From 44762837ec94497cb08375df3ca1235e35d93339 Mon Sep 17 00:00:00 2001
From: wu <2468489804@qq.com>
Date: Tue, 11 Oct 2022 15:03:01 +0800
Subject: [PATCH] =?UTF-8?q?docs:book=E5=A2=9E=E5=8A=A0scada=E7=9A=84?=
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---
 README.md                     | 390 ----------------------------------
 docs/src/SUMMARY.md           |  11 +
 docs/src/scada/api.md         |  91 ++++++++
 docs/src/scada/details.md     |  39 ++++
 docs/src/scada/environment.md |  77 +++++++
 docs/src/scada/front.md       |  91 ++++++++
 docs/src/scada/plug_in.md     |   6 +
 docs/src/scada/service.md     |  48 +++++
 docs/src/scada/sql_body.png   | Bin 0 -> 9412 bytes
 docs/src/scada/sql_head.png   | Bin 0 -> 11856 bytes
 10 files changed, 363 insertions(+), 390 deletions(-)
 create mode 100644 docs/src/scada/api.md
 create mode 100644 docs/src/scada/details.md
 create mode 100644 docs/src/scada/environment.md
 create mode 100644 docs/src/scada/front.md
 create mode 100644 docs/src/scada/plug_in.md
 create mode 100644 docs/src/scada/service.md
 create mode 100644 docs/src/scada/sql_body.png
 create mode 100644 docs/src/scada/sql_head.png

diff --git a/README.md b/README.md
index 1863d57..e69de29 100644
--- a/README.md
+++ b/README.md
@@ -1,390 +0,0 @@
-# EdgeManager（SCADA系统）
-
-- [EdgeManager（SCADA系统）](#edgemanagerscada系统)
-  - [API](#api)
-    - [class `EDataCapture`](#class-edatacapture)
-      - [0. HTTP POST: `set_node_data`](#0-http-post-set_node_data)
-  - [使用指北](#使用指北)
-    - [后端](#后端)
-    - [前端](#前端)
-  - [开发环境](#开发环境)
-  - [调试环境](#调试环境)
-  - [技术细节](#技术细节)
-    - [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)
-
-## API
-
-> API设计最大程度遵循了已有的MES规范。
-
-### class `EDataCapture`
-
-#### 0. HTTP POST: `set_node_data`
-
-**请求**
-
-> 上位机程序中请单次传入尽量多的数据使得性能最大化。
-> 
-> 但仍需兼顾传输速率和超时时间。
->
-> 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。
-
-
-**上传设备状态**
-
-> 数据节点的数据类型在后台设定为设备状态时，该节点上传的值只能上传int或string两种类型。
-> 
-> 并且int或string这两种类型，只能上传下方表格中int或string指定的值，若不符则会报错。
-> 
-> 上传对应的设备状态parent_device_code为必传字段
-
-|  int类型   | string类型  | 描述  |
-|  -----  | -----  | -----  | 
-| 1  | IDLE  | 设备已经初始化，再等待工作  |
-| 2  | RUN   | 设备在工作  |
-| 3  | FINISH  | 工序结束后，托盘还没取出时，设备为FINISH，取出后变为IDLE状态  |
-| 4  | TROUBLE   | 设备有问题，需要维修，这时msg有相应的关键字  |
-| 5  | PAUSE   |  设备通过手工操作变成暂停状态  |
-| 6  | OFFLINE   | 设备处于离线状态  |
-
-```json
-{
-    "action": "set_node_data",
-    "param": {
-        "working_subclass": <string>,  // 可选
-        "data": [
-            {
-                "code": <string>,
-                // value的类型需与type对应
-                "value": <string | int | float | bool>,
-                "device_code": [string],  // 必需字段
-                "parent_device_code": [string],  // 可选字段，对应MES中的code
-                "batch": [string]  // 可选字段
-            },
-            {
-                //code的值在后台的数据类别为设备状态类型时
-                "code": <string>,
-                // value的类型需与type对应
-                "value": <string | int >,
-                "device_code": [string],  // 必需字段
-                "parent_device_code": [string],  // 必需字段，对应MES中的code
-                "batch": [string]  // 可选字段
-            },
-            {
-                "code": <string>,
-                "value": <string | int | float | bool>,
-                "device_code": [string],
-                "parent_device_code": [string],
-                "batch": [string]
-            },
-            ...
