標籤:bpa tar doc ext xhtml 1.0 ati 加密解密 ring head
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.Page39 {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 }
C#中將字串轉成 Base 64 編碼 (加密--解密)