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如何爲給定的EXTJS 4.2網格實現分頁。我的代碼中的變量計數器存儲我從服務器（java）端以JSON格式獲得的數據。我使用它將行添加到網格中store.add函數......現在我怎樣才能爲給定的網格實現分頁？ 2財產到商店enablePaging： 我當前的代碼是EXTJS分頁4.2網格問題
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title id='title'>HTML Page setup Tutorial</title>
<link rel="stylesheet" type="text/css" href="ext-all.css" />
<script type="text/javascript" src="ext-all.js"></script>
<script type="text/javascript">
Ext.onReady(function() {
var field = [];
var columnList = [];
var counter = {
"levels":
[{
"name": "class",
"samples": [{
"name": "1660SH_3",
"features": [{
"count": 8,
"name": "Bacteroidia"
}, {
"count": 9,
"name": "Bacteroidiaa"
},
{
"count": 10,
"name": "Bacteroidiab"
},
{
"count": 11,
"name": "Bacteroidiac"
}]
}, {
"name": "1660SH_4",
"features": [{
"count": 5,
"name": "Bacteroidia"
}, {
"count": 6,
"name": "Bacteroidiaa"
},
{
"count": 7,
"name": "Bacteroidiab"
},
{
"count": 8,
"name": "Bacteroidiac"
}]
}]
}, ]
};
columnList.push({
header: "Sample v/s Feature",
dataIndex: "Sample v/s Feature",
width: 0.1 * Ext.getBody().getViewSize().width,
columnLines: true,
locked: true
});
field.push("Sample v/s Feature");
for (var p = 0; p < Object.keys(counter.levels[0].samples).length; p++) {
columnList.push({
header: counter.levels[0].samples[p].name,
dataIndex: counter.levels[0].samples[p].name,
flex: 1,
columnLines: true
});
field.push(counter.levels[0].samples[p].name);
}
if (counter.levels[0].name == 'class') {
var d=[];
for (var p = 0; p < Object.keys(counter.levels[0].samples[0].features).length; p++)
{
var s = {};
s["Sample v/s Feature"] = '<b>' + counter.levels[0].samples[0].features[p].name + '</b>';
for (var j = 0; j < Object.keys(counter.levels[0].samples).length; j++)
{
s[counter.levels[0].samples[j].name] = counter.levels[0].samples[j].features[p].count;
}
d.push(s);
}
var Grid7Store = new Ext.data.ArrayStore({
fields: field,
data: {
count:d.length,
data:d
},
proxy:{
type:"memory",
reader: {
type: 'json',
root: 'data',
totalProperty: 'count'
}
}
});
var classTable = Ext.create('Ext.grid.Panel', {
style: 'border: solid Blue 1px',
id: 'family',
renderTo: Ext.getBody(),
store: Grid7Store,
columns: columnList,
columnLines: true,
width: Ext.getBody().getViewSize().width,
height: Ext.getBody().getViewSize().height,
dockedItems: [
{
xtype: 'pagingtoolbar',
dock: 'bottom',
displayInfo: true,
store: Grid7Store
}
]
});
}
});
</script>
</head>
<body>
</body>
</html>