需要提前安装cairosvg模块，下载地址http://cairosvg.org/download/

Code:

#! encoding:UTF-8
import cairosvg
import os
 
loop = True
while loop:
    svgDir = raw_input(\"请输入SVG文件目录\")
    if os.path.exists(svgDir) and os.path.isdir(svgDir):
        loop = False
    else:
        print \"错误：您输入的SVG文件目录不存在或者不是一个有效的目录，请重新输入\"
 
loop = True
while loop:
    exportDir = raw_input(\"请输入导出目录\")
    if os.path.exists(exportDir):
        loop = False
    else:
        print \"错误：您输入的导出目录[\" , exportDir  , \"] 不存在，是否要创建这个目录？\"
        loops = True     
        while loops:
            msg = \"\"
            cmd = raw_input(\"创建 (Y) 重新 (R)\")
            if cmd.upper() == \"R\":
                loops = False
            elif cmd.upper() == \"Y\":
                os.makedirs(exportDir, True)
                if os.path.exists(exportDir):
                    loop = False
                    loops = False
                else:
                    print \"创建目录失败[\",exportDir,\"]， 请重新输入\"
            else:
                print \"找不到您输入的命令，请重新输入\"
             
 
cate = (\"png\", \"pdf\")
print \"导出类型：\"
for i in cate:
    print i
     
loop = True
while loop:
    exportFormat = raw_input(\"请输入导出类型\")
    if exportFormat.lower() in cate:
        loop = False
    else:
        print \"您输入的类型不存在，请重新输入\"
 
def export(fromDir, targetDir, exportType):
    print \"开始执行转换命令...\"
    files = os.listdir(fromDir)
    num = 0
    for fileName in files:
        path = os.path.join(fromDir,fileName)
        if os.path.isfile(path) and fileName[-3:] == \"svg\":
            num += 1
            fileHandle = open(path)
            svg = fileHandle.read()
            fileHandle.close()
            exportPath = os.path.join(targetDir, fileName[:-3] + exportType)
            exportFileHandle = open(exportPath,\'w\')
             
            if exportType == \"png\":
                cairosvg.svg2png(bytestring=svg, write_to=exportPath)
            elif exportType == \"pdf\":
                cairosvg.svg2pdf(bytestring=svg, write_to=exportPath)
                 
            exportFileHandle.close()
            print \"Success Export \", exportType, \" -> \" , exportPath
     
    print \"已导出 \", num, \"个文件\"
export(svgDir, exportDir, exportFormat)

使用：

复制代码 代码如下:
请输入SVG文件目录d:\\svg
请输入导出目录d:\\images
错误：您输入的导出目录[ d:\\images ] 不存在，是否要创建这个目录？
创建 (Y) 重新 (R)Y
导出类型：
png
pdf
请输入导出类型png
开始执行转换命令…
Success Export  png  ->  d:\\images\\a.png
Success Export  png  ->  d:\\images\\db2.png
Success Export  png  ->  d:\\images\\db3.png
已导出  3 个文件

复制代码 代码如下:
D:\\>tree svg /F
Folder PATH listing
Volume serial number is 4603-09B2
D:\\SVG
    a.svg
    db2.svg
    db3.svg
 
No subfolders exist
 
 
D:\\>tree images /F
Folder PATH listing
Volume serial number is 4603-09B2
D:\\IMAGES
    a.png
    db2.png
    db3.png
 
No subfolders exist