解决element的cascader的全选模式下点击label下级全选和一、二级隐去选择框问题

.select-statement {
.el-cascader-panel {
.el-cascader-node__label {
pointer-events: none;
}
.el-scrollbar:first-child {
.el-checkbox {
display: none;
}
}
.el-scrollbar:nth-child(2) {
.el-checkbox {
display: none;
}
}
}
}