Graphics g;//图像
public string DrawImg(string[] score)
{
string JpgSrc = "";//因为不会画在页面的指定位置,所以我把图片保存到某路径,在页面中以<img>标签显示,该变量即图片的保存路径
try
{
//横坐标的值(从左到右)
string[] xList = new string[] { "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9" };
//纵坐标的值(从下到上)
string[] yindex = { "0", "10", "20", "30", "40", "50", "60", "70", "80", "90", "100" };
//整个图像的大小
int height = 240, width = 800;
Bitmap image = new Bitmap(width, height);
g = Graphics.FromImage(image);
//在图片上用矩形填充(参数:颜色,左上x,左上y,右下x,右下y)
g.FillRectangle(Brushes.WhiteSmoke, 0, 0, width, height);
//定义新画笔(参数:画笔颜色,宽度)
Pen mypen = new Pen(Brushes.Gray, 1);
//在图片上画一条线(参数:画笔,起点x,起点y,终点x,终点y)
g.DrawLine(mypen, 50, 10, 50, 220);
未完……