diff --git a/.idea/learn_demo.iml b/.idea/learn_demo.iml
index 2c80e12..6cb8b9a 100644
--- a/.idea/learn_demo.iml
+++ b/.idea/learn_demo.iml
@@ -4,7 +4,7 @@
-
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index fa1b4f2..8755c54 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,5 +3,5 @@
-
+
\ No newline at end of file
diff --git a/basic_learn/input函数.py b/basic_learn/input函数.py
new file mode 100644
index 0000000..6ad857b
--- /dev/null
+++ b/basic_learn/input函数.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : input函数.py
+@Author : lichao
+@Date : 2024/11/19 15:36
+@Software : PyCharm
+"""
+# input() 函数用于接收用户输入的数据，返回值为字符串类型。
+
+name = input('请输入姓名：')
+age = input('请输入年龄：')
+print(f'姓名：{name}，年龄：{age}')
+
diff --git a/basic_learn/列表.py b/basic_learn/列表.py
new file mode 100644
index 0000000..8a65275
--- /dev/null
+++ b/basic_learn/列表.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : 列表.py
+@Author : lichao
+@Date : 2024/11/26 17:06
+@Software : PyCharm
+"""
+
+# 创建列表的两种方式
+# 1.使用[]创建
+list1 = [1,2,3,4,5]
+
+list1.append(6)
+
+# 2.使用list()创建
+list2 = list('hello')
+
+print(list1,list2)
+
+# 3.使用+ 连接两个列表
+list3 = list1 + list2
+print(list3)
+
+
+# 使用 + 不改变原列表, 使用+= 更改原列表
+# 使用append()改变原列表
\ No newline at end of file
diff --git a/basic_learn/占位符.py b/basic_learn/占位符.py
new file mode 100644
index 0000000..d607eaf
--- /dev/null
+++ b/basic_learn/占位符.py
@@ -0,0 +1,11 @@
+# 变量占位符
+name = 'lichao'
+age = 25
+money = 9.535
+
+# 一种用法
+print("姓名：%s，年龄：%d，余额：%.2f" % (name, age, money))
+
+#py 3.6以上的版本可以使用
+print(f"姓名：{name}，年龄：{age}，余额：{money:.2f}")
+
diff --git a/basic_learn/字符串切片.py b/basic_learn/字符串切片.py
new file mode 100644
index 0000000..bcacbf6
--- /dev/null
+++ b/basic_learn/字符串切片.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : 字符串切片.py
+@Author : lichao
+@Date : 2024/11/20 15:41
+@Software : PyCharm
+"""
+
+string = 'abcdef'
+
+# 左闭右开
+print(string[1:3]) # bc
+
+print(string[2:]) # cdef
+
+# 负数索引表示从右往左
+print(string[:-1]) # abcde
+
+# 省略索引，表示全部
+print(string[:]) # abcdef
+
+# 步长 第三个参数 ，间隔为 步长 - 1
+print(string[::2]) # ace
+print(string[:4:3]) # ad
+
+# 步长为负数，表示从右往左，开始要大于结束
+
+print(string[4:1:-1]) # edc
+
+# 字符串倒序
+print(string[::-1]) # fedcba
\ No newline at end of file
diff --git a/basic_learn/字符串方法.py b/basic_learn/字符串方法.py
new file mode 100644
index 0000000..e511e63
--- /dev/null
+++ b/basic_learn/字符串方法.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : 字符串方法.py
+@Author : lichao
+@Date : 2024/11/20 16:01
+@Software : PyCharm
+"""
+
+string_data = 'testData'
+
+print(string_data.find('D',0,1)) # -1
+
+print(string_data.count('a'))
+
+print(string_data.replace('a', 'A',1)) # testDAta
+
+string_data2 = 'a,b,c,d,e'
+
+print(string_data2.split(',')) # ['a', 'b', 'c', 'd', 'e']
+
+string_data3 = ' hello '
+
+print(string_data3.strip()) # hello
+
+string_data4 = '12313aaa'
+
+print(string_data4.isdigit()) # false
+print(string_data4.isalnum()) # True
+
+symbol = ','
+strings = ['a','b','c','d','e']
+print(symbol.join(strings)) # a,b,c,d,e
\ No newline at end of file
diff --git a/basic_learn/打印99乘法表.py b/basic_learn/打印99乘法表.py
new file mode 100644
index 0000000..b775674
--- /dev/null
+++ b/basic_learn/打印99乘法表.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : 打印99乘法表.py
+@Author : lichao
+@Date : 2024/11/26 17:03
+@Software : PyCharm
+"""
+
+for i in range(1, 10):
+ for j in range(1, i + 1):
+ print(f' {i * j}', end=' ')
+ print()
\ No newline at end of file
diff --git a/downloadImage/download_images.py b/downloadImage/download_images.py
