post_image_delete.py

class post_image_delete:
    @session.login_required
    def POST(self, arg):
        data = web.input()
        path = data.path # 类似 '/static/upload/post_img/2012/11/9'
        part_name = data.part_name # 类似 '201211981222_7a214d288112fe8ef99944aa7ce4d228'
        homedir = os.getcwd()
        imgPath = homedir + path
         #上面组装的结果类似这样 ： "/home/www/rhinocero" + "/static/upload/post_img/2012/11/9"
        
        
        if os.path.isfile(imgPath + '/.DS_Store'):  #为防止mac系统下的.DS_Store捣乱，先删除它
            os.remove(imgPath + '/.DS_Store')

        files = os.listdir(imgPath) #得到imgPath下的所有文件

        for file in files:
            p = file.split('.')[0] # 结果类似: 201211981222_7a214d288112fe8ef99944aa7ce4d228_1200
            p2 = p.split('_',2)[0] # 结果类似: 201211981222
            p3 = p.split('_',2)[1] # 结果类似: 7a214d288112fe8ef99944aa7ce4d228
            if p2+'_'+p3 == part_name:
                file = imgPath + "/" + file
                os.remove(file)
                success = "s"
                return success