amis2/docs/zh-CN/components/form/formitem.md

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---
title: FormItem 普通表单项
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description:
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type: 0
group: null
menuName: Formula 表单项通用
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icon:
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order: 1
---
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**表单项** 是组成一个表单的基本单位,它具有的一些特性会帮助我们更好地实现表单操作。
> 所有派生自`FormItem`的组件,都具有`FormItem`的特性。
## 基本用法
最基本的表单项配置像这样:
```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "文本框",
"name": "text"
},
{
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"type": "input-password",
"label": "<a href='./password'>密码</a>",
"name": "password"
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}
]
}
```
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- `name`: **必填属性**,标识表单数据域中,当前表单项值的`key`,这个 name 可以是深层结构,比如 `aa.bb`
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- `type`: **必填属性**,标识表单项类型
- `label`: 标识表单项的标签
> 所有表单项都只可以配置在`form`组件中,即`form`的`body`属性中。
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## 表单项展示
### 内联模式
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通过配置`"mode": "inline"`,标识当前表单项使用内联模式。
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```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "常规",
"name": "text1"
},
{
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"type": "input-text",
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"label": "内联",
"name": "text2",
"mode": "inline"
},
{
"type": "input-text",
"label": "内联2",
"name": "text2",
"mode": "inline"
},
{
"type": "group",
"mode": "inline",
"body": [
{
"type": "input-text",
"label": "内联3",
"name": "text2"
},
{
"type": "input-text",
"label": "内联4",
"name": "text2"
}
]
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}
]
}
```
### 表单项尺寸
可以配置`size`,来调整表单项的尺寸,支持`'xs' | 'sm' | 'md' | 'lg' | 'full'`,如下:
```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "极小",
"name": "text-xs",
"size": "xs"
},
{
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"type": "input-text",
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"label": "小",
"name": "text-sm",
"size": "sm"
},
{
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"type": "input-text",
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"label": "中",
"name": "text-md",
"size": "md"
},
{
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"type": "input-text",
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"label": "大",
"name": "text-lg",
"size": "lg"
},
{
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"type": "input-text",
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"label": "占满",
"name": "text-lg",
"size": "full"
}
]
}
```
> 不同组件的`size`效果可能会有所不同,具体请参考对应的组件文档。
### 表单项标签
设置`label`属性来配置表单项标签。
当表单为水平布局时,左边即便是不设置`label`为了保持对齐也会留空,如果想要去掉空白,请设置成`false`。
```schema: scope="body"
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{
"type": "form",
"mode": "horizontal",
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"body": [
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{
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"type": "input-text",
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"label": "常规",
"name": "text1",
"placeholder": "常规标签"
},
{
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"type": "input-text",
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"label": "",
"name": "text1",
"placeholder": "不显示标签"
},
{
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"type": "input-text",
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"label": false,
"name": "text1",
"placeholder": "不显示标签且清除空间"
}
]
}
```
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### 表单项标签提示
配置`labelRemark`可以实现标签描述提示
```schema: scope="body"
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{
"type": "form",
"mode": "horizontal",
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"body": [
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{
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"type": "input-text",
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"label": "无标签提示",
"name": "text1"
},
{
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"type": "input-text",
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"label": "有标签提示",
"labelRemark": "这是一段提示",
"name": "text2"
},
{
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"type": "input-text",
"label": "更复杂的标签提示",
"labelRemark": {
"type": "remark", "title": "提示", "content": "<pre>first \nsecond\n${text1}</pre>"
},
"name": "text3"
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}
]
}
```
其它配置请参考 [Remark](../remark)。
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### 配置禁用
##### 静态配置
通过配置`"disabled": true`来禁用表单项
```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "常规",
"name": "text1"
},
{
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"type": "input-text",
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"label": "禁用",
"name": "text2",
"disabled": true
},
{
"type": "grid",
"columns": [
{
"body": [
{
"type": "input-text",
"label": "姓名",
"name": "name",
"value": "amis",
"disabled": true
}
]
},
{
"body": [
{
"type": "input-email",
"label": "邮箱",
"name": "email",
"disabled": true
}
]
}
]
},
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]
}
```
##### 通过条件配置是否禁用
你也通过[表达式](../../../docs/concepts/expression)配置`disabledOn`,来实现在某个条件下禁用当前表单项.
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```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-number",
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"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
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"type": "input-text",
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"label": "文本",
"name": "text",
"disabledOn": "this.number > 1",
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"description": "当数量大于1的时候该文本框会被禁用"
}
]
}
```
### 配置显隐
##### 静态配置
通过配置`"hidden": true`或者`"visible": false`来禁用表单项
```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "常规",
"name": "text1"
},
{
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"type": "input-text",
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"label": "隐藏",
"name": "text2",
"hidden": true
}
]
}
```
上例中的`text2`被隐藏了。
##### 通过条件配置显隐
你也通过[表达式](../../../docs/concepts/expression)配置`hiddenOn`,来实现在某个条件下禁用当前表单项.
