• 用OFC画多条曲线


        Open flash chart的使用文章已经很多了,这我就不多说了,贴段OFC画多条曲线的代码供大家学习参考,有不尽的地方请谅解,如果有疑问可以给我留言,也可以直接联系我。

    OFC代码
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.Services;
    using System.Collections;
    namespace OFCWeb
    {
    /// <summary>
    /// $codebehindclassname$ 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class Tline : IHttpHandler
    {

    public void ProcessRequest(HttpContext context)
    {
    context.Response.ContentType
    = "text/plain";
    OFC.OFC chart
    = new OFC.OFC();
    List
    <int> avgbid = new List<int>();
    List
    <string> avgbid_month = new List<string>();
    IList
    <int> list_used = new List<int>();
    OFC.Line line_avgbid
    = new OFC.Line();
    chart.Bgcolor
    = "#FFFFFF";
    if (false)
    {
    //line_avgbid.Text = "没有数据信息";
    }
    else
    {
    for (int i = 20; i < 30; i++)
    {
    avgbid.
    Add(i);
    }
    for (int i = 0; i < 10; i++)
    {
    list_used.
    Add(i);
    }
    line_avgbid.
    Values = avgbid;
    line_avgbid.
    Text = "二手房成交均价";
    line_avgbid.DotSize
    = 2;
    line_avgbid.DotStyleType.Tip
    = "#val#元/㎡";
    line_avgbid.Colour
    = "#6600cc";
    chart.Title
    = new OFC.Title("aa");
    line_avgbid.DotStyleType.Colour
    = "#6600cc";
    chart.AddElement(line_avgbid);

    OFC.Line line_used
    = new OFC.Line();
    line_used.
    Values = (IList)list_used;
    line_used.
    Text = "二手房挂牌均价";
    line_used.Colour
    = "#ff9900";
    line_used.DotStyleType.Tip
    = "#val#元/㎡";
    chart.AddElement(line_used);
    chart.Y_Legend
    = new OFC.Legend("");
    chart.Y_Axis.
    Max = 40;
    chart.Y_Axis.
    Min = 0;
    chart.Y_Axis.Steps
    = 2;
    chart.X_Axis.SetLabels(avgbid_month);
    chart.X_Axis.Labels.VisibleSteps
    = 4;
    }
    context.Response.Clear();
    context.Response.CacheControl
    = "no-cache";
    context.Response.Write(chart.ToPrettyString());
    context.Response.
    End();

    }

    public bool IsReusable
    {
    get
    {
    return false;
    }
    }
    }
    }

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  • 原文地址:https://www.cnblogs.com/_fyz/p/1874688.html
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