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86 lines
2.4 KiB
Markdown
86 lines
2.4 KiB
Markdown
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---
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title: City 城市选择器
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description:
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type: 0
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group: null
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menuName: City
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icon:
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order: 10
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---
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城市选择器，可用于让用户输入城市。
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## 基本用法
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```schema:height="400" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"name": "city",
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"type": "city",
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"label": "城市"
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}
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]
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}
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```
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观察数据域中表单项的值，存储的是位置邮编。
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## 配置选择级别
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可以通过设置 `allowDistrict` 和 `allowCity` 设置用户选择级别，例如只选择省份：
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```schema:height="400" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"name": "city",
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"type": "city",
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"label": "城市",
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"allowDistrict": false,
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"allowCity": false
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}
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]
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}
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```
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## 获取更多选项信息
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表单项值默认格式是编码（即 `code`），如果你想要详细点的信息，可以把 `extractValue` 设置成 `false`。
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```schema:height="400" scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://houtai.baidu.com/api/mock2/form/saveForm",
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"controls": [
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{
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"name": "city",
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"type": "city",
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"label": "城市",
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"extractValue": false
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}
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]
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}
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```
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## 属性表
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当做选择器表单项使用时，除了支持 [普通表单项属性表](./formitem#%E5%B1%9E%E6%80%A7%E8%A1%A8) 中的配置以外，还支持下面一些配置
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| 属性名 | 类型 | 默认值 | 说明 |
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| ------------- | --------- | ------ | --------------------------------------------------------------------------------------------------------------------- |
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| allowCity | `boolean` | `true` | 允许选择城市 |
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| allowDistrict | `boolean` | `true` | 允许选择区域 |
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| extractValue | `boolean` | `true` | 默认 `true` 是否抽取值，如果设置成 `false` 值格式会变成对象，包含 `code`、`province`、`city` 和 `district` 文字信息。 |
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