private void CreateImage()
{
int height = 500, width = 700;
Bitmap p_w_picpath = new Bitmap(width, height);
// 创建 Graphics 类对象
Graphics g = Graphics.FromImage(p_w_picpath);
try
{
// 清空图片背景色
g.Clear(Color.White);
Font font = new Font("Arial", 10, FontStyle.Regular);
Font font1 = new Font(" 宋体 ", 20, FontStyle.Bold);
LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, p_w_picpath.Width, p_w_picpath.Height),
Color.Blue, Color.BlueViolet, 1.2f, true);
g.FillRectangle(Brushes.WhiteSmoke, 0, 0, width, height);
// Brush brush1 = new SolidBrush(Color.Blue);
g.DrawString(
" 江苏省发改委2022年成绩统计柱状图 ", font1, brush, new PointF(70, 30));
// 画图片的边框线
g.DrawRectangle(new Pen(Color.Blue), 0, 0, p_w_picpath.Width - 1, p_w_picpath.Height - 1);
Pen mypen = new Pen(brush, 1);
// 绘制线条
// 绘制横向线条
int x = 100;
for (int i = 0; i < 14; i++)
{
g.DrawLine(mypen, x, 80, x, 340);
x = x + 40;
}
Pen mypen1 = new Pen(Color.Blue, 2);
x = 60;
g.DrawLine(mypen1, x, 80, x, 340);
// 绘制纵向线条
int y = 106;
for (int i = 0; i < 9; i++)
{
g.DrawLine(mypen, 60, y, 620, y);
y = y + 26;
}
g.DrawLine(mypen1, 60, y, 620, y);
//x 轴
String[] n = { " 第一期 ", " 第二期 ", " 第三期 ", " 第四期 ", " 上半年 ", " 下半年 ", " 全年统计 " };
x = 78;
for (int i = 0; i < 7; i++)
{
g.DrawString(n[i].ToString(), font, Brushes.Blue, x, 348); // 设置文字内容及输出位置
x = x + 78;
}
//y 轴
String[] m = {"250","225", "200", "175", "150", "125", "100", " 75"," 50", " 25", " 0"};
y = 72;
for (int i = 0; i < 10; i++)
{
g.DrawString(m[i].ToString(), font, Brushes.Blue, 25, y); // 设置文字内容及输出位置
y = y + 26;
}
int[] Count1 = new int[7];
int[] Count2 = new int[7];
//SqlConnection Con = new SqlConnection("Server=(Local);Database=committeeTraining;Uid=sa;Pwd=**");
//Con.Open();
//string cmdtxt2 = "SELECT * FROM ##Count where Company='" + this.ddlTaget.SelectedItem.Text.Trim() + "'";
//SqlDataAdapter da = new SqlDataAdapter(cmdtxt2, Con);
//DataSet ds = new DataSet();
//da.Fill(ds);
Count1[0] = 26;
Count1[1] =68;
Count1[2] = 35;
Count1[3] =14;
Count1[4] = Count1[0] + Count1[1];//上半年的通过数
Count1[5] = Count1[2] + Count1[3];//下半年的通过数
Count1[6] = Count1[4] + Count1[5];//全年通过数
Count2[0] = 39;
Count2[1] = 111;
Count2[2] = 71;
Count2[3] = 40;
Count2[4] = Count2[0] + Count2[1];//上半年报名数
Count2[5] = Count2[2] + Count2[3];//下半年报名数
Count2[6] = Count2[4] + Count2[5];//全年报名数
// 绘制柱状图 .
x = 80;
Font font2 = new System.Drawing.Font("Arial", 10, FontStyle.Bold);
SolidBrush mybrush = new SolidBrush(Color.Red);
SolidBrush mybrush2 = new SolidBrush(Color.Green);
// 第一期
g.FillRectangle(mybrush, x, 340 - Count1[0], 20, Count1[0]);
g.DrawString(Count1[0].ToString(), font2, Brushes.Red, x, 340 - Count1[0] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[0], 20, Count2[0]);
g.DrawString(Count2[0].ToString(), font2, Brushes.Green, x, 340 - Count2[0] - 15);
// 第二期
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[1], 20, Count1[1]);
g.DrawString(Count1[1].ToString(), font2, Brushes.Red, x, 340 - Count1[1] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[1], 20, Count2[1]);
g.DrawString(Count2[1].ToString(), font2, Brushes.Green, x, 340 - Count2[1] - 15);
// 第三期
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[2], 20, Count1[2]);
g.DrawString(Count1[2].ToString(), font2, Brushes.Red, x, 340 - Count1[2] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[2], 20, Count2[2]);
g.DrawString(Count2[2].ToString(), font2, Brushes.Green, x, 340 - Count2[2] - 15);
// 第四期
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[3], 20, Count1[3]);
g.DrawString(Count1[3].ToString(), font2, Brushes.Red, x, 340 - Count1[3] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[3], 20, Count2[3]);
g.DrawString(Count2[3].ToString(), font2, Brushes.Green, x, 340 - Count2[3] - 15);
// 上半年
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[4], 20, Count1[4]);
g.DrawString(Count1[4].ToString(), font2, Brushes.Red, x, 340 - Count1[4] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[4], 20, Count2[4]);
g.DrawString(Count2[4].ToString(), font2, Brushes.Green, x, 340 - Count2[4] - 15);
// 下半年
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[5], 20, Count1[5]);
g.DrawString(Count1[5].ToString(), font2, Brushes.Red, x, 340 - Count1[5] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[5], 20, Count2[5]);
g.DrawString(Count2[5].ToString(), font2, Brushes.Green, x, 340 - Count2[5] - 15);
// 全年
x = x + 60;
g.FillRectangle(mybrush, x, 340 - Count1[6], 20, Count1[6]);
g.DrawString(Count1[6].ToString(), font2, Brushes.Red, x, 340 - Count1[6] - 15);
x = x + 20;
g.FillRectangle(mybrush2, x, 340 - Count2[6], 20, Count2[6]);
g.DrawString(Count2[6].ToString(), font2, Brushes.Green, x, 340 - Count2[6] - 15);
// 绘制标识
Font font3 = new System.Drawing.Font("Arial", 10, FontStyle.Regular);
g.DrawRectangle(new Pen(Brushes.Blue), 170, 400, 250, 50); // 绘制范围框
g.FillRectangle(Brushes.Red, 270, 410, 20, 10); // 绘制小矩形
g.DrawString(" 报名人数 ", font3, Brushes.Red, 292, 408);
g.FillRectangle(Brushes.Green, 270, 430, 20, 10);
g.DrawString(" 通过人数 ", font3, Brushes.Green, 292, 428);
//System.IO.MemoryStream ms = new System.IO.MemoryStream();
// Pen p = new Pen ( Color.Black , 1 ) ;
g.DrawRectangle(mypen1, 1, 1, 598, 248);
p_w_picpath.Save ( Response . OutputStream , ImageFormat.Gif) ;
//Response.ClearContent();
//Response.ContentType = "p_w_picpath/Jpeg";
//Response.BinaryWrite(ms.ToArray());
}
finally
{
// g.Dispose();
// p_w_picpath.Dispose();
;
}
}
// System.IO.MemoryStream ms = new
//System.IO.MemoryStream();
//p_w_picpath.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
//Response.ClearContent();
//Response.ContentType = "p_w_picpath/Jpeg";
//Response.BinaryWrite(ms.ToArray());
protected void Button1_Click(object sender, System.EventArgs e)
{
CreateImage();
}
