Html Can';我无法在页面上加载GoogleAPI图表,它们仅在我重新加载页面时显示
下面是我的代码和3个图表,只有在我刷新后才会加载到页面上,有人知道如何在我第一次单击此页面时加载它吗?另外,我尝试了很多成功的建议:function()和trie使用ajax直接加载div,但没有成功Html Can';我无法在页面上加载GoogleAPI图表,它们仅在我重新加载页面时显示,html,jquery-mobile,google-visualization,Html,Jquery Mobile,Google Visualization,下面是我的代码和3个图表,只有在我刷新后才会加载到页面上,有人知道如何在我第一次单击此页面时加载它吗?另外,我尝试了很多成功的建议:function()和trie使用ajax直接加载div,但没有成功 <script src="https://www.google.com/jsapi" type="text/javascript"></script> <script> google.load("visualization", "1", {package
<script src="https://www.google.com/jsapi" type="text/javascript"></script>
<script>
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Date', 'Temp'],
{% for graphreading in graphreadings %}
['{{ graphreading.timeformatted }}', {{ graphreading.temperature }}],
{% endfor %}
]);
var options = {
hAxis: {title: 'Timestamp',
titleTextStyle: {color: 'black'}},
vAxis: {title: 'Temperature in °F'},
colors: ['red']
};
var chart = new google.visualization.LineChart(document.getElementById('chart_temp'));
chart.draw(data, options);
}
</script>
<script>
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Date', 'CO2'],
{% for graphreading in graphreadings %}
['{{ graphreading.timeformatted }}', {{ graphreading.co2 }}],
{% endfor %}
]);
var options = {
hAxis: {title: 'Timestamp', titleTextStyle: {color: 'black'}},
vAxis: {title: 'CO2 in ppm'},
colors: ['green']
};
var chart = new google.visualization.LineChart(document.getElementById('chart_co2'));
chart.draw(data, options);
}
</script>
<script>
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Date', 'Humidity'],
{% for graphreading in graphreadings %}
['{{ graphreading.timeformatted }}', {{ graphreading.humidity }}],
{% endfor %}
]);
var options = {
hAxis: {title: 'Timestamp', titleTextStyle: {color: 'black'}},
vAxis: {title: 'Humidity in %'},
colors: ['blue']
};
var chart = new google.visualization.LineChart(document.getElementById('chart_humidity'));
chart.draw(data, options);
}
</script>
<div class="middlepages" >
<ul data-role="listview" data-inset="true" data-dividertheme="a" >
<li><div style="text-align: center; font-size: x-large;"> Readings for {{ zone.description }}</div><div id="chart_temp"></div></li>
<li><div id="chart_co2"></div> </li>
<li><div id="chart_humidity"></div> </li>
{% for reading in readings %}
<li>Time Created: {{ reading.timeformatted }} Temp:{{ reading.temperature }}
CO2:{{ reading.co2 }} Humidity:{{ reading.humidity }} Fan: {{ reading.fan }}
Mode:{{ reading.mode }}</li>
{% endfor %}
</ul>
</div>
load(“可视化”、“1”、{packages:[“corechart”]});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
['日期','临时'],
{%用于GraphThreadings%中的GraphThreading}
[{{graphreading.timeformatted}}',{{{graphreading.temperature}}],
{%endfor%}
]);
变量选项={
hAxis:{title:'Timestamp',
titleTextStyle:{color:'black'}},
vAxis:{title:'温度单位为华氏度'},
颜色:[“红色”]
};
var chart=new google.visualization.LineChart(document.getElementById('chart_temp');
图表绘制(数据、选项);
}
load(“可视化”、“1”、{packages:[“corechart”]});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
['日期','二氧化碳'],
{%用于GraphThreadings%中的GraphThreading}
[{{graphhreading.timeformatted}}',{{{graphhreading.co2}}],
{%endfor%}
]);
变量选项={
hAxis:{title:'Timestamp',titleTextStyle:{color:'black'}},
vAxis:{title:'CO2单位ppm'},
颜色:[“绿色”]
};
var chart=new google.visualization.LineChart(document.getElementById('chart_-co2');
图表绘制(数据、选项);
}
load(“可视化”、“1”、{packages:[“corechart”]});
setOnLoadCallback(drawChart);
函数绘图图(){
var data=google.visualization.arrayToDataTable([
[‘日期’、‘湿度’],
{%用于GraphThreadings%中的GraphThreading}
[{{graphreading.timeformatted}}',{{{graphreading.timeformatted}}],
{%endfor%}
]);
变量选项={
hAxis:{title:'Timestamp',titleTextStyle:{color:'black'}},
vAxis:{title:'湿度%'},
颜色:[“蓝色”]
};
var chart=new google.visualization.LineChart(document.getElementById('chart_-hydress');
图表绘制(数据、选项);
}
- {{zone.description}的读数
{%用于读取读数%}
- 创建的时间:{reading.timeformatted}临时:{{reading.temperature}
二氧化碳:{reading.CO2}湿度:{{reading.湿度}}风扇:{{reading.Fan}
模式:{{reading.Mode}}
{%endfor%}
把这个东西放进去
$(document).ready(function(){
// your code here
});
或尝试
function pageLoad(sender, args) {
// code here
}
问题在于jquery mobile中页面的加载方式。标准行为是通过Ajax链接页面,Ajax只是将新页面内容添加到DOM中。这意味着您通过链接访问的页面实际上没有重新加载 如果禁用Ajax加载,将执行真正的页面重新加载,并加载google图表。通过向link标记添加data Ajax=“false”属性,可以禁用Ajax加载。 有关Ajax加载的更多信息,请查看jquery mobile文档: 除此之外,您还需要修改javascript,如下所示:
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load('visualization', '1', {packages: ['corechart']});
</script>
<script type="text/javascript">
// this function is called once the document has been fully loaded
$(document).ready(function () {
... put your stuff in here ...
google.setOnLoadCallback(drawChart);
});
</script>
load('visualization','1',{packages:['corechart']});
//此函数在文档完全加载后调用
$(文档).ready(函数(){
…把你的东西放在这里。。。
setOnLoadCallback(drawChart);
});
您的页面如何知道他必须调用google API?