-Main function:Batch can generate code autonomously
-All codes and relevant files are in Folder 'Test'
-Steps: (1)Put all csv files and 'run1.bat','run2.bat' in the same folder, like foler 'Test'
(2)Change the pathname in the 'run1.bat' to the path of the folder
(3)Run 'run1.bat' and then 'run2.bat' to get AutoCode.txt.For example, 'Sample_AutoCode' is a self-generated
sql script based on 5 csv files.
-The 'DataTypeMapping_Test.csv' records the datatype of different column names, which is typed in manually