python csv fieldnames错误
我正在做一些导出到CSV，我有一个字段名称的问题。 我想要3行“字段名称”
Row 1 : Field 1:empty ; Field 2:"YEAR" , Field3:"2017" Row 2 : Field 1:empty ; Field 2:"MONTH", Field3: month.number Row 3 : Field 1:"STATION"; Field 2:"CODE" , Field3: day.number 由于我不知道如何连接细胞，因此2017年将所有细胞合并到12/365细胞的顶部，或者每个月（例如Jan）合并31个细胞，用2017或1月（31次）2月（28次）打印每个单元格
import csv import calendar from datetime import datetime HYear= [' ','Year','2017'] HMonth=[' ','Month','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug', 'Sep','Oct','Nov','Dec'] HDay= ['Station','Code','01','02','03','04','05','06','07', '08','09','10','11','12','13','14','15','16','17','18', '19','20','21','22','23','24','25','26','27','28','29','30','31'] #VARs today = datetime.today() num_day = today.day num_month = today.month mon1 = calendar.monthrange(2017, 1)[1] ###31 mon2 = calendar.monthrange(2017, 2)[1]+mon1###59 mon3 = calendar.monthrange(2017, 3)[1]+mon2###90 mon4 = calendar.monthrange(2017, 4)[1]+mon3 mon5 = calendar.monthrange(2017, 5)[1]+mon4 mon6 = calendar.monthrange(2017, 6)[1]+mon5 mon7 = calendar.monthrange(2017, 7)[1]+mon6 mon8 = calendar.monthrange(2017, 8)[1]+mon7 mon9 = calendar.monthrange(2017, 9)[1]+mon8 mon10= calendar.monthrange(2017,10)[1]+mon9 mon11= calendar.monthrange(2017,11)[1]+mon10 mon12= calendar.monthrange(2017,12)[1]+mon11 #Days in Year for i in range(1,num_month): d = calendar.monthrange(2017, i)[1] num_day+=sum((0, d)) days_year = num_day###135 or so #to CSV def csv_dict_writer(path, fieldnames, data): with open(path, "wb") as out_file: writer = csv.DictWriter(out_file, delimiter=',', fieldnames=fieldnames) writer.writeheader() for row in data: writer.writerow(row) #####Headers heady="%s,%s"%(HYear[0],HYear[1]) headm="%s,%s"%(HMonth[0],HMonth[1]) headd="%s,%s"%(HDay[0],HDay[1]) #####Adding more content to the headers for i in range(2,days_year+2):###2-367 if i>1: heady+=",%s"%HYear[2] if i in range(2,mon1+2):###2-33 headm+=",%s"%HMonth[2] headd+=",%s"%HDay[i] elif i in range(mon1+2,mon2+2):###33-61 headm+=",%s"%HMonth[3] headd+=",%s"%HDay[i-mon1] elif i in range(mon2 +2,mon3 +2): headm+=",%s"%HMonth[4] headd+=",%s"%HDay[i-mon2] elif i in range(mon3 +2,mon4 +2): headm+=",%s"%HMonth[5] headd+=",%s"%HDay[i-mon3] elif i in range(mon4 +2,mon5 +2): headm+=",%s"%HMonth[6] headd+=",%s"%HDay[i-mon4] elif i in range(mon5 +2,mon6 +2): headm+=",%s"%HMonth[7] headd+=",%s"%HDay[i-mon5] elif i in range(mon6 +2,mon7 +2): headm+=",%s"%HMonth[8] headd+=",%s"%HDay[i-mon6] elif i in range(mon7 +2,mon8 +2): headm+=",%s"%HMonth[9] headd+=",%s"%HDay[i-mon7] elif i in range(mon8 +2,mon9 +2): headm+=",%s"%HMonth[10] headd+=",%s"%HDay[i-mon8] elif i in range(mon9 +2,mon10+2): headm+=",%s"%HMonth[11] headd+=",%s"%HDay[i-mon9] elif i in range(mon10+2,mon11+2): headm+=",%s"%HMonth[12] headd+=",%s"%HDay[i-mon10] elif i in range(mon10+2,mon12+2): headm+=",%s"%HMonth[13] headd+=",%s"%HDay[i-mon11] print heady print headm print headd ###Creating CSV if __name__ == "__main__": data=[heady.split(","), headm.split(","), headd.split(",")] my_list = [] fieldnames = data[0] for values in data[1:]: inner_dict = dict(zip(fieldnames, values)) my_list.append(inner_dict) path = "dict_output.csv" csv_dict_writer(path, fieldnames, my_list)
运行程序后我得到的variablesheady，headm和headd是:(打印每个）
#Print Header Year ,Year,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017 #Print Header Month ,Month,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Feb,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Mar,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,Apr,May,May,May,May,May,May,May,May,May,May,May,May,May,May,May #Print Header Day Station,Code,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15
但是，我在csv中获得的标题是：
Row 1: empty, Year, 2017, 2017 ... (correct) Row 2: Empty, Month, May, May ... (should be Jan not May) Row 3-360+: Station, Code, 15, 15 ... (should be 01, 02, ..,31, 01, 02... and so on)
任何build议？ 提前致谢！
PS：输出就像
empty, YEAR, 2017, 2017, 2017....*365 empty, MONTH, Jan, Jan, Jan...*31, Feb, Feb...*28..... STATION, CODE, 01, 02, 03..., 31, 01, 02,...,28, 01.....
修改你的csv编写器方法和主要获取一个列表，并将其写入您的文件！
#to CSV def csv_writer(path, data): with open(path, "wb") as out_file: for row in data: out_file.write(','.join(row)) out_file.write('\n') ###Creating CSV if __name__ == "__main__": data=[heady.split(","), headm.split(","), headd.split(",")] #data = zip(*data) print data path = "dict_output.csv" csv_writer(path, data)
示例输出：
,Year,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,2017,.. ,Month,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,Jan,.. Station,Code,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,..