var nodeCheckedSilent = false; 
function nodeChecked (event, node){ 
 if(nodeCheckedSilent){ 
  return; 
 } 
 nodeCheckedSilent = true; 
 checkAllParent(node); 
 checkAllSon(node); 
 nodeCheckedSilent = false; 
} 
 
var nodeUncheckedSilent = false; 
function nodeUnchecked (event, node){ 
 if(nodeUncheckedSilent) 
  return; 
 nodeUncheckedSilent = true; 
 uncheckAllParent(node); 
 uncheckAllSon(node); 
 nodeUncheckedSilent = false; 
} 
 
//选中全部父节点 
function checkAllParent(node){ 
 $('#searchTree').treeview('checkNode',node.nodeId,{silent:true}); 
 var parentNode = $('#searchTree').treeview('getParent',node.nodeId); 
 if(!("nodeId" in parentNode)){ 
  return; 
 }else{ 
  checkAllParent(parentNode); 
 } 
} 
//取消全部父节点 
function uncheckAllParent(node){ 
 $('#searchTree').treeview('uncheckNode',node.nodeId,{silent:true}); 
 var siblings = $('#searchTree').treeview('getSiblings', node.nodeId); 
 var parentNode = $('#searchTree').treeview('getParent',node.nodeId); 
 if(!("nodeId" in parentNode)) { 
  return; 
 } 
 var isAllUnchecked = true; //是否全部没选中 
 for(var i in siblings){ 
  if(siblings[i].state.checked){ 
   isAllUnchecked=false; 
   break; 
  } 
 } 
 if(isAllUnchecked){ 
  uncheckAllParent(parentNode); 
 } 
 
} 
 
//级联选中所有子节点 
function checkAllSon(node){ 
 $('#searchTree').treeview('checkNode',node.nodeId,{silent:true}); 
 if(node.nodes!=null&&node.nodes.length>0){ 
  for(var i in node.nodes){ 
   checkAllSon(node.nodes[i]); 
  } 
 } 
} 
//级联取消所有子节点 
function uncheckAllSon(node){ 
 $('#searchTree').treeview('uncheckNode',node.nodeId,{silent:true}); 
 if(node.nodes!=null&&node.nodes.length>0){ 
  for(var i in node.nodes){ 
   uncheckAllSon(node.nodes[i]); 
  } 
 } 
} 

$('#searchTree').treeview({ 
  showCheckbox:true, 
  data:treeData, 
  onNodeChecked:nodeChecked , 
  onNodeUnchecked:nodeUnchecked 
 });