handleCheck(checkedKeys,checkedNodes,halfCheckedKeys,halfCheckedNodes){var len = 0,num = 0;var _alen = 0;var a =[];var b =[];var copyArr =[];for (var i = 0;i < checkedNodes.checkedNodes.length;i++){//记录子节点的索引

if (checkedNodes.checkedNodes[i].children === null) {

len++;

b.push(i)

}//判断是否有全选，如果有，则获取父节点信息的索引

if (checkedNodes.checkedNodes[i].children != null) {

num++;

a.push(i)

}

}

console.log('num')

console.log(checkedNodes.halfCheckedKeys)

console.log(num)

console.log('a')

console.log(a)//如果都是半选状态

if ( num === 0) {//将全是半选的模式设置为1

this.flag = 1

//将父节点信息和子节点信息加入到param数组中(这个数组与后台数据交互)

this.param =[]

let _pollutant={}this.pollutant.projectId = this.iddthis.pollutant.subCateId = checkedNodes.halfCheckedKeys[checkedNodes.checkedKeys.length-1]this.pollutant.cateId = checkedNodes.checkedKeys[checkedNodes.checkedKeys.length-1]

Object.assign(_pollutant,this.pollutant)this.param.push(_pollutant)

console.log('半选状态')

console.log(this.param)

}//如果都是全选状态

if (num > 0 && checkedNodes.halfCheckedKeys.length === 0) {//如果由半选进入全选状态，则将数组置空，然后将该父节点下的所有子节点放入数组中

if (this.flag === 1)this.param =[]//如果由混合进入全选状态，这时如果将这个父节点的所有子节点加入数组则会有重复数据，这时需要删除之前多加的数据

if (this.flag === 3) {this.param.splice(this.param.length-1,1)

}//获取最新父节点的索引以及该父节点的长度

_alen= a.length-1;var length =checkedNodes.checkedNodes[a[_alen]].children.length;

console.log(length)//最新父节点下的所有子节点放到数组

for (var j = 0;j

let _pollutant={}this.pollutant.projectId = this.iddthis.pollutant.subCateId =checkedNodes.checkedNodes[a[_alen]].idthis.pollutant.cateId =checkedNodes.checkedNodes[a[_alen]].children[j].id

Object.assign(_pollutant,this.pollutant)this.param.push(_pollutant)

}

console.log('全选状态')

console.log(this.param)//将当前全选状态设置为2

this.flag = 2;

}//如果是全选和半选都有

if (num > 0 && checkedNodes.halfCheckedKeys.length != 0) {

console.log(checkedNodes.checkedNodes)

console.log(checkedNodes.halfCheckedNodes)

_alen= a.length - 1console.log(a[_alen])//如果之前操作全是半选模式 或者是混合模式 ，则将全选的再加入数组

if (this.flag === 1 || this.flag === 3) {var length =checkedNodes.checkedNodes[a[_alen]].children.length;for (var j = 0;j

let _pollutant={}this.pollutant.projectId = this.iddthis.pollutant.subCateId =checkedNodes.checkedNodes[a[_alen]].idthis.pollutant.cateId =checkedNodes.checkedNodes[a[_alen]].children[j].id

Object.assign(_pollutant,this.pollutant)this.param.push(_pollutant)

}

}

console.log(this.flag)

console.log('flag')//将全选之后的节点放到数组中//如果之前操作全是全选，则将半选的再加入数组

if (this.flag === 2) {

console.log('CNlen')var CNlen = a[_alen] + checkedNodes.checkedNodes[a[_alen]].children.length +1console.log(CNlen)

console.log(checkedNodes.halfCheckedKeys.length)for (var i = CNlen;i < checkedNodes.checkedNodes.length; i++) {

let _pollutant={}this.pollutant.projectId = this.iddthis.pollutant.subCateId = checkedNodes.halfCheckedKeys[checkedNodes.halfCheckedKeys.length-1]this.pollutant.cateId =checkedNodes.checkedNodes[i].id

Object.assign(_pollutant,this.pollutant)this.param.push(_pollutant)

}

}

console.log('全选和半选')

console.log(this.param)this.flag = 3}

},