use C++11 iteration
use C++11 iteration

Change-Id: I94528ad25eb7fae3a9e7fb7aa6bc721f40d8c187

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core