首先需要一个Python3环境,怎么准备我就不多说了,实在不会的出门右转看一下廖雪峰老师的博客.
HTML部分
代码来自:高德API+Python解决租房问题,简单改了下加载数据部分
代码路径:/static/index.html
<html><head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>毕业生租房</title>
<link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css" />
<link rel="stylesheet" href="http://cache.amap.com/lbs/static/jquery.range.css" />
<script src="http://cache.amap.com/lbs/static/jquery-1.9.1.js"></script>
<script src="http://cache.amap.com/lbs/static/es5.min.js"></script>
<script src="http://webapi.amap.com/maps?v=1.3&key=22d3816e107f199992666d6412fa0691&plugin=AMap.ArrivalRange,AMap.Scale,AMap.Geocoder,AMap.Transfer,AMap.Autocomplete"></script>
<script src="http://cache.amap.com/lbs/static/jquery.range.js"></script>
<style>
.control-panel { position: absolute; top: 30px; right: 20px;
}
.control-entry { width: 280px; background-color: rgba(119, 136, 153, 0.8); font-family: fantasy, sans-serif; text-align: left; color: white; overflow: auto; padding: 10px; margin-bottom: 10px;
}
.control-input { margin-left: 120px;
}
.control-input input[type="text"] { width: 160px;
}
.control-panel label { float: left; width: 120px;
}
#transfer-panel { position: absolute; background-color: white; max-height: 80%; overflow-y: auto; top: 30px; left: 20px; width: 250px;
} </style></head><body>
<div id="container"></div>
<div class="control-panel">
<div class="control-entry">
<label>选择工作地点：</label>
<div class="control-input">
<input id="work-location" type="text">
</div>
</div>
<div class="control-entry">
<label>选择通勤方式：</label>
<div class="control-input">
<input type="radio" name="vehicle" value="SUBWAY,BUS" onClick="takeBus(this)" checked/> 公交+地铁 <input type="radio" name="vehicle" value="SUBWAY" onClick="takeSubway(this)" /> 地铁 </div>
</div>
</div>
<div id="transfer-panel"></div>
<script>
var map = new AMap.Map("container", { resizeEnable: true, zoomEnable: true, center: [116.397428, 39.90923], zoom: 11
}); var scale = new AMap.Scale();
map.addControl(scale); var arrivalRange = new AMap.ArrivalRange(); var x, y, t, vehicle = "SUBWAY,BUS"; var workAddress, workMarker; var rentMarkerArray = []; var polygonArray = []; var amapTransfer; var infoWindow = new AMap.InfoWindow({ offset: new AMap.Pixel(0, -30)
}); var auto = new AMap.Autocomplete({ input: "work-location"
});
AMap.event.addListener(auto, "select", workLocationSelected); function takeBus(radio) {
vehicle = radio.value;
loadWorkLocation()
} function takeSubway(radio) {
vehicle = radio.value;
loadWorkLocation()
} function workLocationSelected(e) {
workAddress = e.poi.name;
loadWorkLocation();
} function loadWorkMarker(x, y, locationName) {
workMarker = new AMap.Marker({ map: map, title: locationName, icon: 'http://webapi.amap.com/theme/v1.3/markers/n/mark_r.png', position: [x, y]
});
} function loadWorkRange(x, y, t, color, v) {
arrivalRange.search([x, y], t, function(status, result) { if (result.bounds) { for (var i = 0; i < result.bounds.length; i++) { var polygon = new AMap.Polygon({ map: map, fillColor: color, fillOpacity: "0.4", strokeColor: color, strokeOpacity: "0.8", strokeWeight: 1
});
polygon.setPath(result.bounds[i]);
polygonArray.push(polygon);
}
}
}, { policy: v
});
} function addMarkerByAddress(address, url) { var geocoder = new AMap.Geocoder({ city: "北京", radius: 1000
});
geocoder.getLocation(address, function(status, result) { if (status === "complete" && result.info === 'OK') { var geocode = result.geocodes[0];
rentMarker = new AMap.Marker({ map: map, title: address, icon: 'http://webapi.amap.com/theme/v1.3/markers/n/mark_b.png', position: [geocode.location.getLng(), geocode.location.getLat()]
});
rentMarkerArray.push(rentMarker);
rentMarker.content = "<div>房源：<a target = '_blank' href='" + url + "'>" + address + "</a><div>"
rentMarker.on('click', function(e) {
infoWindow.setContent(e.target.content);
