生成图片，保存到指定目录

/// <summary>

/// 将指定的联系号码转换成图片

/// </summary>

/// <param name="phone">联系号码</param>

/// <param name="fileSaveDir">生成图片的保存路径</param>

/// <returns>返回生成的图片的文件名</returns>

public static string ConvertPhoneToImageAndSave(string phone, string fileSaveDir)

{

Bitmap image = new System.Drawing.Bitmap((int)Math.Ceiling(15 * 0.76 * phone.Length), 25);

Graphics g = System.Drawing.Graphics.FromImage(image);

try

{

g.Clear(Color.White);

Font f = new Font("Arial", 15, FontStyle.Bold);

SolidBrush brush = new SolidBrush(ColorTranslator.FromHtml("#0A3B7E"));

g.DrawString(phone, f, brush, 1, 2);

Guid guid = Guid.NewGuid();

string fileName = guid.ToString() + ".gif";

DirectoryInfo dir = new DirectoryInfo(fileSaveDir);

if (!dir.Exists)

{

dir.Create();

}

string fileFullName = dir.FullName + fileName;

image.Save(fileFullName);

return fileName;

}

catch

{

return "";

}

finally

{

g.Dispose();

image.Dispose();

}

}