jquery如何遍历JSON

Question

jq如何 遍历这个JSON
{"id95":{"fav":"2","aid":"95","feed":[{"username":"test","msg":"sdfasdf","aid":"95"},{"username":"\u5929\u6daf","msg":"\u55ef,\u8fd9\u4e9b\u56fe\u7247\u90fd\u5f88\u4e0d\u9519!","aid":"95"},{"username":"admin","msg":"dsfsadfsdf","aid":"95"}]},"id89":{"fav":"1","aid":"89","feed":null}} 

Answer 1

http://zhidao.baidu.com/question/330212299.html参考

Answer 2

<script>
var articles = "{"id95":{"fav":"2","aid":"95","feed":[{"username":"test","msg":"sdfasdf","aid":"95"},{"username":"\u5929\u6daf","msg":"\u55ef,\u8fd9\u4e9b\u56fe\u7247\u90fd\u5f88\u4e0d\u9519!","aid":"95"},{"username":"admin","msg":"dsfsadfsdf","aid":"95"}]},"id89":{"fav":"1","aid":"89","feed":null}}";articles = eval('('+ articles +')');$(articles).each(function(){
    alert(this.name);
    alert(this.title);
    alert(this.content);
});
</script>
我套用了下，运行后没反应啊....

Answer 3

var articles = '<?php echo json_encode($arr)?>';articles = eval('('+ articles +')');$(articles).each(function(){
    alert(this.name);
    alert(this.title);
    alert(this.content);
});

Answer 4

var articles = '{"id95":{"fav":"2","aid":"95","feed":[{"username":"test","msg":"sdfasdf","aid":"95"},{"username":"\u5929\u6daf","msg":"\u55ef,\u8fd9\u4e9b\u56fe\u7247\u90fd\u5f88\u4e0d\u9519!","aid":"95"},{"username":"admin","msg":"dsfsadfsdf","aid":"95"}]},"id89":{"fav":"1","aid":"89","feed":null}}';articles = eval('('+ articles +')');$(articles).each(function(){
    alert(this.name);
    alert(this.title);
    alert(this.content);
});

Answer 5

 var json =  {"id95":{"fav":"2","aid":"95","feed":[{"username":"test","msg":"sdfasdf","aid":"95"},{"username":"\u5929\u6daf","msg":"\u55ef,\u8fd9\u4e9b\u56fe\u7247\u90fd\u5f88\u4e0d\u9519!","aid":"95"},{"username":"admin","msg":"dsfsadfsdf","aid":"95"}]},"id89":{"fav":"1","aid":"89","feed":null}};
    $.each(json.id95.feed, function(i,item) {
        alert(item.username);                
    });是要username ,msg ,aid么?

Answer 6

var articles = '{"id95":{"fav":"2","aid":"95","feed":[{"username":"test","msg":"sdfasdf","aid":"95"},{"username":"\u5929\u6daf","msg":"\u55ef,\u8fd9\u4e9b\u56fe\u7247\u90fd\u5f88\u4e0d\u9519!","aid":"95"},{"username":"admin","msg":"dsfsadfsdf","aid":"95"}]},"id89":{"fav":"1","aid":"89","feed":null}}';articles = eval('('+ articles +')');
$.each(articles, function(key, value) {
    alert('id' + ':' + key + '\n' + 'fav' + ':' + value.fav + '\naid:' + value.aid);
});