C#--winForm--简单串口软件

男娘i 2023-02-26 14:23 226阅读 0赞

之前一直都是用Qt写的一些串口小工具，使用各种工具打包生成exe执行文件，再小的功能打个包也是10MB起步。在很多Windows是电脑上还跑不起来。现在用宇宙第一IDE编写的小工具，不需要第三方打包工具直接生成.exe文件才十几K，而且兼容性极高。

布局图：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI4ODc3MTI1_size_16_color_FFFFFF_t_70]  
Form1.cs

using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    using System.IO.Ports;
    
    namespace SerialTest
    { 
        public partial class Form1 : Form
        { 
            public Form1()
            { 
                InitializeComponent();
    
                System.Windows.Forms.Control.CheckForIllegalCrossThreadCalls = false;
            }
    
    
            /*用户自定义更新可用串口函数*/
            private void Updata_Serialport_Name(ComboBox comboBox)
            { 
                string[] ArryPort = SerialPort.GetPortNames();  //定义字符串数组，数组名为 ArryPort
                                                                
                comboBox.Items.Clear();       //清除当前组合框下拉菜单内容 
    
                for (int i = 0; i < ArryPort.Length; i++)
                { 
                    comboBox.Items.Add(ArryPort[i]);   //将所有的可用串口号添加到 端口 对应的组合框中
                }
            }
    
            private void Form1_Load(object sender, EventArgs e)
            { 
                Updata_Serialport_Name(portCbm);  //调用更新可用串口函数，comboBox1为 端口 组合框名字
    
                connBtn.Text = "打开串口";     // 确保 “打开串口”按键文本属性为 “打开串口”
            }
    
            private void connBtn_Click(object sender, EventArgs e)
            { 
                if (connBtn.Text == "打开串口")     //如当前是串口设备是关闭状态
                { 
                    try                             //try 是尝试部分 ，如果尝试过程中出现问题，进入 catch部分，执行错误处理代码 
                    { 
                        serialPort1.PortName = portCbm.Text;                   //将串口设备的串口号属性设置为 comboBox1复选框中选择的串口号
                        serialPort1.BaudRate = Convert.ToInt32(baudCbm.Text);  //将串口设备的波特率属性设置为 comboBox2复选框中选择的波特率
                        serialPort1.Open();     //打开串口，如果打开了继续向下执行，如果失败了，跳转至catch部分
    
                        portCbm.Enabled = false;   //串口已经打开了，将comboBox1设置为不可操作
                        baudCbm.Enabled = false;   //串口已经打开了，将comboBox2设置为不可操作
    
                        connBtn.BackColor = Color.Red;   //将串口开关按键的颜色，改为红色
                        connBtn.Text = "关闭串口";      //将串口开关按键的文字改为 “关闭串口”
                    }
                    catch
                    { 
                        MessageBox.Show("打开串口失败，请检查串口", "错误");   //弹出错误对话框
                    }
                }
                else              //如果当前串口设备是打开状态
                { 
                    try
                    { 
                        serialPort1.Close();    //关闭串口
    
                        portCbm.Enabled = true;   //串口已经关闭了，将comboBox1设置为可操作
                        baudCbm.Enabled = true;   //串口已经关闭了，将comboBox2设置为可操作
    
                        connBtn.BackColor = Color.Lime;   //将串口开关按键的颜色，改为青绿色
    
                        connBtn.Text = "打开串口";    //将串口开关按键的文字改为 “打开串口”
                    }
                    catch
                    { 
                        MessageBox.Show("关闭串口失败，请检查串口", "错误");   //弹出错误对话框
                    }
                }
            }
    
            private void disConnBtn_Click(object sender, EventArgs e)
            { 
    
            }
    
            private void sendBtn_Click(object sender, EventArgs e)
            { 
                if (serialPort1.IsOpen)    //如果串口设备已经打开了
                { 
                    char[] str = new char[1];  //定义一个字符数组，只有一位
    
                    try
                    { 
                        for (int i = 0; i < sendTextBox.Text.Length; i++)
                        { 
                            str[0] = Convert.ToChar(sendTextBox.Text.Substring(i, 1));  //取待发送文本框中的第i个字符
                            serialPort1.Write(str, 0, 1);     //写入串口设备进行发送
                        }
                    }
                    catch
                    { 
                        MessageBox.Show("串口字符写入错误!", "错误");   //弹出发送错误对话框
    
