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  • 写入csv文件的两种方式

     1 #encoding: utf-8
     2 
     3 import csv
     4 
     5 def write_csv():
     6     headers = ['username', 'age', 'height']
     7     # values内部是以元组的形式存在
     8     values = [
     9         ('張三', 18, 180),
    10         ('李四', 19, 190),
    11         ('王五', 20, 160)
    12     ]
    13 
    14     with open('classroom.csv', 'w', encoding='utf-8', newline='') as fp:
    15         writer = csv.writer(fp)
    16         writer.writerow(headers)
    17         writer.writerows(values)
    18 
    19 
    20 
    21 if __name__ == '__main__':
    22     write_csv()
    #encoding: utf-8
    
    import csv
    
    def write_csv_demo2():
        headers = ['username', 'age', 'height']
        #values内部是以字典的形式存在
        values = [
            {'username':'张三','age':18,'height':180},
            {'username':'李四','age':19,'height':190},
            {'username':'王五','age':20,'height':160}
        ]
        with open('classroo1.csv','w',encoding='utf-8',newline='') as fp:
            writer = csv.DictWriter(fp,headers)
            # 写入表头数据的时候,需要调用writeheader方法
            writer.writeheader()
            writer.writerows(values)
    
    
    if __name__ == '__main__':
        write_csv()
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  • 原文地址:https://www.cnblogs.com/MR-allen/p/10659790.html
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