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  • 封装pyMysql

    #!/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');

    写的第一个python module,感觉就是用方法呼叫

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  • 原文地址:https://www.cnblogs.com/aboys/p/3287408.html
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