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+XnPageSelect 分页下拉选择器
+====
+
+
+封装说明
+----
+
+>  基础的使用方式与 API 与 [官方版(Select)](https://www.antdv.com/components/select-cn/) 本一致，在其基础上，封装了加载数据的方法。（调用后端分页接口，懒加载的效果查询下拉数据）
+>
+> @zhanggengbi在此基础上完善了功能：下拉查询同时支持搜索框搜索--调用后端数据搜索。
+
+例子1
+----
+（基础使用）
+
+```vue
+
+<template>
+<a-col :span="8">
+    <a-form-item label="选择组织：" name="orgId">
+        <a-tree-select
+                       v-model:value="formData.orgId"
+                       style="width: 100%"
+                       :dropdown-style="{ maxHeight: '400px', overflow: 'auto' }"
+                       placeholder="请选择组织"
+                       allow-clear
+                       tree-default-expand-all
+                       :tree-data="treeData"
+                       :tree-default-expanded-keys="treeDefaultExpandedKeys"
+                       :field-names="{
+                                     children: 'children',
+                                     label: 'name',
+                                     value: 'id'
+                                     }"
+                       @change="selePositionData(formData.orgId, 0)"
+                       ></a-tree-select>
+    </a-form-item>
+    </a-col>
+<a-col :span="8">
+    <a-form-item label="选择职位：" name="positionId">
+        <xn-page-select
+                        ref="xnPositionPageSelectRef"
+                        v-model:value="formData.positionId"
+                        placeholder="请选择职位"
+                        allow-clear
+                        :page-function="selectApiFunction.positionSelector"
+                        />
+    </a-form-item>
+    </a-col>
+</template>
+
+<script setup>
+import XnPageSelect from '@/components/XnPageSelect/'
+import bizUserApi from '@/api/biz/bizUserApi'
+
+// 表单数据
+const formData = ref({})
+const xnPositionPageSelectRef = ref()
+
+// 机构选择后查询对应的职位
+const selePositionData = (orgId, type) => {
+    if (orgId) {
+        const xnPositionPageSelectParam = {
+            orgId: orgId
+        }
+        xnPositionPageSelectRef.value.onPage(xnPositionPageSelectParam)
+        xnUserPageSelectRef.value.onPage()
+        // 此类型代表选择的时候重置后面的职位
+        if (type === 0) {
+            formData.value.positionId = undefined
+            formData.value.directorId = undefined
+        }
+    } else {
+        formData.value.positionId = undefined
+        formData.value.directorId = undefined
+    }
+}
+
+// 传递选择组件需要的API
+const selectApiFunction = {
+    positionSelector: (param) => {
+        return bizUserApi.userPositionSelector(param).then((data) => {
+            return Promise.resolve(data)
+        })
+    },
+}
+
+</script>
+```
+
+
+
+例子2
+----
+
+（支持搜索框搜索--调用后端数据搜索）
+
+```vue
+<template>
+  <xn-page-select
+                  ref="xnCustomerPageSelectRef"
+                  v-model:value="searchFormState.customerInfoId"
+                  placeholder="请选择客户名称"
+                  searchKeyName="customerName"
+                  @change="tableRef.refresh(true);"
+                  allow-clear
+                  show-search
+                  :page-function="selectApiFunction.customerSelector"
+                  />
+</template>
+
+<script setup>
+import XnPageSelect from '@/components/XnPageSelect/'
+import customerInfoApi from "@/api/eden/customerInfoApi";
+
+const xnCustomerPageSelectRef = ref();
+const searchFormState = ref();
+nextTick(() => {
+	xnCustomerPageSelectRef.value.onPage({current: 1});
+});
+const selectApiFunction = {
+	customerSelector: (param) => {
+		return customerInfoApi.customerPage(Object.assign(param, {envFlag: searchFormState.value.envFlag})).then((data) => {
+			if (data.records){
+				data.records = data.records.map((item) => {
+					return {
+						name: item.customerName,
+						id: item.customerInfoId,
+					};
+				});
+			}
+			return Promise.resolve(data)
+		})
+	}
+}
+</script>
+```
+
+![分页下拉查询展示](.\README.assets\分页下拉查询展示.gif)
+
+内置方法
+----
+
+
+| 方法   | 说明         | 参数类型 | 参数示例     |
+| ------ | ------------ | -------- | ------------ |
+| onPage | 请求分页数据 | Object   | {current: 1} |
+
+
+内置属性
+----
+> 除去 `a-select` 自带属性外，还而外提供了一些额外属性属性  
+
+
+| 属性          | 说明                                        | 类型    | 默认值 |
+| ------------- | ------------------------------------------- | ------- | ------ |
+| pageFunction  | 分页函数 必须为 `Promise` 对象 **必须绑定** | Promise | -      |
+| pageSize      | 分页条数                                    | Number  | 10     |
+| showSearch    | 配置是否可搜索                              | Boolean | false  |
+| searchKeyName | 搜索字段属性名                              | String  | ''     |
+
+注意事项
+----
+
+> 分页函数，返回的Promise对象的data数据是分页格式的数据
+>
+> data.records格式如下：{ name: name, id: id }   id最后是你的value，name是你的显示名称 
+
+如果返回的数据data.records格式命名不对，可以重新封装一下
+
+```javascript
+// 示例重新封装一下data.records
+const selectApiFunction = {
+	customerSelector: (param) => {
+		return customerInfoApi.customerPage(Object.assign(param, {envFlag: searchFormState.value.envFlag})).then((data) => {
+			if (data.records){
+				data.records = data.records.map((item) => {
+					return {
+						name: item.customerName,
+						id: item.customerInfoId,
+					};
+				});
+			}
+			return Promise.resolve(data)
+		})
+	}
+}
+```
+更新时间
+----
+
+该文档最后更新于： 2024-06-28 PM 16:45