flask response Content-Type

flask中通过response对象的headers属性来控制header信息。

1.控制mimetype

from flask import Flask,make_response
app = Flask(__name__)@app.route('/')
def register():rsp = make_response("test")rsp.headers['Content-Type']= 'text/xxx'return rspif __name__ == "__main__":app.run(host="0.0.0.0",port=5000,debug=True)

2.控制charset

from flask import Flask,make_response
app = Flask(__name__)@app.route('/')
def register():rsp = make_response("test")rsp.headers['Content-Type']= 'text/xxx; charset=utf-8'return rspif __name__ == "__main__":app.run(host="0.0.0.0",port=5000,debug=True)

3.通过Response的mimetype属性快捷控制Content-Type。
需要注意的是mimetype属性不能控制charset,一般charset会使用默认值

from flask import Flask,make_responseapp = Flask(__name__)@app.route('/')
def register():rsp = make_response("xxx")rsp.mimetype="text/xxx" # 等价于rsp.headers['Content-Type']= 'text/xxx; charset=utf-8'return rspif __name__ == "__main__":app.run(host="0.0.0.0",port=5000,debug=True)

参考：
https://flask.palletsprojects.com/en/1.1.x/api/#response-objects
https://flask.palletsprojects.com/en/1.1.x/api/#flask.Flask.make_response
https://werkzeug.palletsprojects.com/en/1.0.x/datastructures/#werkzeug.datastructures.Headers

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