python学习

common/libs/UploadService.py

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+# -*- coding: utf-8 -*-
+from werkzeug.utils import secure_filename
+from application import app,db
+from common.libs.Helper import getCurrentDate
+import datetime
+import  os,stat,uuid
+from common.models.Image import Image
+class UploadService():
+	@staticmethod
+	def uploadByFile( file ):
+		config_upload = app.config['UPLOAD']
+		resp = { 'code':200,'msg':'操作成功~~','data':{} }
+		filename = secure_filename( file.filename )
+		ext = filename.rsplit(".",1)[1]
+		if ext not in config_upload['ext']:
+			resp['code'] = -1
+			resp['msg'] = "不允许的扩展类型文件"
+			return resp
+
+
+		root_path = app.root_path + config_upload['prefix_path']
+		#不使用getCurrentDate创建目录，为了保证其他写的可以用，这里改掉，服务器上好像对时间不兼容
+		file_dir = datetime.datetime.now().strftime("%Y%m%d")
+		save_dir = root_path + file_dir
+		if not os.path.exists( save_dir ):
+			os.mkdir( save_dir )
+			os.chmod( save_dir,stat.S_IRWXU | stat.S_IRGRP |  stat.S_IRWXO )
+
+		file_name = str( uuid.uuid4() ).replace("-","") + "." + ext
+		file.save( "{0}/{1}".format( save_dir,file_name ) )
+
+		model_image = Image()
+		model_image.file_key = file_dir + "/" + file_name
+		model_image.created_time = getCurrentDate()
+		db.session.add( model_image)
+		db.session.commit()
+
+		resp['data'] = {
+			'file_key': model_image.file_key
+		}
+		return resp