芝麻HTTP：

    def process_item(self, item, spider):
        if isinstance(item, WhoscoredNewItem):
            table_name = item.pop('table_name')
            col_str = ''
            row_str = ''
            for key in item.keys():
                col_str = col_str + " " + key + ","
                row_str = "{}'{}',".format(row_str, item[key] if "'" not in item[key] else item[key].replace("'", "\\'"))
                sql = "insert INTO {} ({}) VALUES ({}) ON DUPLICATE KEY UPDATE ".format(table_name, col_str[1:-1], row_str[:-1])
            for (key, value) in six.iteritems(item):
                sql += "{} = '{}', ".format(key, value if "'" not in value else value.replace("'", "\\'"))
            sql = sql[:-2]
            self.cursor.execute(sql) #执行SQL
            self.cnx.commit()# 写入操作