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```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-number",
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"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
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"type": "input-text",
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"label": "文本",
"name": "text",
"hiddenOn": "this.number > 1",
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"description": "当数量大于1的时候该文本框会隐藏"
}
]
}
```
> `visible`和`hidden``visibleOn`和`hiddenOn`除了判断逻辑相反以外,没有任何区别
### 配置静态展示
> 2.4.0 及以上版本
##### 静态配置
通过配置`"static": true`来将表单项以静态形式展示
可以在[示例页](../../../examples/form/switchDisplay)查看支持静态展示的表单项的展示方式
```schema: scope="body"
{
"type": "form",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"label": "静态",
"name": "text1",
"value": "text1的值",
"static": true
},
{
"type": "input-text",
"label": "输入态",
"name": "text2",
"value": "text2的值"
}
]
}
```
##### 通过条件配置静态/输入态
也可以通过[表达式](../../../docs/concepts/expression)配置`staticOn`,来实现在某个条件下将当前表单项状态的的自动切换.
```schema: scope="body"
{
"type": "form",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-number",
"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
"type": "input-text",
"label": "文本",
"name": "text",
"staticOn": "this.number > 1",
"value": "text value",
"description": "当数量大于1的时候该文本框会变成静态"
}
]
}
```
##### 自定义展示态的展示方式
通过配置`staticSchema`,可以自定义静态展示时的展示方式
```schema: scope="body"
{
"type": "form",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"name": "var3",
"label": "自定义展示态schema",
"value": "表单项value",
"static": true,
"staticSchema": [
"自定义前缀 | ",
{
"type": "tpl",
"tpl": "${var3}"
},
" | 自定义后缀",
]
}
]
}
```
##### 限制选择器类组件的展示数量
下拉选择器、多选框等组件当选项过多静态展示时若全部展示会占用页面很多空间所以默认进行了限制10 个)
可以通过配置`staticSchema.limit`,可以自定义静态展示时的数量
```schema: scope="body"
{
"type": "form",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-tag",
"name": "tags",
"label": "自定义展示数量",
"value": "1,2,3,4,5,6,7,8",
"options": [
{"label": "选项1", "value": "选项1"},
{"label": "选项2", "value": "选项2"},
{"label": "选项3", "value": "选项3"},
{"label": "选项4", "value": "选项4"},
{"label": "选项5", "value": "选项5"},
{"label": "选项6", "value": "选项6"},
{"label": "选项7", "value": "选项7"},
{"label": "选项8", "value": "选项8"}
],
"static": true,
"staticSchema": {
"limit": 3
}
}
]
}
```
##### 通过事件动作切换表单项状态
也支持使用 事件动作 切换表单项的 输入态和展示态(静态),也可以使用动作对整个表单进行状态切换
```schema: scope="body"
{
"type": "form",
"title": "单个表单项状态切换",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"id": "formItemSwitch",
"name": "var1",
"label": "使用事件动作状态切换",
"value": "text"
},
{
"type": 'button-toolbar',
"name": 'button-toolbar',
"buttons": [
{
"type": "button",
"label": "输入态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "nonstatic",
"componentId": "formItemSwitch"
}
]
}
}
},
{
"type": "button",
"label": "展示态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "static",
"componentId": "formItemSwitch"
}
]
}
}
}
],
"className": 'show'
},
],
"actions": []
}
```
##### 表单项静态展示优先级
1. 表单项配置为`static: true` 时,始终保持静态展示;
```schema: scope="body"
{
"type": "form",
"title": "父表单 static: true",
"static": true,
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"label": "text1为静态 static: true",
"static": true,
"value": "value",
"name": "text1",
"description": "配置了static: true, 所以是静态"
},
{
"type": "input-text",
"value": "value",
"name": "text2",
"label": "text2",
"description": "其他表单项是 输入态"
}
]
}
```
2. 表单项配置为`static: false` 或 `不配置` 时,跟随父表单的状态;
```schema: scope="body"
{
"type": "form",
"static": true,
"title": "父表单为静态 static: true",
"mode": "horizontal",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"label": "text1为静态 static: true",
"static": true,
"value": "value",
"name": "text1"
},
{
"type": "input-text",
"label": "text2为输入态 static: false",
"static": false,
"value": "value",
"name": "text2",
"description": "虽然配置了static: false, 但是仍然和父表单保持一致"
},
{
"type": "input-text",
"label": "text3 未配置 static 属性",
"value": "value",
"name": "text3",
"description": "未配置static时和父表单保持一致"
}
]
}
```
3. 使用 `事件动作` 切换表单项 的 静态/展示态,优先级最高,将无视 `schema` 配置
```schema: scope="body"
{
"type": "form",
"static": true,
"title": "父表单为静态 static: true",
"mode": "horizontal",
"id": "myForm",
"labelWidth": 220,
"body": [
{
"type": "input-text",
"label": "text1",
"static": true,
"value": "value",
"name": "text1",
"id": "text1",
"description": "初始配置了static: true, 但是后续可以使用动作切换状态"
},
{
"type": "button-toolbar",
"name": "button-toolbar1",
"label": "text1 切换状态",
"buttons": [
{
"type": "button",
"label": "静态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "static",
"componentId": "text1"
}
]
}
}
},
{
"type": "button",
"label": "输入态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "nonstatic",
"componentId": "text1"
}
]
}
}
}
]
},
{
"type": "input-text",
"label": "text2",
"static": false,
"value": "value",
"name": "text2",
"id": "text2",
"description": "初始配置了static: false, 但是后续可以使用动作切换状态"
},
{
"type": "button-toolbar",
"name": "button-toolbar2",
"label": "text2 切换状态",
"buttons": [
{
"type": "button",
"label": "静态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "static",
"componentId": "text2"
}
]
}
}
},
{
"type": "button",
"label": "输入态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "nonstatic",
"componentId": "text2"
}
]
}
}
}
]
},
{
"type": "input-text",
"label": "text3",
"value": "value",
"name": "text3",
"description": "无配置,跟随父表单变化"
},
{
"type": "divider"
},
{
"type": "button-toolbar",
"name": "button-toolbar0",
"label": "父表单 切换状态",
"buttons": [
{
"type": "button",
"label": "静态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "static",
"componentId": "myForm"
}
]
}
}
},
{
"type": "button",
"label": "输入态",
"level": "primary",
"onEvent": {
"click": {
"actions": [
{
"actionType": "nonstatic",
"componentId": "myForm"
}
]
}
}
}
]
}
]
}
```
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## 表单项值
表单项值,即表单项通过用户交互发生变化后,更新表单数据域中同`name`变量值.
