2022-07-02 10:59:45 +08:00
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# EdgeManager(SCADA系统)
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2022-07-01 21:51:30 +08:00
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2022-07-09 14:30:30 +08:00
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- [EdgeManager(SCADA系统)](#edgemanagerscada系统)
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- [API](#api)
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- [class `EDataCapture`](#class-edatacapture)
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2022-07-10 03:39:00 +08:00
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- [0. HTTP POST: `set_node_data`](#0-http-post-set_node_data)
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2022-07-14 11:47:44 +08:00
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- [使用指北](#使用指北)
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- [后端](#后端)
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- [前端](#前端)
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2022-07-09 14:30:30 +08:00
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- [开发环境](#开发环境)
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2022-08-09 11:50:14 +08:00
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- [调试环境](#调试环境)
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2022-07-09 14:30:30 +08:00
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- [技术细节](#技术细节)
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2022-07-10 22:11:08 +08:00
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- [0. `EdgeManager\EDataCapture\EDataCapture -> set_data()`为什么是以`6710885`为大小chunked的?](#0-edgemanageredatacaptureedatacapture---set_data为什么是以6710885为大小chunked的)
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2022-07-09 14:30:30 +08:00
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## API
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> API设计最大程度遵循了已有的MES规范。
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### class `EDataCapture`
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2022-07-10 03:39:00 +08:00
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#### 0. HTTP POST: `set_node_data`
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2022-07-09 14:30:30 +08:00
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**请求**
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2022-07-11 23:58:53 +08:00
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> 上位机程序中请单次传入尽量多的数据使得性能最大化。
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2022-07-10 03:39:00 +08:00
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>
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> 但仍需兼顾传输速率和超时时间。
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2022-07-11 23:58:53 +08:00
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>
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> 无需指定数值类型,服务端会自动根据已添加的节点信息检查,若不符则会报错。
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2022-07-10 03:39:00 +08:00
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2022-07-09 14:30:30 +08:00
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```json
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{
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2022-07-10 03:39:00 +08:00
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"action": "set_node_data",
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"param": {
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2022-08-20 14:18:13 +08:00
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"working_subclass": <string>, // 可选
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2022-07-10 03:39:00 +08:00
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"data": [
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{
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"code": <string>,
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// value的类型需与type对应
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"value": <string | int | float | bool>,
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2022-08-20 14:18:13 +08:00
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"device_code": [string], // 必需字段
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2022-08-21 12:05:14 +08:00
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"parent_device_code": [string], // 可选字段,对应MES中的code
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2022-08-20 14:18:13 +08:00
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"batch": [string] // 可选字段
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2022-07-10 03:39:00 +08:00
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},
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{
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"code": <string>,
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"value": <string | int | float | bool>,
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"device_code": [string],
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2022-08-21 12:05:14 +08:00
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"parent_device_code": [string],
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2022-07-10 03:39:00 +08:00
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"batch": [string]
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},
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...
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]
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2022-07-09 14:30:30 +08:00
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}
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}
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```
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**返回**
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操作成功:
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```json
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{
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2022-07-11 23:58:53 +08:00
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"action": "result_set_node_data",
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2022-07-10 03:39:00 +08:00
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"errcode": 0,
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"errmsg": ""
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2022-07-09 14:30:30 +08:00
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}
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```
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2022-07-11 23:58:53 +08:00
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操作失败(**工序单元尚未登记**):
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```json
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{
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"action": "result_set_node_data",
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"errcode": 4002,
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"errmsg": "未登记过的工序单元!"
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}
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```
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操作失败(**数值类型错误**):
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```json
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{
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"action": "result_set_node_data",
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"errcode": 4002,
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"errmsg": "节点编码和数值类型不匹配!"
