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347 lines
11 KiB
Markdown
Executable File
347 lines
11 KiB
Markdown
Executable File
---
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title: Image 图片
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description:
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type: 0
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group: ⚙ 组件
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menuName: Image 图片
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icon:
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order: 52
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---
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## 基本使用
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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}
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}
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```
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也可以配置`name`属性关联上下文数据
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```schema
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{
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"type": "page",
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"data": {
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"imageUrl": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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"body": {
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"type": "image",
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"name": "imageUrl"
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}
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}
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```
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## 配置标题和说明
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"title": "这是标题",
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"imageCaption": "这是一段说明"
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}
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}
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```
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## 配置缩略图
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### 显示模式
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```schema: scope="body"
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{
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"type": "form",
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"mode": "horizontal",
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"data": {
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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"body": [
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{
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"type": "static-image",
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"name": "image",
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"label": "宽度占满",
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"thumbMode": "w-full"
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},
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{
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"type": "static-image",
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"name": "image",
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"label": "高度占满",
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"thumbMode": "h-full"
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},
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{
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"type": "static-image",
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"name": "image",
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"label": "颜色",
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"label": "默认",
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"thumbMode": "contain"
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},
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{
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"type": "static-image",
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"name": "image",
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"label": "覆盖",
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"thumbMode": "cover"
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}
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]
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}
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```
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### 显示比例
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```schema: scope="body"
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{
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"type": "form",
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"mode": "horizontal",
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"data": {
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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"body": [
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{
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"type": "static-image",
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"name": "image",
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"label": "1比1",
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"thumbRatio": "1:1",
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"thumbMode": "cover"
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},
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{
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"type": "static-image",
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"name": "image",
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"label": "4比3",
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"thumbRatio": "4:3",
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"thumbMode": "cover"
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},
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{
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"type": "static-image",
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"name": "image",
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"label": "颜色",
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"label": "16比9",
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"thumbRatio": "16:9",
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"thumbMode": "cover"
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}
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]
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}
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```
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## 放大功能
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配置`"enlargeAble": true`，鼠标移动到图片上会显示可点击图标，点击可放大展示
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"enlargeAble": true
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}
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}
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```
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可以配置`originalSrc`，来指定原图资源地址，作为放大预览的图片地址
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"originalSrc": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg",
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"enlargeAble": true
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}
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}
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```
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`enlargeTitle`和`enlargeCaption`可以配置放大预览中的标题和描述
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"originalSrc": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg",
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"enlargeAble": true,
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"enlargeTitle": "这是一个标题",
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"enlargeCaption": "这是一段描述"
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}
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}
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```
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## 设置高宽
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通过 `width` 和 `height` 可以设置缩率图显示的高宽
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```schema
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{
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"type": "page",
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"body": {
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"type": "image",
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"width": "200px",
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"height": "200px",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_400,l_1,f_jpg,q_80"
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}
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}
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```
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## 原图模式
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> 1.2.3 及以上版本
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默认图片为缩略图模式，可以通过配置 imageMode: "original" 修改为原图模式，原图模式为块状展示，宽度尽可能占满。
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```schema
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{
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"type": "page",
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"data": {
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"imageUrl": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg"
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},
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"body": {
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"type": "image",
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"imageMode": "original",
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"name": "imageUrl",
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"title": "这是标题",
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"imageCaption": "这是一段说明"
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}
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}
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```
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## 打开外部链接
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> 1.3.3 及以上版本
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可以设置 href 属性来支持图片点击打开链接，需要注意这和放大功能是冲突的，只能二选一。
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```schema: scope="body"
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{
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"href": "https://github.com/baidu/amis"
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}
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```
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href 也可以是模板
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```schema
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{
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"type": "page",
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"data": {
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"imageUrl": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg",
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"imageHref": "https://github.com/baidu/amis"
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},
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"body": {
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"type": "image",
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"name": "imageUrl",
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"href": "${imageHref}"
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}
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}
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```
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## 用作 Field 时
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当用在 Table 的列配置 Column、List 的内容、Card 卡片的内容和表单的 Static-XXX 中时，可以设置`name`属性，映射同名变量
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### Table 中的列类型
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```schema: scope="body"
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{
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"type": "table",
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"data": {
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"items": [
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{
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"id": "1",
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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{
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"id": "2",
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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{
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"id": "3",
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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}
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]
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},
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"columns": [
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{
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"name": "id",
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"label": "Id"
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},
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{
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"name": "image",
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"label": "图片",
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"type": "image"
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}
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]
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}
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```
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List 的内容、Card 卡片的内容配置同上
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### Form 中静态展示
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```schema: scope="body"
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{
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"type": "form",
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"data": {
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"image": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80"
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},
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"body": [
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{
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"type": "static-image",
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"name": "image",
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"label": "颜色"
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}
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]
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}
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```
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## 自定义点击行为
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> 1.5.0 及以上版本
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可以通过 `clickAction` 设置点击触发行为。
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```schema: scope="body"
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{
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"type": "image",
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"src": "https://internal-amis-res.cdn.bcebos.com/images/2020-1/1578395692722/4f3cb4202335.jpeg@s_0,w_216,l_1,f_jpg,q_80",
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"class": "cursor-pointer",
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"clickAction": {
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"actionType": "dialog",
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"dialog": {
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"title": "弹框标题",
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"body": "这是一个弹框"
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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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| 属性名 | 类型 | 默认值 | 说明 |
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| -------------- | ------------------------------------ | --------- | -------------------------------------------------------------------------------------- |
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| type | `string` | | 如果在 Table、Card 和 List 中，为`"color"`；在 Form 中用作静态展示，为`"static-color"` |
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| className | `string` | | 外层 CSS 类名 |
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| imageClassName | `string` | | 图片 CSS 类名 |
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| thumbClassName | `string` | | 图片缩率图 CSS 类名 |
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| height | `string` | | 图片缩率高度 |
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| width | `string` | | 图片缩率宽度 |
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| title | `string` | | 标题 |
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| imageCaption | `string` | | 描述 |
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| placeholder | `string` | | 占位文本 |
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| defaultImage | `string` | | 无数据时显示的图片 |
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| src | `string` | | 缩略图地址 |
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| href | [模板](../../docs/concepts/template) | | 外部链接地址 |
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| originalSrc | `string` | | 原图地址 |
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| enlargeAble | `boolean` | | 支持放大预览 |
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| enlargeTitle | `string` | | 放大预览的标题 |
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| enlargeCaption | `string` | | 放大预览的描述 |
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| thumbMode | `string` | `contain` | 预览图模式，可选：`'w-full'`, `'h-full'`, `'contain'`, `'cover'` |
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| thumbRatio | `string` | `1:1` | 预览图比例，可选：`'1:1'`, `'4:3'`, `'16:9'` |
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| imageMode | `string` | `thumb` | 图片展示模式，可选：`'thumb'`, `'original'` 即：缩略图模式 或者 原图模式 |
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