优维低代码:构件渲染子构件
Posted 优维科技EasyOps
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导语
优维低代码技术专栏,是一个全新的、技术为主的专栏,由优维技术委员会成员执笔,基于优维7年低代码技术研发及运维成果,主要介绍低代码相关的技术原理及架构逻辑,目的是给广大运维人提供一个技术交流与学习的平台。
为了特殊标注某个字段我们常会对一些字段进行特殊的渲染,这里常见于表格或详情描述等,在编排这里,我们叫构件渲染子构件 —— useBrick
"brick": "presentational-bricks.brick-table",
"properties":
"rowKey": "id",
"page": "$query.page=1|number",
"pageSize": "$query.pageSize=10|number",
"columns": [
"title": "分支",
"dataIndex": "branch",
"useBrick":
"brick": "presentational-bricks.brick-link",
"transform":
"label": "@cellData"
,
"title": "编号",
"dataIndex": "id"
,
"title": "流水线",
"dataIndex": "pipeline"
,
"title": "状态",
"dataIndex": "status",
"useBrick":
"brick": "presentational-bricks.brick-value-mapping",
"transform":
"value": "@cellData"
,
"properties":
"mapping":
"success":
"color": "green"
,
"failed":
"color": "red"
,
"warning":
"color": "orange"
],
"dataSource":
"list": [
"id": "#7220",
"pipeline": "contract-center / build_giraffe_sdk",
"branch": "develop",
"status": "success"
,
"id": "#7221",
"pipeline": "container / demo",
"branch": "master",
"status": "failed"
,
"id": "#7222",
"pipeline": "container / table",
"branch": "feature",
"status": "warning"
],
"page": 1,
"pageSize": 10,
"total": 3
注意 columns 里面的 useBrick 定义,他一般的结构为:
"useBrick":
"brick": "presentational-bricks.brick-value-mapping",
"properties":
"mapping":
"success":
"color": "green"
,
"failed":
"color": "red"
,
"warning":
"color": "orange"
"transform":
"value": "@cellData"
,
- brick: 表示使用哪个构件
- properties: 定义子 brick 的属性
- transform: 将父数据映射为子构件的 properties,父容器会传递什么数据给子构件这个由父容器决定,决定见各父容器的文档。比如brick-table给子容器传递了cellData,rowData,columnIndex。
详细 transform 的介绍见Transform 数据转换
更多示例(描述列表):
"brick": "presentational-bricks.brick-descriptions",
"properties":
"itemList": [
"text": "Lynette",
"label": "UserName"
,
"text": "18",
"label": "Age"
,
"label": "Tags",
"useBrick":
"brick": "presentational-bricks.brick-tag",
"transformFrom": "tags",
"transform": "tagList",
"properties":
"configProps":
"color": "orange"
,
"showCard": false
],
"descriptionTitle": "User Info",
"dataSource":
"tags": ["user"]
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