Python操作csv

 1 import csv
 2 # 读取csv文件方式1
 3 csvFile = open("hhf.csv", "r")
 4 reader = csv.reader(csvFile)  # 返回的是迭代类型
 5 for item in reader:
 6     print(item)
 7 csvFile.close()
 8 
 9 
10 
11 # 读取csv文件方式2
12 import csv
13 with open("hhf.csv", "r") as csvfile:#此方法文件不用时，会自动关闭文件
14     reader2 = csv.reader(csvfile)  # 读取csv文件，返回的是迭代类型
15     for item2 in reader2:
16         print(item2)

 1 import csv
 2 csvfile = file(‘csvWrite.csv‘, ‘wb‘)
 3 writer = csv.writer(csvfile)
 4 writer.writerow([‘编号‘, ‘网址‘, ‘关键字‘])
 5 ss= [
 6   (‘1‘, ‘http://nnzhp.cn/‘, ‘牛牛‘),
 7   (‘2‘, ‘http://www.baidu.com/‘, ‘百度‘),
 8   (‘3‘, ‘http://www.jd.com/‘, ‘京东‘)
 9 ]
10 ccs = (‘4‘, ‘http://http://www.cnblogs.com/hhfzj/‘, ‘自己博客‘)
11 writer.writerows(ss)
12 writer.writerow(ccs)
13 csvfile.close()