python初学―-实现excel里面读数据进行排序(改进算法)

#coding:GBK

import xlrd
import xlwt
import time

def read_excel(c):
    if c==0:
        print "使用率排名："
        for i in range(1,sheet.nrows):
            lie[sheet.cell(i,c).value.encode('GBK')] = sheet.cell(i,c+1).value*(100/50)
            i = i+1
        newlie = sorted(lie.iteritems(),key = lambda d:d[1],reverse = True)
        for i in range(0,len(newlie)):
            print newlie[i][0]+":"+str(newlie[i][1])+"分，" ,
            i = i+1
        print "\n"
        return

    print sheet.cell(0,c).value.encode('GBK')+"："
    for i in range(1,sheet.nrows):
        lie[sheet.cell(i,0).value.encode('GBK')] = sheet.cell(i,c).value
        i = i+1
    newlie = sorted(lie.iteritems(),key = lambda d:d[1],reverse = True)
    for i in range(0,len(newlie)):
        print newlie[i][0]+":"+"%.1f" %(newlie[i][1])+"分，" ,
        i = i+1
    print "\n"
start = time.time()
if __name__ == '__main__':
    URL = r'D:\python case\0.excel分数排序-2015.12.18\fenshu.xlsx'
    workbook = xlrd.open_workbook(URL,'rb')
    sheet_name = workbook.sheet_names()[1]
    sheet = workbook.sheet_by_index(1)
    sheet = workbook.sheet_by_name('Sheet1')
    lie = {}
    print '-'*20
    for c in range(0,5):
        read_excel(c)
    c = time.time() - start
    print('程序运行耗时:%0.2f'%(c))