```schema: scope="body"
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{
"type": "form",
"debug": true,
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"body": [
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{
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"type": "input-text",
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"label": "姓名",
"name": "name"
}
]
}
```
如上例,更改姓名表单项值,可以改变表单数据域中`name`变量的值。
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也支持链式配置 `name`属性,例如:`aaa.bbb`
```schema: scope="body"
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{
"type": "form",
"debug": true,
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"body": [
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{
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"type": "input-text",
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"label": "姓名",
"name": "person.name"
}
]
}
```
观察上例,这样更改表单项值,会改变数据域中`person.name`的值
```json
{
"person": {
"name": "xxx"
}
}
```
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## 配置默认值
通过配置`value`属性,可以设置表单项的默认值。
```schema: scope="body"
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{
"type": "form",
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"body": [
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{
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"type": "input-text",
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"label": "text",
"name": "text",
"value": "hello world!",
"description": "拥有默认值的 text"
}
]
}
```
> 1.10.0 及之后版本(备注:可通过 1.9.1-beta.12 及之后版本提前试用)
`value`支持表达式,也就是说可以直接配置类似于这样的语法:`${xxx}`,如果想要获取当前数据域中的某个变量,可以设置该表单项`value`为`${name1}`,如下:
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```schema: scope="body"
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{
"type": "form",
"debug": true,
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"data":{
"name1": "hello world!"
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},
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"body": [
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{
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"type": "input-text",
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"label": "text",
"name": "test1",
"value": "${name1}",
"description": "默认值支持表达式: ${name1}"
}
]
}
```
`value`也支持表达式运算,可以配置类似于这样的语法:`${num1 + 2}`,如下:
```schema: scope="body"
{
"type": "form",
"body": [
{
"type": "input-number",
"label": "num1",
"name": "num1",
"value": "123"
},
{
"type": "input-text",
"label": "text",
"name": "test1",
"value": "${num1 + 2}",
"description": "默认值支持表达式运算: ${num1 + 2}"
}
]
}
```
`value`表达式支持[namespace](../../../docs/concepts/data-mapping#namespace),可以配置类似于这样的语法:`${window:document.title}`,意思是从全局变量中取页面的标题。如下:
```schema: scope="body"
{
"type": "form",
"body": [
{
"type": "input-text",
"label": "text",
"name": "test1",
"value": "${window:document.title}",
"description": "默认值表达式支持namespace: ${window:document.title}"
}
]
}
```
**tip** value 表达式(`${xxx}`)支持 模板字符串、链式取值、过滤器,详细用法参考[数据映射](../../../docs/concepts/data-mapping)。
我们也可以不设置 value 表达式,通过 name 来映射当前数据域中某个字段。比如我们表单数据域中有变量`"text1": "hello world!"`,然后我们设置表达项`"name": "text1"`,这样就可以自动映射值了。如下:
```schema: scope="body"
{
"type": "form",
"debug": true,
"data":{
"text1": "hello world!"
},
"body": [
{
"type": "input-text",
"label": "text",
"name": "text1",
"description": "关联数据域中的text1"
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}
]
}
```
关于优先级问题,当我们同时设置了 value 表达式`${xxx}`和`name`值映射,会优先使用 value 表达式`${xxx}`。只有当 value 为普通字符串`非${xxx}`时,才会使用`name`值映射。如下:
```schema: scope="body"
{
"type": "form",
"debug": true,
"data":{
"item1": "hello world!",
"item2": "hello amis!",
"item3": "hello amis-editor!"
