写了一小段代码,用 Flask 获取 POST 的 JSON data。
import json
from flask import Flask, request, redirect, jsonify
app = Flask(__name__)
@app.route('/test/', methods=['GET','POST'])
def test():
print(request.method)
if request.method == "POST":
data = request.get_data()
json_data = json.loads(data)
return json.dumps(json_data)
else:
return request.method
if __name__ == '__main__':
app.run(debug=True)
但是一来就给我报错
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
因为 Postman 里面得这么设置:
用 curl 也行
curl -H "Content-Type: application/json" -X POST -d '{'username':"abc",'password':"abc"}' http://localhost:5000