我有下面給出的代碼<script type="text/javascript"> var ctx = document.getElementById("myChart").getContext('2d'); var myChart = new Chart(ctx, { type: 'bar', data: { labels: ["A1", "B1", "C1"], datasets: [{ label: '', datasets:[ <?php $jumlah_A1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='A1'"); echo mysqli_num_rows($jumlah_A1); ?>, <?php $jumlah_B1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='B1'"); echo mysqli_num_rows($jumlah_B1); ?>, <?php $jumlah_C1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='C1'"); echo mysqli_num_rows($jumlah_C1); ?>, backgroundColor: [ <!-- Error on here --> 'rgba(255, 99, 132, 0.2)', 'rgba(54, 162, 235, 0.2)', 'rgba(255, 206, 86, 0.2)' ], borderColor: [ 'rgba(255,99,132,1)', 'rgba(54, 162, 235, 1)', 'rgba(255, 206, 86, 1)' ], borderWidth: 1; ] }] }, options: { scales: { yAxes: [{ ticks: { beginAtZero:true } }] } } });瀏覽器控制臺上的錯誤是“意外令牌：”（標記在代碼行上），但是當我按照 Chart.js 的文檔進行操作時，文檔可能與我正在做的相同。這是圖片：有什么幫助解決這個問題嗎？
1 回答
阿晨1998
TA貢獻2037條經驗 獲得超6個贊
您的數據集括號上有一些錯誤
var myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ["A1", "B1", "C1"],
datasets: [{
label: '',
datasets:[
<?php
$jumlah_A1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='A1'");
echo mysqli_num_rows($jumlah_A1);
?>,
<?php
$jumlah_B1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='B1'");
echo mysqli_num_rows($jumlah_B1);
?>,
<?php
$jumlah_C1 = mysqli_query($koneksi,"select * from mesin where LokasiMesin='C1'");
echo mysqli_num_rows($jumlah_C1);
?>], <!-- Bracket here-->
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(255, 206, 86, 0.2)'
],
borderColor: [
'rgba(255,99,132,1)',
'rgba(54, 162, 235, 1)',
'rgba(255, 206, 86, 1)'
],
borderWidth: 1;
}]
}
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