Json类解析多级目录

2018-12-14 zhulinan Flash

Flash通过JSON类解析数据源（如来自服务器接口返回的云端数据），下面是个多级目录的例子（与服务器通讯部分略过）：

var str:String = '[{"name":"第一单元 词赋","page":9,"data":[{"name":"1. 上林赋（节选）","page":10},{"name":"2. 别赋（节选）","page":16}]},{"name":"第二单元 传状","page":21,"data":[{"name":"3. 司马温公行状（节选）","page":22},{"name":"4. 徐霞客传（节选）","page":28}]},{"name":"第三单元 论辩","page":33,"data":[{"name":"5. 讳辩","page":34},{"name":"6. 朋党论","page":40}]},{"name":"第四单元 书信","page":46,"data":[{"name":"7. 与会稽王笺（节选）","page":47},{"name":"8. 答司马谏议书","page":53}]},{"name":"第五单元 序文","page":58,"data":[{"name":"9. 暮春江夏送张祖监丞之东都序","page":59},{"name":"10. 金石录后序（节选）","page":64}]},{"name":"第六单元 杂记","page":70,"data":[{"name":"11. 游黄溪记","page":71},{"name":"12. 楮亭记","page":77}]},{"name":"第七单元 哀祭","page":82,"data":[{"name":"13. 自祭文","page":83},{"name":"14. 祭妹文（节选）","page":89}]},{"name":"第八单元 碑文","page":94,"data":[{"name":"15. 封燕然山铭","page":95},{"name":"16. 柳子厚墓志铭（节选）","page":100}]},{"name":"综合活动","page":105}]';
var rel:* = JSON.parse(str);

var sp:String = '';
var myTxt:String = '';

function myf1(arr:Array):void {
	var i:uint;
	for each(var k in arr){
		myTxt += sp + k.name + '\n';
		if (k.data) {
			sp = sp + '  ';
			myf1(k.data);
		}
		i ++;
	}
	if (i == arr.length) {
		var n:uint = sp.length;
		if (n > 1) {
			sp = sp.substr(0, sp.length - 2);
		}
	}
}

myf1(rel);
txtRel.text = myTxt;

本例下载：jsonMenu.zip

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Json类解析多级目录

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