csvFile=open(outcsv,'a',newline='',encoding='utf-8')writer=csv.writer(csvFile)csvRow=[]f=open(intxt,'r',encoding='utf-8')forlineinf:csvRow=line.split()#以空格为分隔符iflen(csvRow)>1andlen(csvRow)<=3:#约束条件,视情况而定 write
s = StringIO.StringIO(text) with open('fileName.csv', 'w') as f: for line in s: f.write(line)
将列表数据写入txt、csv、excel 1、写入txt def text_save(filename, data):#filename为写入CSV文...
csvFile = open(outcsv, 'a',newline='', encoding='utf-8') writer = csv.writer(csvFile) csvRow = [] f = open(intxt,'r',encoding='utf-8') for line in f: csvRow = line.split() #以空格为分隔符 if len(csvRow)>1 and len(csvRow)<=3: #约束条件,视情况而定 writer.writerow...
1.3、csv文件追加 f=open(path,'a+',newline='')#newline设定可以让写出的csv中不包含空行 writer=csv.writer(f) for row in range(b.shape[0]): writer.writerow(b.iloc[row])#按行将数据写入文件中 f.close() 1. 2. 3. 4. 5.
import csv # 要写入的数据 data = [ ['姓名', '年龄', '城市'], ['张三', 28, '北京'], ['李四', 34, '上海'], ['王五', 25, '广州'] ] # 将数据写入CSV文件 with open('output.csv', 'w', newline='', encoding='utf-8') as file: writer = csv.writer(file) writer.writero...
csv.writer(csvfile,dialect='excel',**fmtparams),主要用于把列表数据写入到csv文件。 其中参数csvfile是任何支持write()方法的对象,通常为文件对象;dialect 和fmtparams与csv.reader对象构造函数中的参数意义相同。 csv.writer对象包含以下属性和方法: writer.writerow(row) #方法,写入一行数据 ...
将数据写入csv文件,这里的数据都是List格式,并需要遍历。 1with open("Ex_info.csv","ab+") as csvfile:##“ ab+ ”去除空白行,又叫换行!2csvfile.write(codecs.BOM_UTF8)##存入表内的文字格式3writer = csv.writer(csvfile)#存入表时所使用的格式4writer.writerow(['表头','表头','表头','表头...
一、CSV格式: csv是Comma-Separated Values的缩写,是用文本文件形式储存的表格数据。 1.csv模块&reader方法读取: import csv with open('enrollments.csv', 'rb') asf: reader =csv.reader(f) print reader out:<_csv.reader object at 0x00000000063DAF48> ...
import csv with open('log.txt', 'r') as in_file: stripped = (line.strip() for line in in_file) lines = (line.split(",") for line in stripped if line) with open('log.csv', 'w') as out_file: writer = csv.writer(out_file) writer.writerow(('title', 'intro')) writer.wr...