-        ]
-    }
-}
-```
-
-**返回**
-
-操作成功：
-
-```json
-{
-    "action": "result_set_node_data",
-    "errcode": 0,
-    "errmsg": ""
-}
-```
-
-操作失败（**工序单元尚未登记**）：
-
-```json
-{
-    "action": "result_set_node_data",
-    "errcode": 4002,
-    "errmsg": "未登记过的工序单元！"
-}
-```
-
-操作失败（**数值类型错误**）：
-
-```json
-{
-    "action": "result_set_node_data",
-    "errcode": 4002,
-    "errmsg": "节点编码和数值类型不匹配！"
-}
-```
-
-操作失败（不明原因）：
-
-```json
-{
-    "action": "result_set_node_data",
-    "errcode": 4002,
-    "errmsg": "ROLLBACKed: Bad data received (structure and/or values)"
-}
-```
-
-
-## 使用指北
-
-本项目可独立运行，也可作为MES的插件使用。
-
-下文简要介绍如何将代码合并入MES中。
-
-需要保证`timescaledb`的版本在**2.2.0或以上**。
-
-### 后端
-
-添加pg扩展（Ubuntu）：
-
-```bash
-sudo apt install php-pgsql
-```
-
-添加pg扩展（CentOS 7）：
-
-```bash
-sudo yum install php-pgsql
-```
-
-添加pg扩展（CentOS8）：
-
-```bash
-sudo dnf install php-pgsql
-```
-
-目录结构：
-
-```pre
-📦EdgeManager
- ┣ 📂EDataCapture
- ┃ ┣ 📜EDataCapture.php
- ┃ ┗ 📜ENodeConfigure.php
- ┣ 📜Init.php
- ┗ 📜Utils.php
-```
-
-建议使用composer autoload引入。
-
-将目录`EdgeManager`复制至项目后在composer.json内写入：
-
-```json
-"autoload": {
-    "psr-4": {
-        "EdgeManager\\": "EdgeManager/"
-    },
-    "files": [
-        "EdgeManager/Utils.php",
-        "EdgeManager/Init.php"
-    ]
-},
-```
-
-运行`composer dump-autoload`即可正常调用EdgeManager的代码。
-
-### 前端
-
-添加依赖（**使用npm**）：
-
-```bash
-npm i element-ui \
-    @d2-projects/d2-crud \
-    vue-cheetah-grid \
-    @d2-projects/vue-table-export \
-    @d2-projects/vue-table-import \
-    github-markdown-css \
-    marked@^2.0.0 \
-    jschardet -S
-```
-
-添加依赖（**使用yarn**）：
-```bash
-yarn add element-ui \
-    @d2-projects/d2-crud \
-    vue-cheetah-grid \
-    @d2-projects/vue-table-export \
-    @d2-projects/vue-table-import \
-    github-markdown-css \
-    marked@^2.0.0 \
-    jschardet
-```
-
-需要在`main.js`中增加（全局引入组件）：
-
-```js
-// D2-Crud
-import ElementUI from 'element-ui'
-import 'element-ui/lib/theme-chalk/index.css'
-import D2Crud from '@d2-projects/d2-crud'
-// Cheetah-Grid
-import vueCheetahGrid from 'vue-cheetah-grid'
-// 表格导出插件
-import pluginExport from '@d2-projects/vue-table-export'
-import pluginImport from '@d2-projects/vue-table-import'
-
-Vue.use(ElementUI)
-Vue.use(D2Crud)
-Vue.use(vueCheetahGrid)
-Vue.use(pluginExport)
-Vue.use(pluginImport)
-```
-
-*（可选）* 在`package.json`里更改`element-ui`版本：
-
-```json
-"element-ui": ">2.15.9 || 2.15.8",
-```
-
-`2.15.9`有一个小[bug](https://github.com/ElemeFE/element/issues/21941)，会导致性能下降。
-
-此外请参照目录结构中注释进行代码合并：
-
-```pre
-📦src
- ┣ 📂api
- ┃ ┣ 📂modules
