CSV是一种文件扩展名，可以以简单的文本格式存储逗号分隔的数字和字母数字数据。数据传输时使用CSV，它可以包含包含许多字段的记录。每条记录都有相同数量的字段。
CSV is a file extension that can store comma separated numeric and alpha numeric data in simple text format. CSV is used while data transferring and it can contain records contained with a lot of fields. Each record has same number of fields.
