Ext.BLANK_IMAGE_URL='ext/resources/image/default/s.gif';

Ext.onReady(function(){

??
??? var store = new Ext.data.JsonStore({
??????? root: 'topics',
??????? totalProperty: 'totalCount',
??????? idProperty: 'threadid',
??????? remoteSort: true,

??????? fields: [
??????????? 'title', 'forumtitle', 'forumid', 'author',
??????????? {name: 'replycount', type: 'int'},
??????????? {name: 'lastpost', mapping: 'lastpost', type: 'date', dateFormat: 'timestamp'},
??????????? 'lastposter', 'excerpt'
??????? ],

??????
?????? proxy: new Ext.data.ScriptTagsProxy({url:'http://extjs/fdfdf/we.jsp'})

??? });
??? store.setDefaultSort('lastpost', 'desc');

?

如果改为url:'localhost:8080/we.jsp就看不到数据为什么，怎么改呢