- ┃ ┃ ┣ 📜scada.configure.api.js  # 增添Axios请求
- ┃ ┃ ┗ 📜sys.user.api.js
- ┃ ┣ 📜index.js
- ┃ ┣ 📜service.js
- ┃ ┗ 📜tools.js
- ┣ 📂assets
- ┣ 📂components
- ┃ ┣ 📂d2-markdown  # 渲染markdown所需组件（在D2Admin的基础上精简了功能）
- ┃ ┃ ┗ 📜index.vue
- ┃ ┗ 📜index.js  # 在此处注册d2-markdown
- ┣ 📂libs
- ┣ 📂locales
- ┣ 📂menu
- ┃ ┗ 📜index.js  # 增添菜单
- ┣ 📂plugin
- ┣ 📂router
- ┃ ┣ 📜index.js
- ┃ ┗ 📜routes.js  # 增添路由
- ┣ 📂store
- ┣ 📂views
- ┃ ┣ 📂scada  # 增添页面
- ┃ ┃ ┣ 📂scadaConfigure
- ┃ ┃ ┃ ┗ 📜index.vue
- ┃ ┃ ┗ 📂scadaQuery
- ┃ ┃ ┃ ┗ 📜index.vue
- ┃ ┗ 📂system
- ┣ 📜App.vue
- ┣ 📜i18n.js
- ┣ 📜main.js
- ┗ 📜setting.js
-```
-
-## 开发环境
-
-拉取代码：
-
-```bash
-# 建议先配置SSH key pair
-git clone ssh://git@118.195.187.246:10022/ysun/EdgeManager.git
-cd EdgeManager
-```
-
-一键部署PHP workerman和TimescaleDB环境：
-
-```bash
-# docker build --network host -t edge_manager .
-docker compose up -d
-```
-
-进入交互式Prompt：
-
-```bash
-docker exec -it edge_manager bash
-```
-
-后端调试：
-
-```bash
-# In container
-# --no_dup_code：禁止code在不同的working subclass间复用
-# --relay_device_status：不判断是否是设备状态并转发到MES接口
-php EdgeManager.php --no_dup_code --relay_device_status --server_name=GPU-server-01 --user=postgres --password=big_dick start
-```
-
-前端调试：
-
-```bash
-# In host
-# yarn
-# yarn watch
-yarn serve
-```
-
-客户端连接：
-
-```bash
-# sudo apt install postgresql-client
-# 登入
-psql -h localhost -U postgres
-# 显示数据库列表
-\l
-```
-
-## 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
-docker run -d --name edge_manager_test -v $PWD:/EdgeManager --network host --ipc host -it edge_manager
-# 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]
-```
-
-## 技术细节
-
-### 0. `EdgeManager\EDataCapture\EDataCapture -> set_data()`为什么是以`6710885`为大小chunked的？
-
-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');
-```
-
-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。
-
-而此处我源码中的SQL语句头长度为138 bytes（注意末尾空格）：
-
-![](imgs/sql_head.png)
-
-单个语句体的长度为160 bytes：
-
-![](imgs/sql_body.png)
-
-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`。
diff --git a/docs/src/SUMMARY.md b/docs/src/SUMMARY.md
index ba304b9..78c046b 100644
--- a/docs/src/SUMMARY.md
+++ b/docs/src/SUMMARY.md
@@ -4,6 +4,17 @@
 
 [系统配置](system.md)
 
+
+# SCADA系统
+
+- [环境搭建](scada/environment.md)
+- [作为MES插件使用](scada/plug_in.md)
+  - [前端配置](scada/front.md)
+  - [后端配置](scada/service.md)
+- [API](scada/API.md)
+- [技术细节](scada/details.md)
+  
+
 # 测试
 
 - [集群搭建](tests/cluster.md)
diff --git a/docs/src/scada/api.md b/docs/src/scada/api.md
new file mode 100644
index 0000000..b23858b
--- /dev/null
+++ b/docs/src/scada/api.md
@@ -0,0 +1,91 @@
+# API
+> API设计最大程度遵循了已有的MES规范。
+
+## 请求说明