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}
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```
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操作失败(不明原因):
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2022-07-09 14:30:30 +08:00
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```json
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{
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2022-07-11 23:58:53 +08:00
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"action": "result_set_node_data",
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2022-07-10 03:39:00 +08:00
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"errcode": 4002,
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"errmsg": "ROLLBACKed: Bad data received (structure and/or values)"
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2022-07-09 14:30:30 +08:00
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}
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```
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2022-07-14 11:47:44 +08:00
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## 使用指北
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2022-07-10 03:39:00 +08:00
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2022-07-14 11:47:44 +08:00
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本项目可独立运行,也可作为MES的插件使用。
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下文简要介绍如何将代码合并入MES中。
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2022-07-22 14:46:22 +08:00
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需要保证`timescaledb`的版本在**2.2.0或以上**。
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2022-07-16 14:16:16 +08:00
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2022-07-14 11:47:44 +08:00
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### 后端
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2022-07-16 14:16:16 +08:00
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添加pg扩展(Ubuntu):
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```bash
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sudo apt install php-pgsql
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```
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添加pg扩展(CentOS 7):
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```bash
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sudo yum install php-pgsql
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```
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添加pg扩展(CentOS8):
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```bash
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sudo dnf install php-pgsql
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```
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2022-07-14 11:47:44 +08:00
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目录结构:
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```pre
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📦EdgeManager
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┣ 📂EDataCapture
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┃ ┣ 📜EDataCapture.php
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┃ ┗ 📜ENodeConfigure.php
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┣ 📜Init.php
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┗ 📜Utils.php
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```
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建议使用composer autoload引入。
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将目录`EdgeManager`复制至项目后在composer.json内写入:
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```json
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"autoload": {
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"psr-4": {
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"EdgeManager\\": "EdgeManager/"
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},
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"files": [
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"EdgeManager/Utils.php",
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"EdgeManager/Init.php"
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]
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},
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```
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运行`composer dump-autoload`即可正常调用EdgeManager的代码。
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### 前端
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2022-08-03 23:08:48 +08:00
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添加依赖(**使用npm**):
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2022-07-16 14:16:16 +08:00
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```bash
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2022-08-03 23:08:48 +08:00
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npm i element-ui \
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@d2-projects/d2-crud \
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vue-cheetah-grid \
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@d2-projects/vue-table-export \
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@d2-projects/vue-table-import \
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github-markdown-css \
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marked@^2.0.0 \
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jschardet -S
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2022-07-16 14:16:16 +08:00
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```
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2022-08-03 23:08:48 +08:00
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添加依赖(**使用yarn**):
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2022-07-16 14:16:16 +08:00
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```bash
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2022-08-03 23:08:48 +08:00
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yarn add element-ui \
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@d2-projects/d2-crud \
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vue-cheetah-grid \
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@d2-projects/vue-table-export \
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@d2-projects/vue-table-import \
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github-markdown-css \
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marked@^2.0.0 \
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jschardet
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2022-07-16 14:16:16 +08:00
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```
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2022-07-14 11:47:44 +08:00
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需要在`main.js`中增加(全局引入组件):
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```js
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// D2-Crud
