下面是我的JSON对象。在那我需要过滤叶子作为真实的领域。
[
{
"id":1,
"title":"ASD Headquarters",
"items":[
{
"id":11,
"title":"San Jose",
"items":[
{
"id":13,
"title":"Jensen Chapman's Team",
"items":[
{
"id":14,
"title":"Jimmy John",
"leaf":"true"
},
{
"id":15,
"title":"Daniel Mills",
"leaf":"true"
},
{
"id":16,
"title":"Chris Boden"
}
]
}
]
},
{
"id":12,
"title":"Irvine",
"items":[
{
"id":24,
"title":"San Jesus"
},
{
"id":25,
"title":"Fat Albert"
},
{
"id":26,
"title":"Connor McDavid",
"leaf":"true"
}
]
},
{
"id":30,
"title":"San Diego",
"items":[
{
"id":31,
"title":"Duran Duran's Team",
"items":[
{
"id":32,
"title":"Amberlynn Pinkerton"
},
{
"id":33,
"title":"Tony Mejia"
},
{
"id":34,
"title":"Richard Partridge",
"leaf":"true"
},
{
"id":35,
"title":"Elliot Stabler"
}
]
},
{
"id":40,
"title":"Steely Dan's Team",
"items":[
{
"id":36,
"title":"Tony Stark"
},
{
"id":37,
"title":"Totally Rad"
},
{
"id":38,
"title":"Matt Murdock"
},
{
"id":39,
"title":"Stan Lee"
}
]
}
]
},
{
"id":64,
"title":"Richard Partridge Stark",
"leaf":"true"
}
]
}
]
所需的输出是：
[
{
"id":14,
"title":"Jimmy John",
"leaf":"true"
},
{
"id":15,
"title":"Daniel Mills",
"leaf":"true"
},
{
"id":26,
"title":"Connor McDavid",
"leaf":"true"
},
{
"id":34,
"title":"Richard Partridge",
"leaf":"true"
},
{
"id":64,
"title":"Richard Partridge Stark",
"leaf":"true"
}
]
答案 0 :(得分：0)
我用以获取相应数据的功能。
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="demoApp" ng-controller="MainCtrl">
<pre>{{obj | json}}</pre>
</div>String exportFileName = ResourceConstants.EXCEL_FILEPATH+"/"+ResourceConstants.EXCEL_FILENAME;
FileInputStream inf = null;
response.setContentType("application/vnd.ms-excel");
response.addHeader("content-disposition",
"attachment; filename=" + exportFileName);
response.setHeader("Pragma", "public");
response.setHeader("Cache-Control", "no-store");
response.addHeader("Cache-Control", "max-age=0");
final int size = 1024;
try{
inf = new FileInputStream(exportFileName);
response.setContentLength(inf.available());
final byte[] buffer = new byte[size];
ServletOutputStream os = null;
os = response.getOutputStream();
int length = 0;
while ((length = inf.read(buffer)) != -1) {
os.write(buffer, 0, length);
}
inf.close();
os.flush();
os.close();
} catch (final FileNotFoundException e) {
LOGGER.error("FileNotFoundException occurred in download excel method!!!"+e.getMessage());
}