infoWindow.open(map, e.target.getPosition()); if (amapTransfer) amapTransfer.clear();
amapTransfer = new AMap.Transfer({ map: map, policy: AMap.TransferPolicy.LEAST_TIME, city: "北京市", panel: 'transfer-panel'
});
amapTransfer.search([{ keyword: workAddress
}, { keyword: address
}], function(status, result) {})
});
}
})
} function delWorkLocation() { if (polygonArray) map.remove(polygonArray); if (workMarker) map.remove(workMarker);
polygonArray = [];
} function delRentLocation() { if (rentMarkerArray) map.remove(rentMarkerArray);
rentMarkerArray = [];
} function loadWorkLocation() {
delWorkLocation(); var geocoder = new AMap.Geocoder({ city: "北京", radius: 1000
});
geocoder.getLocation(workAddress, function(status, result) { if (status === "complete" && result.info === 'OK') { var geocode = result.geocodes[0];
x = geocode.location.getLng();
y = geocode.location.getLat();
loadWorkMarker(x, y);
loadWorkRange(x, y, 60, "#3f67a5", vehicle);
map.setZoomAndCenter(12, [x, y]);
}
})
}
$(function() {
$.get("/get_houses", function(data) {
data.forEach(function(element, index) {
addMarkerByAddress(element.address, element.url);
});
});
}) </script></body></html>Python flask部分
Python3环境,使用安装Flask,pymysql,BeautifulSoup
pip install Flask;pip install pymysql;pip install beautifulsoup4;pip install requests;
然后直接上代码咯.
路径:/app.py
from flask import Flask, requestfrom flask import jsonifyfrom flask import render_templatefrom flask import Responseimport requestsfrom bs4 import BeautifulSoupimport pymysql
app = Flask(__name__)@app.route("/get_houses_db/")def get_houses_db():
# 从数据库读出来的数据,url为房源url,address为房源定位地址
houses = [] # Connect to the database
connection = pymysql.connect(host='127.0.0.1',
user='root',
password='123',
db='你的数据库名字',
charset='utf8mb4',
cursorclass=pymysql.cursors.DictCursor) try: with connection.cursor() as cursor: # Read a single record
sql = "SELECT 你的URL字段,你的地址字段 FROM 你的房源数据表 where 1=1;"
keyword = request.args.get('keyword') if keyword is not None:
sql = sql + "查询字段 like %%s%" % keyword
cursor.execute(sql)
houses = cursor.fetchall() finally:
connection.close() return jsonify(houses)@app.route("/get_houses", methods=['POST', 'GET'])def get_houses():
# 直接从网页获取数据,url为房源url,address为房源定位地址
houses = []
city = request.args.get('city') if city is None:
city = 'bj'
city_url = 'http://%s.58.com' % city for page_num in range(1, 10):
url = "%s/pinpaigongyu/pn/%d/" % (city_url, page_num)
headers = { 'connection': "keep-alive", 'upgrade-insecure-requests': "1", 'user-agent': "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36", 'accept': "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8", 'accept-encoding': "gzip, deflate", 'accept-language': "zh-CN,zh;q=0.9,en;q=0.8,da;q=0.7", 'cookie': "f=n; f=n; id58=c5/njVsEqPqC7y9vB/RHAg==; 58tj_uuid=ac94c044-cbb8-451c-b6be-974f90197010; new_uv=1; utm_source=; spm=; init_refer=https%253A%252F%252Fcn.bing.com%252F; als=0; f=n; new_session=0; qz_gdt=; Hm_lvt_dcee4f66df28844222ef0479976aabf1=1527032264,1527032267,1527032270,1527032380; Hm_lpvt_dcee4f66df28844222ef0479976aabf1=1527032421; ppStore_fingerprint=3283C76981CCD1090B42ACBBF624A4C9613FE967CDC69C58%EF%BC%BF1527032420843", 'cache-control': "no-cache",
}
response = requests.request("GET", url, headers=headers)
htmlSoup = BeautifulSoup(response.text, "html.parser")
ul = htmlSoup.find(attrs={"class": "list"}) if ul is None: continue
li_list = ul.find_all("li") if li_list is None: continue
for li in li_list:
house = {}
house['url'] = '%s/%s' % (city_url, li.find("a")['href'])
house['address'] = li.find("h2").text
houses.append(house) return jsonify(houses)@app.route('/')def index():
return app.send_static_file('index.html')if __name__ == '__main__':
app.run(port=8888)# python3 安装flask之后,安装命令pip install Flask# 运行 python app.py效果图:
然后...
写完了...
下次见...
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