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pyGurobi使用手册

發(fā)布時(shí)間：2023/12/9 编程问答 46 豆豆

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gurobi使用手冊(cè)

引言
- 針對(duì)優(yōu)化模型Infeasible的錯(cuò)誤，如何快速Debug?
- - computeIIS()的用法
- 功能快捷鍵
- 合理的創(chuàng)建標(biāo)題，有助于目錄的生成
- 如何改變文本的樣式
- 插入鏈接與圖片
- 如何插入一段漂亮的代碼片
- 生成一個(gè)適合你的列表
- 創(chuàng)建一個(gè)表格
- - 設(shè)定內(nèi)容居中、居左、居右
  - SmartyPants
- 創(chuàng)建一個(gè)自定義列表
- 如何創(chuàng)建一個(gè)注腳
- 注釋也是必不可少的
- KaTeX數(shù)學(xué)公式
- 新的甘特圖功能，豐富你的文章
- UML 圖表
- FLowchart流程圖
- 導(dǎo)出與導(dǎo)入
- - 導(dǎo)出
  - 導(dǎo)入

引言

優(yōu)化求解器的使用是一門學(xué)問，我個(gè)人一開始使用的是Cplex，當(dāng)前就在學(xué)習(xí)和使用Gurobi，但我在使用求解器的過程中也遇到了很多的問題，目前這篇文章就是總結(jié)和記錄博主遇到的問題。中間也會(huì)把gurobi相關(guān)的語法作一說明。

針對(duì)優(yōu)化模型Infeasible的錯(cuò)誤，如何快速Debug?

在使用Gurobi寫model的過程中大概都會(huì)遇到一個(gè)Bug，就是你把自己建立的模型輸入到gurobi里運(yùn)行后，運(yùn)行程序讓gurobi去求優(yōu)化求解你的問題的時(shí)候，gurobi卻報(bào)出一個(gè)infeasible model的錯(cuò)誤信息。此時(shí)有兩種可能性，一是你建立的模型本身有問題，導(dǎo)致你的模型里的約束條件有相互矛盾的地方，所以模型根本就沒有可行解；二是你的模型本身沒有問題，但是你在把數(shù)學(xué)模型輸入到gurobi的過程中編程錯(cuò)誤或者參數(shù)值輸入不正確導(dǎo)致你的模型不可行了。

那么，如何快速找到哪些約束之間互相矛盾造成模型不可行呢？

其實(shí)，gurobi提供了一個(gè)函數(shù)computeIIS()可以幫我迅速鎖定出是有問題的約束條件。

computeIIS()的用法

computeIIS()的用法（代碼運(yùn)行環(huán)境python3.7 gurobi9.0.3）

from gurobipy import *if __name__ == '__main__':m = Model("LP Model")x = m.addVars(2, lb=0.0, ub=1.0, name='x')m.addConstr(x[0] + x[1] >= 1.2, "c1")m.addConstr(x[0] + x[1] <= 1.1, "c2")m.addConstr(x[0] + x[1] >= 0.1, "c3")m.setObjective(x[0] + 2 * x[1])m.optimize()m.computeIIS()m.write("model1.ilp")# for i in range(len(x)):# print(x[i].VarName, " = ", x[i].x)

從上面的python代碼中也可以看出 c1 和 c2 約束互相矛盾，模型不存在可行解。所以在用gurobi求解這個(gè)模型的時(shí)候，gurobi會(huì)報(bào)出infeasible model的錯(cuò)誤信息，此時(shí)可以調(diào)用函數(shù) $c o m p u t e I I S ()$ 就可以得到哪些約束是互相矛盾的，去掉這些矛盾約束或者改正你的模型使得問題可行。

那么，對(duì)于實(shí)際模型，其約束往往較多的，模型該如何快速定位矛盾約束位置呢，可以使用 $w r i t e ()$ 函數(shù)將結(jié)果輸出，輸出一個(gè)擴(kuò)展名為".ilp"的文件，里面會(huì)包含所有的矛盾約束，如上面的例子會(huì)輸出如下內(nèi)容：