},
"body": [
{
"type": "input-text",
"label": "test1",
"name": "test1",
"value": "123",
"description": "普通value默认值"
},
{
"type": "input-text",
"label": "test2",
"name": "item1",
"description": "关联数据域中的item1"
},
{
"type": "input-text",
"label": "test3",
"name": "item2",
"value": "345",
"description": "非value表达式\\${xxx}则优先使用name映射"
},
{
"type": "input-text",
"label": "test4",
"name": "item3",
"value": "${test1}",
"description": "value表达式\\${xxx})优先级最高"
}
]
}
```
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**tip** 默认在解析表达式时,遇到`$`字符会尝试去解析该变量并替换成对应变量,如果你想输出纯文本`"${xxx}"`,那么需要在`$`前加转义字符`"\\"`,即`"\\${xxx}"`,如下所示:
```schema: scope="body"
{
"type": "form",
"body": [
{
"type": "input-text",
"label": "test1",
"name": "test1",
"value": "\\${name}",
"description": "显示输出纯文本"
},
{
"type": "input-text",
"label": "test2",
"name": "test2",
"value": "my name is \\${name}",
"description": "显示输出纯文本"
}
]
}
```
## 隐藏时删除表单项值
默认情况下,在通过 `hiddenOn``visibleOn` 配置显隐交互时,被隐藏的表单项值,不会在当前表单数据域中删除,例如:
```schema: scope="body"
{
"type": "form",
"debug":"true",
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"body": [
{
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"type": "input-number",
"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
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"type": "input-text",
"label": "文本",
"value":"这是一段文本",
"name": "text",
"hiddenOn": "this.number > 1",
"description": "当数量大于1的时候该文本框会隐藏"
}
]
}
```
观察上例,在调整 `number` 数量大于 1 时,`文本` 表单项会隐藏,但是对应的表单数据域中的 `text` 变量值仍存在。
如果想要实现隐藏表单项后,在当前表单数据域中删除该表单项对应的值,那么可以在当前表单项上配置 `"clearValueOnHidden": true`
```schema: scope="body"
{
"type": "form",
"debug":"true",
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"body": [
{
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"type": "input-number",
"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
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"type": "input-text",
"label": "文本",
"value":"这是一段文本",
"name": "text",
"hiddenOn": "this.number > 1",
"description": "当数量大于1的时候该文本框会隐藏",
"clearValueOnHidden": true
}
]
}
```
再次观察上例,当 `文本` 表单项隐藏时,对应的 `text` 变量也会被删除掉。
> 注意: 如果有其他同 name 的表达项的存在,即使其他表单项值没有隐藏,也会在数据域中删掉该值。
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## 表单项必填
### 静态配置
通过配置`"required": true`来标识该表单项为必填。
```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "常规",
"name": "text",
"required": true
}
]
}
```
### 满足条件校验必填
你也通过[表达式](../../../docs/concepts/expression)配置`requiredOn`,来实现在某个条件下使当前表单项必填。
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```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-number",
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"label": "数量",
"name": "number",
"value": 0,
"description": "调整数量大小查看效果吧!"
},
{
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"type": "input-text",
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"label": "文本",
"name": "text",
"requiredOn": "this.number > 1",
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"description": "当数量大于1的时候该文本框为必填"
}
]
}
```
## 格式校验
可以配置`validations`属性,指定校验当前表单项值的格式
可以通过对象形式配置
```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": {
"isNumeric": true
},
"description": "请输入数字类型文本"
}
]
}
```
同样也可以配置多个格式校验,按顺序进行校验,中途校验不通过就会终止
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```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": {
"isNumeric": true,
"minimum": 10
},
"validateOnChange": true,
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"description": "请输入数字类型文本"
}
]
}
```
### 字符串形式(不推荐)
也可以配置字符串形式来指定,如下例,输入不合法的值,点击提交会报错并显示报错信息。(注意日期时间类的校验规则不支持字符串形式)
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```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": "isNumeric",
"description": "请输入数字类型文本"
}
]
}
```
也可以指定多个格式校验,中间用`逗号`分隔。
```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": "isNumeric,minimum:10",
"description": "请输入数字类型文本"
}
]
}
```
如果需要配置参数,例如显示最大值或最小值,则在格式标识符后`:`和参数
### 自定义校验信息
amis 会有默认的报错信息,如果你想自定义校验信息,配置`validationErrors`属性
```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": {
"isNumeric": true
},
"validationErrors": {
"isNumeric": "同学,请输入数字哈"
},
"description": "请输入数字类型文本"
}
]
}
```
如果需要获取当前格式校验配置的参数,可以使用`$1`
```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "input-text",
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"label": "文本",
"name": "text",
"validations": {
"isNumeric": true,
"minimum": 10
},
"validationErrors": {
"minimum": "同学,最少输入$1以上的数字哈"
},
"description": "请输入数字类型文本"
}
]
