一步步教你用 Python 构建一个网络扫描工具，快速识别网络中的设备

class NetworkScannerGUI:
    def __init__(self, master):
        self.master = master
        master.title("网络扫描器 v1.0")
        
        # 创建输入区域
        input_frame = ttk.Frame(master, padding="10")
        input_frame.pack(fill=tk.X)
        
        ttk.Label(input_frame, text="目标IP/网段:").grid(row=0, column=0, sticky=tk.W)
        self.ip_entry = ttk.Entry(input_frame, width=25)
        self.ip_entry.grid(row=0, column=1, padx=5)
        self.scan_button = ttk.Button(input_frame, text="开始扫描", command=self.start_scan)
        self.scan_button.grid(row=0, column=2, padx=5)
         # 新增提示标签
        ttk.Label(input_frame, text="输入示例：192.168.1.100（单个IP）或 192.168.1（网段）", 
                 foreground="gray").grid(row=1, column=0, columnspan=3, pady=5, sticky=tk.W)
        # 创建结果显示表格
        self.result_tree = ttk.Treeview(master, columns=('IP', 'MAC', '平台'), show='headings')
        self.result_tree.heading('IP', text='IP地址')
        self.result_tree.heading('MAC', text='MAC地址')
        self.result_tree.heading('平台', text='操作系统')
        self.result_tree.pack(expand=True, fill=tk.BOTH, padx=10, pady=5)
        
        # 进度条
        self.progress = ttk.Progressbar(master, mode='indeterminate')
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.

def validate_input(self, ip_str):
    """验证输入的IP格式"""
    if re.match(r"^\d{1,3}\.\d{1,3}\.\d{1,3}(\.\d{1,3})?$", ip_str):
        returnTrue
    messagebox.showerror("错误", "无效的IP地址格式！")
    returnFalse

def generate_targets(self, ip_str):
    """生成要扫描的目标列表"""
    if ip_str.count('.') == 3:  # 单个IP
        return [ip_str]
    # 添加网段格式验证
    if re.match(r"^\d{1,3}\.\d{1,3}\.\d{1,3}$", ip_str):
        return generate_ip_range(ip_str)
    messagebox.showerror("错误", "无效的网段格式！")
    return []
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.

def start_scan(self):
    """启动扫描线程"""
    target = self.ip_entry.get().strip()
    ifnot self.validate_input(target):
        return

    self.scan_button.config(state=tk.DISABLED)
    self.progress.pack(fill=tk.X, padx=10)
    self.progress.start()
    self.result_tree.delete(*self.result_tree.get_children())

    # 创建扫描线程
    scan_thread = threading.Thread(
        target=self.run_scan,
        args=(target,),
        daemnotallow=True
    )
    scan_thread.start()
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.

def scan_single_ip(ip):
    if ping_ip(ip):
        mac = get_mac(ip)
        platform_info = get_platform(ip)
        return {"ip": ip, "mac": mac, "platform": platform_info}
    return None
1.
2.
3.
4.
5.
6.

def scan_complete(self):
    """扫描完成处理"""
    self.progress.stop()
    self.progress.pack_forget()
    self.scan_button.config(state=tk.NORMAL)
    messagebox.showinfo("完成", "扫描任务已完成！")
1.
2.
3.
4.
5.
6.

pip install pyinstaller
1.

pyinstaller --onefile network_scanner.py
1.