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大家應(yīng)該都在學(xué)生時(shí)代使用過12306購買過學(xué)生票，不知道有沒有注意到12306的全國高校數(shù)據(jù)；
經(jīng)過分析是一個(gè)json 文件 ,URL和數(shù)據(jù)詳情如下。
https://kyfw.12306.cn/otn/userCommon/schoolNames

12306高校數(shù)據(jù)

那么作為一個(gè)愛折騰的GISer，我們能做點(diǎn)什么呢？
下面我們就通過高德的地址解析API來分析出各個(gè)高校的地址，進(jìn)而做一張全國高校的分布圖。

本次采用Python來調(diào)用API解析，下面給出Python代碼

#-*- coding:utf-8 -*-
import requests
import json
from requests import exceptions


def geocode(address):
    parameters = {'address': address, 's': 'rsv3', 'key': '這里填寫你的高德地圖token'}
    base = 'http://restapi.amap.com/v3/geocode/geo'
    response = requests.get(base, parameters)
    answer = response.json()
    if any(answer['geocodes']):
        if any(answer['geocodes'][0]['city']):
            if any(answer['geocodes'][0]['district']):
                return answer['geocodes'][0]['location'] + "," + answer['geocodes'][0]['province'] + "," + answer['geocodes'][0]['city'] + "," + answer['geocodes'][0]['district']
            else:
                return answer['geocodes'][0]['location'] + "," + answer['geocodes'][0]['province'] + "," + ","
        else:
            return answer['geocodes'][0]['location'] + "," + answer['geocodes'][0]['province'] + "," + ","
    else:
        return ","

url = "https://kyfw.12306.cn/otn/userCommon/schoolNames"
response = requests.get(url)
json_str = response.content.decode()
ret1 = json.loads(json_str)
for data in ret1["data"]:
    lonlat = geocode(data["chineseName"])
    # print(lonlat)
    school = data["chineseName"]+","+lonlat+","+data["simplePin"]+","+data["stationTelecode"]+"\r\n"
    print(school)
    with open("12306withlonlat.csv", "a+", encoding="utf-8") as f:
      f.write(school)

解析完成之后，我們會(huì)得到這樣的包含有地址和經(jīng)緯度的csv文件，獲取到的csv文件中還是有一部分不能獲取到位置信息的，一般都是一些研究所和某些涉密的部門，需要我們對數(shù)據(jù)進(jìn)一步的篩選和處理。