}
```
默认的校验信息如下,可以直接配置文字,也可用多语言中的 key。参考https://github.com/baidu/amis/blob/master/packages/amis-ui/src/locale/zh-CN.ts#L250
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```js
{
isEmail: 'validate.isEmail',
isRequired: 'validate.isRequired',
isUrl: 'validate.isUrl',
isInt: 'validate.isInt',
isAlpha: 'validate.isAlpha',
isNumeric: 'validate.isNumeric',
isAlphanumeric: 'validate.isAlphanumeric',
isFloat: 'validate.isFloat',
isWords: 'validate.isWords',
isUrlPath: 'validate.isUrlPath',
matchRegexp: 'validate.matchRegexp',
minLength: 'validate.minLength',
maxLength: 'validate.maxLength',
maximum: 'validate.maximum',
lt: 'validate.lt',
minimum: 'validate.minimum',
gt: 'validate.gt',
isJson: 'validate.isJson',
isLength: 'validate.isLength',
notEmptyString: 'validate.notEmptyString',
equalsField: 'validate.equalsField',
equals: 'validate.equals',
isPhoneNumber: 'validate.isPhoneNumber',
isTelNumber: 'validate.isTelNumber',
isZipcode: 'validate.isZipcode',
isId: 'validate.isId',
/* 日期时间相关校验规则 2.2.0 及以上版本生效 */
isDateTimeSame: 'validate.isDateTimeSame',
isDateTimeBefore: 'validate.isDateTimeBefore',
isDateTimeAfter: 'validate.isDateTimeAfter',
isDateTimeSameOrBefore: 'validate.isDateTimeSameOrBefore',
isDateTimeSameOrAfter: 'validate.isDateTimeSameOrAfter',
isDateTimeBetween: 'validate.isDateTimeBetween',
isTimeSame: 'validate.isTimeSame',
isTimeBefore: 'validate.isTimeBefore',
isTimeAfter: 'validate.isTimeAfter',
isTimeSameOrBefore: 'validate.isTimeSameOrBefore',
isTimeSameOrAfter: 'validate.isTimeSameOrAfter',
isTimeBetween: 'validate.isTimeBetween',
isVariableName: 'validate.isVariableName'
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}
```
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### 表单项值发生变化即校验
默认校验是当进行行为操作时,对表单项进行校验,如果你想每次表单项的值发生变化的时候就校验,请配置`"validateOnChange": true`
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### 支持的格式校验
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| 规则名称 | 说明 | 定义 | 版本 |
| ------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------- | ------- |
| `isEmail` | 必须是 Email。 | `(value: any) => boolean` | |
| `isUrl` | 必须是 Url。 | `(value: any) => boolean` | |
| `isNumeric` | 必须是 数值。 | `(value: any) => boolean` | |
| `isAlpha` | 必须是 字母。 | `(value: any) => boolean` | |
| `isAlphanumeric` | 必须是 字母或者数字。 | `(value: any) => boolean` | |
| `isInt` | 必须是 整形。 | `(value: any) => boolean` | |
| `isFloat` | 必须是 浮点形。 | `(value: any) => boolean` | |
| `isLength:length` | 是否长度正好等于设定值。 | `(value: any) => boolean` | |
| `minLength:length` | 最小长度。 | `(value: any, length: number) => boolean` | |
| `maxLength:length` | 最大长度。 | `(value: any, length: number) => boolean` | |
| `maximum:number` | 最大值。 | `(value: any, maximum: number) => boolean` | |
| `minimum:number` | 最小值。 | `(value: any, minimum:number) => boolean` | |
| `equals:xxx` | 当前值必须完全等于 xxx。 | `(value: any, targetValue: any) => boolean` | |
| `equalsField:xxx` | 当前值必须与 xxx 变量值一致。 | `(value: any, field: string) => boolean` | |
| `isJson` | 是否是合法的 Json 字符串。 | `(value: any) => boolean` | |
| `isUrlPath` | 是 url 路径。 | `(value: any) => boolean` | |
| `isPhoneNumber` | 是否为合法的手机号码 | `(value: any) => boolean` | |
| `isTelNumber` | 是否为合法的电话号码 | `(value: any) => boolean` | |
| `isZipcode` | 是否为邮编号码 | `(value: any) => boolean` | |
| `isId` | 是否为身份证号码,支持 18 位和 15 位验证,单个验证请使用 `isId18` / `isId15` | `(value: any) => boolean` |
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| `matchRegexp:/foo/` | 必须命中某个正则。 | `(value: any, regexp: string \| RegExp) => boolean` | |
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| `matchRegexp${n}:/foo/` | 必须命中某个正则。 设置正则表达式时属性名需以 `matchRegexp` 开头,`n`支持`1-9`,且 `validations``validationsErrors` 中属性名需匹配。 | `(value: any, regexp: string \| RegExp) => boolean` | |
| `isDateTimeSame` | 日期和目标日期相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetDate: any, granularity?: string) => boolean` | `2.2.0` |
| `isDateTimeBefore` | 日期早于目标日期,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetDate: any, granularity?: string) => boolean` | `2.2.0` |
| `isDateTimeAfter` | 日期晚于目标日期,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetDate: any, granularity?: string) => boolean` | `2.2.0` |
| `isDateTimeSameOrBefore` | 日期早于目标日期或和目标日期相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetDate: any, granularity?: string) => boolean` | `2.2.0` |
| `isDateTimeSameOrAfter` | 日期晚于目标日期或和目标日期相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetDate: any, granularity?: string) => boolean` | `2.2.0` |
