上传文件至「/」

testLine.py

@@ -0,0 +1,41 @@
+import pymysql
+
+# 创建数据库连接
+db = pymysql.connect(
+    host="localhost",
+    user="root",
+    passwd="123456",
+    database="ai0824"
+)
+print('数据库连接成功!')
+
+# 1.创建游标对象
+cursor =db.cursor()
+# 2.执行sql查询语句
+# cursor.execute("select * from ai0824_student")
+# results =  cursor.fetchall()
+# for row in results:
+#     print(row)
+# print(f'获取的所有结果为:{results}')
+# 3.执行sql插入语句
+# sql = "insert into test0905 values(%s,%s)"
+# l = [(1,'张三'),(2,'李四'),(4,'赵六')]
+# cursor.execute(sql, l)
+# cursor.executemany(sql, l)
+# db.commit()
+# 4.执行update更新语句
+# sql = "update test0905 set name = %s where id = %s"
+# values=('李四',2)
+# cursor.execute(sql,('李四',2))
+# db.commit()
+# print(cursor.rowcount,'条记录更新成功')
+# 5.执行sql删除语句
+# sql = "delete from test0905 where id = %s"
+# values= 2
+# cursor.execute(sql,2)
+# db.commit()
+# print(cursor.rowcount,'条记录删除成功')
+
+db.close()
+cursor.close()
+print("数据库连接已关闭!")