#!/usr/bin/env python
# _*_ coding:utf-8 _*_
 
"""
 
@Time    : 2019-12-27 17:16
@Author  : Peanut_C
@FileName: excel_converter.py
 
"""
 
 
import os
import shutil
import xlwings as xw
 
current_dir = os.getcwd()
src_dir = os.path.join(current_dir, 'src_dir')
dst_dir = os.path.join(current_dir, 'dst_dir')
exist_list = ['YYYY', 'XXXX']  # 要保留行的A列关键字
 
 
def file_copy(source_dir, destination_dir):
    os.chdir(source_dir)
    for file in os.listdir(source_dir):
        shutil.copy(file, destination_dir)
    print('INFO ===> 文件拷贝完成！')
 
 
def excel_modifier(wk_dir):
    os.chdir(wk_dir)
    for file in os.listdir(wk_dir):
        # 检查文件格式是否为xls
        # print(type(os.path.splitext(file)[1]))
        if os.path.splitext(file)[1] != '.xls':
            print(file, '===>文件格式不正确，请检查！')
        else:
            print('开始处理===>', file)
            # 创建app，打开工作表
            app = xw.App(visible=False, add_book=False)
            app.screen_updating = False
            app.display_alerts = False
            load_wb = app.books.open(file)
            load_ws = load_wb.sheets.active
            print('\t已打开工作表……')
 
            # 获取总行数（列数固定不需要获取）
            rows = load_ws.api.UsedRange.Rows.count
            # cols = load_ws.api.UsedRange.Columns.count
 
            # 获取需要处理的A列范围
            a_range = load_ws.range('A1:A'+str(rows-4))  # 得到range对象
 
            # 将range中每行对象存放到列表中并倒序
            print('\t开始获取标志列……')
            cell_list = []
            for cell in a_range:
                cell_list.append(cell)
            cell_list.reverse()
            # print(cell_list)
 
            # 将表头拆分、重新合并，为插入的值腾地方
            print('\t开始调整合并单元格……')
            load_ws.range('H3:J3').api.unmerge()  # 拆分单元格
            load_ws.range('H3:I3').api.merge()  # 合并单元格
            load_ws.range('J3').value = 'xxx'  # 插入值
 
            # 设定将A列每个值与要保留列表比对，比对不上则删除整行
            print('\t开始调整行和列……')
            for cell in cell_list:
                if cell.value is not None:  # 单元格不为空则开始比对
                    find_flag = 0  # 匹配标志
                    for exist_value in exist_list:
                        if cell.value.find(exist_value) != -1:
                            find_flag = 1  # 匹配则将标志置为1
                            break  # 一个单元格只要匹配就不再比对保留列表剩下的值
                        else:
                            continue  # 匹配不上则继续
                    if find_flag == 0:  # 没匹配上的删除整行
                        cell_to_del = cell.address
                        # print(cell_to_del)
                        load_ws.range(cell_to_del).api.EntireRow.Delete()
                else:  # 单元格为空直接删除
                    cell_to_del = cell.address
                    # print(cell_to_del)
                    load_ws.range(cell_to_del).api.EntireRow.Delete()
 
            # 处理列，将指定列从大到小删除（避免先删除小列导致后续列号变动）
            load_ws.api.columns('K').delete
            load_ws.api.columns('G').delete
            load_ws.api.columns('B').delete
            # 美化处理后的Excel
            print('\t开始美化表格……')
            load_ws.range('A1:H24').columns.autofit()
            # 处理完毕，保存、关闭、退出Excel
            load_wb.save()
            load_wb.close()
            app.quit()
            print('处理完毕===>', file, '\n\n')
 
 
if __name__ == '__main__':
    file_copy(src_dir, dst_dir)
    excel_modifier(dst_dir)
    print('任务结束，请至dst_dir目录查看文件！\n\n')
    os.system('pause')