new file mode 100644
index 0000000..6aed5f1
--- /dev/null
+++ b/downloadImage/download_images.py
@@ -0,0 +1,55 @@
+import requests
+import os
+import math
+from dotenv import load_dotenv
+
+load_dotenv()
+# 获取用户输入的 API 密钥和搜索关键字
+search_query = input("请输入你想搜索的图片类型：")
+total_images = int(input("请输入你想下载的图片数量："))
+
+# 设置基本参数
+params = {
+ 'key': os.getenv('API_KEY'),
+ 'q': search_query,
+ 'image_type': 'photo',
+ 'pretty': 'true',
+ 'per_page': 200 # 每页最多下载 200 张图片
+}
+
+# 计算需要的页数
+images_per_page = params['per_page']
+num_pages = math.ceil(total_images / images_per_page)
+
+# 创建保存图片的目录
+save_dir = f'./Pixabay_{search_query}_Images'
+if not os.path.exists(save_dir):
+ os.makedirs(save_dir)
+
+# 定义函数用于下载每页的图片
+def download_images(page_number, remaining_images):
+ params['page'] = page_number
+ response = requests.get('https://pixabay.com/api/', params=params)
+ data = response.json()
+
+ if 'hits' in data:
+ for i, image in enumerate(data['hits']):
+ if remaining_images <= 0:
+ break
+ img_url = image['webformatURL']
+ img_data = requests.get(img_url).content
+ img_path = os.path.join(save_dir, f"{search_query}_page_{page_number}_img_{i + 1}.jpg")
+ with open(img_path, 'wb') as file:
+ file.write(img_data)
+ remaining_images -= 1
+ print(f"已下载：{img_path}")
+ else:
+ print(f"在第 {page_number} 页没有找到相关图片。")
+ return remaining_images
+
+# 下载图片直到总数达到用户指定的数量
+remaining_images = total_images
+for page in range(1, num_pages + 1):
+ remaining_images = download_images(page, remaining_images)
+ if remaining_images <= 0:
+ break
\ No newline at end of file
diff --git a/downloadImage/image_spilder.py b/downloadImage/image_spilder.py
new file mode 100644
index 0000000..a8885ab
--- /dev/null
+++ b/downloadImage/image_spilder.py
@@ -0,0 +1,56 @@
+import os
+import requests
+from bs4 import BeautifulSoup
+from urllib.parse import urljoin
+
+
+# 创建保存图片的目录
+def create_directory(directory):
+ if not os.path.exists(directory):
+ os.makedirs(directory)
+
+
+# 下载图片
+def download_image(url, folder_path):
+ try:
+ response = requests.get(url, stream=True)
+ if response.status_code == 200:
+ # 从URL中获取文件名
+ filename = os.path.join(folder_path, url.split("/")[-1])
+ with open(filename, 'wb') as file:
+ for chunk in response.iter_content(1024):
+ file.write(chunk)
+ print(f"图片下载成功: {filename}")
+ else:
+ print(f"图片下载失败: {url}")
+ except Exception as e:
+ print(f"下载过程中出现错误: {e}")
+
+
+# 爬取网页中的图片
+def scrape_images(url, folder_path="downloaded_images"):
+ create_directory(folder_path)
+
+ # 发送HTTP请求获取网页内容
+ response = requests.get(url)
+ soup = BeautifulSoup(response.text, 'html.parser')
+
+ # 查找所有![]()
标签
+ img_tags = soup.find_all('img')
+
+ # 遍历所有图片标签，获取图片URL并下载
+ for img in img_tags:
+ img_url = img.get('src')
+ if not img_url:
+ continue
+
+ # 转换为绝对URL（有些网站使用相对路径）
+ img_url = urljoin(url, img_url)
+
+ # 下载图片
+ download_image(img_url, folder_path)
+
+
+# 示例使用
+url = "https://lcdd.net" # 你想要爬取的网页URL
+scrape_images(url)
diff --git a/getDomain.py b/getDomain.py
new file mode 100644
index 0000000..5b891c0
--- /dev/null
+++ b/getDomain.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : getDomain.py
+@Author : lichao
+@Date : 2024/11/25 16:09
+@Software : PyCharm
+"""
+
+import whois
+import concurrent.futures
+from get_Combine import generate_combinations
+
+
+def check_domain_registration(domain):
+ try:
+ # 使用 whois 查询域名信息
+ domain_info = whois.whois(domain)
+
+ # 如果是 .de 域名，直接检查 Status 字段
+ if domain.endswith(".de"):
