bootstrap插件treeview实现全选父节点下所有子节点和反选功能

<h2>TreeView Checkable</h2><div id="treeview-checkable"></div>

function getTvStateData() {   var defaultData = [    {     text: 'Parent 1',     href: '#parent1',     tags: ['4'],     state: {      checked: true     },     nodes: [      {       text: 'Child 1',       href: '#child1',       tags: ['2'],       nodes: [        {         text: 'Grandchild 1',         href: '#grandchild1',         tags: ['0']        },        {         text: 'Grandchild 2',         href: '#grandchild2',         tags: ['0']        }       ]      },      {       text: 'Child 2',       href: '#child2',       tags: ['0']      }     ]    },    {     text: 'Parent 2',     href: '#parent2',     tags: ['0'],     nodes: [      {       text: 'Child 1',       href: '#child1',       tags: ['2'],       nodes: [        {         text: 'Grandchild 1',         href: '#grandchild1',         tags: ['0']        },        {         text: 'Grandchild 2',         href: '#grandchild2',         tags: ['0']        }       ]      },      {       text: 'Child 2',       href: '#child2',       tags: ['0']      }     ]    },    {     text: 'Parent 3',     href: '#parent3'    },    {     text: 'Parent 4',     href: '#parent4',     tags: ['0']    },    {     text: 'Parent 5',     href: '#parent5',     tags: ['0']    }   ];   return defaultData;  }

$(function() { var $checkableTree = $('#treeview-checkable')    .treeview({     data: getTvStateData(), //数据     showIcon: false,     showCheckbox: true,     levels: 1,     onNodeChecked: function(event, node) { //选中节点      var selectNodes = getChildNodeIdArr(node); //获取所有子节点      if (selectNodes) { //子节点不为空，则选中所有子节点       $('#treeview-checkable').treeview('checkNode', [selectNodes, { silent: true }]);      }      var parentNode = $("#treeview-checkable").treeview("getNode", node.parentId);      setParentNodeCheck(node);     },     onNodeUnchecked: function(event, node) { //取消选中节点      var selectNodes = getChildNodeIdArr(node); //获取所有子节点      if (selectNodes) { //子节点不为空，则取消选中所有子节点       $('#treeview-checkable').treeview('uncheckNode', [selectNodes, { silent: true }]);      }     },     onNodeExpanded:      function(event, data) {       if (data.nodes === undefined || data.nodes === null) {               } else if (data.tags[0] === "2") {        alert("Tags 2");       } else {        alert("1111");       }      }    }); });

function getChildNodeIdArr(node) {   var ts = [];   if (node.nodes) {    for (x in node.nodes) {     ts.push(node.nodes[x].nodeId);     if (node.nodes[x].nodes) {      var getNodeDieDai = getChildNodeIdArr(node.nodes[x]);      for (j in getNodeDieDai) {       ts.push(getNodeDieDai[j]);      }     }    }   } else {    ts.push(node.nodeId);   }   return ts;  }  function setParentNodeCheck(node) {   var parentNode = $("#treeview-checkable").treeview("getNode", node.parentId);   if (parentNode.nodes) {    var checkedCount = 0;    for (x in parentNode.nodes) {     if (parentNode.nodes[x].state.checked) {      checkedCount ++;     } else {      break;     }    }    if (checkedCount === parentNode.nodes.length) {     $("#treeview-checkable").treeview("checkNode", parentNode.nodeId);     setParentNodeCheck(parentNode);    }   }  }