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语源科技BlogJava-thisblogxfhttp://www.blogjava.net/thisblogxf/zh-cnThu, 07 May 2026 03:21:37 GMTThu, 07 May 2026 03:21:37 GMT60Extjs 树形结构的级联选择http://www.blogjava.net/thisblogxf/archive/2011/03/24/346971.htmlCLOGCLOGThu, 24 Mar 2011 09:53:00 GMThttp://www.blogjava.net/thisblogxf/archive/2011/03/24/346971.htmlhttp://www.blogjava.net/thisblogxf/comments/346971.htmlhttp://www.blogjava.net/thisblogxf/archive/2011/03/24/346971.html#Feedback0http://www.blogjava.net/thisblogxf/comments/commentRss/346971.htmlhttp://www.blogjava.net/thisblogxf/services/trackbacks/346971.html 1

tree.on('checkchange', function(node, checked) {
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selParent(node, checked);
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selChild(node, checked);
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}, tree);
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//这个方法是选择父节点,自动选中所有的子节点
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function selParent(node, checked) {
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checked ? node.expand() : node.collapse();
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if (node.hasChildNodes()) {
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node.eachChild(function(child) {
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child.attributes.checked = checked;
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var cb = child.ui.checkbox;
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if (cb) cb.checked = checked;
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selParent(child, checked);
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});
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}
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}
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//这个方法是选择子节点,自动选中父节点的父节点
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function selChild(node, checked) {
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if (checked) {
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node.expand();
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var parentNode = node.parentNode;
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if (parentNode != undefined) {
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parentNode.attributes.checked = checked;
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var cb = parentNode.ui.checkbox;
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if (cb) cb.checked = checked;
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selChild(parentNode, checked);
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}
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}
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}

CLOG 2011-03-24 17:53 发表评论

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