javascript - How to write proper algorithem serialize this special format of json data？ -


i have csv file, looks this:

photosum,annee,mois

2732,2002,1

1030,2002,2

1661,2002,7

1450,2002,3

1308,2002,4

2131,2002,5

2891,2002,6

2748,2002,8

2140,2002,9

1499,2002,10

1211,2002,11

1398,2002,12

5376,2003,1

2780,2003,2

1927,2003,3

2266,2003,4

3670,2003,5

4071,2003,6

4764,2003,7

5261,2003,8

i want make csv file json data serialization this: the annual data monthly sort

{         "2002": [             1, //january             22, //february             33,             44,             345,             45,             232,             43423,             324324,             324324,             324324,             6556         ],         "2003": [             3.5,             4,             4.3,             6.6,             11.7,             13.2,             16.2,             16.5,             12.7,             8.4,             5,             5.3         ] }

i trying use javascript convert csv json, write many kinds of regular expressions, failed, found have consider sequence of csv file carefully, complicated, can help me? please

function parsecsv(data, rowseperator) {     var rows = data.split(rowseperator || '\n');     var json = {};     rows.slice(1).foreach(function (row) {         var columns = row.split(',');         var sum = parseint(columns[0]||0, 10)         var year = parseint(columns[1], 10);         var month = parseint(columns[2], 10);         if (year && month) {             json[year] = json[year] || [];             json[year][month-1] = sum;         }     });     return json; }  var json = parsecsv(csvdata);

http://jsfiddle.net/qug4thb9/


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