C#读写INI文件示例demo
C#读写INI文件示例demo
注意事项：如果没有读取ini文件和写入的权限，读写ini文件时不会报错的。所以如果发现读取或者写入不了ini文件，自己检查一下ini文件是否有运行网站用户的写入权限
C#读写INI文件示例demo源代码
INIFileDemo.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="xxx.aspx.cs" Inherits="INIFileDemo" %><!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<title>C#读写INI文件示例demo</title>
<style type="text/css">
body {
background-color: #c4d8ed;
}
.STYLE6 { color: #000000;
font-weight: bold;
}
.STYLE7 {color: #135294}
.STYLE8 {
color: #FF0000;
font-weight: bold;
}</style>
<body>
<form id="form1" runat="server">
<div>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td valign="top"><table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="#284885">
<tr>
<td width="20%" colspan="2" align="left" valign="middle" bgcolor="#E4EDF9"><span style="width: 186px"> </span><span class="td2"><span class="STYLE6"> </span></span> <br />
<table width="98%" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="C4D8ED">
<tr>
<td height="28" bgcolor="#F1F3F5"><span class="STYLE7"> [设置] </span></td>
</tr>
</table>
<br /><table width="98%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td><table width="100%" border="0" cellpadding="1" cellspacing="1" bgcolor="C4D8ED">
<tr>
<td colspan="2" align="left" bgcolor="F1F3F5" style="height: 26px"> </td>
</tr>
<tr>
<td width="32%" height="30" align="right" bgcolor="F1F3F5" style="height: 26px">
A帐号：</td>
<td width="68%" height="26" align="left" bgcolor="F1F3F5" style="height: 26px">
<asp:TextBox CssClass="td1" ID="userid" runat="server" Width="243px"></asp:TextBox>
</td>
</tr>
<tr>
<td width="32%" height="30" align="right" bgcolor="F1F3F5" style="height: 26px">
B比例：</td>
<td width="68%" height="26" align="left" bgcolor="F1F3F5" style="height: 26px">
<asp:TextBox CssClass="td1" ID="userid1" runat="server" Width="243px"></asp:TextBox>
</td>
</tr>
<tr>
<td height="30" align="right" bgcolor="F1F3F5">
确认修改：</td>
<td height="26" align="left" bgcolor="F1F3F5">
<asp:Button CssClass="bt2" ID="Button1" runat="server" Text="提交" Width="134px" OnClick="Button1_Click" />
</td>
</tr>
<tr>
<td height="83" colspan="2" align="center" bgcolor="F1F3F5"><table width="98%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="32%" height="69"> </td>
<td width="68%" align="left"><span class="STYLE8">注意：<br>
内容 </span></td>
</tr>
</table>
<br /></td>
</tr>
</table></td>
</tr>
</table></td>
</tr>
<tr>
<td valign="top" bgcolor="#F1F3F5"> </td>
<td valign="top" bgcolor="#F1F3F5"> </td>
</tr>
</table></td>
</tr>
</table>
<br />
<br />
</div></form>
</body>
</html>
INIFileDemo.aspx.cs
using System;
using System.Text;
using System.Runtime.InteropServices;
public partial class INIFileDemo : System.Web.UI.Page
{
/// <summary>
/// INIFILE操作类
/// </summary>
public class INIFILE
{
/// <summary>
/// INI文件路径
/// </summary>
public string FilePath;
//////////////////////////////////////////////////////////////////
//注意下面2个方法，如果没有读取ini文件和写入的权限，读写ini文件时不会报错
//所以如果发现读取或者写入不了ini文件，自己检查一下ini文件是否有运行网站用户的写入权限
[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
//////////////////////////////////////////////////////////////////
/// <summary>
/// 构造函数
/// </summary>
public INIFILE() { }
/// <summary>
/// 构造方法
/// </summary>
/// <param name="INIPath">文件路径</param>
public INIFILE(string INIPath) { FilePath = INIPath; }
/// <summary>
/// 写入INI文件
/// </summary>
/// <param name="Section">项目名称(如 [TypeName] )</param>
/// <param name="Key">键</param>
/// <param name="Value">值</param>
public void WriteValue(string Section, string Key, string Value) { WritePrivateProfileString(Section, Key, Value, this.FilePath); }
/// <summary>
/// 读出INI文件
/// </summary>
/// <param name="Section">项目名称(如 [TypeName] )</param>
/// <param name="Key">键</param>
public string ReadValue(string Section, string Key)
{
StringBuilder temp = new StringBuilder(500);
int i = GetPrivateProfileString(Section, Key, "", temp, 500, this.FilePath);
return temp.ToString();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
INIFILE ini = new INIFILE(Server.MapPath("~/config.ini"));
Response.Write(ini.FilePath);
string strReturnValue = ini.ReadValue("public", "USERID");
this.userid.Text = strReturnValue;
string strReturnValue1 = ini.ReadValue("public", "CHUPER");
this.userid1.Text = strReturnValue1;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
INIFILE ini = new INIFILE(Server.MapPath("~/config.ini"));
string wstr = this.userid.Text.ToString().Trim();
ini.WriteValue("public", "USERID", wstr);
string wstr1 = this.userid1.Text.ToString().Trim();
ini.WriteValue("public", "CHUPER", wstr1);
Response.Write("操作成功！"+DateTime.Now+"|"+ini.FilePath);
}
}
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