| 广告招租,e-mail:yesize@hotmail.com
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广告招租,e-mail:yesize@hotmail.com
Simple Chart Example 使用很简单哦,这样就可以了:
用Server.CreateObject建立对象 设置图表属性 调用SaveChart方法保存到硬盘或者用Response.BinaryWrite Chart.Image直接发送 下面这段代码是示范如何建立一个柱图的:
ctBar= 1 cNone= 0 cGradient =6
rem ********************************************************************** rem * Instantiate the Chart component rem ********************************************************************** Set Chart = Server.CreateObject (ASPChart.Chart)
rem ********************************************************************** rem * Add a Bar series with 3 points rem ********************************************************************** Chart.AddSeries (ctBar) Chart.AddValue 200, Regular, vbBlue Chart.AddValue 233, Enhanced , vbRed Chart.AddValue 260, Free, vbGreen Chart.BarStyle = cGradient
rem ********************************************************************** rem * Set the PanelColor, remove the OuterBevel rem ********************************************************************** Chart.PanelColor = vbWhite Chart.BevelOuter = cNone Chart.ChartBGColor = vbWhite
rem ********************************************************************** rem * Set the Width and Height of the image rem ********************************************************************** Chart.Height = 300 Chart.Width = 500
rem ********************************************************************** rem * Set the filename, save the image and write the image tag rem ********************************************************************** Chart.FileName = d:inetpubwwwrootimagessmpchrt1.jpg 也不知道用Server.MapPath,不知道是笨呢还是图效率高。 Chart.SaveChart Response.Write <img src=/images/smpchrt1.jpg>
rem ********************************************************************** rem * Destroy the object rem ********************************************************************** Set Chart = nothing
Multiple Series per Chart 下面这段代码是示范如何建立多列数据的图表的.
Set Chart = Server.CreateObject(AspChart.Chart) Randomize Chart.AddSeries 7 Candle Series dblOpen = 1000 + Rnd(100) for intCount = 1 to 30 dblBase = Round(100*Rnd-50) Chart.AddCandle Now + intCount, dblOpen, dblOpen+20, dblOpen-20, dblOpen+dblBase dblOpen = dblOpen + dblBase next
Randomize Chart.AddSeries 5 这样再调用一次AddSeries就可以再加一列数据了 dblOpen = 1000 + Rnd(100) for intCount =1 to30
dt = Now + intCount dblBase = Round(100*Rnd-50) Chart.AddXY dt, dblOpen, CStr(Month(dt))+ / + _ CStr(Day(dt))+/ +CStr(Year (dt) Mod 100),vbRed dblOpen =dblOpen + dblBase next
再加一段直接输出到浏览器的例子吧:
Response.ContentType = image/JPEG Dim Chart Set Chart = Server.CreateObject (ASPChart.Chart) Chart.AddSeries (ctBar) Chart.AddValue 200, Regular, vbBlue Chart.AddValue 233, Enhanced , vbRed Chart.AddValue 260, Free, vbGreen Chart.BarStyle = cGradient
Chart.PanelColor = vbWhite Chart.BevelOuter = cNone Chart.ChartBGColor = vbWhite
Chart.Height = 300 Chart.Width = 500 Response.BinaryWrite Chart.Image Set Chart = nothing
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