大家好，又见面了，我是全栈君，今天给大家准备了Idea注册码。
login.aspx码，如以下：
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”Sample_chat_login.aspx.cs” Inherits=”Sample_chart_login” %>
<!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></title> <style type=”text/css” > body { width:780px; margin:0px auto;} form { width:400px; margin:0px auto;} h3 { margin:10px; padding:10px; text-align:center;} p.tc { text-align:center; } </style> </head> <body> <form id=”form1″ runat=”server” defaultbutton=”Button1″ defaultfocus=”txt_id”> <div> <h3>聊天室登录</h3>
<div> <p class=”tc”> <span >username：</span> <asp:TextBox ID=”txt_id” runat=”server”></asp:TextBox> </p> <p class=”tc”> <asp:Button ID=”Button1″ runat=”server” Text=”登录聊天室” onclick=”Button1_Click” /> </p> </div> </div> </form> </body> </html>
login.aspx.cs代码例如以下：
代码语言：javascript复制using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Sample_chart_login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
//记录session: 当前username
//跳转至聊天室页面
if (txt_id.Text != "") {
Session["s_id"] = txt_id.Text;
Server.Transfer("Sample_chat_room.aspx");
}
}
}room.aspx代码例如以下：
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”Sample_chat_room.aspx.cs” Inherits=”Sample_chat_room” %>
<!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></title> <style type=”text/css” > body { width:780px; margin:0px auto;} h3 { margin:10px; padding:10px; text-align:center;} p.tc { text-align:center; } #pnl_chat { margin:10px; padding:10px; border:1px solid #dadada; height:300px; } #div_ctls { margin:10px; padding:10px; border:1px solid #dadade; } </style>
</head> <body > <form id=”form1″ runat=”server” defaultbutton=”Button1″ defaultfocus=”txt_word”> <div> <h3>简易聊天室</h3> <asp:Panel ID=”pnl_chat” runat=”server” ScrollBars=”Vertical”> </asp:Panel> <div id=”div_ctls”> <p> <asp:TextBox ID=”txt_word” runat=”server” Width=”400″></asp:TextBox> <asp:Button ID=”Button1″ runat=”server” Text=”发送” onclick=”Button1_Click” /> <asp:Button ID=”Button2″ runat=”server” Text=”刷新聊天记录” /> <asp:Button ID=”Button4″ runat=”server” Text=”清空” onclick=”Button4_Click” /> <asp:Button ID=”Button3″ runat=”server” Text=”退出聊天” onclick=”Button3_Click” /> </p>
<p> <span>选择我的颜色：</span> <asp:DropDownList ID=”ddl_color” runat=”server”> <asp:ListItem Value=”#666666″>默认</asp:ListItem> <asp:ListItem Value=”red”>红色</asp:ListItem> <asp:ListItem Value=”green”>绿色</asp:ListItem> <asp:ListItem Value=”blue”>蓝色</asp:ListItem> </asp:DropDownList>
</p> </div>
</div> </form> </body> </html>
room.aspx.cs代码例如以下：
代码语言：javascript复制using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Sample_chat_room : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//检測session是否存在，假设没有session值，返回登录页面
if (Session["s_id"] == "" || Session["s_id"] == null) {
Response.Redirect("Sample_chat_login.aspx");
}
//假设还没有Application["chat"]则创建。假设有则写入panel
if (Application["chat"] != null)
{
pnl_chat.Controls.Add((Panel)Application["chat"]);
}
else
{
Panel _pnl = new Panel();
Application["chat"] = _pnl;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
if(txt_word.Text !="") { // 注意：实际应用中，文本框是否为空，都应在前台进行检測；
Label lab_name = new Label();
lab_name.Text = Session["s_id"].ToString() "[" DateTime.Now.ToLongTimeString() "]:";
Label lab_word = new Label();
lab_word.Style.Add("color", ddl_color.SelectedValue);
lab_word.Text = txt_word.Text;
Literal br = new Literal();
br.Text = "<br/>";
Panel _apppnl = (Panel)Application["chat"];
_apppnl.Controls.AddAt(0, br);
_apppnl.Controls.AddAt(0, lab_word);
_apppnl.Controls.AddAt(0, lab_name);
//_apppnl.Controls.Add(lab_name);
//_apppnl.Controls.Add(lab_word);
//_apppnl.Controls.Add(br);
Application.Lock();
Application["chat"] = _apppnl;
Application.UnLock();
//清空文本框
txt_word.Text = "";
pnl_chat.Controls.Add((Panel)Application["chat"]);
}
}
protected void Button3_Click(object sender, EventArgs e)
{
Session.Remove("s_id");
Response.Redirect("Sample_chat_login.aspx");
}
protected void Button2_Click(object sender, EventArgs e)
{
}
protected void Button4_Click(object sender, EventArgs e)
{
Application.Lock();
Application.Remove("chat");
Application.UnLock();
Server.Transfer("Sample_chat_room.aspx");
}
}
版权声明：本文博客原创文章，博客，未经同意，不得转载。
发布者：全栈程序员栈长，转载请注明出处：https://javaforall.cn/117679.html原文链接：https://javaforall.cn
