ASP.net编程的问题49
protected void Page_Load(object sender, EventArgs e){
Bitmap image = new Bitmap(300,50);
Graphics graphics = Graphics.FromImage(image);
graphics.Clear(Color.Black);
Font font = new Font("宋体",16);
Brush brush = new SolidBrush(Color.White);
graphics.DrawString("验证图片测试",font,brush,0,0);
graphics.Dispose();
Response.Clear();
Response.ContentType = "image/pjpeg";
image.Save(Response.OutputStream,ImageFormat.Jpeg);
image.Dispose();
Response.End();
}
Response.ContentType = "image/pjpeg";这句代码加了跟不加有什么区别???
效果不就一样???