Python读写csv文件

# --*-- encoding: utf-8 --*--

"""
@version: python3.6
@author: sunhongzhi
@contact: sunsap@vip.qq.com
@software: PyCharm
@file: csv_operation.py
@time: 2017/6/21 下午22:48
"""

import csv

class simple_csv:
    def __init__(self, filename):
        self.csv_file = open(filename, 'a+')
        self.csv_writer = csv.writer(self.csv_file, delimiter=' ',
                                    quotechar='|', quoting=csv.QUOTE_MINIMAL)

    def write(self, value):
        write_str = list()
        if type(value) == type(list()):
            for each in value:
                write_str.append(each)
        else:
            write_str.append(value)
        self.csv_writer.writerow(write_str)

    def close(self):
        self.csv_file.close()

class dict_csv:
    def __init__(self,filename,headers):
        if type(headers) is not type(list()):
            print("headers param must be list type")
            return
        self.csv_file = open(filename, 'a+')
        self.csv_writer = csv.DictWriter(self.csv_file, fieldnames=headers)
        self.csv_writer.writeheader()

    def write(self,value):
        if type(value) is not type(dict()):
            print("value param must be dict type while headers param is avaliable")
        self.csv_writer.writerow(value)

    def close(self):
        self.csv_file.close()

def read(filename):
    with open(filename, 'r+', newline='') as csv_file:
        reader = csv.reader(csv_file, delimiter=' ', quotechar='|')
        return [row for row in reader]

if __name__ == '__main__':
    a= simple_csv('list.csv')
    a.write([1,2,3])
    a.write('567')
    a.write(['我爱你','2313'])
    a.close()
    b = read('list.csv')
    print(b)

    a1 = dict_csv('dict.csv',['name','gender','age'])
    a1.write({"name":"leo","age":23,"gender":1})
    a1.write({"name":"lynn","gender":0,"age":23})
    a1.write({"name": "zhangwei", "gender": 0})
    a1.write({"name": "ting", "age": 20})
    a1.close()
    b1 = read('dict.csv')
    print(b1)