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