Javascript 在smarty chartjs中显示json格式的数据 {literal} var ctx=document.getElementById('MyGlacierMarsChart').getContext('2d'); var图表=新图表(ctx{ //我们要创建的图表类型 键入:“行”, //我们的数据集的数据 数据:{ 标签:[{/literal} {foreach from=$glaciermass item=年份名称=glaciermassloop} {if$smarty.foreach.glaciermassloop.last} “{$year.year}” {else} “{$year.year}”, {/if} {/foreach} {literal}], 数据集:[{ 标签:“平均冰川质量水平”, 数据:[{/literal} {foreach from=$glaciermass item=年份名称=glaciermassloop} {if$smarty.foreach.glaciermassloop.last} “{$year.平均累积质量平衡}” {else} “{$year.平均累积质量平衡}”, {/if} {/foreach} {literal}], 背景颜色:[ "rgba(255,99,132,0.2)",, “rgba(54162235,0.2)”, "rgba(255,206,86,0.2)",, “rgba(751921920.2)”, “rgba(153102255,0.2)”, ‘rgba(255、159、64、0.2)’ ], 边框颜色:[ "rgba(255,99,132,1)",, “rgba(54162235,1)”, "rgba(255,206,86,1)",, "rgba(751921921)",, "rgba(153102255,1)",, ‘rgba(255、159、64、1)’ ], 边框宽度:1 }] }, 选项:{ 比例:{ 雅克斯:[{ 滴答声:{ 建议最大值:0, 建议在:-30, 贝吉纳泽罗:是的 } }] } } }); {/literal}
我使用的是Chart.js,来自API端点的数据没有在屏幕上显示正确的平均值。我尝试了许多不同的方法,甚至尝试了选择索引,但都不起作用。目前,图表上多年来的平均值仅显示0,而不是json中的实际值-这是json本身Javascript 在smarty chartjs中显示json格式的数据 {literal} var ctx=document.getElementById('MyGlacierMarsChart').getContext('2d'); var图表=新图表(ctx{ //我们要创建的图表类型 键入:“行”, //我们的数据集的数据 数据:{ 标签:[{/literal} {foreach from=$glaciermass item=年份名称=glaciermassloop} {if$smarty.foreach.glaciermassloop.last} “{$year.year}” {else} “{$year.year}”, {/if} {/foreach} {literal}], 数据集:[{ 标签:“平均冰川质量水平”, 数据:[{/literal} {foreach from=$glaciermass item=年份名称=glaciermassloop} {if$smarty.foreach.glaciermassloop.last} “{$year.平均累积质量平衡}” {else} “{$year.平均累积质量平衡}”, {/if} {/foreach} {literal}], 背景颜色:[ "rgba(255,99,132,0.2)",, “rgba(54162235,0.2)”, "rgba(255,206,86,0.2)",, “rgba(751921920.2)”, “rgba(153102255,0.2)”, ‘rgba(255、159、64、0.2)’ ], 边框颜色:[ "rgba(255,99,132,1)",, “rgba(54162235,1)”, "rgba(255,206,86,1)",, "rgba(751921921)",, "rgba(153102255,1)",, ‘rgba(255、159、64、1)’ ], 边框宽度:1 }] }, 选项:{ 比例:{ 雅克斯:[{ 滴答声:{ 建议最大值:0, 建议在:-30, 贝吉纳泽罗:是的 } }] } } }); {/literal},javascript,php,json,smarty,Javascript,Php,Json,Smarty,我使用的是Chart.js,来自API端点的数据没有在屏幕上显示正确的平均值。我尝试了许多不同的方法,甚至尝试了选择索引,但都不起作用。目前,图表上多年来的平均值仅显示0,而不是json中的实际值-这是json本身 您尝试过按编号访问每个索引吗?您尝试过按编号访问每个索引吗 <script> {literal} var ctx = document.getElementById('myGlaciermassChart').getContext('2d'); var chart = n
您尝试过按编号访问每个索引吗?您尝试过按编号访问每个索引吗
<script>
{literal}
var ctx = document.getElementById('myGlaciermassChart').getContext('2d');
var chart = new Chart(ctx, {
// The type of chart we want to create
type: 'line',
// The data for our dataset
data: {
labels: [{/literal}
{foreach from=$glaciermass item=year name=glaciermassloop}
{if $smarty.foreach.glaciermassloop.last}
"{$year.Year}"
{else}
"{$year.Year}",
{/if}
{/foreach}
{literal}],
datasets: [{
label: 'Mean Glacier mass Level',
data: [{/literal}
{foreach from=$glaciermass item=year name=glaciermassloop}
{if $smarty.foreach.glaciermassloop.last}
"{$year.Mean-cumulative-mass-balance}"
{else}
"{$year.Mean-cumulative-mass-balance}",
{/if}
{/foreach}
{literal}],
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(255, 206, 86, 0.2)',
'rgba(75, 192, 192, 0.2)',
'rgba(153, 102, 255, 0.2)',
'rgba(255, 159, 64, 0.2)'
],
borderColor: [
'rgba(255, 99, 132, 1)',
'rgba(54, 162, 235, 1)',
'rgba(255, 206, 86, 1)',
'rgba(75, 192, 192, 1)',
'rgba(153, 102, 255, 1)',
'rgba(255, 159, 64, 1)'
],
borderWidth: 1
}]
},
options: {
scales: {
yAxes: [{
ticks: {
suggestedMax: 0,
suggestedMin:-30,
beginAtZero: true
}
}]
}
}
});
{/literal}
</script>
<?php
$url ='https://pkgstore.datahub.io/core/glacier-mass-balance/glaciers_json/data/6270342ca6134dadf8f94221be683bc6/glaciers_json.json';
$response = file_get_contents($url);
$GlaciermassData= json_decode($response, true);
$smarty->assign('glaciermass', $GlaciermassData);
?>