C#中将字符串转成 Base64 编码

来源：互联网发布：淘宝合作快递收费2元编辑：程序博客网时间：2024/05/14 02:14

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Base64.aspx.cs" Inherits="Base64" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title> Base64加密解密</title></head><body> <form id="form1" runat="server"> <div> <span style="font-size: 24pt; color: #006633" mce_style="font-size: 24pt; color: #006633"> Base64加密解密</span><br /> <br /> <br /> <asp:TextBox ID="txtChar" runat="server"></asp:TextBox> <asp:Button ID="btnEncrypt" runat="server" Text="加密" OnClick="btnBase64_Click" /> <asp:Button ID="btnExtract" runat="server" OnClick="Button1_Click" Text="解密" /><br /> <br /> <asp:Label ID="lblMessage" runat="server" Width="211px" ></asp:Label></div> </form></body></html>using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class Base64 : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { } protected void btnBase64_Click(object sender, EventArgs e) { string a = txtChar.Text; byte[] b = System.Text.Encoding.Default.GetBytes(a); lblMessage.Text = Convert.ToBase64String(b); } protected void Button1_Click(object sender, EventArgs e) { string a = txtChar.Text; byte[] c = Convert.FromBase64String(a); lblMessage.Text = System.Text.Encoding.Default.GetString(c); }}