資料庫連結及其游標和資料操作方法

Author: QueenieCplusplus

MySQL.py

@@ -0,0 +1,36 @@
+# 2019.1/1.16:50, by Queenie Chen
+
+from urllib.request import urlopen
+from bs4 import BeautifulSoup
+import re
+import pymysql
+from random import shuffle
+
+conn = pymysql.connect(host='127.0.0.1', unix_socket='/tmp/mysql.sock', user='root', passwd=None, db='mysql', charset='utf8')
+cur = conn.cursor
+
+cur.execute('') #內裝載mySQL指令
+
+def insertPageIfNotExists(url):
+    cur.execute('')
+    if cur.rowcount == 0:
+        cur.execute('')
+        conn.commit()
+        return cur.lastrowid
+    else:
+        return cur.fetchnon()[0]
+
+def loadPage():
+    cur.execute()
+    pages = [row[1] for row in cur.fetchall()]
+    return pages
+
+def inserLink(fromPageId, toPageId):
+    cur.execute()
+    if cur.rowcount == 0:
+        cur.execute()
+        conn.commit()
+
+cur.close()
+conn.close()
+