refactor: 删除自定义TreeSelect组件，使用element-plus2.1.8新增TreeSelect组件

Former-commit-id: 8691204802d6240000717fc9effa08adbadcf11c

src/components/TreeSelect/index.vue

@@ -1,155 +0,0 @@
-<template>
-  <div class="el-tree-select">
-    <el-select style="width: 100%" v-model="modelValue" ref="treeSelect" :filterable="true" :clearable="true"
-      @clear="clearHandle" :filter-method="selectFilterData" :placeholder="placeholder">
-      <el-option :value="modelValue" :label="valueTitle">
-        <el-tree id="tree-option" ref="selectTree" :accordion="accordion" :data="options" :props="state.props"
-          :node-key="state.props.value" :expand-on-click-node="false" :default-expanded-keys="defaultExpandedKey"
-          :filter-node-method="filterNode" @node-click="handleNodeClick"></el-tree>
-      </el-option>
-    </el-select>
-  </div>
-</template>
-
-<script setup lang="ts">
-import {
-  ref,
-  getCurrentInstance,
-  nextTick,
-  onMounted,
-  computed,
-  watch
-} from "vue";
-
-const { proxy } = getCurrentInstance() as any;
-
-const state = defineProps({
-  // 配置项
-  props: {
-    type: Object,
-    default: () => {
-      return {
-        value: "value", // 值
-        label: "label", // 名
-        children: "children", // 子级
-      };
-    },
-  },
-  // 自动收起
-  accordion: {
-    type: Boolean,
-    default: () => {
-      return false;
-    },
-  },
-  // v-model 绑定的值
-  modelValue: {
-    type: [String, Number],
-    default: "",
-  },
-  // 数据源
-  options: {
-    type: Array,
-    default: () => {
-      return []
-    }
-  },
-  // 提示文字
-  placeholder: {
-    type: String,
-    default: "",
-  },
-});
-
-const emit = defineEmits(["update:modelValue"]);
-
-const modelValue = computed({
-  get: () => {
-    return state.modelValue;
-  },
-  set: (val) => {
-    emit("update:modelValue", val);
-  },
-});
-const valueTitle = ref("");
-const defaultExpandedKey = ref([] as any[]);
-
-function handleNodeClick(node: any) {
-  valueTitle.value = node[state.props.label];
-  modelValue.value = node[state.props.value];
-  defaultExpandedKey.value = [];
-  proxy.$refs.treeSelect.blur();
-  selectFilterData("");
-}
-
-function selectFilterData(val: any) {
-  proxy.$refs.selectTree.filter(val);
-}
-
-function filterNode(value: any, data: any) {
-  if (!value) return true;
-  return data[state.props["label"]].indexOf(value) !== -1;
-}
-
-function clearHandle() {
-  valueTitle.value = "";
-  modelValue.value = "";
-  defaultExpandedKey.value = [];
-  clearSelected();
-}
-
-function clearSelected() {
-  const allNode = document.querySelectorAll("#tree-option .el-tree-node");
-  allNode.forEach((element) => element.classList.remove("is-current"));
-}
-
-function initHandle() {
-  nextTick(() => {
-    const selectedValue = modelValue.value;
-    if (selectedValue !== null && typeof selectedValue !== "undefined") {
-      const node = proxy.$refs.selectTree.getNode(selectedValue);
-      if (node) {
-        valueTitle.value = node.data[state.props.label];
-        proxy.$refs.selectTree.setCurrentKey(selectedValue); // 设置默认选中
-        defaultExpandedKey.value = [selectedValue]; // 设置默认展开
-      } else {
-        clearHandle();
-      }
-    }
-  });
-}
-
-onMounted(() => {
-  initHandle();
-});
-
-watch(modelValue, () => {
-  initHandle();
-});
-</script>
-
-<style lang='scss' scoped>
-.el-scrollbar .el-scrollbar__view .el-select-dropdown__item {
-  padding: 0;
-  background-color: #fff;
-  height: auto;
-}
-
-.el-select-dropdown__item.selected {
-  font-weight: normal;
-}
-
-ul li .el-tree .el-tree-node__content {
-  height: auto;
-  padding: 0 20px;
-  box-sizing: border-box;
-}
-
-:deep(.el-tree-node__content:hover),
-:deep(.el-tree-node__content:active),
-:deep(.is-current > div:first-child),
-:deep(.el-tree-node__content:focus) {
-  background-color: mix(#fff, #409eff, 90%);
-  color: #409eff;
-}
-</style>