+ status_line = domain_info.get('status', '').lower()
+ if 'free' in status_line:
+ return (domain, False) # 域名未注册
+ else:
+ return (domain, True) # 域名已注册
+
+ # 判断返回的数据是否为空，通常空数据表示域名未注册
+ if domain_info is None or not domain_info.domain_name:
+ return (domain, False)
+ else:
+ return (domain, True)
+
+ except Exception as e:
+ # 捕获任何异常并处理未注册的情况
+ return (domain, False)
+
+
+def check_domains_in_parallel(domains):
+ results = []
+
+ # 使用 ThreadPoolExecutor 进行并行查询
+ with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
+ # 提交所有查询任务
+ future_to_domain = {executor.submit(check_domain_registration, domain): domain for domain in domains}
+
+ # 获取查询结果
+ for future in concurrent.futures.as_completed(future_to_domain):
+ domain = future_to_domain[future]
+ try:
+ result = future.result()
+ results.append(result)
+ except Exception as exc:
+ print(f"{domain} 产生了一个异常: {exc}")
+
+ return results
+
+# strings = generate_combinations(1,'.de')
+#
+# print(len(strings),strings)
+
+# 测试例子
+domains_to_check = [
+ ".de",
+]
+
+# 并行查询
+results = check_domains_in_parallel(domains_to_check)
+
+# 打印结果
+for domain, is_registered in results:
+ if is_registered:
+ print(f"域名 {domain} 已被注册。")
+ else:
+ print(f"域名 {domain} 未被注册。")
+
diff --git a/get_Combine.py b/get_Combine.py
new file mode 100644
index 0000000..849c4d3
--- /dev/null
+++ b/get_Combine.py
@@ -0,0 +1,46 @@
+from itertools import combinations
+
+
+def generate_combinations(n, suffix):
+ # 所有可能的单个字母
+ letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+
+ # 对 n=1 的特殊处理
+ if n == 1:
+ return [c + suffix for c in letters]
+
+ # 1. n 个字母完全相同的组合
+ repeated_combinations = [c * n for c in letters]
+
+ # 2. (n-1) 个字母相同，一个不同的组合 (仅当 n > 1)
+ double_repeats = []
+ if n > 1:
+ for c1 in letters:
+ for c2 in letters:
+ if c1 != c2:
+ # 确保字母按字母表顺序排列，避免重复
+ combination = ''.join(sorted([c1] * (n - 1) + [c2]))
+ if combination not in double_repeats:
+ double_repeats.append(combination)
+
+ # 3. n 个字母不完全相同的组合 (仅当 n > 1)
+ unique_combinations = []
+ if n > 1:
+ unique_combinations = [''.join(sorted(comb)) for comb in combinations(letters, n) if len(set(comb)) == n]
+
+ # 合并所有组合
+ all_combinations = repeated_combinations + double_repeats + unique_combinations
+
+ # 将所有组合拼接后缀
+ final_combinations = [combo + suffix for combo in all_combinations]
+
+ return final_combinations
+
+if __name__ == '__main__':
+ n = 2 # 可以输入不同的长度
+ suffix = '.de' # 可以输入不同的后缀
+
+ # 生成组合并打印
+ combinations = generate_combinations(n, suffix)
+ print(combinations)
+ print(f"生成的组合数量: {len(combinations)}")
diff --git a/simple.py b/simple.py
new file mode 100644
index 0000000..0f9ba6e
--- /dev/null
+++ b/simple.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@File : simple.py
+@Author : lichao
+@Date : 2024/11/25 16:39
+@Software : PyCharm
+"""
+
+import requests
+import string
+
+
+def gen_combos():
+ chars = string.ascii_lowercase + string.digits
+ combos = []
+ for char1 in chars:
+ for char2 in chars:
+ for char3 in chars:
+ combos.append(char1 + char2 + char3)
+ return combos
+
+
+def find(base_url, combos):
+ for combo in combos:
+ url = f"{base_url}{combo}.de"
+ print(combo, end="")
+ try:
+ response = requests.get(url)
+ if "is free and available for registration." in response.text:
+ print(".de 可注册")
+ else:
+ print()
+ except requests.RequestException as e:
+ print(e)
+
+
+def main():
+ base_url = "https://webwhois.denic.de/?lang=en&query="
+ combos = gen_combos()
+ find(base_url, combos)
+
+
+if __name__ == "__main__":
+ main()
\ No newline at end of file