asp.net代码练习 work077

小蚂蚁

webform1.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="work077.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  <title>Base64编码转换的示例</title>
</head>
<body>
  <form id="form1" runat="server">
  <div>
    <table border="0">
      <tr>
        <td colspan="2" style="text-align:center">Base64编码转换的示例</td>
      </tr>
      <tr>
        <td>
          <asp:TextBox ID="txtBase64" runat="server" Rows="6" TextMode="MultiLine"></asp:TextBox>
        </td>
        <td>
          <asp:TextBox ID="txtUTF8" runat="server" Rows="6" TextMode="MultiLine"></asp:TextBox>
        </td>
      </tr>
      <tr>
        <td>
          <asp:Button ID="Button1" runat="server" Text="转换成Base64编码"  />
        </td>
        <td>
          <asp:Button ID="Button2" runat="server" Text="转换成UTF8编码"  />
        </td>
      </tr>
    </table>
  </div>
  </form>
</body>
</html>

webform1.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace work077
{
  public partial class WebForm1 : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    /// <summary>
    /// 转换成Base64编码
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button1_Click(object sender, EventArgs e)
    {
      string text = txtBase64.Text;
      txtBase64.Text = Base64Provider.EncodeBase64String(text);
      txtUTF8.Text = Base64Provider.EncodeBase64String(text);
    }
    /// <summary>
    /// 转换成UTF8编码
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button2_Click(object sender, EventArgs e)
    {
      string text = txtUTF8.Text;
      txtUTF8.Text = Base64Provider.DecodeBase64String(text);
    }
  }
}

base64provider.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace work077
{
  /// <summary>
  /// 实现Base64编码与其他编码转换的类
  /// </summary>
  public class Base64Provider
  {
    private Base64Provider()
    { 
      
    }
    /// <summary>
    /// 将其他编码的字符串转换成Base64编码的字符串
    /// </summary>
    /// <param name="source"></param>
    /// <returns></returns>
    public static string EncodeBase64String(string source)
    {
      if (string.IsNullOrEmpty(source))
      {
        throw new ArgumentNullException("source", "不能为空");
      }
      else
      {
        byte[] buffer = System.Text.Encoding.UTF8.GetBytes(source);
        string result = Convert.ToBase64String(buffer);
        return result;
      }
    }
    /// <summary>
    /// 将Base64编码的字符串转换成其他编码的字符串
    /// </summary>
    /// <param name="result"></param>
    /// <returns></returns>
    public static string DecodeBase64String(string result)
    {
      if (string.IsNullOrEmpty(result))
      {
        throw new ArgumentNullException("result", "不能为空");
      }
      else
      {
        byte[] buffer = Convert.FromBase64String(result);
        string source = System.Text.Encoding.UTF8.GetString(buffer);
        return source;
      }
    }
  }
}

[R语言] asp.net代码练习 work077

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