在节点中加上"checked"属性，会自动生成checkbox。
获取选中节点
var nodeArray = "";
var nodesObj = mytree.getChecked();
var i;var length=nodesObj .length;
for (i = 0; i < length; i++) {
nodeArray += nodesObj[i].id + ','; //允许多选的情况。如果不允许多选，就直接nodesObj[i].id
}
nodeArray = nodeArray.substring(0, nodeArray.length - 1);
Json格式如下：
[{
"text": "To Do",
"cls": "folder",
"expanded": true,
"children": [{
"text": "Go jogging",
"leaf": true,
"checked": true
},{
"text": "Take a nap",
"leaf": true,
"checked": false
},{
"text": "Climb Everest",
"leaf": true,
"checked": false
}]
},{
"text": "Grocery List",
"cls": "folder",
"children": [{
"text": "Bananas",
"leaf": true,
"checked": false
},{
"text": "Milk",
"leaf": true,
"checked": false
},{
"text": "Cereal",
"leaf": true,
"checked": false
},{
"text": "Energy foods",
"cls": "folder",
"children": [{
"text": "Coffee",
"leaf": true,
"checked": false
},{
"text": "Red Bull",
"leaf": true,
"checked": false
}]
}]
},{
"text": "Remodel Project",
"cls": "folder",
"children": [{
"text": "Finish the budget",
"leaf": true,
"checked": false
},{
"text": "Call contractors",
"leaf": true,
"checked": false
},{
"text": "Choose design",
"leaf": true,
"checked": false
}]
}]
以上所述就是本文的全部内容了，希望大家能够喜欢。
标签：
ExtJs,treepanel
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