1.execj python中的应用

    
 
import execjs
def get_js():  
       
    f = open(r"sign.js", 'r', encoding='UTF-8')  ##打开JS文件
    line = f.readline()
    htmlstr = ''
    while line:
        htmlstr = htmlstr + line
        line = f.readline()
    ctx = execjs.compile(htmlstr)
    return ctx.call('get_as_cp_signature')