                        serialPort1.Close();             //关闭串口
    
                        connBtn.BackColor = Color.Lime;   //将串口开关按键的颜色，改为青绿色
    
                        connBtn.Text = "打开串口";    //将串口开关按键的文字改为 “打开串口”
                    }
                }
            }
    
            private void timer1_Tick(object sender, EventArgs e)
            { 
                Updata_Serialport_Name(portCbm);
            }
    
            private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
            { 
    
                string str = serialPort1.ReadExisting();   //读取串口接收缓冲区字符串
    
                recvTextBox.AppendText(str + "");             //在接收文本框中进行显示
    
            }
        }
    }

Form.Designer.cs

namespace SerialTest
    { 
        partial class Form1
        { 
            /// <summary>
            /// 必需的设计器变量。
            /// </summary>
            private System.ComponentModel.IContainer components = null;
    
            /// <summary>
            /// 清理所有正在使用的资源。
            /// </summary>
            /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
            protected 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。
            /// </summary>
            private void InitializeComponent()
            { 
                this.components = new System.ComponentModel.Container();
                this.timer1 = new System.Windows.Forms.Timer(this.components);
                this.serialPort1 = new System.IO.Ports.SerialPort(this.components);
                this.groupBox1 = new System.Windows.Forms.GroupBox();
                this.disConnBtn = new System.Windows.Forms.Button();
                this.label2 = new System.Windows.Forms.Label();
                this.label1 = new System.Windows.Forms.Label();
                this.baudCbm = new System.Windows.Forms.ComboBox();
                this.portCbm = new System.Windows.Forms.ComboBox();
                this.connBtn = new System.Windows.Forms.Button();
                this.recvTextBox = new System.Windows.Forms.TextBox();
                this.sendTextBox = new System.Windows.Forms.TextBox();
                this.sendBtn = new System.Windows.Forms.Button();
                this.groupBox1.SuspendLayout();
                this.SuspendLayout();
                // 
                // timer1
                // 
                this.timer1.Interval = 500;
                this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
                // 
                // serialPort1
                // 
                this.serialPort1.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(this.serialPort1_DataReceived);
                // 
                // groupBox1
                // 
                this.groupBox1.Controls.Add(this.disConnBtn);
                this.groupBox1.Controls.Add(this.label2);
                this.groupBox1.Controls.Add(this.label1);
                this.groupBox1.Controls.Add(this.baudCbm);
                this.groupBox1.Controls.Add(this.portCbm);
                this.groupBox1.Controls.Add(this.connBtn);
                this.groupBox1.Location = new System.Drawing.Point(13, 22);
                this.groupBox1.Name = "groupBox1";
                this.groupBox1.Size = new System.Drawing.Size(191, 416);
                this.groupBox1.TabIndex = 0;
                this.groupBox1.TabStop = false;
                this.groupBox1.Text = "设置";
                // 
                // disConnBtn
                // 
                this.disConnBtn.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
                this.disConnBtn.Location = new System.Drawing.Point(30, 343);
                this.disConnBtn.Name = "disConnBtn";
                this.disConnBtn.Size = new System.Drawing.Size(120, 40);
                this.disConnBtn.TabIndex = 5;
                this.disConnBtn.Text = "关闭串口";
                this.disConnBtn.UseVisualStyleBackColor = true;
                this.disConnBtn.Click += new System.EventHandler(this.disConnBtn_Click);
                // 
                // label2
                // 
                this.label2.AutoSize = true;
                this.label2.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
                this.label2.Location = new System.Drawing.Point(6, 109);
                this.label2.Name = "label2";
                this.label2.Size = new System.Drawing.Size(61, 23);
                this.label2.TabIndex = 4;
                this.label2.Text = "波特率";
                // 
                // label1
                // 
                this.label1.AutoSize = true;
                this.label1.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
