2020-07-28 10:03:53 +08:00
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---
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title: Checkbox 勾选框
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2021-01-04 20:10:08 +08:00
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description:
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2020-07-28 10:03:53 +08:00
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type: 0
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group: null
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menuName: Checkbox
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2021-01-04 20:10:08 +08:00
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icon:
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2020-07-28 10:03:53 +08:00
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order: 8
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---
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2021-01-04 20:10:08 +08:00
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用于实现勾选,功能和 [Switch](./switch) 类似,只是展现上不同。
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2020-07-28 10:03:53 +08:00
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## 基本用法
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2021-01-07 23:35:03 +08:00
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```schema: scope="body"
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2020-07-28 10:03:53 +08:00
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{
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"type": "form",
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"controls": [
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{
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"name": "checkbox",
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"type": "checkbox",
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"label": "勾选框",
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"option": "选项说明"
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}
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]
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}
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```
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## 配置真假值
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默认情况:
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2021-01-04 20:10:08 +08:00
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2020-07-28 10:03:53 +08:00
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- 勾选框勾选时,表单项值为:true
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- 勾选框取消勾选时,表单项值为:false
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2021-01-07 23:35:03 +08:00
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```schema: scope="body"
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2020-07-28 10:03:53 +08:00
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{
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"type": "form",
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"debug": true,
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"controls": [
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{
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"name": "checkbox",
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"type": "checkbox",
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"label": "勾选框"
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}
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]
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}
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```
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如果你想调整这个值,可以配置`trueValue`和`falseValue`
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2021-01-07 23:35:03 +08:00
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```schema: scope="body"
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2020-07-28 10:03:53 +08:00
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{
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"type": "form",
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"debug": true,
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"controls": [
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{
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"name": "checkbox",
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"type": "checkbox",
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"label": "勾选框",
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"trueValue": 1,
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"falseValue": 0
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}
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]
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}
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```
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勾选上例中的勾选框,观察数据域变化,会发现勾选后值为`1`,而取消勾选后为`0`
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## 属性表
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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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2021-01-04 20:10:08 +08:00
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| 属性名 | 类型 | 默认值 | 说明 ## 二级标题 |
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| ---------- | -------- | --------- | ---------------- |
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| option | `string` | | 选项说明 |
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| trueValue | `any` | `true` | 标识真值 |
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| falseValue | `any` | `"false"` | 标识假值 |
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