我在ExpressJS上使用JADE模板引擎。
将此数组发送到JADE模板
var data = {
"labels" : ["Label 1", "Label 2"]
};
res.render('index', {data: data});
我的JADE文件看起来像这样:
script(type='text/javascript').
var options = {
labels: [#{data.labels}],
...
};
如您所见,我试图将data.labels
值设为内联<script>
块JADE文件。但输出是这样的:
<script type="...">
var options = {
labels: [Label 1, Label 2], <-- invalid syntax
...
};
必须是这样的:
<script type="...">
var options = {
labels: ["Label 1", "Label 2"], <-- valid syntax
...
};
如何直接在JADE文件中使用数组?
答案 0 :(得分:3)
JSON使事情正确:
// magic of JSON.stringify:
var src = "script var labels = !{JSON.stringify(labels)}";
// let's try and render it:
var data = {
"labels" : ["Label 1", "Label 2"]
};
var fn = jade.compile(src);
var html = fn(data);
console.log(html);
// output: <script>var labels = ["Label 1","Label 2"]</script>
&#13;
<script src="https://cdnjs.cloudflare.com/ajax/libs/jade/1.11.0/jade.min.js"></script>
&#13;