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import ElementUI from 'element-ui'
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import 'element-ui/lib/theme-chalk/index.css'
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import D2Crud from '@d2-projects/d2-crud'
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// Cheetah-Grid
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import vueCheetahGrid from 'vue-cheetah-grid'
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// 表格导出插件
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import pluginExport from '@d2-projects/vue-table-export'
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import pluginImport from '@d2-projects/vue-table-import'
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Vue.use(ElementUI)
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Vue.use(D2Crud)
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Vue.use(vueCheetahGrid)
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Vue.use(pluginExport)
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Vue.use(pluginImport)
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```
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2022-07-21 12:04:17 +08:00
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*(可选)* 在`package.json`里更改`element-ui`版本:
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2022-07-21 12:03:26 +08:00
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```json
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"element-ui": ">2.15.9 || 2.15.8",
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```
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`2.15.9`有一个小[bug](https://github.com/ElemeFE/element/issues/21941),会导致性能下降。
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2022-07-14 11:47:44 +08:00
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此外请参照目录结构中注释进行代码合并:
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```pre
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📦src
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┣ 📂api
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┃ ┣ 📂modules
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┃ ┃ ┣ 📜scada.configure.api.js # 增添Axios请求
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┃ ┃ ┗ 📜sys.user.api.js
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┃ ┣ 📜index.js
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┃ ┣ 📜service.js
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┃ ┗ 📜tools.js
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┣ 📂assets
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┣ 📂components
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┃ ┣ 📂d2-markdown # 渲染markdown所需组件(在D2Admin的基础上精简了功能)
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┃ ┃ ┗ 📜index.vue
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┃ ┗ 📜index.js # 在此处注册d2-markdown
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┣ 📂libs
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┣ 📂locales
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┣ 📂menu
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┃ ┗ 📜index.js # 增添菜单
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┣ 📂plugin
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┣ 📂router
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┃ ┣ 📜index.js
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┃ ┗ 📜routes.js # 增添路由
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┣ 📂store
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┣ 📂views
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┃ ┣ 📂scada # 增添页面
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┃ ┃ ┣ 📂scadaConfigure
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┃ ┃ ┃ ┗ 📜index.vue
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┃ ┃ ┗ 📂scadaQuery
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┃ ┃ ┃ ┗ 📜index.vue
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┃ ┗ 📂system
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┣ 📜App.vue
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┣ 📜i18n.js
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┣ 📜main.js
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┗ 📜setting.js
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```
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2022-07-10 03:39:00 +08:00
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2022-07-01 21:51:30 +08:00
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## 开发环境
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拉取代码:
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```bash
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# 建议先配置SSH key pair
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2022-07-02 10:59:45 +08:00
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git clone ssh://git@118.195.187.246:10022/ysun/EdgeManager.git
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cd EdgeManager
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2022-07-01 21:51:30 +08:00
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```
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一键部署PHP workerman和TimescaleDB环境:
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```bash
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2022-08-09 11:50:14 +08:00
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# docker build --network host -t edge_manager .
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2022-07-01 21:51:30 +08:00
|
|
|
|
docker compose up -d
|
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
|
|
进入交互式Prompt:
|
|
|
|
|
|
|
|
|
|
|
|
```bash
|
2022-07-02 10:59:45 +08:00
|
|
|
|
docker exec -it edge_manager bash
|
2022-07-01 21:51:30 +08:00
|
|
|
|
```
|
2022-07-07 01:27:45 +08:00
|
|
|
|
|
|
|
|
|
|
后端调试:
|
|
|
|
|
|
|
|
|
|
|
|
```bash
|
2022-07-10 03:39:00 +08:00
|
|
|
|
# In container
|
2022-08-10 16:04:35 +08:00
|
|
|
|
php EdgeManager.php --no_dup_code --server_name=GPU-server-01 --user=postgres --password=big_dick start
|
2022-07-09 14:30:30 +08:00
|
|
|
|
```
|
|
|
|
|
|
|
2022-07-10 03:39:00 +08:00
|
|
|
|
前端调试:
|
|
|
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
|
# In host
|
|
|
|
|
|
# yarn
|
|
|
|
|
|
# yarn watch
|
|
|
|
|
|
yarn serve
|
|
|
|
|
|
```
|
|
|
|
|
|
|
2022-07-09 14:30:30 +08:00
|
|
|
|
客户端连接:
|
|
|
|
|
|
|
|
|
|
|
|
```bash
|
2022-07-11 23:58:53 +08:00
|
|
|
|
# sudo apt install postgresql-client
|
2022-07-09 14:30:30 +08:00
|
|
|
|
# 登入
|
|
|
|
|
|
psql -h localhost -U postgres
|
|
|
|
|
|
# 显示数据库列表
|
|
|
|
|
|
\l
|
|
|
|
|
|
```
|
|
|
|
|
|
|
2022-08-09 11:50:14 +08:00
|
|
|
|
## 调试环境
|
|
|
|
|
|
|
|
|
|
|
|
不使用`docker compose`创建两个container分别运行EdgeManager和pg:
|
|
|
|
|
|
|
|
|
|
|
|
```bash
|
|
|
|
|
|
# cd EdgeManager # 先定位到项目目录,方便创建image和挂载
|
|
|
|
|
|
# 创建EdgeManager的image
|
|
|
|
|
|
docker build --network host -t edge_manager .
