python学习

common/libs/Helper.py

@@ -65,3 +65,63 @@ def ops_render( template,context = {} ):
 def getCurrentDate( format = "%Y-%m-%d %H:%M:%S"):
     #return datetime.datetime.now().strftime( format )
     return datetime.datetime.now()
+
+'''
+获取格式化的时间
+'''
+def getFormatDate( date = None ,format = "%Y-%m-%d %H:%M:%S" ):
+    if date is None:
+        date = datetime.datetime.now()
+
+    return date.strftime( format )
+
+
+'''
+根据某个字段获取一个dic出来
+'''
+def getDictFilterField( db_model,select_filed,key_field,id_list ):
+    ret = {}
+    query = db_model.query
+    if id_list and len( id_list ) > 0:
+        query = query.filter( select_filed.in_( id_list ) )
+
+    list = query.all()
+    if not list:
+        return ret
+    for item in list:
+        if not hasattr( item,key_field ):
+            break
+
+        ret[ getattr( item,key_field ) ] = item
+    return ret
+
+
+
+def selectFilterObj( obj,field ):
+    ret = []
+    for item in obj:
+        if not hasattr(item, field ):
+            break
+        if getattr( item,field )  in ret:
+            continue
+        ret.append( getattr( item,field ) )
+    return ret
+
+
+def getDictFilterField( db_model,select_filed,key_field,id_list ):
+    ret = {}
+    query = db_model.query
+    if id_list and len( id_list ) > 0:
+        query = query.filter( select_filed.in_( id_list ) )
+
+    list = query.all()
+    if not list:
+        return ret
+    for item in list:
+        if not hasattr( item,key_field ):
+            break
+        if getattr( item,key_field ) not in ret:
+            ret[getattr(item, key_field)] = []
+
+        ret[ getattr( item,key_field ) ].append(item )
+    return ret