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让asp.net网站支持多语言，使用资源文件

2016-12-29 00:00 896 查看

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>

<!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>asp.net多语言支持例子</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DropDownList ID="ddlLanguage" runat="server" AutoPostBack="true"
onselectedindexchanged="ddlLanguage_SelectedIndexChanged">
<asp:ListItem Text="France" Value="fr"></asp:ListItem>
<asp:ListItem Text="简体中文" Value="zh-cn"></asp:ListItem>
<asp:ListItem Text="English" Value="en-us"></asp:ListItem>
</asp:DropDownList>
<asp:Label ID="lb1" runat="server" ></asp:Label>
</div>
</form>
</body>
</html>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class test : PageBase  //继承
{
private string CultureLang = "";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
lb1.Text = Resources.Resource.LoginTitle;//后台代码中使用
CultureLang = Session["PreferredCulture"].ToString().ToLower().Trim();
switch (CultureLang)
{
case "zh-cn":
this.ddlLanguage.Items.FindByText("简体中文").Selected = true;
Session["PreferredCulture"] = "zh-cn";
break;
case "en-us":
this.ddlLanguage.Items.FindByText("English").Selected = true;
Session["PreferredCulture"] = "en-us";
break;
case "fr":
this.ddlLanguage.Items.FindByText("France").Selected = true;
Session["PreferredCulture"] = "fr";
break;
default:
break;
}
//Response.Write(lb1.Text);
}
}

protected void ddlLanguage_SelectedIndexChanged(object sender, EventArgs e)
{
string value = ddlLanguage.SelectedItem.Value;
Session["PreferredCulture"] = value;
//重定向页面
Response.Redirect(Request.Url.PathAndQuery);
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Threading;
using System.Globalization;

/// <summary>
///PageBase 的摘要说明
/// </summary>
public class PageBase : System.Web.UI.Page
{
public PageBase()
{
//
//TODO: 在此处添加构造函数逻辑
//
}

protected override void InitializeCulture()
{
// 用Session来存储语言信息
if (Session["PreferredCulture"] == null) { Session["PreferredCulture"] = Request.UserLanguages[0]; }
string UserCulture = Session["PreferredCulture"].ToString();
if (UserCulture != "")
{
//根据Session的值重新绑定语言代码
Thread.CurrentThread.CurrentUICulture = new CultureInfo(UserCulture);
Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(UserCulture);
}
}
}

创建“App_LocalResources”文件夹，建立三个资源文件，同样三个LoginTitle键，值不一样，对应各自语种

CultureInfo 类参考 http://msdn.microsoft.com/zh-cn/library/system.globalization.cultureinfo(v=vs.80).aspx

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