質問編集履歴
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コードとコンソールの画像を追記しました
test
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File without changes
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test
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@@ -15,3 +15,121 @@
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原因がわかる方おられましたらご教授願います。
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追記
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```
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let label = [], num = [], place = []
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let hiduke = new Date()
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let num_Place
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//定数の定義
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const csvDirectory = "/public/src/csv_sunlight"
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const filename = "20211206_sunlight.csv"
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//CSVファイル読み込み
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const req = new XMLHttpRequest()
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req.open("GET", csvDirectory + "/" + filename)
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req.send(null)
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req.onload = () =>{
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if(req.status != 404){
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//CSVのデータを改行ごとに配列に格納
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const line = req.responseText.split("\n")
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const data = []
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const len_Column = (line[2].match(/,/g)||[]).length + 1
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num_Place = (len_Column - 1) / 2
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//観測日付と日射量を二次元配列に格納
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for(let i = 0; i < line.length - 1; i++){
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const cells = line[i].split(",")
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let posSlash = cells[0].lastIndexOf("/")
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cells[0] = cells[0].substr(posSlash + 1)
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data.push(cells)
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}
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//観測地点を配列に格納
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for(let i = 1; i < len_Column; i += 3){
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place.push(data[2][i])
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}
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//二次元配列を単元配列に分割
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for(let i = 5; i < data.length - 1; i++){
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label.push(data[i][0])
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let k = 0
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for(let j = 1; j < len_Column; j+=3){
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if(num[k] === undefined){
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num[k] = []
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}
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num[k].push(data[i][j])
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k++
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}
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}
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}
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}
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console.log(num)
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console.log(num[0])
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```
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