文章目录
跨域配置
- 方法一: 设置CORS策略
from flask import Flask, render_template
from flask_cors import CORS
app = Flask(__name__)
# 配置跨域: supports_credentials=True, 必须配置,否则不生效
# resources = r'/*': 让本服务器所有的URL都允许跨域请求,
# resources = {r"/api": {"origins": "*"}}: 让本服务器/api开头的URL允许跨域请求
CORS(app, resources=r'/*', supports_credentials=True)
@app.route('/', methods=['get'])
def index():
return render_template('index.html')
if __name__ == "__main__":
app.run()
方法二:对请求的Response header中加入header
from flask import Flask, render_template
app = Flask(__name__)
@app.after_request
def af_request(resp):
"""
#请求钩子,在所有的请求发生后执行,加入headers。
:param resp:
:return:
"""
resp = make_response(resp)
resp.headers['Access-Control-Allow-Origin'] = '*'
resp.headers['Access-Control-Allow-Methods'] = 'GET,POST'
resp.headers['Access-Control-Allow-Headers'] = 'x-requested-with,content-type'
return resp