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  • Python MySQLdb 批量插入 封装

    def insert_data_many(dbName,list_data_dict):
        try:
            # 得到列表的第一个字典集合
            data_dict = list_data_dict[0]
            # 得到(s%,s%,s%,s%)
            data_values = "(" + "%s," * (len(data_dict)) + ")"
            data_values = data_values.replace(',)', ')')
    
            dbField = data_dict.keys()
            dataTuple = tuple(data_dict.values())
            dbField = str(tuple(dbField)).replace("'",'')
            conn = MySQLdb.connect(host="xxxxxxx", user="xxxx", passwd="xxxxxx", db="xxxxxx", charset="utf8")
            cursor = conn.cursor()
    
            sql = """ insert into %s %s values %s """ % (dbName,dbField,data_values)
    
            params = []
            for item in list_data_dict:
                params.append(tuple(item.values()))
            params = tuple(params)
    
            cursor.executemany(sql, params)
            conn.commit()
            cursor.close()
    
            print "=====  插入成功  ====="
            return 1
    
        except Exception as e:
            print "********     插入失败   ********"
            print e
            return 0

    使用说明:

     data2 = {
    
                    "sold_price":str(sold_price),
                    "estimate_price":str(estimate_price),
                    "item_url":str(item_url),
                    "item_imgurl":str(item_imgurl),
                    "item_lotnum":str(item_lotnum),
    
                    "hashcode": hashcode,
                    "create_time": create_time,
                }
    
    
    
    data_list.append(data_dict)
    dbName
    = "oversea_thierrydemaigret_2017_2_no_detail_info"

    # 其中 data_list 的数据格式是: [{},{}
    ,{},{},{},{},{}]

    result1 = insert_data_many(dbName, data_list)
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  • 原文地址:https://www.cnblogs.com/xuchunlin/p/8309715.html
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