使用Javascript上传和解析CSV文件

时间:2013-01-21 15:55:47

标签: javascript html file-upload csv file-io

我目前的环境是使用Javascript,HTML,File API上传文件。目前,我一直在研究如何阅读File API上传的CSV文件,例如:

Id,Event type,Start,Stop,Timezone,Precision,Entity,Momentum,Financial positive sentiment,Financial negative sentiment,General positive sentiment,General negative sentiment,Fragment,Document category,Document title,Document url,Document published,Source name,Source media type,Source topic,Source country,Attributes
GQcBzYAEAJL,Buybacks,2/7/2013 19:00,2/8/2013 18:59,America/New_York,day,,0.25,0.22,0.44,0.22,0,"Share buy back DMGT's strong operational cash flow and disciplined management of our portfolio of businesses has resulted in a net debt to EBITDA ratio of 1.6, falling to well below our stated internal limit of 2.4 times.",Business_Finance,Daily Mail & General : Preliminary Results 2011/12,http://www.investegate.co.uk/article.aspx?id=20121122070000PDC35,11/22/2012 3:03,Investegate.co.uk,Niche,None,United Kingdom,company:Daily Mail & General Trust|fragment_count:1|inherited_locations:[DMGT]
GQf0LxASVpP,Company Layoffs,1/31/2013 19:00,2/1/2013 18:59,America/New_York,day,,0.03,0,0.31,0,0,"As a result, Quadel will need to reduce its workforce by 64 employees beginning on or about Feb. 1, concluding no later than 14 days afterward.",Labor,Florida Quadel Consulting to lay off 64 in Miami,http://feeds.bizjournals.com/~r/bizj_southflorida/~3/bdu_17A5w6M/florida-quadel-consulting-to-lay-off.html,12/3/2012 14:50,Bizjournals.com (8237),Niche,None,United States of America,authors:[Shaun Bevan]|company:Quadel Consulting Corp|fragment_count:1|status:planned
GQYBsgACGKI,Company Layoffs,1/30/2013 19:00,1/31/2013 18:59,America/New_York,day,,0.46,0,0.26,0,0,"The parent group unveiled a ""reduction of 4.500 jobs to safeguard around 15.500 posts across the airline"" -- meaning Iberia was on course to shed almost one quarter of its staff.",Business_Finance,"Iberia survival plan: slash quarter of jobs, cut 15% network and downsize fleet",http://en.mercopress.com/2012/11/10/iberia-survival-plan-slash-quarter-of-jobs-cut-15-network-and-downsize-fleet?utm_source=feed&utm_medium=rss&utm_content=main&utm_campaign=rss,11/9/2012 23:40,MercoPress,Mainstream,General,Uruguay,company:IBERIA LINEAS AEREAS DE ESPANA SA|employees_number:one|fragment_count:1|status:announced

可下载的CSV文件here

例如,将所有列标题和行数据等输出到HTML

上显示的表中

大多数在线研究似乎都关注类似于JSON数据的传入csv数据。但我似乎找不到一个解析CSV文件的人。任何帮助或方向将不胜感激。

1 个答案:

答案 0 :(得分:0)

通常,CSV文件包含按分隔符分隔的单元格,例如;:在您的示例中,分隔符为,。所以你需要做的是:

1)将您的CSV文件读入String,例如,您可以将其命名为input;

2)创建一个像这样String[] result = input.split("\\,");;

的字符串数组

3)根据需要迭代result