+>上位机程序中请单次传入尽量多的数据使得性能最大化。
+>
+>但仍需兼顾传输速率和超时时间。
+>
+>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。
+
+### set_node_data，上传设备实时数据
+#### 输入接口参数说明:
+
+|  参数名称   | 参数说明  | 类型  | 是否必传  |备注  |
+|  ----  | ----  | ----  | ----  |----  |
+| action  | 接口名称 |String  | 是 |
+| param  | 接口参数 |Object  |  是|
+| working_subclass  | 工序单元属性 |String  | 可选 | 通过数据系统对各工序动态定义|
+| data  | 上传数值 |Array  | 是|
+| code  | 值 | String  | 是 | 
+| value  | 值 |string/int/float/bool  | 是 | value的类型需与数据库节点配置表的type对应|
+| device_code  | 设备编码 |string  | 是 | 
+| parent_device_code  | 值 | String  | 可选 | MES系统中的设备编号,上传设备状态时为必传|
+| batch  | 批次号 | String  | 可选 | MES系统中的生产批次号|
+
+```json
+{
+    "action": "set_node_data",
+    "param": {
+        "working_subclass": <string>,  // 可选
+        "data": [
+            {
+                "code": <string>,
+                "value": <string | int | float | bool>,// value的类型需与type对应
+                "device_code": [string],  // 必需字段
+                "parent_device_code": [string],  // 可选字段，对应MES中的device_code
+                "batch": [string]  // 可选字段
+            },
+            {
+                //code的值在后台的数据类别为设备状态类型时
+                "code": <string>,
+                // value的类型需与type对应
+                "value": <string | int >,
+                "device_code": [string],  // 必需字段
+                "parent_device_code": [string],  // 必需字段，对应MES中的code
+                "batch": [string]  // 可选字段
+            },
+            {
+                "code": <string>,
+                "value": <string | int | float | bool>,
+                "device_code": [string],
+                "parent_device_code": [string],
+                "batch": [string]
+            },
+            ...
+        ]
+    }
+}
+```
+
+#### 1.2 输出接口参数说明：
+
+|  参数名称   | 参数说明  | 类型  | 长度  |备注  |
+|  -----  | -----  | -----  | -----  |-----  |
+| action  | 接口名称 |String  | 45 |
+| errcode  | 返回码 |Int  | 11 |0：请求成功<br>4002：未登记过的工序单元！<br>4002：节点编码和数值类型不匹配！<br>4002：ROLLBACKed: Bad data received (structure and/or values) |
+| errmsg  | 错误信息 |String  | 255 |errcode 不为0，errmsg才有错误信息 |
+
+```
+{
+  action: "result_set_node_data", 
+  errcode: 0, 
+  errmsg: ""
+}
+```
+
+## 上传设备状态
+>数据节点的数据类型在后台设定为设备状态时，该节点上传的值只能上传int或string两种类型。
+>
+>并且int或string这两种类型，只能上传下方表格中int或string指定的值，若不符则会报错。
+>
+>上传对应的设备状态parent_device_code为必传字段
+
+|  int类型   | string类型  | 描述  |
+|  -----  | -----  | -----  | 
+| 1  | IDLE  | 设备已经初始化，再等待工作  |
+| 2  | RUN   | 设备在工作  |
+| 3  | FINISH  | 工序结束后，托盘还没取出时，设备为FINISH，取出后变为IDLE状态  |
+| 4  | TROUBLE   | 设备有问题，需要维修，这时msg有相应的关键字  |
+| 5  | PAUSE   |  设备通过手工操作变成暂停状态  |
