标题字体大小的设置
.Plot.Axis(VtChAxisIdX, 0).AxisTitle.VtFont.Size = 15
.Plot.Axis(VtChAxisIdY, 0).AxisTitle.VtFont.Size = 25
'//设置图表标题
.Title.Text = "日期和收入对应折线图"
'// 显示图例说明
.ShowLegend = True
'// 标记每个点的值
For i = 1 To .Plot.SeriesCollection.Count
.Plot.SeriesCollection(i).DataPoints(-1).DataPointLabel.LocationType = VtChLabelLocationTypeAbovePoint
Next
If rs.RecordCount > 0 Then
rs.MoveFirst
Else
Exit Sub
End If
For i = 0 To rs.RecordCount - 1
.Column = 1 '收入曲线所在列
.RowCount = rs.RecordCount
.Row = i + 1
.RowLabel = CStr(rs("日期"))
.Data = rs("收入")
.ColumnLabel = "收入" '图例说明文字
'//兼职收入显示
.Column = 2 '兼职收入曲线所在列
.Data = rs("兼职收入")
.ColumnLabel = "兼职收入" '图例说明文字
rs.MoveNext
Next
End With
End Sub
Private Sub Command2_Click() '下列示例设置图表查看距离和轴分段间距。
' Change the chart type to 3D Bar.
MSChart1.chartType = VtChChartType3dBar
With MSChart1.Plot
' Changes 3d bar chart's viewing.
.DepthToHeightRatio = 2
.WidthToHeightRatio = 2
' Changes the spacing between divisions on the
' X-Axis.
.xGap = 0
' Changes the spacing between divisions on the
' Z-Axis.
.zGap = 0.8
End With
End Sub 展开
1个回答
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