Initial commit

application.py

+from flask import Flask
+from weather.service import weather
+
+app = Flask(__name__)
+
+
+class PrefixMiddleware(object):
+    def __init__(self, app, prefix=''):
+        self.app = app
+        self.prefix = prefix
+
+    def __call__(self, environ, start_response):
+        print(environ['PATH_INFO'])
+        if environ['PATH_INFO'].startswith(self.prefix):
+            environ['PATH_INFO'] = environ['PATH_INFO'][len(self.prefix):]
+            environ['SCRIPT_NAME'] = self.prefix
+            return self.app(environ, start_response)
+        else:
+            start_response('404', [('Content-Type', 'text/plain')])
+            return ["This url does not belong to the app.".encode()]
+
+app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix='/api')
+
+app.register_blueprint(weather)
+
+if __name__ == '__main__':
+    app.run(debug=True)
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common.py

+class BaseRes:
+
+    def __init__(self, data=None, status=200, message='OK'):
+        self.status = status
+        self.message = message
+        self.data = data
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weather/service.py

+from flask import Blueprint, render_template, redirect
+from flask import request
+import requests
+import json
+from common import BaseRes
+
+weather = Blueprint('weather', __name__, url_prefix='/weather')
+
+weather_url = 'https://www.sojson.com/open/api/weather/json.shtml?city='
+
+
+@weather.route('/')
+def hello_world():
+    city = request.args.get('city')
+    if (city == ''):
+        return json.dumps(BaseRes(status=404, message='城市不能为空！'), default=lambda obj: obj.__dict__)
+    response = requests.get(weather_url + city)
+    response = json.loads(response.text)
+    if ('status' in response and response['status']== 200):
+
+        data = response['data']
+
+        return json.dumps(BaseRes(data['forecast']), default=lambda obj: obj.__dict__)
+    return '无该城市数据，请检查参数是否正确！'
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