如何动态的使用Store加数据?

0 0

如何动态的使用Store加数据?5

我的问题是有个Store放在EditorGridPanel中,Store有初始数据,之后需要在系统操作时按动态的加入一条数据.因为刚学,所以没找到方法,请指教...

代码如下:
store

    var store = new Ext.data.Store({
        // load using script tags for cross domain, if the data in on the same domain as
        // this page, an HttpProxy would be better
        proxy: new Ext.data.HttpProxy({
        //proxy: new Ext.data.ScriptTagProxy({
            url: 'http://localhost:/test/data.json'
        }),

        //loader: new Ext.tree.TreeLoader({
        //    dataUrl:'js/layout-browser/tree-data.json'
        //}),

        // create reader that reads the Topic records
        reader: new Ext.data.JsonReader({
            root: 'topics',
            totalProperty: 'totalCount',
            id: 'threadid',
            fields: [
                'title', 'forumtitle', 'forumid', 'author',
                {name: 'replycount', type: 'int'},
                {name: 'lastpost', mapping: 'lastpost', type: 'date', dateFormat: 'timestamp'},
                'lastposter', 'excerpt'
            ]
        }),

        // turn on remote sorting
        remoteSort: true

    });

json初始数据例子

{"totalCount":"34109","topics":[{
	"threadid":"39023",
	"forumid":"11",
	"forumtitle":"Ext: Premium Help",
	"title":"How do I access the datastore object\/array in javascript?",
	"author":"catalina",
	"lastposter":"jsakalos",
	"lastpost":"1214171907",
	"excerpt":"I have a datastore that noe is defined like this:\n\n\n var dataStore = new Ext.data.Store({\n \/\/ load using script tags for cross domain, if the data in on the same domain as\n \/\/ this page, an HttpProxy would be better\n \/\/datas,\n proxy: new Ext.data.Ht...",
	"replycount":"6"
	}
]}

动态加入数据的方法

function add(text){				// 点击按钮执行的操作
    var n = absolute.getStore().getCount();	         // 获得总行数
    
    var p = "{'threadid':'39027', 'forumid':'11', 'forumtitle':'新上线用户"+text+"', 'title':'How do I access the datastore object\/array in javascript?', 'author':'catalina', 'lastposter':'jsakalos', 'lastpost':'1214171907', 'excerpt':'已经加入','replycount':'7'}";
	
	//var test = absolute.getStore().getById('threadid');
    absolute.stopEditing();				// 停止编辑
    store.insert(n, p);				// 插入到最后一行
    //store.removeAll();
    absolute.startEditing(n, 1);			// 开始编辑1单元格
    
    Ext.Msg.alert('成功添加用户信息', n + ' ' + p);// 
}

以上的运行之后,有问题..
问题补充：
OK了,最后还是用Ext.data.Record.create创建数据,进行操作