2、折线图分析人口 //定义画布大小        int height = 440, width = 600;        System.Drawing.Bitmap image = new System.Drawing.Bitmap(width,height);        //创建Graphics类对象        Graphics g = Graphics.FromImage(

 ///  /// 显示图象 ///  ///  ///  ///     public string GetResult(string strContent, decimal decNumAll)    {        string[] arrContent = strContent.Split(|);        string strBody = "/n";        foreac

1、绘制汉字验证码using System.Text;  //添加引用using System.Drawing;  //添加引用private object[] CreateString(int strlength)    {        //定义一个数组存储汉字编码的组成元素        string[] str = new string[16] { "0", "1", "2", "

1、饼形图分析男女比例using System.Drawing;  //添加引用using System.Data.SqlClient;  //添加引用using System.Collections;  //添加引用protected void Page_Load(object sender, EventArgs e)    {        CreateImage();    }   

1、gdi绘制原形、椭圆形、扇形using System.Drawing;  //添加的引用 private void GraphicsImage()    {        int width = 400, hight = 250;        Bitmap image = new Bitmap(width, hight);        Graphics g = Graphics.F