天津河东做网站贵吗,关于校园网站的策划书,网站建设公司效益怎么样,正规网站建设方案详细目录 一、创建Web页面浏览器 1.示例源码 2.生成效果 二、局域网聊天程序 1.类 2.服务器端 3.客户端 一、创建Web页面浏览器 TextBox 控件用来输入要浏览的网页地址#xff0c;Button控件用来执行浏览网页操作#xff0c; WebBrowser控件用来显示要浏览的网页。这个控…目录 一、创建Web页面浏览器 1.示例源码 2.生成效果 二、局域网聊天程序 1.类 2.服务器端 3.客户端 一、创建Web页面浏览器 TextBox 控件用来输入要浏览的网页地址Button控件用来执行浏览网页操作 WebBrowser控件用来显示要浏览的网页。这个控件目前只能在.NET Framework 4.8下使用.NET8.0不支持了。 在使用WebBrowser 类时会占用大量资源当使用完后必须调用 Dispose() 方法以确保及时释放所有资源。 1.示例源码 // WebBrowser // 这个控件目前只能在.NET Framework 4.8下使用.NET8.0不支持了 // 在“网址”文本框中输入要浏览的网页地址 // 按Enter键或单击“转到”按钮即可浏览指定的网页。 using System; using System.Windows.Forms;namespace _WebBrowser {public partial class Form1 : Form{public Form1(){InitializeComponent();}private void WebBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e){}/// summary/// 创建一个Uri类型的变量用来存储要浏览的网页地址/// 在WebBrowser控件中显示指定的网页/// /summaryprivate void Button1_Click(object sender, EventArgs e){Uri address new Uri(textBox1.Text);webBrowser1.Url address;}private void Form1_Load(object sender, EventArgs e){label1.Text 网址;button1.Text 确定;Text WebBrowser;}private void TextBox1_KeyPress(object sender, KeyPressEventArgs e){if (e.KeyChar 13){if (textBox1.Text ! ){Button1_Click(sender, e); //判断是否按下Enter键}}}} }// Form1.Designer.cs namespace _WebBrowser {partial class Form1{/// summary/// 必需的设计器变量。/// /summaryprivate System.ComponentModel.IContainer components null;/// summary/// 清理所有正在使用的资源。/// /summary/// param namedisposing如果应释放托管资源为 true否则为 false。/paramprotected override void Dispose(bool disposing){if (disposing (components ! null)){components.Dispose();}base.Dispose(disposing);}#region Windows 窗体设计器生成的代码/// summary/// 设计器支持所需的方法 - 不要修改/// 使用代码编辑器修改此方法的内容。/// /summaryprivate void InitializeComponent(){this.label1 new System.Windows.Forms.Label();this.textBox1 new System.Windows.Forms.TextBox();this.button1 new System.Windows.Forms.Button();this.panel1 new System.Windows.Forms.Panel();this.webBrowser1 new System.Windows.Forms.WebBrowser();this.panel1.SuspendLayout();this.SuspendLayout();// // label1// this.label1.AutoSize true;this.label1.Location new System.Drawing.Point(10, 13);this.label1.Name label1;this.label1.Size new System.Drawing.Size(41, 12);this.label1.TabIndex 0;this.label1.Text label1;// // textBox1// this.textBox1.Location new System.Drawing.Point(63, 8);this.textBox1.Name textBox1;this.textBox1.Size new System.Drawing.Size(278, 21);this.textBox1.TabIndex 1;this.textBox1.KeyPress new System.Windows.Forms.KeyPressEventHandler(this.TextBox1_KeyPress);// // button1// this.button1.Location new System.Drawing.Point(347, 8);this.button1.Name button1;this.button1.Size new System.Drawing.Size(75, 23);this.button1.TabIndex 2;this.button1.Text button1;this.button1.UseVisualStyleBackColor true;this.button1.Click new System.EventHandler(this.Button1_Click);// // panel1// this.panel1.Controls.Add(this.webBrowser1);this.panel1.Location new System.Drawing.Point(12, 35);this.panel1.Name panel1;this.panel1.Size new System.Drawing.Size(410, 214);this.panel1.TabIndex 3;// // webBrowser1// this.webBrowser1.Dock System.Windows.Forms.DockStyle.Fill;this.webBrowser1.Location new System.Drawing.Point(0, 0);this.webBrowser1.MinimumSize new System.Drawing.Size(20, 20);this.webBrowser1.Name webBrowser1;this.webBrowser1.Size new System.Drawing.Size(410, 214);this.webBrowser1.TabIndex 4;// // Form1// this.AutoScaleDimensions new System.Drawing.SizeF(6F, 12F);this.AutoScaleMode