                this.label1.Location = new System.Drawing.Point(6, 61);
                this.label1.Name = "label1";
                this.label1.Size = new System.Drawing.Size(44, 23);
                this.label1.TabIndex = 3;
                this.label1.Text = "端口";
                // 
                // baudCbm
                // 
                this.baudCbm.FormattingEnabled = true;
                this.baudCbm.Items.AddRange(new object[] { 
                "115200"});
                this.baudCbm.Location = new System.Drawing.Point(76, 106);
                this.baudCbm.Name = "baudCbm";
                this.baudCbm.Size = new System.Drawing.Size(105, 23);
                this.baudCbm.TabIndex = 2;
                // 
                // portCbm
                // 
                this.portCbm.FormattingEnabled = true;
                this.portCbm.Location = new System.Drawing.Point(76, 58);
                this.portCbm.Name = "portCbm";
                this.portCbm.Size = new System.Drawing.Size(105, 23);
                this.portCbm.TabIndex = 1;
                // 
                // connBtn
                // 
                this.connBtn.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
                this.connBtn.Location = new System.Drawing.Point(30, 270);
                this.connBtn.Name = "connBtn";
                this.connBtn.Size = new System.Drawing.Size(120, 40);
                this.connBtn.TabIndex = 0;
                this.connBtn.Text = "打开串口";
                this.connBtn.UseVisualStyleBackColor = true;
                this.connBtn.Click += new System.EventHandler(this.connBtn_Click);
                // 
                // recvTextBox
                // 
                this.recvTextBox.Location = new System.Drawing.Point(226, 35);
                this.recvTextBox.Multiline = true;
                this.recvTextBox.Name = "recvTextBox";
                this.recvTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
                this.recvTextBox.Size = new System.Drawing.Size(549, 308);
                this.recvTextBox.TabIndex = 1;
                // 
                // sendTextBox
                // 
                this.sendTextBox.Location = new System.Drawing.Point(226, 365);
                this.sendTextBox.Multiline = true;
                this.sendTextBox.Name = "sendTextBox";
                this.sendTextBox.Size = new System.Drawing.Size(421, 52);
                this.sendTextBox.TabIndex = 2;
                // 
                // sendBtn
                // 
                this.sendBtn.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
                this.sendBtn.Location = new System.Drawing.Point(682, 365);
                this.sendBtn.Name = "sendBtn";
                this.sendBtn.Size = new System.Drawing.Size(93, 52);
                this.sendBtn.TabIndex = 3;
                this.sendBtn.Text = "发送";
                this.sendBtn.UseVisualStyleBackColor = true;
                this.sendBtn.Click += new System.EventHandler(this.sendBtn_Click);
                // 
                // Form1
                // 
                this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 15F);
                this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
                this.ClientSize = new System.Drawing.Size(800, 450);
                this.Controls.Add(this.sendBtn);
                this.Controls.Add(this.sendTextBox);
                this.Controls.Add(this.recvTextBox);
                this.Controls.Add(this.groupBox1);
                this.Name = "Form1";
                this.Text = "Form1";
                this.Load += new System.EventHandler(this.Form1_Load);
                this.groupBox1.ResumeLayout(false);
                this.groupBox1.PerformLayout();
                this.ResumeLayout(false);
                this.PerformLayout();
    
            }
    
            #endregion
    
            private System.Windows.Forms.Timer timer1;
            private System.IO.Ports.SerialPort serialPort1;
            private System.Windows.Forms.GroupBox groupBox1;
            private System.Windows.Forms.Button disConnBtn;
            private System.Windows.Forms.Label label2;
            private System.Windows.Forms.Label label1;
            private System.Windows.Forms.ComboBox baudCbm;
            private System.Windows.Forms.ComboBox portCbm;
            private System.Windows.Forms.Button connBtn;
            private System.Windows.Forms.TextBox recvTextBox;
            private System.Windows.Forms.TextBox sendTextBox;
            private System.Windows.Forms.Button sendBtn;
        }
    }

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