\ Model LP Model_copy \ LP format - for model browsing. Use MPS format to capture full model detail. Minimize Subject Toc1: x[0] + x[1] >= 1.2c2: x[0] + x[1] <= 1.1 Boundsx[0] freex[1] free End

這個(gè)時(shí)候可以看到確實(shí)是前連個(gè)約束形成了矛盾約束，第三個(gè)約束沒有矛盾因?yàn)椴辉趇lp文件內(nèi)。

功能快捷鍵

撤銷：Ctrl/Command + Z
重做：Ctrl/Command + Y
加粗：Ctrl/Command + B
斜體：Ctrl/Command + I
標(biāo)題：Ctrl/Command + Shift + H
無序列表：Ctrl/Command + Shift + U
有序列表：Ctrl/Command + Shift + O
檢查列表：Ctrl/Command + Shift + C
插入代碼：Ctrl/Command + Shift + K
插入鏈接：Ctrl/Command + Shift + L
插入圖片：Ctrl/Command + Shift + G
查找：Ctrl/Command + F
替換：Ctrl/Command + G

合理的創(chuàng)建標(biāo)題，有助于目錄的生成

直接輸入1次#，并按下space后，將生成1級(jí)標(biāo)題。
輸入2次#，并按下space后，將生成2級(jí)標(biāo)題。
以此類推，我們支持6級(jí)標(biāo)題。有助于使用TOC語法后生成一個(gè)完美的目錄。

如何改變文本的樣式

強(qiáng)調(diào)文本強(qiáng)調(diào)文本

加粗文本 加粗文本

標(biāo)記文本

刪除文本

引用文本

H₂O is是液體。

2¹⁰ 運(yùn)算結(jié)果是 1024.

插入鏈接與圖片

鏈接: link.

圖片:

帶尺寸的圖片:

居中的圖片:

居中并且?guī)С叽绲膱D片:

當(dāng)然，我們?yōu)榱俗層脩舾颖憬?#xff0c;我們?cè)黾恿藞D片拖拽功能。

如何插入一段漂亮的代碼片

去博客設(shè)置頁面，選擇一款你喜歡的代碼片高亮樣式，下面展示同樣高亮的代碼片.

// An highlighted block var foo = 'bar';

生成一個(gè)適合你的列表

項(xiàng)目
- 項(xiàng)目
  - 項(xiàng)目

項(xiàng)目1

項(xiàng)目2

項(xiàng)目3

計(jì)劃任務(wù)
完成任務(wù)

創(chuàng)建一個(gè)表格

一個(gè)簡單的表格是這么創(chuàng)建的：

項(xiàng)目Value

電腦	$1600
手機(jī)	$12
導(dǎo)管	$1

設(shè)定內(nèi)容居中、居左、居右

使用:---------:居中
使用:----------居左
使用----------:居右

第一列第二列第三列

第一列文本居中

第二列文本居右

第三列文本居左

SmartyPants

SmartyPants將ASCII標(biāo)點(diǎn)字符轉(zhuǎn)換為“智能”印刷標(biāo)點(diǎn)HTML實(shí)體。例如：

TYPEASCIIHTML

Single backticks	'Isn't this fun?'	‘Isn’t this fun?’
Quotes	"Isn't this fun?"	“Isn’t this fun?”
Dashes	-- is en-dash, --- is em-dash	– is en-dash, — is em-dash

創(chuàng)建一個(gè)自定義列表

Markdown

Text-to-HTML conversion tool

Authors

John

Luke

如何創(chuàng)建一個(gè)注腳

一個(gè)具有注腳的文本。¹

注釋也是必不可少的

Markdown將文本轉(zhuǎn)換為 HTML。

KaTeX數(shù)學(xué)公式

您可以使用渲染LaTeX數(shù)學(xué)表達(dá)式 KaTeX:

Gamma公式展示 $Γ(n)=(n?1)!?n∈N\Gamma(n) = (n-1)!\quad\forall n\in\mathbb N$ 是通過歐拉積分

$Γ(z)=∫0∞tz?1e?tdt.\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.$

你可以找到更多關(guān)于的信息 LaTeX 數(shù)學(xué)表達(dá)式here.

