python学习

web/controllers/upload/Upload.py

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+# -*- coding: utf-8 -*-
+from flask import Blueprint,request,jsonify
+from application import  app
+import re,json
+from common.libs.UploadService import UploadService
+from common.libs.UrlManager import UrlManager
+from common.models.Image import Image
+route_upload = Blueprint('upload_page', __name__)
+
+'''
+参考文章：https://segmentfault.com/a/1190000002429055
+'''
+
+@route_upload.route("/ueditor",methods = [ "GET","POST" ])
+def ueditor():
+
+	req = request.values
+	action = req['action'] if 'action' in req else ''
+
+	if action == "config":
+		root_path = app.root_path
+		config_path = "{0}/web/static/plugins/ueditor/upload_config.json".format( root_path )
+		with open( config_path,encoding="utf-8" ) as fp:
+			try:
+				config_data =  json.loads( re.sub( r'\/\*.*\*/' ,'',fp.read() ) )
+			except:
+				config_data = {}
+		return  jsonify( config_data )
+
+	if action == "uploadimage":
+		return uploadImage()
+
+	if action == "listimage":
+		return listImage()
+
+	return "upload"
+
+@route_upload.route("/pic",methods = [ "GET","POST" ])
+def uploadPic():
+	file_target = request.files
+	upfile = file_target['pic'] if 'pic' in file_target else None
+	callback_target = 'window.parent.upload'
+	if upfile is None:
+		return "<script type='text/javascript'>{0}.error('{1}')</script>".format( callback_target,"上传失败" )
+
+	ret = UploadService.uploadByFile(upfile)
+	if ret['code'] != 200:
+		return "<script type='text/javascript'>{0}.error('{1}')</script>".format(callback_target, "上传失败：" + ret['msg'])
+
+	return "<script type='text/javascript'>{0}.success('{1}')</script>".format(callback_target,ret['data']['file_key'] )
+
+def uploadImage():
+	resp = { 'state':'SUCCESS','url':'','title':'','original':'' }
+	file_target = request.files
+	upfile = file_target['upfile'] if 'upfile' in file_target else None
+	if upfile is None:
+		resp['state'] = "上传失败"
+		return jsonify(resp)
+
+	ret = UploadService.uploadByFile( upfile )
+	if ret['code'] != 200:
+		resp['state'] = "上传失败：" + ret['msg']
+		return jsonify(resp)
+
+	resp['url'] = UrlManager.buildImageUrl( ret['data']['file_key'] )
+	return jsonify( resp )
+
+def listImage():
+	resp = { 'state':'SUCCESS','list':[],'start':0 ,'total':0 }
+
+	req = request.values
+
+	start = int( req['start']) if 'start' in req else 0
+	page_size = int( req['size']) if 'size' in req else 20
+
+	query = Image.query
+	if start > 0:
+		query = query.filter( Image.id < start )
+
+	list = query.order_by( Image.id.desc() ).limit( page_size ).all()
+	images = []
+
+	if list:
+		for item in list:
+			images.append( { 'url': UrlManager.buildImageUrl( item.file_key ) } )
+			start = item.id
+	resp['list'] = images
+	resp['start'] = start
+	resp['total'] = len( images )
+	return jsonify( resp )
+