System.Windows.Forms.AutoScaleMode.Font;this.ClientSize new System.Drawing.Size(434, 261);this.Controls.Add(this.panel1);this.Controls.Add(this.button1);this.Controls.Add(this.textBox1);this.Controls.Add(this.label1);this.Name Form1;this.StartPosition System.Windows.Forms.FormStartPosition.CenterScreen;this.Text Form1;this.Load new System.EventHandler(this.Form1_Load);this.panel1.ResumeLayout(false);this.ResumeLayout(false);this.PerformLayout();}#endregionprivate System.Windows.Forms.Label label1;private System.Windows.Forms.TextBox textBox1;private System.Windows.Forms.Button button1;private System.Windows.Forms.Panel panel1;private System.Windows.Forms.WebBrowser webBrowser1;} } 2.生成效果 二、局域网聊天程序 Windows窗体应用在解决方案下添加一个类和两个Windows窗体应用项目其中类文件用来封装接收信息和发送信息的方法两个Windows窗体应用项目分别用来作为聊天程序的服务器端和客户端。 框架.NET Framework 4.8无论什么框架可能会遇到MessageBox.Show 方法不被支持请按作者提供的方法去解决。 C#中的警告CS0120、CS0176、CS0183、CS0618、CS0649、CS8600、CS8601、CS8602、CS8604、CS8625、CS8618、CS0103及处理-CSDN博客  https://blog.csdn.net/wenchm/article/details/134606735?csdn_share_tail%7B%22type%22%3A%22blog%22%2C%22rType%22%3A%22article%22%2C%22rId%22%3A%22134606735%22%2C%22source%22%3A%22wenchm%22%7Dhttp://C#%E4%B8%AD%E7%9A%84%E8%AD%A6%E5%91%8ACS0120%E3%80%81CS0176%E3%80%81CS0183%E3%80%81CS0618%E3%80%81CS0649%E3%80%81CS8600%E3%80%81CS8601%E3%80%81CS8602%E3%80%81CS8604%E3%80%81CS8625%E3%80%81CS8618%E3%80%81CS0103%E5%8F%8A%E5%A4%84%E7%90%86-CSDN%E5%8D%9A%E5%AE%A2%20%20https://blog.csdn.net/wenchm/article/details/134606735?csdn_share_tail%7B%22type%22%3A%22blog%22%2C%22rType%22%3A%22article%22%2C%22rId%22%3A%22134606735%22%2C%22source%22%3A%22wenchm%22%7D .NET 8.0框架下我也重建了该项目遭遇到的MessageBox.ShowCS0103红色警告。百般折腾没有解决得了同样的问题。网友感兴趣的话可以试试如果解决了把经验分享一下。 1.类 // 聊天室解决方案下建立的公共类库 using System.Net.Sockets; using System.Net; using System.Text; using System; using System.Windows; using System.Windows.Forms;namespace StartListener {public class Class1{public const int port 11000;public void StartListener(){UdpClient udpclient new UdpClient(port);IPEndPoint ipendpoint new IPEndPoint(IPAddress.Any, port);try{while (true){//设置端口号//将网络端点表示为IP地址和端口号byte[] bytes udpclient.Receive(ref ipendpoint);string strlP 信息来自 ipendpoint.Address.ToString();string strlnfo Encoding.GetEncoding(gb2312).GetString(bytes, 0, bytes.Length);MessageBox.Show(strlnfo, strlP);}}catch (Exception e){MessageBox.Show(e.ToString());}finally{udpclient.Close();}}public static string Send(string strServer, string strContent){Socket socket new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);IPAddress ipaddress IPAddress.Parse(strServer); //将输入的字符串转换为IP地址 byte[] btContent Encoding.GetEncoding(gb2312).GetBytes(strContent); //将发送的内容存储到byte数组中IPEndPoint ipendpoint new IPEndPoint(ipaddress, 11000);socket.SendTo(btContent, ipendpoint);socket.Close();return 发送成功;}} }2.服务器端 // 服务器端要增加对公共类的引用 using StartListener; using System; using System.Windows.Forms;namespace ChatServer {public partial class Form1 : Form{readonly Class1 class1 new Class1();public Form1(){InitializeComponent();}/// summary/// 隐藏当前窗体//调用公共类中的方法接收信息/// /summaryprivate void Form1_Load(object sender, EventArgs e){Hide();class1.StartListener();}} }3.