| `isDateTimeBetween` | 日期处于目标日期范围,支持指定粒度和区间的开闭形式,默认到毫秒 `millisecond`,左右开区间`'()'` | `(value: any, lhs: any, rhs: any, granularity?: string, inclusivity?: '()' \| '[)' \| '(]' \| '[]') => boolean` | `2.2.0` |
| `isTimeSame` | 时间和目标时间相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetTime: any, granularity?: string) => boolean` | `2.2.0` |
| `isTimeBefore` | 时间早于目标时间,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetTime: any, granularity?: string) => boolean` | `2.2.0` |
| `isTimeAfter` | 时间晚于目标时间,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetTime: any, granularity?: string) => boolean` | `2.2.0` |
| `isTimeSameOrBefore` | 时间早于目标时间或和目标时间相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetTime: any, granularity?: string) => boolean` | `2.2.0` |
| `isTimeSameOrAfter` | 时间晚于目标时间或和目标时间相同,支持指定粒度,默认到毫秒 `millisecond` | `(value: any, targetTime: any, granularity?: string) => boolean` | `2.2.0` |
| `isTimeBetween` | 时间处于目标时间范围,支持指定粒度和区间的开闭形式,默认到毫秒 `millisecond`,左右开区间`'()'` | `(value: any, lhs: any, rhs: any, granularity?: string, inclusivity?: '()' \| '[)' \| '(]' \| '[]') => boolean` | `2.2.0` |
| `isVariableName` | 是否为合法的变量名,默认规则为 `/^[a-zA-Z_]+[a-zA-Z0-9]*$/` 可以自己指定如 `{isVariableName: /^a.*$/}` | `(value: any) => boolean` | `2.5.0` |
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#### 验证只允许 http 协议的 url 地址
> 1.4.0 及以上版本
isUrl 可以配置如下参数
- schemes 协议,默认是为: `['http', 'https', 'ftp', 'sftp']`
- allowLocal 是否允许填写本地地址
- allowDataUrl 是否允许 dataUrl
```schema: scope="body"
{
"type": "form",
"body": [
{
"name": "url",
"type": "input-text",
"label": "只允许 https 打头的 url",
"validations": {
"isUrl": {
"schemes": ["https"]
}
}
}
]
}
```
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### 自定义校验函数
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可以自己写代码扩展表单验证,请参考 [这里](../../docs/extend/addon#扩展表单验证)
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## 服务端校验
### 通过表单提交接口
也可以通过表单提交接口返回错误信息,实现服务端校验
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```schema: scope="body"
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{
"type": "form",
"api": "/api/mock2/form/saveFormFailed?waitSeconds=1",
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"body": [
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{
"name": "test2",
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"type": "input-text",
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"label": "服务端验证"
}
]
}
```
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点击提交api 接口返回中,需要在 errors 变量中,返回某个表单项的报错信息,`key`值为该表单项的`name`值。
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如上,接口返回的格式如下,提交后,`test2`表达项会显示报错信息
```json
{
"status": 422, // 返回非0状态码
"msg": "",
"errors": {
"test2": "服务器端说,这个有错误。"
},
"data": null
}
```
#### Combo 校验
Combo 类型的表单项,要实现服务端校验,可以使用 `路径key` 来定位要显示报错信息的表单项,例如 `a[0].b` 定位到 a combo 的第一项中 b 表单项。
例如有如下表单,点击提交,查看效果:
```schema:scope="body"
{
"type": "form",
"debug": true,
"mode": "horizontal",
"api": "/api/mock2/form/saveFormFailedCombo?waitSeconds=1",
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"body": [
{
"type": "combo",
"name": "combo1",
"label": "组合多条单行",
"multiple": true,
"value": [
{
"a": "a1",
"b": "a"
},
{
"a": "a2",
"b": "c"
}
],
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"items": [
{
"name": "a",
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"type": "input-text"
},
{
"name": "b",
"type": "select",
"options": ["a", "b", "c"]
}
]
},
{
"type": "combo",
"name": "combo2",
"label": "组合单条单行",
"value": {
"a": "a",
"b": "b"
},
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"items": [
{
"name": "a",
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"type": "input-text"
},
{
"name": "b",
"type": "select",
"options": ["a", "b", "c"]
}
]
}
]
}
```
接口返回如下
```json
{
"status": 422,
"msg": "",
"errors": {
"combo1": "服务器端说这个combo1有问题",
"combo1[1].a": "服务器端说这个combo1的第二项中的a有问题", // 或 combo1.1.a
"combo2": "服务器端说这个combo2有问题",
"combo2.b": "服务器端说这个combo2中的b有问题"
},
"data": null
}
```
#### Table 校验
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Table 类型的表单项,要实现服务端校验,可以使用 `路径key` 来定位要显示报错信息的表单项,例如 `a[0].b` 定位到 a table 的第一项中 b 表单项。
例如有如下表单,点击提交,查看效果:
```schema:scope="body"
{
"type": "form",
"debug": true,
"mode": "horizontal",
"api": "/api/mock2/form/saveFormFailedTable?waitSeconds=1",
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"body": [
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{