+| 6  | OFFLINE   | 设备处于离线状态  |
\ No newline at end of file
diff --git a/docs/src/scada/details.md b/docs/src/scada/details.md
new file mode 100644
index 0000000..a18bc57
--- /dev/null
+++ b/docs/src/scada/details.md
@@ -0,0 +1,39 @@
+## 技术细节
+
+### 0. `EdgeManager\EDataCapture\EDataCapture -> set_data()`为什么是以`6710885`为大小chunked的？
+
+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');
+```
+
+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。
+
+而此处我源码中的SQL语句头长度为138 bytes（注意末尾空格）：
+
+![](sql_head.png)
+
+单个语句体的长度为160 bytes：
+
+![](sql_body.png)
+
+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`。
\ No newline at end of file
diff --git a/docs/src/scada/environment.md b/docs/src/scada/environment.md
new file mode 100644
index 0000000..0b23772
--- /dev/null
+++ b/docs/src/scada/environment.md
@@ -0,0 +1,77 @@
+# 环境搭建
+## 开发环境
+
+拉取代码：
+
+```bash
+# 建议先配置SSH key pair
+git clone ssh://git@118.195.187.246:10022/ysun/EdgeManager.git
+cd EdgeManager
+```
+
+一键部署PHP workerman和TimescaleDB环境：
+
+```bash
+# docker build --network host -t edge_manager .
+docker compose up -d
+```
+
+进入交互式Prompt：
+
+```bash
+docker exec -it edge_manager sh
+```
+
+后端调试：
+
+>--no_dup_code：禁止code在不同的working subclass间复用
+>
+>--relay_device_status：不判断是否是设备状态并转发到MES接口
+>
+>--port：连接PG数据库端口，默认5432端口
+
+```bash
+# In container
+php EdgeManager.php --no_dup_code --relay_device_status --server_name=GPU-server-01 --user=postgres --password=big_dick start
+```
+
+前端调试：
+
+```bash
+# In host
+# yarn
+# yarn watch
+yarn serve
+```
+
+客户端PG连接：
+
+```bash
+# sudo apt install postgresql-client
+# 登入
+psql -h localhost -U postgres
+# 显示数据库列表
+\l
+```
+
+## 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
+docker run -d --name edge_manager_test -v $PWD:/EdgeManager --network host --ipc host -it edge_manager
+# 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 sh
+# 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]
diff --git a/docs/src/scada/front.md b/docs/src/scada/front.md
new file mode 100644
index 0000000..47a6639
--- /dev/null
+++ b/docs/src/scada/front.md
@@ -0,0 +1,91 @@
+# 前端配置
+添加依赖（**使用npm**）：
+
+```bash
+npm i element-ui \
+    @d2-projects/d2-crud \
+    vue-cheetah-grid \
+    @d2-projects/vue-table-export \
+    @d2-projects/vue-table-import \
+    github-markdown-css \
+    marked@^2.0.0 \
+    jschardet -S
+```
+
+添加依赖（**使用yarn**）：
+```bash
+yarn add element-ui \
+    @d2-projects/d2-crud \
+    vue-cheetah-grid \
+    @d2-projects/vue-table-export \
+    @d2-projects/vue-table-import \
+    github-markdown-css \
