(实例图)

核心源码:
var cm = new Ext.grid.ColumnModel([
{id:'id',header:'id',dataIndex:'id',hidden:true},
{header:'img',dataIndex:'img',hidden:true},
{header:'创建时间',dataIndex:'ctime',hidden:true},
{header:'描述',dataIndex:'description',hidden:true},
{header:'我的N群',dataIndex:'name',menuDisabled:true},
{header:'在线情况',dataIndex:'currentpeople',menuDisabled:true}
]);
var store = new Ext.data.Store({
proxy : new Ext.data.ScriptTagProxy({url:'http://localhost:8080/pnote/group/list.action'}),
reader: new Ext.data.JsonReader({
//totalProperty: 'totalCount',
root: 'groups',
id: 'post_id'
},[
'id','img','ctime','description','name','currentpeople'
])
});
store.load();
//store.load({params:{start:0, limit:10}});
var grouppanel = new Ext.grid.GridPanel({
//title:"我的群组",
cm:cm,
store:store,
viewConfig: {
forceFit:true
},
tbar: new Ext.Toolbar({
autoWidth:true,
autoShow:true,
items : [{
text : '搜索群组',
handler: function() {},
iconCls:'searchgroup'
}, {
xtype : "tbseparator"
}, {
text : "退出群组",
handler: function() {
if (grouppanel.getSelectionModel().hasSelection()) {
Ext.Msg.confirm('信息', '确定要退出当前所选群组?', function (btn) {
if (btn == 'yes') {
var row = grouppanel.getSelectionModel().getSelected();
Ext.Ajax.request({
url:"http://localhost:8080/pnote/group/quitgroup.action?",
params:{
id:row.get("id")
},
success: function(resp,opts) {
store.remove(row); //执行删除
},
failure: function(resp,opts) {
Ext.Msg.alert('错误', "服务器出错!!!");
}
});
}else {
}
});
}else {
Ext.Msg.alert("错误", "没有群组被选中,无法进行删除操作!");
}
},
iconCls : "deltegroup" //图片样式, 需要自己寫css樣式,引入手寫的css,如果用自带会因为浏览器不兼容而不显示图片
}]
})
/*
bbar: new Ext.PagingToolbar({
pageSize: 10,
store: store,
displayInfo: true,
displayMsg: '第{0} 到 {1} 条数据 共{2}条',
emptyMsg: "没有数据"
})
*/
});
grouppanel.addListener('rowcontextmenu', fnRightClick);
var rightMenu = new Ext.menu.Menu(
{
id: "UserMenu",
items:
[
{
id: 'enter',
icon: '../images/groupin.png', //图标文件
handler: function() {
if (grouppanel.getSelectionModel().hasSelection()) {
var url = "http://localhost:8080/pnote/group/ingroup.action?id="
var row = grouppanel.getSelectionModel().getSelected();
url += row.get("id");
window.open(url);
}
},
text: '进入群组'
},
{
id: 'property',
icon: '../images/groupp.png', //图标文件
handler: function() {},
text: '群组详情'
}
]
});
///右键菜单
function fnRightClick(grouppanel, rowIndex, e) {
grouppanel.getSelectionModel().selectRow(rowIndex);
e.preventDefault();
rightMenu.showAt(e.getXY());
};
返回JSON数据:
stcCallback1001({groups:[{img:'null',id:1,ctime:'2012-08-16 00:00:00.0',description:'这是一个学习java的好地方',name:'java群组',currentpeople:'0/1'},{img:'null',id:2,ctime:'2012-08-09 00:00:00.0',description:'这是学习C++ 最好的群组',name:'C++群组',currentpeople:'0/1'},{img:'null',id:3,ctime:'2012-08-01 00:00:00.0',description:'教你如何养猪',name:'养猪群组 ',currentpeople:'0/1'},{img:'null',id:4,ctime:'2012-08-17 00:00:00.0',description:'教你如和作词啊',name:'做菜群»„',currentpeople:'0/1'}]})
前台请求情况:

本文整理了Java和C++学习相关的群组资源,包括群组名称、创建时间、成员数量等信息,方便学习者加入并获取最新学习资料。
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