forked from sheetjs/sheetjs
		
	
		
			
	
	
		
			88 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			88 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | /* writing feature test -- look for TEST: in comments */ | ||
|  | /* vim: set ts=2: */ | ||
|  | 
 | ||
|  | /* original data */ | ||
|  | var data = [ | ||
|  | 	[1,2,3], | ||
|  | 	[true, false, null, "sheetjs"], | ||
|  | 	["foo","bar",new Date("2014-02-19T14:30Z"), "0.3"], | ||
|  | 	["baz", null, "qux"] | ||
|  | ]; | ||
|  | 
 | ||
|  | var ws_name = "SheetJS"; | ||
|  | 
 | ||
|  | var wscols = [ | ||
|  | 	{wch:6}, | ||
|  | 	{wch:7}, | ||
|  | 	{wch:10}, | ||
|  | 	{wch:20} | ||
|  | ]; | ||
|  | 
 | ||
|  | 
 | ||
|  | console.log("Sheet Name: " + ws_name); | ||
|  | console.log("Data: "); for(var i=0; i!=data.length; ++i) console.log(data[i]); | ||
|  | console.log("Columns :"); for(i=0; i!=wscols.length;++i) console.log(wscols[i]); | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  | /* require XLSX */ | ||
|  | if(typeof XLSX === "undefined") { try { XLSX = require('./'); } catch(e) { XLSX = require('../'); } } | ||
|  | 
 | ||
|  | /* dummy workbook constructor */ | ||
|  | function Workbook() { | ||
|  | 	if(!(this instanceof Workbook)) return new Workbook(); | ||
|  | 	this.SheetNames = []; | ||
|  | 	this.Sheets = {}; | ||
|  | } | ||
|  | var wb = new Workbook(); | ||
|  | 
 | ||
|  | 
 | ||
|  | /* TODO: date1904 logic */ | ||
|  | function datenum(v, date1904) { | ||
|  | 	if(date1904) v+=1462; | ||
|  | 	var epoch = Date.parse(v); | ||
|  | 	return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000); | ||
|  | } | ||
|  | 
 | ||
|  | /* convert an array of arrays in JS to a CSF spreadsheet */ | ||
|  | function sheet_from_array_of_arrays(data, opts) { | ||
|  | 	var ws = {}; | ||
|  | 	var range = {s: {c:10000000, r:10000000}, e: {c:0, r:0 }}; | ||
|  | 	for(var R = 0; R != data.length; ++R) { | ||
|  | 		for(var C = 0; C != data[R].length; ++C) { | ||
|  | 			if(range.s.r > R) range.s.r = R; | ||
|  | 			if(range.s.c > C) range.s.c = C; | ||
|  | 			if(range.e.r < R) range.e.r = R; | ||
|  | 			if(range.e.c < C) range.e.c = C; | ||
|  | 			var cell = {v: data[R][C] }; | ||
|  | 			if(cell.v == null) continue; | ||
|  | 			var cell_ref = XLSX.utils.encode_cell({c:C,r:R}); | ||
|  | 
 | ||
|  | 			/* TEST: proper cell types and value handling */ | ||
|  | 			if(typeof cell.v === 'number') cell.t = 'n'; | ||
|  | 			else if(typeof cell.v === 'boolean') cell.t = 'b'; | ||
|  | 			else if(cell.v instanceof Date) { | ||
|  | 				cell.t = 'n'; cell.z = XLSX.SSF._table[14]; | ||
|  | 				cell.v = datenum(cell.v); | ||
|  | 			} | ||
|  | 			else cell.t = 's'; | ||
|  | 			ws[cell_ref] = cell; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/* TEST: proper range */ | ||
|  | 	if(range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range); | ||
|  | 	return ws; | ||
|  | } | ||
|  | var ws = sheet_from_array_of_arrays(data); | ||
|  | 
 | ||
|  | /* TEST: add worksheet to workbook */ | ||
|  | wb.SheetNames.push(ws_name); | ||
|  | wb.Sheets[ws_name] = ws; | ||
|  | 
 | ||
|  | /* TEST: column widths */ | ||
|  | ws['!cols'] = wscols; | ||
|  | 
 | ||
|  | /* write file */ | ||
|  | XLSX.writeFile(wb, 'sheetjs.xlsx'); |