+    marked@^2.0.0 \
+    jschardet
+```
+
+需要在`main.js`中增加（全局引入组件）：
+
+```js
+// D2-Crud
+import ElementUI from 'element-ui'
+import 'element-ui/lib/theme-chalk/index.css'
+import D2Crud from '@d2-projects/d2-crud'
+// Cheetah-Grid
+import vueCheetahGrid from 'vue-cheetah-grid'
+// 表格导出插件
+import pluginExport from '@d2-projects/vue-table-export'
+import pluginImport from '@d2-projects/vue-table-import'
+
+Vue.use(ElementUI)
+Vue.use(D2Crud)
+Vue.use(vueCheetahGrid)
+Vue.use(pluginExport)
+Vue.use(pluginImport)
+```
+
+*（可选）* 在`package.json`里更改`element-ui`版本：
+
+```json
+"element-ui": ">2.15.9 || 2.15.8",
+```
+
+`2.15.9`有一个小[bug](https://github.com/ElemeFE/element/issues/21941)，会导致性能下降。
+
+此外请参照目录结构中注释进行代码合并：
+
+```pre
+📦src
+ ┣ 📂api
+ ┃ ┣ 📂modules
+ ┃ ┃ ┣ 📜scada.configure.api.js  # 增添Axios请求
+ ┃ ┃ ┗ 📜sys.user.api.js
+ ┃ ┣ 📜index.js
+ ┃ ┣ 📜service.js
+ ┃ ┗ 📜tools.js
+ ┣ 📂assets
+ ┣ 📂components
+ ┃ ┣ 📂d2-markdown  # 渲染markdown所需组件（在D2Admin的基础上精简了功能）
+ ┃ ┃ ┗ 📜index.vue
+ ┃ ┗ 📜index.js  # 在此处注册d2-markdown
+ ┣ 📂libs
+ ┣ 📂locales
+ ┣ 📂menu
+ ┃ ┗ 📜index.js  # 增添菜单
+ ┣ 📂plugin
+ ┣ 📂router
+ ┃ ┣ 📜index.js
+ ┃ ┗ 📜routes.js  # 增添路由
+ ┣ 📂store
+ ┣ 📂views
+ ┃ ┣ 📂scada  # 增添页面
+ ┃ ┃ ┣ 📂scadaConfigure
+ ┃ ┃ ┃ ┗ 📜index.vue
+ ┃ ┃ ┗ 📂scadaQuery
+ ┃ ┃ ┃ ┗ 📜index.vue
+ ┃ ┗ 📂system
+ ┣ 📜App.vue
+ ┣ 📜i18n.js
+ ┣ 📜main.js
+ ┗ 📜setting.js
+```
\ No newline at end of file
diff --git a/docs/src/scada/plug_in.md b/docs/src/scada/plug_in.md
new file mode 100644
index 0000000..7dfda28
--- /dev/null
+++ b/docs/src/scada/plug_in.md
@@ -0,0 +1,6 @@
+# SCADA系统
+> 本项目可独立运行，也可作为MES的插件使用。
+> 
+> 下面章节简要介绍如何将代码合并入MES中。
+> 
+> 需要保证timescaledb的版本在2.2.0或以上。
\ No newline at end of file
diff --git a/docs/src/scada/service.md b/docs/src/scada/service.md
new file mode 100644
index 0000000..a4c8a23
--- /dev/null
+++ b/docs/src/scada/service.md
@@ -0,0 +1,48 @@
+# 后端配置
+
+添加pg扩展（Ubuntu）：
+
+```bash
+sudo apt install php-pgsql
+```
+
+添加pg扩展（CentOS 7）：
+
+```bash
+sudo yum install php-pgsql
+```
+
+添加pg扩展（CentOS8）：
+
+```bash
+sudo dnf install php-pgsql
+```
+
+目录结构：
+
+```pre
+📦EdgeManager
+ ┣ 📂EDataCapture
+ ┃ ┣ 📜EDataCapture.php
+ ┃ ┗ 📜ENodeConfigure.php
+ ┣ 📜Init.php
+ ┗ 📜Utils.php
+```
+
+建议使用composer autoload引入。
+
+将目录`EdgeManager`复制至项目后在composer.json内写入：
+
+```json
+"autoload": {
+    "psr-4": {
+        "EdgeManager\\": "EdgeManager/"
+    },
+    "files": [
+        "EdgeManager/Utils.php",
+        "EdgeManager/Init.php"
+    ]
+},
+```
+
+运行`composer dump-autoload`即可正常调用EdgeManager的代码。
\ No newline at end of file
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