dpivalue=600#dpi
realwidth=89.4#mm
realheight=81.2#mm
width=round(dpivalue*realwidth/25.4)
height=round(dpivalue*realheight/25.4)

inputfilepath=r'F:\BaiduNetdiskWorkspace\00typora\大論文\drawio\算法流程圖.drawio'
outputfilepath=r'F:\BaiduNetdiskWorkspace\00typora\大論文\drawio\test.png'
starttext=r'draw.io -x '
midletext=r" -f png -t --width "+str(width)+r" --height " +str(height)+r" -o "
commandtext1=starttext+inputfilepath+midletext+outputfilepath

path="D:/draw.io/"#安裝文件夾
os.chdir( path )# 修改當前工作目錄
v2=os.system(commandtext1)

'''
Author: zzx
Date: 2022-07-27 10:12:38
LastEditors: zdl
LastEditTime: 2022-07-30 16:10:22
FilePath: \matlabcodef:\BaiduNetdiskWorkspace\00typora\大論文\drawio\output.py
Description: 

Copyright (c) 2022 by zdl, All Rights Reserved. 
'''
import os
dpivalue=600#dpi
realwidth=89.4#mm
realheight=81.2#mm
width=round(dpivalue*realwidth/25.4)
height=round(dpivalue*realheight/25.4)
inputfilepath=r'F:\BaiduNetdiskWorkspace\00typora\大論文\drawio\算法流程圖.drawio'
outputfilepath=r'F:\BaiduNetdiskWorkspace\00typora\大論文\drawio\test.png'
starttext=r'draw.io -x '
midletext=r" -f png -t --width "+str(width)+r" --height " +str(height)+r" -o "
commandtext1=starttext+inputfilepath+midletext+outputfilepath
path="D:/draw.io/"#安裝文件夾
os.chdir( path )# 修改當前工作目錄
v2=os.system(commandtext1)

# 快速運行F5
# print(v2)

#關于python權限的問題
# https://blog.csdn.net/qq_33731081/article/details/103812749
# 如何在python中運行命令行命令
# https://blog.csdn.net/qq_34769162/article/details/119037908
#報錯為空值的問題
# https://blog.csdn.net/xiaoxiaogh/article/details/88320102

#關于drawio導出命令,靈感來源https://j2r2b.github.io/2019/08/06/drawio-cli.html
'''
Options:
  -V, --version                      output the version number
  -c, --create                       creates a new empty file if no file is
                                     passed
  -k, --check                        does not overwrite existing files
  -x, --export                       export the input file/folder based on the
                                     given options
  -r, --recursive                    for a folder input, recursively convert
                                     all files in sub-folders also
  -o, --output <output file/folder>  specify the output file/folder. If
                                     omitted, the input file name is used for
                                     output with the specified format as
                                     extension
  -f, --format <format>              if output file name extension is
                                     specified, this option is ignored (file
                                     type is determined from output extension,
                                     possible export formats are pdf, png, jpg,
                                     svg, vsdx, and xml) (default: "pdf")
  -q, --quality <quality>            output image quality for JPEG (default:
                                     90)
  -t, --transparent                  set transparent background for PNG
  -e, --embed-diagram                includes a copy of the diagram (for PNG,
                                     SVG and PDF formats only)
  --embed-svg-images                 Embed Images in SVG file (for SVG format
                                     only)
  -b, --border <border>              sets the border width around the diagram
                                     (default: 0)
  -s, --scale <scale>                scales the diagram size
  --width <width>                    fits the generated image/pdf into the
                                     specified width, preserves aspect ratio.
  --height <height>                  fits the generated image/pdf into the
                                     specified height, preserves aspect ratio.
  --crop                             crops PDF to diagram size
  -a, --all-pages                    export all pages (for PDF format only)
  -p, --page-index <pageIndex>       selects a specific page, if not specified
                                     and the format is an image, the first page
                                     is selected
  -g, --page-range <from>..<to>      selects a page range (for PDF format only)
  -u, --uncompressed                 Uncompressed XML output (for XML format
                                     only)
  --enable-plugins                   Enable Plugins
  -h, --help                         display help for command
'''