"label": "Table 服务端校验",
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"type": "input-table",
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"name": "table",
"multiple": true,
"value": [
{
"a": "a1",
"b": "b1"
},
{
"a": "a2",
"b": "b2"
}
],
"columns": [
{
"name": "a",
"type": "text",
"label": "A",
"quickEdit": {
"mode": "inline"
}
},
{
"name": "b",
"type": "text",
"label": "B",
"quickEdit": {
"mode": "inline"
}
}
]
},
{
"label": "Combo 内 Table 服务端校验",
"type": "combo",
"name": "combo",
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"items": [
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{
"name": "a",
"type": "text",
"label": "A"
},
{
"label": "Table",
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"type": "input-table",
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"name": "table",
"multiple": true,
"value": [
{
"a": "a1",
"b": "b1"
},
{
"a": "a2",
"b": "b2"
}
],
"columns": [
{
"name": "a",
"type": "text",
"label": "A",
"quickEdit": {
"mode": "inline"
}
},
{
"name": "b",
"type": "text",
"label": "B",
"quickEdit": {
"mode": "inline"
}
}
]
}
]
}
]
}
```
接口返回如下
```json
{
"status": 422,
"msg": "",
"errors": {
"table": "表格有问题",
"table[0].a": "表格的第一项中的 a 有问题",
"table[1].b": "表格的第二项中的 b 有问题",
"combo.table[0].b": "Combo中表格的第一项中的 b 有问题",
"combo.table[1].a": "Combo中表格的第二项中的 a 有问题"
},
"data": null
}
```
### 通过表单项校验接口
可以在表单项上,配置校验接口 `validateApi`,实现单个表单项后端校验。
```schema:scope="body"
{
"type": "form",
"mode": "horizontal",
"api": "/api/mock2/form/saveForm",
"body": [
{
"label": "name",
"type": "input-text",
"name": "name",
"required": true,
"validateApi": "/api/mock2/form/formitemFailed"
},
{
"label": "email",
"type": "input-text",
"name": "email",
"validateApi": "/api/mock2/form/formitemSuccess",
"required": true
}
]
}
```
校验接口显示校验信息返回格式如下:
```json
{
"status": 422,
"errors": "当前用户已存在"
}
```
- `status`: 返回 `0` 表示校验成功,`422` 表示校验失败;
- `errors`: 返回 `status``422` 时,显示的校验失败信息;
### 配置自动填充
通过配置 "autoFill.api" 为自动填充数据源接口地址amis 可以将返回数据自动填充到表单中,例如如下配置;
```schema:scope="body"
{
"type": "form",
"body": [
{
"type": "input-text",
"label": "浏览器",
"name": "browser",
"autoFill": {
showSuggestion: false,
"fillMapping": {
browser: "${browser}",
version: "${version}",
platform: '${platform1}'
},
api: {
url: "/api/mock2/form/autoUpdate?browser=${browser}&version=${version}",
responseData: {
browser: "${browser}",
version: "${version}",
platform1: "${platform}",
},
silent: false
}
}
},
{
"type": "input-text",
"label": "版本",
"name": "version"
},
{
"type": "input-text",
"label": "平台",
"name": "platform"
},
]
}
```
自动填充接口返回格式如下:
注意amis 仅处理接口返回结果仅有一项的数据,默认自动填充相关字段
```json
{
"status": 0,
"data": {
"rows": [
{
"key": "value",
"key1": "value1"
}
]
}
}
```
或者是
```json
{
"status": 0,
"data": {
"key": "value",
"key1": "value1"
}
}
```
### 配置参照录入
设置 autoFill.showSuggestion 为 true同时在 autoFill 中配置如下示例参数,可以进行数据的参照录入「当前表单项聚焦或者值变化时弹出 dialog/drawer/popOver 供用户操作」例如如下配置
fillMapping 配置 支持变量取值和表达式;
如下配置中,如果想一次选中多条数据并映射可如下配置表达式,其中 items 默认为选中的 1 至 N 条数据:
仅挑选 platform,version 字段追加数据并去重combo'${UNIQ(CONCAT(combo, ARRAYMAP(items, item => {platform: item.platform, version: item.version})))}'
数据替换并去重combo'${UNIQ(ARRAYMAP(items, item => {platform: item.platform, version: item.version}))}'
数据替换combo: ${items}
`autoFill.defaultSelection` 可以用来配置默认选中
```schema:scope="body"
{
"type": "form",
"body": [
{
"type": "input-text",
"label": "浏览器",
"name": "browser",
"autoFill": {
"showSuggestion": true,
"api": "/api/mock2/form/autoUpdate?items=1",
"defaultSelection": "${combo}",
"multiple": true,
"fillMapping": {
"combo": "${UNIQ(CONCAT(combo, ARRAYMAP(items, item => {platform: item.platform, version: item.version})))}",
"version": "${items[0].version}",
},
"labelField": "name",
"valueField": "platform",
"position": "left-bottom-left-top",
"trigger": "focus",
"mode": "popOver",
"size": "md",
"filter": {
"body": [
{ "type": "input-text", "name": "platfrom", "label": "平台" },
{ "type": "input-text", "name": "version", "label": "版本" },
{ "type": "button-toolbar", "buttons": [{ "type": "submit", "label": "搜索", "level": "primary" }] }
],
"wrapWithPanel": false,
"mode": "horizontal"
},
"columns": [
{ "name": "platform", "label": "平台", "sortable": true },
{ "name": "version", "label": "版本", "sortable": true }
]
}
},
{
type: 'input-text',
name: 'version',
label: '版本'
},
{
type: 'combo',
name: 'combo',
strictMode: false,
addable: true,
multiple: true,
label: '版本明细',
items: [
{
name: 'platform',
label: '平台',
type: 'input-text'
