From e2f9ee1e828870a6f09bb9027e1d901041fa81cb Mon Sep 17 00:00:00 2001
From: pzkn3atj5 <guoxuan2004@126.com>
Date: Fri, 26 May 2023 16:08:58 +0800
Subject: [PATCH] ADD file via upload

---
 db.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 db.py

diff --git a/db.py b/db.py
new file mode 100644
index 0000000..9e88789
--- /dev/null
+++ b/db.py
@@ -0,0 +1,45 @@
+"""
+
+代码功能：数据库链接与交互
+"""
+
+import pymysql
+import hashlib
+import Config as C
+
+global conn
+conn = None
+
+
+# 01获取数据库连接
+def conn_mysql():
+    conn = None
+    try:
+        conn = pymysql.connect(host=C.DB_HOST, port=3306, user=C.DB_USER, password=C.DB_PASSWORD, db=C.DB_NAME,
+                               charset='utf8')
+    except Exception as e:
+        print(e)
+    return conn
+
+
+# 02根据SQL语句操作数据库
+def sql_execute(sql):
+    global conn
+    if conn is None:
+        conn = conn_mysql()
+    cur = conn.cursor()
+    cur.execute(sql)
+    result = cur.fetchall()
+    cur.close()
+    return result
+
+
+# 03获取MD5加密结果
+def md5(text):
+    text = bytes(text, encoding='utf-8')
+    return hashlib.md5(text).hexdigest()
+
+
+if __name__ == "__main__":
+    str_md5 = md5("123456")
+    print('MD5加密后为 ：' + str_md5)