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| '''get image size app''' | |
| # coding=utf-8 | |
| import os | |
| from flask import Flask, request, redirect, flash | |
| from PIL import Image | |
| from werkzeug.utils import secure_filename | |
| UPLOAD_FOLDER = '/tmp' | |
| ALLOWED_EXTENSIONS = set(['png']) | |
| app = Flask(__name__) | |
| app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER | |
| def get_img_size(filepath=""): | |
| '''获取图片长宽''' | |
| if filepath: | |
| img = Image.open(filepath) | |
| img.load() | |
| return img.size | |
| return (0, 0) | |
| def allowed_file(filename): | |
| '''判断文件后缀是否合法''' | |
| return '.' in filename and \ | |
| filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS | |
| @app.route('/', methods=['GET', 'POST']) | |
| def upload_file(): | |
| '''文件上传app''' | |
| if request.method == 'POST': | |
| if 'file' not in request.files: | |
| flash('No file part') | |
| return redirect(request.url) | |
| image_file = request.files['file'] | |
| if image_file.filename == '': | |
| flash('No selected file') | |
| return redirect(request.url) | |
| if image_file and allowed_file(image_file.filename): | |
| filename = secure_filename(image_file.filename) | |
| img_path = os.path.join(app.config['UPLOAD_FOLDER'], filename) | |
| image_file.save(img_path) | |
| height, width = get_img_size(img_path) | |
| return '<html><body>the image\'s height : {}, width : {}; </body></html>'\ | |
| .format(height, width) | |
| return ''' | |
| <!doctype html> | |
| <title>Upload new File</title> | |
| <h1>Upload new File</h1> | |
| <form method=post enctype=multipart/form-data> | |
| <p><input type=file name=file> | |
| <input type=submit value=Upload> | |
| </form> | |
| ''' | |
| if __name__ == '__main__': | |
| app.run(threaded=True, port=8000, host="0.0.0.0") |