新的甘特圖功能，豐富你的文章

Mon 06Mon 13Mon 20已完成進(jìn)行中計(jì)劃一計(jì)劃二現(xiàn)有任務(wù)Adding GANTT diagram functionality to mermaid

關(guān)于 甘特圖 語法，參考這兒,

UML 圖表

可以使用UML圖表進(jìn)行渲染。 Mermaid. 例如下面產(chǎn)生的一個(gè)序列圖：

#mermaid-svg-ppMXO1NYb028jGTy .label{font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family);fill:#333;color:#333}#mermaid-svg-ppMXO1NYb028jGTy .label text{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .node rect,#mermaid-svg-ppMXO1NYb028jGTy .node circle,#mermaid-svg-ppMXO1NYb028jGTy .node ellipse,#mermaid-svg-ppMXO1NYb028jGTy .node polygon,#mermaid-svg-ppMXO1NYb028jGTy .node path{fill:#ECECFF;stroke:#9370db;stroke-width:1px}#mermaid-svg-ppMXO1NYb028jGTy .node .label{text-align:center;fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .node.clickable{cursor:pointer}#mermaid-svg-ppMXO1NYb028jGTy .arrowheadPath{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .edgePath .path{stroke:#333;stroke-width:1.5px}#mermaid-svg-ppMXO1NYb028jGTy .flowchart-link{stroke:#333;fill:none}#mermaid-svg-ppMXO1NYb028jGTy .edgeLabel{background-color:#e8e8e8;text-align:center}#mermaid-svg-ppMXO1NYb028jGTy .edgeLabel rect{opacity:0.9}#mermaid-svg-ppMXO1NYb028jGTy .edgeLabel span{color:#333}#mermaid-svg-ppMXO1NYb028jGTy .cluster rect{fill:#ffffde;stroke:#aa3;stroke-width:1px}#mermaid-svg-ppMXO1NYb028jGTy .cluster text{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family);font-size:12px;background:#ffffde;border:1px solid #aa3;border-radius:2px;pointer-events:none;z-index:100}#mermaid-svg-ppMXO1NYb028jGTy .actor{stroke:#ccf;fill:#ECECFF}#mermaid-svg-ppMXO1NYb028jGTy text.actor>tspan{fill:#000;stroke:none}#mermaid-svg-ppMXO1NYb028jGTy .actor-line{stroke:grey}#mermaid-svg-ppMXO1NYb028jGTy .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333}#mermaid-svg-ppMXO1NYb028jGTy .messageLine1{stroke-width:1.5;stroke-dasharray:2, 2;stroke:#333}#mermaid-svg-ppMXO1NYb028jGTy #arrowhead path{fill:#333;stroke:#333}#mermaid-svg-ppMXO1NYb028jGTy .sequenceNumber{fill:#fff}#mermaid-svg-ppMXO1NYb028jGTy #sequencenumber{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy #crosshead path{fill:#333;stroke:#333}#mermaid-svg-ppMXO1NYb028jGTy .messageText{fill:#333;stroke:#333}#mermaid-svg-ppMXO1NYb028jGTy .labelBox{stroke:#ccf;fill:#ECECFF}#mermaid-svg-ppMXO1NYb028jGTy .labelText,#mermaid-svg-ppMXO1NYb028jGTy .labelText>tspan{fill:#000;stroke:none}#mermaid-svg-ppMXO1NYb028jGTy .loopText,#mermaid-svg-ppMXO1NYb028jGTy .loopText>tspan{fill:#000;stroke:none}#mermaid-svg-ppMXO1NYb028jGTy .loopLine{stroke-width:2px;stroke-dasharray:2, 2;stroke:#ccf;fill:#ccf}#mermaid-svg-ppMXO1NYb028jGTy .note{stroke:#aa3;fill:#fff5ad}#mermaid-svg-ppMXO1NYb028jGTy .noteText,#mermaid-svg-ppMXO1NYb028jGTy .noteText>tspan{fill:#000;stroke:none}#mermaid-svg-ppMXO1NYb028jGTy .activation0{fill:#f4f4f4;stroke:#666}#mermaid-svg-ppMXO1NYb028jGTy .activation1{fill:#f4f4f4;stroke:#666}#mermaid-svg-ppMXO1NYb028jGTy .activation2{fill:#f4f4f4;stroke:#666}#mermaid-svg-ppMXO1NYb028jGTy .mermaid-main-font{font-family:"trebuchet ms", verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy .section{stroke:none;opacity:0.2}#mermaid-svg-ppMXO1NYb028jGTy .section0{fill:rgba(102,102,255,0.49)}#mermaid-svg-ppMXO1NYb028jGTy .section2{fill:#fff400}#mermaid-svg-ppMXO1NYb028jGTy .section1,#mermaid-svg-ppMXO1NYb028jGTy .section3{fill:#fff;opacity:0.2}#mermaid-svg-ppMXO1NYb028jGTy .sectionTitle0{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .sectionTitle1{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .sectionTitle2{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .sectionTitle3{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .sectionTitle{text-anchor:start;font-size:11px;text-height:14px;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy .grid .tick{stroke:#d3d3d3;opacity:0.8;shape-rendering:crispEdges}#mermaid-svg-ppMXO1NYb028jGTy .grid .tick text{font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy .grid path{stroke-width:0}#mermaid-svg-ppMXO1NYb028jGTy .today{fill:none;stroke:red;stroke-width:2px}#mermaid-svg-ppMXO1NYb028jGTy .task{stroke-width:2}#mermaid-svg-ppMXO1NYb028jGTy .taskText{text-anchor:middle;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy .taskText:not([font-size]){font-size:11px}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutsideRight{fill:#000;text-anchor:start;font-size:11px;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutsideLeft{fill:#000;text-anchor:end;font-size:11px}#mermaid-svg-ppMXO1NYb028jGTy .task.clickable{cursor:pointer}#mermaid-svg-ppMXO1NYb028jGTy .taskText.clickable{cursor:pointer;fill:#003163 !important;font-weight:bold}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutsideLeft.clickable{cursor:pointer;fill:#003163 !important;font-weight:bold}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutsideRight.clickable{cursor:pointer;fill:#003163 !important;font-weight:bold}#mermaid-svg-ppMXO1NYb028jGTy .taskText0,#mermaid-svg-ppMXO1NYb028jGTy .taskText1,#mermaid-svg-ppMXO1NYb028jGTy .taskText2,#mermaid-svg-ppMXO1NYb028jGTy .taskText3{fill:#fff}#mermaid-svg-ppMXO1NYb028jGTy .task0,#mermaid-svg-ppMXO1NYb028jGTy .task1,#mermaid-svg-ppMXO1NYb028jGTy .task2,#mermaid-svg-ppMXO1NYb028jGTy .task3{fill:#8a90dd;stroke:#534fbc}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutside0,#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutside2{fill:#000}#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutside1,#mermaid-svg-ppMXO1NYb028jGTy .taskTextOutside3{fill:#000}#mermaid-svg-ppMXO1NYb028jGTy .active0,#mermaid-svg-ppMXO1NYb028jGTy .active1,#mermaid-svg-ppMXO1NYb028jGTy .active2,#mermaid-svg-ppMXO1NYb028jGTy .active3{fill:#bfc7ff;stroke:#534fbc}#mermaid-svg-ppMXO1NYb028jGTy .activeText0,#mermaid-svg-ppMXO1NYb028jGTy .activeText1,#mermaid-svg-ppMXO1NYb028jGTy .activeText2,#mermaid-svg-ppMXO1NYb028jGTy .activeText3{fill:#000 !important}#mermaid-svg-ppMXO1NYb028jGTy .done0,#mermaid-svg-ppMXO1NYb028jGTy .done1,#mermaid-svg-ppMXO1NYb028jGTy .done2,#mermaid-svg-ppMXO1NYb028jGTy .done3{stroke:grey;fill:#d3d3d3;stroke-width:2}#mermaid-svg-ppMXO1NYb028jGTy .doneText0,#mermaid-svg-ppMXO1NYb028jGTy .doneText1,#mermaid-svg-ppMXO1NYb028jGTy .doneText2,#mermaid-svg-ppMXO1NYb028jGTy .doneText3{fill:#000 !important}#mermaid-svg-ppMXO1NYb028jGTy .crit0,#mermaid-svg-ppMXO1NYb028jGTy .crit1,#mermaid-svg-ppMXO1NYb028jGTy .crit2,#mermaid-svg-ppMXO1NYb028jGTy .crit3{stroke:#f88;fill:red;stroke-width:2}#mermaid-svg-ppMXO1NYb028jGTy .activeCrit0,#mermaid-svg-ppMXO1NYb028jGTy .activeCrit1,#mermaid-svg-ppMXO1NYb028jGTy .activeCrit2,#mermaid-svg-ppMXO1NYb028jGTy .activeCrit3{stroke:#f88;fill:#bfc7ff;stroke-width:2}#mermaid-svg-ppMXO1NYb028jGTy .doneCrit0,#mermaid-svg-ppMXO1NYb028jGTy .doneCrit1,#mermaid-svg-ppMXO1NYb028jGTy .doneCrit2,#mermaid-svg-ppMXO1NYb028jGTy .doneCrit3{stroke:#f88;fill:#d3d3d3;stroke-width:2;cursor:pointer;shape-rendering:crispEdges}#mermaid-svg-ppMXO1NYb028jGTy .milestone{transform:rotate(45deg) scale(0.8, 0.8)}#mermaid-svg-ppMXO1NYb028jGTy .milestoneText{font-style:italic}#mermaid-svg-ppMXO1NYb028jGTy .doneCritText0,#mermaid-svg-ppMXO1NYb028jGTy .doneCritText1,#mermaid-svg-ppMXO1NYb028jGTy .doneCritText2,#mermaid-svg-ppMXO1NYb028jGTy .doneCritText3{fill:#000 !important}#mermaid-svg-ppMXO1NYb028jGTy .activeCritText0,#mermaid-svg-ppMXO1NYb028jGTy .activeCritText1,#mermaid-svg-ppMXO1NYb028jGTy .activeCritText2,#mermaid-svg-ppMXO1NYb028jGTy .activeCritText3{fill:#000 !important}#mermaid-svg-ppMXO1NYb028jGTy .titleText{text-anchor:middle;font-size:18px;fill:#000;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-ppMXO1NYb028jGTy g.classGroup text{fill:#9370db;stroke:none;font-family:'trebuchet ms', verdana, 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.edge-pattern-dashed{stroke-dasharray:3}#mermaid-svg-ppMXO1NYb028jGTy .edge-pattern-dotted{stroke-dasharray:2}#mermaid-svg-ppMXO1NYb028jGTy .marker{fill:#333}#mermaid-svg-ppMXO1NYb028jGTy .marker.cross{stroke:#333}:root { --mermaid-font-family: "trebuchet ms", verdana, arial;}#mermaid-svg-ppMXO1NYb028jGTy {color: rgba(0, 0, 0, 0.75);font: ;}張三李四王五你好！李四, 最近怎么樣?你最近怎么樣，王五？我很好，謝謝!我很好，謝謝!李四想了很長時(shí)間, 文字太長了不適合放在一行.打量著王五...很好... 王五, 你怎么樣?張三李四王五

