封装pymysql 当前位置: Home » python » 封装pymysql 1. 数据库配置文件：db/dbConfig.py ``` db_config={ 'host':'127.0.0.1', 'port':3306, 'user':'root', 'password':'root', 'database':'epin_copy', 'charset':'UTF8', } #header ``` <!--more--> 2. 封装文件 db/dbHandle ``` # coding:utf-8 import pymysql from db.dbConfig import db_config as df class dbHandle(): def __init__(self): try: self.conn = pymysql.connect(host=df['host'], port=df['port'], user=df['user'], password=df['password'], database=df['database'], charset=df['charset']) except: print("连接数据库失败") self.cur = self.conn.cursor() def dbClose(self): if self.conn and self.cur: self.cur.close() self.conn.close() def dbQueryLinks(self,sql): link_list = [] self.cur.execute(sql) data = self.cur.fetchall() return data def dbInsert(self, sql): try: self.cur.execute(sql) print("插入成功！！！") self.conn.commit() except Exception as e: print(e) print('插入失败！！！') def dbUpdate(self, sql): try: self.cur.execute(sql) print("更新状态成功！！！") self.conn.commit() except Exception as e: print(e) print('更新状态失败！！！') if __name__ == '__main__': #测试 dbHandle = dbHandle() data=dbHandle.dbQueryLinks() ```
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