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uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-pickerview.css

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+.uni-data-pickerview {
+  position: relative;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.loading-cover {
+  position: absolute;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  align-items: center;
+  justify-content: center;
+  background-color: rgba(150, 150, 150, .1);
+}
+
+.error {
+  background-color: #fff;
+  padding: 15px;
+}
+
+.error-text {
+  color: #DD524D;
+}
+
+.selected-node-list {
+  flex-direction: row;
+  flex-wrap: nowrap;
+}
+
+.selected-node-item {
+  margin-left: 10px;
+  margin-right: 10px;
+  padding: 8px 10px 8px 10px;
+  border-bottom: 2px solid transparent;
+}
+
+.selected-node-item-active {
+  color: #007aff;
+  border-bottom-color: #007aff;
+}
+
+.list-view {
+  flex: 1;
+}
+
+.list-item {
+  flex-direction: row;
+  justify-content: space-between;
+  padding: 12px 15px;
+  border-bottom: 1px solid #f0f0f0;
+}
+
+.item-text {
+  color: #333333;
+}
+
+.item-text-disabled {
+  opacity: .5;
+}
+
+.item-text-overflow {
+  overflow: hidden;
+}
+
+.check {
+  margin-right: 5px;
+  border: 2px solid #007aff;
+  border-left: 0;
+  border-top: 0;
+  height: 12px;
+  width: 6px;
+  transform-origin: center;
+  transform: rotate(45deg);
+}

uni_modules/uni-data-picker/components/uni-data-pickerview/uni-data-pickerview.uvue

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+<template>
+  <view class="uni-data-pickerview">
+    <view v-if="error!=null" class="error">
+      <text class="error-text">{{error!.errMsg}}</text>
+    </view>
+    <scroll-view v-if="!isCloudDataList" :scroll-x="true">
+      <view class="selected-node-list">
+        <template v-for="(item, index) in selectedNodes">
+          <text class="selected-node-item" :class="{'selected-node-item-active':index==selectedIndex}"
+            @click="onTabSelect(index)">
+            {{item[mappingTextName]}}
+          </text>
+        </template>
+      </view>
+    </scroll-view>
+    <list-view class="list-view" :scroll-y="true">
+      <list-item class="list-item" v-for="(item, _) in currentDataList" @click="onNodeClick(item)">
+        <text class="item-text" :class="{'item-text-disabled': item['disable']}">{{item[mappingTextName]}}</text>
+        <text class="check" v-if="item[mappingValueName] == selectedNodes[selectedIndex][mappingValueName]"></text>
+      </list-item>
+    </list-view>
+    <view class="loading-cover" v-if="loading">
+      <slot name="pickerview-loading" :loading="loading"></slot>
+    </view>
+  </view>
+</template>
+
+<script>
+  import { dataPicker } from "./uni-data-picker.uts"
+
+  /**
+   * DataPickerview
+   * @description uni-data-pickerview
+   * @tutorial https://ext.dcloud.net.cn/plugin?id=3796
+   * @property {Array} localdata 本地数据，参考
+   * @property {Boolean} step-searh = [true|false] 是否分布查询
+   * @value true 启用分布查询，仅查询当前选中节点
+   * @value false 关闭分布查询，一次查询出所有数据
+   * @property {String|DBFieldString} self-field 分布查询当前字段名称
+   * @property {String|DBFieldString} parent-field 分布查询父字段名称
+   * @property {String|DBCollectionString} collection 表名
+   * @property {String|DBFieldString} field 查询字段，多个字段用 `,` 分割
+   * @property {String} orderby 排序字段及正序倒叙设置
+   * @property {String|JQLString} where 查询条件
+   */
+  export default {
+    name: 'UniDataPickerView',
+    emits: ['nodeclick', 'change', 'update:modelValue'],
+    mixins: [dataPicker],
+    props: {
+      ellipsis: {
+        type: Boolean,
+        default: true
+      }
+    },
+    created() {
+      this.loadData()
+    },
+    methods: {
+      onFinish() {
+        this.$emit('change', this.getChangeNodes())
+      }
+    }
+  }
+</script>
+
+<style>
+  @import url("uni-data-pickerview.css");
+</style>