sanya-dbms/processing/app.py

# -*- coding: utf-8 -*-
from flask import Flask, request, jsonify, send_from_directory, Response, make_response
import uuid
import requests
from PIL import Image
from io import BytesIO
import siwei_config

app = Flask(__name__)

# 设置静态文件夹（如果您想指定路径）
app.config['UPLOAD_FOLDER'] = 'predict/output'
host = siwei_config.CONFIG['host']

uploadPath = 'predict/upload/'
outputPath = 'predict/output/'


# GET 请求接口示例
@app.route('/api/get_data', methods=['GET'])
def get_data():
    # 获取请求参数
    param = request.args.get('param')
    # 返回 JSON 响应
    data = jsonify({
        "message": "GET 请求成功",
        "param": param
    })
    response = make_response(data)
    # response.headers['Content-Type'] = 'text/plain; charset=utf-8'
    return response


# GET 请求接口示例
@app.route('/api/postgisupdate', methods=['POST'])
def postgisupdate():
    # 获取请求参数
    param = request.args.get('param')
    # 返回 JSON 响应
    return jsonify({
        "message": "POST 请求成功",
        "param": param
    })


# POST 上传图片
@app.route('/api/upload_image', methods=['POST'])
def upload_image():
    # 获取上传的文件
    img1 = request.files['img1']
    img2 = request.files['img2']
    # 保存文件
    filePath1 = uploadPath + str(uuid.uuid4()) + img1.filename
    filePath2 = uploadPath + str(uuid.uuid4()) + img2.filename

    img1.save(filePath1)
    img2.save(filePath2)
    return jsonify({
        "message": "上传成功",
        "data": {
            "img1": filePath1,
            "img2": filePath2
        }
    })


# POST 通过url保存图片到本地
@app.route('/api/save_image', methods=['POST'])
def save_image():
    # 获取图片路径
    data = request.get_json()
    img1 = data['img1']
    img2 = data['img2']

    response1 = requests.get(host + img1)
    if response1.status_code != 200:
        return jsonify({
            "message": "图片1不存在",
            "data": {
                "img1": img1
            }
        })
    img1 = Image.open(BytesIO(response1.content))
    img1Path = uploadPath + str(uuid.uuid4()) + '.png'
    img1.save(img1Path, format='PNG')

    response2 = requests.get(host + img2)
    if response2.status_code != 200:
        return jsonify({
            "message": "图片2不存在",
            "data": {
                "img2": img2
            }
        })
    img2 = Image.open(BytesIO(response2.content))
    img2Path = uploadPath + str(uuid.uuid4()) + '.png'
    img2.save(img2Path, format='PNG')

    return jsonify({
        "message": "保存成功",
        "data": {
            "img1": img1Path,
            "img2": img2Path,
        }
    })


# 访问静态文件
@app.route('/predict/<filename>')
def view_file(filename):
    return send_from_directory(app.config['UPLOAD_FOLDER'], filename)

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=6500)