调整工程架构，增补了几种算法，初步添加神经网路训练拟合代码

dataloader.py

@@ -1,5 +1,3 @@
-import random
-
 from base_optimizer.optimizer_common import *
 
 
@@ -51,9 +49,9 @@ def load_data(filename: str, default_feeder_limit=1, load_cp_data=True, load_fee
                 # warnings.warn(warning_info, UserWarning)
         part_index = component_data[component_data['part'] == part].index.tolist()[0]
         part_feeder_assign[part].add(slot)
-        component_data.loc[part_index]['points'] += 1
+        component_data.loc[part_index, 'points'] += 1
 
-        if nozzle != 'A' and component_data.loc[part_index]['nz'] != nozzle:
+        if nozzle != 'A' and component_data.loc[part_index, 'nz'] != nozzle:
             warning_info = 'the nozzle type of component ' + part + ' is not consistent with the pcb data'
             warnings.warn(warning_info, UserWarning)