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49 lines
872 B
Markdown
49 lines
872 B
Markdown
---
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title: UUID 字段
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description:
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type: 0
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group: null
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menuName: UUID 字段
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icon:
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order: 30
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---
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## 基本用法
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随机生成一个 id，可以用于防止表单重复提交。
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```schema: scope="body"
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{
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"type": "form",
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"debug": true,
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"controls": [
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{
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"type": "uuid",
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"name": "uuid"
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}
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]
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}
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```
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这个字段是不显示的，上面这个例子之所以显示是因为加了 `debug: true`。
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## length
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目前 uuid 的唯一可设置参数是 length，用于生成短随机数
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```schema:height="200" scope="body"
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{
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"type": "form",
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"debug": true,
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"controls": [
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{
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"type": "uuid",
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"name": "uuid",
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"length": 8
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}
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]
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}
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```
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