Created
September 1, 2013 07:36
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From http://www.cnblogs.com/aboys/p/3287408.html
封装的Mysql
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#!/usr/bin/python | |
import MySQLdb | |
class SpiderPDO: | |
def __init__(self): | |
db_host = '127.0.0.1' | |
db_user = 'root' | |
db_pass = '666666' | |
db_name = 'db01' | |
conn = MySQLdb.connect(db_host, db_user, db_pass, db_name, charset = 'utf8') | |
self.cursor = conn.cursor(cursorclass = MySQLdb.cursors.DictCursor) | |
def execute(self, sql, params = None): | |
return self.cursor.execute(sql, params) | |
def fetch(self, sql, params = None): | |
self.execute(sql, params) | |
return self.cursor.fetchone() | |
def fetchall(self, sql, params = None): | |
self.execute(sql, params) | |
return self.cursor.fetchall() | |
def close(self): | |
return self.cursor.close() | |
pdo = SpiderPDO() | |
def execute(sql, params = None): | |
if params: | |
sql = prepare(sql) | |
return pdo.execute(sql, params) | |
def fetch(sql, params = None): | |
if params: | |
sql = prepare(sql) | |
return pdo.fetch(sql, params) | |
def fetchall(sql, params = None): | |
if params: | |
sql = prepare(sql) | |
return pdo.fetchall(sql, params) | |
def close(): | |
pdo.close() | |
def prepare(sql): | |
return sql.replace('?', '%s'); |
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