1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Base64.aspx.cs" Inherits="Base64" %> 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3 <html xmlns="http://www.w3.org/1999/xhtml" > 4 <head runat="server"> 5 <title> Base64加密解密 6 </title> 7 </head> 8 <body> 9 <form id="form1" runat="server"> 10 <div> 11 <span style="font-size: 24pt; color: #006633" mce_style="font-size: 24pt; color: #006633"> 12 Base64加密解密</span><br /> 13 <br /> 14 <br /> 15 <asp:TextBox ID="txtChar" runat="server"></asp:TextBox> 16 <asp:Button ID="btnEncrypt" runat="server" Text="加密" OnClick="btnBase64_Click" /> 17 <asp:Button ID="btnExtract" runat="server" OnClick="Button1_Click" Text="解密" /><br /> 18 <br /> 19 <asp:Label ID="lblMessage" runat="server" Width="211px" ></asp:Label></div> 20 </form> 21 </body> 22 </html> 23 24 25 26 27 28 using System; 29 using System.Data; 30 using System.Configuration; 31 using System.Collections; 32 using System.Web; 33 using System.Web.Security; 34 using System.Web.UI; 35 using System.Web.UI.WebControls; 36 using System.Web.UI.WebControls.WebParts; 37 using System.Web.UI.HtmlControls; 38 public partial class Base64 : System.Web.UI.Page 39 { 40 protected void Page_Load(object sender, EventArgs e) 41 { 42 } 43 protected void btnBase64_Click(object sender, EventArgs e) 44 { 45 string a = txtChar.Text; 46 byte[] b = System.Text.Encoding.Default.GetBytes(a); 47 lblMessage.Text = Convert.ToBase64String(b); 48 } 49 protected void Button1_Click(object sender, EventArgs e) 50 { 51 string a = txtChar.Text; 52 byte[] c = Convert.FromBase64String(a); 53 lblMessage.Text = System.Text.Encoding.Default.GetString(c); 54 } 55 }