# 以下内容为原创，转载请注明出处

1 import xlrd #读xlsx

2 import xlsxwriter #写xlsx

3 import urllib.request #url请求，Python3自带，Python2与3中urllib的区别见：http://blog.csdn.net/Jurbo/article/details/52313636

4 import os #创建output文件夹

5 import glob #获取文件夹下文件名称

6 import time #记录时间

7 import json #读取json格式文件

8

9 #本函数完成文件合并。单独保存是为了1.方便不同的用途；2.减少内存；3.在应用到其他网站时，可以断点续爬，降低中断风险

10 defxlsx_merge(folder,header,filename):11 fileList =[]12 for fileName in glob.glob(folder + "*.xlsx"):13 fileList.append(fileName)14 fileNum =len(fileList)15 matrix = [None] *fileNum16 for i inrange(fileNum):17 fileName =fileList[i]18 workBook =xlrd.open_workbook(fileName)19 try:20 sheet =workBook.sheet_by_index(0)21 exceptException as e:22 print(e)23 nRows =sheet.nrows24 matrix[i] = [0]*(nRows - 1)25 nCols =sheet.ncols26 for m in range(nRows - 1):27 matrix[i][m] = ["0"]*nCols28 for j in range(1,nRows):29 for k inrange(nCols):30 matrix[i][j-1][k] =sheet.cell(j,k).value31 fileName = xlsxwriter.Workbook(folder + filename + ".xlsx")32 sheet = fileName.add_worksheet("merged")33 for i inrange(len(header)):34 sheet.write(0,i,header[i])35 rowIndex = 1

36 for fileIndex inrange(fileNum):37 for j inrange(len(matrix[fileIndex])):38 for colIndex inrange (len(matrix[fileIndex][j])):39 sheet.write(rowIndex,colIndex,matrix[fileIndex][j][colIndex])40 rowIndex += 1

41 print("已完成%d个文件的合并"%fileNum)42 fileName.close()43

44 #本函数完成获取POI

45 def poi_by_adcode_poicode(folder,city_file = "city",poi_file = "poi",result_file = "result",merge_or_not = 1):46 '''要求：文件为XLSX格式表格。47 列表均在表格的第一页，且第一列为名称，第二列为编码。48 因为是创建目录，folder要求不为根目录。49 要求输入表在目录的input文件夹中，本函数将结果输出到目录下的output文件夹下50 '''

51 city_file =city_file52 poi_file =poi_file53 result_file =result_file54 merge_or_not =merge_or_not55 header_full = ["id","name","type","typecode","biz_type","address","location","tel","pname","cityname","adname","rating","cost"]

56 header = ["id","name","type","typecode","biz_type","address","location","tel","pname","cityname","adname"]57 offset = 25 #实例设置每页展示10条POI(官方限定25条)

58 output_folder = folder + "output/"

59 #创建输出路径

60 ifos.path.isdir(output_folder):61 pass

62 else:63 os.makedirs(output_folder)64 #读取列表

65 city_sheet = xlrd.open_workbook(folder+ "input/" + city_file + ".xlsx").sheet_by_index(0)66 poi_type_sheet = xlrd.open_workbook(folder+ "input/" + poi_file + ".xlsx").sheet_by_index(0)67 city_list =city_sheet.col_values(0)68 city_code_list = city_sheet.col_values(1)69 poi_type_list = poi_type_sheet.col_values(1)70 #指示工作完成量

71 total_work = (city_sheet.nrows - 1) *(poi_type_sheet.nrows - 1)72 work_index = 1

73 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：抓取开始！")74 for city_index in range(1,len(city_list)):75 for poi_type_index in range(1,len(poi_type_list)):76 workbook =xlsxwriter.Workbook(output_folder + str(city_list[city_index]) + str(poi_type_list[poi_type_index]) + ".xlsx") #新建工作簿

77 sheet = workbook.add_worksheet("result") #新建“poiResult”的工作表

78 for col_index inrange(len(header_full)):79 sheet.write(0,col_index,header_full[col_index]) #写表头

80 row_index = 1

81 for page_index in range(1, 101):82 try:83 url = "http://restapi.amap.com/v3/place/text?&keywords=&types=" + str(poi_type_list[poi_type_index]) + "&city=" + city_code_list[city_index] + "&citylimit=true&offset=" + str(offset) + "&page="+ str(page_index) + "&key=你的key&extensions=all"

84 #请求的结构化url地址如上，见：http://lbs.amap.com/api/webservice/guide/api/search/

85 data = json.load(urllib.request.urlopen(url))["pois"]86 for i inrange(offset):87 for col_index inrange(len(header)):88 sheet.write(row_index, col_index, str(data[i][header[col_index]]))89 sheet.write(row_index,len(header),str(data[i]["biz_ext"]["rating"]))90 sheet.write(row_index,len(header) + 1,str(data[i]["biz_ext"]["cost"]))91 row_index += 1

92 exceptException:94 break

95 workbook.close()96 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：" + city_list[city_index] + " " + poi_type_list[poi_type_index] + "已获取!进度：%.2f%%" %(work_index / total_work *100))97 work_index += 1

98 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：所有地区各类别POI获取完毕")99 if merge_or_not == 1:100 xlsx_merge(output_folder, header_full, result_file)101 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：已对文件进行合并！")102 else:103 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：未进行合并！")104 print(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())) + "：所有工作完成！")105

106 #使用

107 poi_by_adcode_poicode("E:/test/","city", "poi", "result", 1)