我正在创建一个页面,该页面根据组合框中选择的类型显示图表
<div id="chartdiv"></div>
<select name="graphe" id="identifiantDeMonSelect">
<option value="Column2D">Column2D
<option value="Column3D">Column3D
<option value="Pie3D">Pie3D
<option value="Pie2D">Pie2D
</select>
<input type="submit" value="Afficher" onclick="ajax()">
<script type="text/javascript">
function ajax(){
var xhr
if (window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
xhr = new ActiveXObject("Microsoft.XMLHTTP");
}
if (xhr !=null) {
xhr.onreadystatechange = function() { type1(xhr); };
xhr.open("GET", "{{ path('Ajax')}}", true);
xhr.send(null);
} else {
alert("The XMLHttpRequest not supported");
}}
function type1(xhr){
var docXML= xhr.responseText;
var val_type = getSelectValue('identifiantDeMonSelect');
var type = val_type+"";
var str="{{ asset('Charts/Pie2D.swf') }}";
var chart = new FusionCharts(str, "ChartId", "600", "400", "0", "0");
chart.setXMLData(docXML);
chart.render("chartdiv");
}
function getSelectValue(selectId)
{
var selectElmt = document.getElementById(selectId);
return selectElmt.options[selectElmt.selectedIndex].value;
}
</script>
现在,当我简单地替换var str="{{ asset('Charts/Pie2D.swf') }}";
为"{{asset('Charts/'+type+'.swf') }}"
以动态更改图表的类型时,我得到以下 symfony 错误:"Variable "type" does not exist in "
。当我放"{{ asset('Charts/"+type+".swf') }}"
(我只是用“替换')时,我得到了页面,当我点击提交按钮时没有任何反应,在控制台(chrome的控制台)内我得到这个错误“ GET http://127.0.0.1:8888/dashboard2/Symfony/web/Charts/"+type+".swf 404 (Not Found)
”。它就是这样"+type+"
;显然我需要帮助,我不知道这是连接问题还是与树枝和资产功能有关。提前致谢