這將產(chǎn)生一個(gè)流程圖。:

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.box{stroke:none;stroke-width:0;fill:#ECECFF;opacity:0.7}#mermaid-svg-wm00KnhWN38DAerN .edgeLabel text{fill:#333}#mermaid-svg-wm00KnhWN38DAerN .stateLabel text{fill:#000;font-size:10px;font-weight:bold;font-family:'trebuchet ms', verdana, arial;font-family:var(--mermaid-font-family)}#mermaid-svg-wm00KnhWN38DAerN .node circle.state-start{fill:black;stroke:black}#mermaid-svg-wm00KnhWN38DAerN .node circle.state-end{fill:black;stroke:white;stroke-width:1.5}#mermaid-svg-wm00KnhWN38DAerN #statediagram-barbEnd{fill:#9370db}#mermaid-svg-wm00KnhWN38DAerN .statediagram-cluster rect{fill:#ECECFF;stroke:#9370db;stroke-width:1px}#mermaid-svg-wm00KnhWN38DAerN .statediagram-cluster rect.outer{rx:5px;ry:5px}#mermaid-svg-wm00KnhWN38DAerN .statediagram-state .divider{stroke:#9370db}#mermaid-svg-wm00KnhWN38DAerN .statediagram-state .title-state{rx:5px;ry:5px}#mermaid-svg-wm00KnhWN38DAerN .statediagram-cluster.statediagram-cluster .inner{fill:white}#mermaid-svg-wm00KnhWN38DAerN .statediagram-cluster.statediagram-cluster-alt .inner{fill:#e0e0e0}#mermaid-svg-wm00KnhWN38DAerN .statediagram-cluster .inner{rx:0;ry:0}#mermaid-svg-wm00KnhWN38DAerN .statediagram-state rect.basic{rx:5px;ry:5px}#mermaid-svg-wm00KnhWN38DAerN .statediagram-state rect.divider{stroke-dasharray:10,10;fill:#efefef}#mermaid-svg-wm00KnhWN38DAerN .note-edge{stroke-dasharray:5}#mermaid-svg-wm00KnhWN38DAerN .statediagram-note rect{fill:#fff5ad;stroke:#aa3;stroke-width:1px;rx:0;ry:0}:root{--mermaid-font-family: '"trebuchet ms", verdana, arial';--mermaid-font-family: "Comic Sans MS", "Comic Sans", cursive}#mermaid-svg-wm00KnhWN38DAerN .error-icon{fill:#522}#mermaid-svg-wm00KnhWN38DAerN .error-text{fill:#522;stroke:#522}#mermaid-svg-wm00KnhWN38DAerN .edge-thickness-normal{stroke-width:2px}#mermaid-svg-wm00KnhWN38DAerN .edge-thickness-thick{stroke-width:3.5px}#mermaid-svg-wm00KnhWN38DAerN .edge-pattern-solid{stroke-dasharray:0}#mermaid-svg-wm00KnhWN38DAerN .edge-pattern-dashed{stroke-dasharray:3}#mermaid-svg-wm00KnhWN38DAerN .edge-pattern-dotted{stroke-dasharray:2}#mermaid-svg-wm00KnhWN38DAerN .marker{fill:#333}#mermaid-svg-wm00KnhWN38DAerN .marker.cross{stroke:#333}:root { --mermaid-font-family: "trebuchet ms", verdana, arial;}#mermaid-svg-wm00KnhWN38DAerN {color: rgba(0, 0, 0, 0.75);font: ;}鏈接長方形圓圓角長方形菱形

關(guān)于 Mermaid 語法，參考這兒,

FLowchart流程圖

我們依舊會(huì)支持flowchart的流程圖：

Created with Rapha?l 2.2.0開始我的操作確認(rèn)？結(jié)束yesno

關(guān)于 Flowchart流程圖 語法，參考這兒.

導(dǎo)出與導(dǎo)入

導(dǎo)出

如果你想嘗試使用此編輯器, 你可以在此篇文章任意編輯。當(dāng)你完成了一篇文章的寫作, 在上方工具欄找到 文章導(dǎo)出 ，生成一個(gè).md文件或者.html文件進(jìn)行本地保存。

導(dǎo)入

如果你想加載一篇你寫過的.md文件，在上方工具欄可以選擇導(dǎo)入功能進(jìn)行對(duì)應(yīng)擴(kuò)展名的文件導(dǎo)入，
繼續(xù)你的創(chuàng)作。

注腳的解釋 ??

總結(jié)

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