客户端 // 客户端端要增加对公共类的引用 using StartListener; using System.Diagnostics; using System; using System.Windows.Forms;namespace ChatClient {public partial class Form1 : Form{ Process myProcess;public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){myProcess Process.Start(Server.exe); //开启服务}private void Button1_Click(object sender, EventArgs e){string send Class1.Send(textBox1.Text, textBox2.Text);MessageBox.Show(send); //发送信息textBox2.Text string.Empty;textBox2.Focus();}private void TextBox1_KeyPress(object sender, KeyPressEventArgs e){if (e.KeyChar 13)textBox2.Focus();}private void TextBox2_KeyPress(object sender, KeyPressEventArgs e){if (e.KeyChar 13)button1.Focus();}private void Form1_FormClosing(object sender, FormClosingEventArgs e){myProcess.Kill();}} }// Form1.Designer.cs namespace ChatClient {partial class Form1{/// summary/// 必需的设计器变量。/// /summaryprivate System.ComponentModel.IContainer components null;/// summary/// 清理所有正在使用的资源。/// /summary/// param namedisposing如果应释放托管资源为 true否则为 false。/paramprotected override void Dispose(bool disposing){if (disposing (components ! null)){components.Dispose();}base.Dispose(disposing);}#region Windows 窗体设计器生成的代码/// summary/// 设计器支持所需的方法 - 不要修改/// 使用代码编辑器修改此方法的内容。/// /summaryprivate void InitializeComponent(){this.button1 new System.Windows.Forms.Button();this.label1 new System.Windows.Forms.Label();this.label2 new System.Windows.Forms.Label();this.textBox1 new System.Windows.Forms.TextBox();this.textBox2 new System.Windows.Forms.TextBox();this.SuspendLayout();// // button1// this.button1.Location new System.Drawing.Point(297, 12);this.button1.Name button1;this.button1.Size new System.Drawing.Size(75, 23);this.button1.TabIndex 0;this.button1.Text button1;this.button1.UseVisualStyleBackColor true;this.button1.Click new System.EventHandler(this.Button1_Click);// // label1// this.label1.AutoSize true;this.label1.Location new System.Drawing.Point(12, 23);this.label1.Name label1;this.label1.Size new System.Drawing.Size(41, 12);this.label1.TabIndex 1;this.label1.Text label1;// // label2// this.label2.AutoSize true;this.label2.Location new System.Drawing.Point(12, 55);this.label2.Name label2;this.label2.Size new System.Drawing.Size(41, 12);this.label2.TabIndex 2;this.label2.Text label2;// // textBox1// this.textBox1.Location new System.Drawing.Point(88, 14);this.textBox1.Name textBox1;this.textBox1.Size new System.Drawing.Size(203, 21);this.textBox1.TabIndex 3;this.textBox1.KeyPress new System.Windows.Forms.KeyPressEventHandler(this.TextBox1_KeyPress);// // textBox2// this.textBox2.Location new System.Drawing.Point(88, 46);this.textBox2.Multiline true;this.textBox2.Name textBox2;this.textBox2.Size new System.Drawing.Size(284, 203);this.textBox2.TabIndex 4;this.textBox2.KeyPress new System.Windows.Forms.KeyPressEventHandler(this.TextBox2_KeyPress);// // Form1// this.AutoScaleDimensions new System.Drawing.SizeF(6F, 12F);this.AutoScaleMode System.Windows.Forms.AutoScaleMode.Font;this.ClientSize new System.Drawing.Size(384, 261);this.Controls.Add(this.textBox2);this.Controls.Add(this.textBox1);this.Controls.Add(this.label2);this.Controls.Add(this.label1);this.Controls.Add(this.button1);this.Name Form1;this.StartPosition System.Windows.Forms.FormStartPosition.CenterScreen;this.Text Form1;this.FormClosing new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);this.Load new System.EventHandler(this.Form1_Load);this.ResumeLayout(false);this.PerformLayout();}#endregionprivate System.Windows.Forms.Button button1;private System.Windows.Forms.Label label1;private System.Windows.Forms.Label label2;private System.Windows.Forms.TextBox textBox1;private System.Windows.Forms.TextBox textBox2;} }