Element-ui中Tree的使用,以及全選反選獲取id
阿新 • • 發佈:2020-09-09
<el-checkbox v-model="checkAll" @change="handleCheckAllChange">全選</el-checkbox> <el-tree :data="data" show-checkbox default-expand-all node-key="module_id" ref="tree" highlight-current :props="defaultProps" @check="nodeClick" ></el-tree>
data() { return { checkAll: false, select_box: [], data: [], //tree defaultProps: { children: 'child', label:'module_name' } }; },
handleCheckAllChange(val) { if (this.checkAll) {
//全選 this.$nextTick(function () { this.$refs.tree.setCheckedNodes(this.data); }); } else {
//反選 this.$nextTick(function () {this.$refs.tree.setCheckedKeys([]); }); } this.$nextTick(function () {
//獲取id let select_box = []; this.$refs.tree.getCheckedNodes().forEach((item) => { select_box.push(item.module_id); }); this.select_box = select_box; // console.log(this.select_box, 'select_box888'); }); }, nodeClick(data, node, e) {
//點選的時候獲取到所有選中的 // console.log(this.$refs.tree.getCheckedNodes(), 'console.log(this.$refs.tree.getCheckedNodes());'); let select_box = []; this.$refs.tree.getCheckedNodes().forEach((item) => { select_box.push(item.module_id); }); this.select_box = select_box; console.log(this.select_box, 'select_box'); },