import os
class DealData:
    # 數(shù)據(jù)加載函數(shù)
    def load(self, filename):
        data = []
        file = open(filename, 'r')
        for line in file.readlines():
            line = line.strip('\n')         # 除去換行
            line = line.split(' ')          # 文件以“ ”分隔
            if "" in line:                  # 解決每行結(jié)尾有空格的問題
                line.remove("")
            data.append(line)
        file.close()
        return data
 
    # 折半查找                               # array是一個(gè)二維數(shù)組，函數(shù)實(shí)現(xiàn)的功能是按照array的第lie列折半查找
    def search(self, array, lie, target):
        low = 0
        high = len(array) - 1
        while array[low][lie] <= array[high][lie]:
            mid = int((low + high) / 2)
            midval = array[mid][lie]
            if midval < target:
                low = mid + 1
            elif midval > target:
                high = mid - 1
            if high < 0 or low >= len(array):
                break
        return high
    # 將數(shù)據(jù)保存到文件                
    def save(self, data, filename):
        file = open(filename, 'w')
        for i in range(0, len(data), 1):
            for k in range(0, len(data[i]), 1):
                file.write(str(data[i][k]))
                file.write(" ")
            file.write("\n")
        file.close()

from DealData import DealData 
deal = DealData()
totaldata = deal.load("E:\low_data.txt")