1. 微信小程序POST傳遞數據給flask服務器

• 小程序端

// 提交POST數據 import { request } from "../../request/index.js"async handleDetectionPoints() {let params = {url: "/detect_points",data: {"points": arr,"img_name": this.canvasConfig.imgName},header: {},method: "POST"}let res = await request(params)console.log(res)}

• 上面用到的request函數

// request/index.jslet ajaxTimes = 0export const baseURL = "http://192.168.0.106:5000";export const request = params => {let header = { ...params.header}ajaxTimes++;wx.showLoading({title: '加載中',mask: true})// 定義公共的URLparams.url = baseURL + params.urlreturn new Promise((resolve, reject) => {wx.request({...params,header,success: result => {resolve(result)},fail: err => {reject(err)},complete: () => {ajaxTimes--if (ajaxTimes == 0) {wx.hideLoading()}}})}) }

• flask端接收POST請求數據

from falsk import Flask, requestapp = Flask(__name__) @app.route("/detect_points", methods=["POST"]) def detect_points():print(request.json.get("points"))print(request.json.get("img_name"))return {"msg": "ok"}if __name__ == "__main__":app.run(host="192.168.0.106", port=5000)

2. python發送post數據給flask服務器

• 拿上面的flask做為代理轉發POST請求(JSON格式發送)

import json @app.route("/detect_points", methods=["POST"]) def detect_points():payload = json.dumps({"points": request.json.get("points"),"img_name": request.json.get("img_name")})r = request.post("http://192.168.0.106:8888/detect_points")print(r.text)return{"msg": "ok"}

• 接收JSON格式POST數據的服務端

from flask import Flask, request import jsonapp = Flask(__name__)@app.route("/detect_points", methods=["POST"]) def hello_world():print("來自5000")data = request.get_data()print(data)data = json.loads(data.decode("utf-8"))print(data["img_name"])print(data["points"])return "Hello Marron1"if __name__ == "__main__":app.run(host="192.168.0.106", port=8888)

總結

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