windows python flask返回json数据
实战
data/pvuv.txt
日期 PV UV
2020/7/18 15000 150
2020/7/19 15001 151
2020/7/20 15002 152
2020/7/21 15003 153
2020/7/22 15004 154
2020/7/23 15005 155
2020/7/24 15006 156
2020/7/25 15007 157
2020/7/26 15008 158
2020/7/27 15009 159
2020/7/28 15010 160
2020/7/29 15011 161
2020/7/30 15012 162
2020/7/31 15013 163
2020/8/1 15014 164
2020/8/2 15015 165
2020/8/3 15016 166
2020/8/4 15017 167
2020/8/5 15018 168
2020/8/6 15019 169
2020/8/7 15020 170
app.py
from flask import Flask, render_template, request
import json
app = Flask(__name__)
def read_pvuv_data():
""" read pv uv data
return: list , ele:(pdate, pv, uv)"""
data = []
with open("./data/pvuv.txt") as fin:
is_first_line =True
for line in fin:
if is_first_line:
is_first_line = False
continue
line = line[:-1] #\n
pdate, pv, uv = line.split("\t")
data.append((pdate, pv, uv))
return data
@app.route("/getjson")
def getjson():
# read json
data = read_pvuv_data()
# return html
return json.dumps(data)
if __name__ == '__main__':
app.run(host='192.168.1.4',debug=True)
执行，界面访问
test_get_json.py
利用api接口处理json文件
import requests
import json
url = "http://192.168.1.4:5000/getjson"
r = requests.get(url)
print(r.status_code)
for row in json.loads(r.text):
print(row)
执行python test_get_json.py
200
['2020/7/18', '15000', '150']
['2020/7/19', '15001', '151']
['2020/7/20', '15002', '152']
['2020/7/21', '15003', '153']
['2020/7/22', '15004', '154']
['2020/7/23', '15005', '155']
['2020/7/24', '15006', '156']
['2020/7/25', '15007', '157']
['2020/7/26', '15008', '158']
['2020/7/27', '15009', '159']
['2020/7/28', '15010', '160']
['2020/7/29', '15011', '161']
['2020/7/30', '15012', '162']
['2020/7/31', '15013', '163']
['2020/8/1', '15014', '164']
['2020/8/2', '15015', '165']
['2020/8/3', '15016', '166']
['2020/8/4', '15017', '167']
['2020/8/5', '15018', '168']
['2020/8/6', '15019', '169']
['2020/8/7', '15020', '170']
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