|
|
|
|
|
|
# 创建container运行EdgeManager
|
2022-08-09 16:39:05 +08:00
|
|
|
|
docker run -d --name edge_manager_test -v $PWD:/EdgeManager --network host -it edge_manager
|
2022-08-09 11:50:14 +08:00
|
|
|
|
# 创建container运行pg,将端口映射到host的55432
|
|
|
|
|
|
docker run -d --name pg_test -v $PWD/config/postgresql.conf:/etc/postgresql/postgresql.conf -p 55432:5432 -e POSTGRES_PASSWORD=big_dick -it timescale/timescaledb-ha:pg14-latest postgres -c 'config_file=/etc/postgresql/postgresql.conf'
|
|
|
|
|
|
# 进入交互式Prompt
|
|
|
|
|
|
docker exec -it edge_manager_test bash
|
|
|
|
|
|
# 启动EdgeManager(workerman)命令省略...
|
|
|
|
|
|
|
|
|
|
|
|
# 常用命令
|
|
|
|
|
|
# 查看全部container
|
|
|
|
|
|
docker ps -a
|
|
|
|
|
|
# 启动已停止的container
|
|
|
|
|
|
docker start [container]
|
|
|
|
|
|
```
|
|
|
|
|
|
|
2022-07-09 14:30:30 +08:00
|
|
|
|
## 技术细节
|
|
|
|
|
|
|
2022-07-10 22:11:08 +08:00
|
|
|
|
### 0. `EdgeManager\EDataCapture\EDataCapture -> set_data()`为什么是以`6710885`为大小chunked的?
|
2022-07-09 14:30:30 +08:00
|
|
|
|
|
2022-07-10 03:39:00 +08:00
|
|
|
|
首先明确一点,根据PostgreSQL的技术架构,条件允许的情况下,**一次性插入多条记录是效率最高的**,比如:
|
|
|
|
|
|
|
|
|
|
|
|
```sql
|
|
|
|
|
|
INSERT INTO films (code, title, did, date_prod, kind) VALUES
|
|
|
|
|
|
('B6717', 'Tampopo', 110, '1985-02-10', 'Comedy'),
|
|
|
|
|
|
('HG120', 'The Dinner Game', 140, DEFAULT, 'Comedy');
|
|
|
|
|
|
```
|
2022-07-09 14:30:30 +08:00
|
|
|
|
|
|
|
|
|
|
这其中,仅插入部分字段的值,比如:
|
|
|
|
|
|
|
|
|
|
|
|
```sql
|
|
|
|
|
|
INSERT INTO films (code, title, did, date_prod, kind)
|
|
|
|
|
|
VALUES ('T_601', 'Yojimbo', 106, '1961-06-16', 'Drama');
|
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
|
|
的效率又远远不如插入全部列,但使用特殊变量DEFAULT替代缺少的字段,比如:
|
|
|
|
|
|
|
|
|
|
|
|
```sql
|
|
|
|
|
|
INSERT INTO films VALUES
|
|
|
|
|
|
('UA502', 'Bananas', DEFAULT, '1971-07-13', 'Comedy', '82 minutes');
|
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
|
|
PostgreSQL的文档里没有提及这个话题,因为源码里为SQL语句的内存分配[指定了一个最大长度常量`MaxAllocSize`](https://github.com/postgres/postgres/blob/2373fe78dfc9d4aa2348a86fffdf8eb9d757e9d5/src/common/stringinfo.c#L28),其大小为比1GB小1字节。这个值可以在编译前手动修改,所以理论上每个PG运行的实例都可以不一样,如果我们使用的PG并非修改过源码手动编译的,那么SQL语句的最大长度为`1024 ** 3 - 1 = 1073741823` bytes。
|
|
|
|
|
|
|
|
|
|
|
|
> 安全起见,下述计算假定working_subclass等字段的最大长度均为我们以往约定的45 bytes。
|
|
|
|
|
|
|
2022-07-10 22:11:08 +08:00
|
|
|
|
而此处我源码中的SQL语句头长度为138 bytes(注意末尾空格):
|
2022-07-09 14:30:30 +08:00
|
|
|
|
|
|
|
|
|
|

|
|
|
|
|
|
|
2022-07-10 22:11:08 +08:00
|
|
|
|
单个语句体的长度为160 bytes:
|
2022-07-09 14:30:30 +08:00
|
|
|
|
|
|
|
|
|
|

|
|
|
|
|
|
|
2022-07-10 22:11:08 +08:00
|
|
|
|
所以其最多可以一次性插入`(1073741823 - 138) / 160`条记录,向下取整后即为`6710885`。
|