},
{
name: 'version',
label: '版本',
type: 'input-text'
}
]
}
]
}
```
## 及时获取其他表单项的值
默认为了提高性能,给表单项下发的数据不是最新,只有自己的值变化才是最新的,如果想及时的获取其他表单项的值,比如描述中想获取其他表单项值来展示不同的描述。需要配置 `strictMode` 为 false。
```schema:scope="body"
{
"type": "form",
"body": [
{
"type": "select",
"label": "类型",
"options": "A,B,C",
"name": "type"
},
{
type: 'textarea',
name: 'version',
strictMode: false,
disabled: true,
description: 'Type is ${type}'
}
]
}
```
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## 属性表
| 属性名 | 类型 | 默认值 | 说明 |
| ----------------------- | -------------------------------------------------- | --------- | --------------------------------------------------------------------------------------------------- |
| type | `string` | | 指定表单项类型 |
| className | `string` | | 表单最外层类名 |
| inputClassName | `string` | | 表单控制器类名 |
| labelClassName | `string` | | label 的类名 |
| name | `string` | | 字段名,指定该表单项提交时的 key |
| value | `string` | | 表单默认值 |
| label | [模板](../../../docs/concepts/template) 或 `false` | | 表单项标签 |
| labelAlign | `"right" \| "left"` | `"right"` | 表单项标签对齐方式,默认右对齐,仅在 `mode`为`horizontal` 时生效 |
| labelRemark | [Remark](../remark) | | 表单项标签描述 |
| description | [模板](../../../docs/concepts/template) | | 表单项描述 |
| placeholder | `string` | | 表单项描述 |
| inline | `boolean` | | 是否为 内联 模式 |
| strictMode | `boolean` | | 通过配置 false 可以及时获取所有表单里面的数据,否则可能会有不同步 |
| submitOnChange | `boolean` | | 是否该表单项值发生变化时就提交当前表单。 |
| disabled | `boolean` | | 当前表单项是否是禁用状态 |
| disabledOn | [表达式](../../../docs/concepts/expression) | | 当前表单项是否禁用的条件 |
| visible | [表达式](../../../docs/concepts/expression) | | 当前表单项是否禁用的条件 |
| visibleOn | [表达式](../../../docs/concepts/expression) | | 当前表单项是否禁用的条件 |
| required | `boolean` | | 是否为必填。 |
| requiredOn | [表达式](../../../docs/concepts/expression) | | 通过[表达式](../Types.md#表达式)来配置当前表单项是否为必填。 |
| validations | [表达式](../../../docs/concepts/expression) | | 表单项值格式验证,支持设置多个,多个规则用英文逗号隔开。 |
| validateApi | [表达式](../../../docs/types/api) | | 表单校验接口 |
| autoFill | [SchemaNode](../../docs/types/schemanode) | | 数据录入配置,自动填充或者参照录入 |
| autoFill.showSuggestion | `boolean` | | true 为参照录入false 自动填充 |
| autoFill.api | [表达式](../../../docs/types/api) | | 自动填充接口/参照录入筛选 CRUD 请求配置 |
| autoFill.silent | `boolean` | | 是否展示数据格式错误提示,默认为 true |
| autoFill.fillMappinng | [SchemaNode](../../docs/types/schemanode) | | 自动填充/参照录入数据映射配置,键值对形式,值支持变量获取及表达式 |
| autoFill.trigger | `string` | | showSuggestion 为 true 时,参照录入支持的触发方式,目前支持 change「值变化」 focus 「表单项聚焦」 |
| autoFill.mode | `string` | | showSuggestion 为 true 时,参照弹出方式 dialog, drawer, popOver |
| autoFill.labelField | `string` | | showSuggestion 为 true 时,设置弹出 dialog,drawer,popOver 中 picker 的 labelField |
| autoFill.position | `string` | | showSuggestion 为 true 时,参照录入 mode 为 popOver 时,可配置弹出位置 |
| autoFill.size | `string` | | showSuggestion 为 true 时,参照录入 mode 为 dialog 时,可设置大小 |
| autoFill.columns | `Array<Column>` | | showSuggestion 为 true 时,数据展示列配置 |
| autoFill.filter | [SchemaNode](../../docs/types/schemanode) | | showSuggestion 为 true 时,数据查询过滤条件 |
| static | `boolean` | | `2.4.0` 当前表单项是否是静态展示,目前支持静[支持静态展示的表单项](#支持静态展示的表单项) |
| staticClassName | `string` | | `2.4.0` 静态展示时的类名 |
| staticLabelClassName | `string` | | `2.4.0` 静态展示时的 Label 的类名 |
| staticInputClassName | `string` | | `2.4.0` 静态展示时的 value 的类名 |
| staticSchema | [SchemaNode](../../docs/types/schemanode) | | `2.4.0` 自定义静态展示方式 |
| staticSchema.limit | `number` | 10 | `2.4.0` select、checkboxes 等选择类组件多选时展示态展示的数量 |
## 支持静态展示的表单项
可以在[示例页](../../../examples/form/switchDisplay)查看支持静态展示的表单项的展示方式
- form 表单
- button-group-select 按钮点选
- chained-select 链式下拉框
- chart-radios 图表单选框
- checkbox 勾选框
- checkboxes 复选框
- combo 组合
- input-kv 键值对
- input-array 数组输入框
- input-city 城市选择器
- input-color 颜色选择器
- input-date 日期选择器
- input-date-range 日期范围选择器
- input-datetime-range 日期时间选择器
- input-time-range 时间范围选择器
- input-group 输入框组合
- input-month-range 月份范围
- input-number 数字输入
- input-quarter-range 季度范围
- input-range 滑块
- input-rating 评分
- input-tag 标签选择器
- input-text 输入框
- input-password 密码输入框
- input-email 邮箱输入框
- input-url url 输入框
- native-date native 日期选择器
- native-time native 时间选择器
- native-number native 数字输入
- input-tree 树形选择器
- input-year-range 年份范围
- list-select 列表选择器
- location-picker 地理位置
- matrix-checkboxes 矩阵勾选
- nested-select 级联选择器
- radios 单选框
- select 下拉框
- multi-select 多选下拉框
- switch 开关
- tabs-transfer 组合穿梭器
- tabs-transfer-picker 组合穿梭选择器
- textarea 多行输入框
- transfer 穿梭器
- transfer-picker 穿梭选择器
- tree-select 属性选择器