Extjs4-treepanel-解析json/fields中是否加入leaf的区别

时间:2014-04-03 12:04:50   收藏:0   阅读:575

json解析list时,我原先的写法是:

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1 Map<String, Object> map = new HashMap<String, Object>();
2         map.put("totalCount", totalCount);
3         map.put("items", list);
4         response.setContentType("text/json;charset=utf-8");
5         String jsonString = "";
6         JSONArray _JSONObj = JSONArray.fromObject(map); 
7         jsonString = _JSONObj.toString();
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在浏览器中打印的是:

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[{"totalcount":1,"items":[{"id":"100","limits":"‘1’","panel":"","text":"基本信息管理","leaf":"false","topnode":"000"}]}]
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前台显示的是:bubuko.com,布布扣

多了一层

之后处理json值,处理后的结果是:

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{"totalcount":1,"items":[{"id":"100","limits":"‘1’","panel":"","text":"基本信息管理","leaf":"false","topnode":"000"}]}
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原因:ext在解析json是默认将"[]"当成了一个对象的子属性,所以解析出错

 

在treepanel中的fields[]中是否加入leaf属性是有区别的,这可能是Ext的一个bug,如果加入了leaf,如下

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fields:[‘id‘, ‘text‘, ‘leaf‘]
fields:[‘id‘, ‘text‘]
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现象:如果加入‘leaf’,Ext将该rawdata默认有子node

Extjs4-treepanel-解析json/fields中是否加入leaf的区别,布布扣,bubuko.com

原文:http://www.cnblogs.com/GenghisKhan/p/3641364.html

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