# python flask 教學 ## 簡單class ```py= class 車子: def __init__(self,這台車有多少輪子): self.輪子數量=這台車有多少輪子 def 開門(self): print("開門~") ``` ## 最簡單的flask ```py= from flask import Flask app = Flask(__name__) @app.route('/') def hello_world(): return '你好，世界！' if __name__ == '__main__': app.run(host='0.0.0.0', debug=True) ``` ## render_template範例 [點我下載範例網頁](https://drive.google.com/file/d/1J019dIFEvvp9HOH66YYNMcmJLzOJYu8-/view?usp=sharing) ``` myapp/ ├── main.py # 主程式 └── /templates ├── 1.html # 網頁 ``` ```py= from flask import Flask, render_template app = Flask(__name__) @app.route('/') def welcome(): return render_template('1.html') if __name__ == '__main__': app.run(host='0.0.0.0', debug=True) ``` ## jinja2 範例 範例網頁 ```html= <!DOCTYPE html> <html> <head> <title> 測試網頁</title> </head> <body> <h1 style="font-size: 700%; text-align: center;"> {{ name }}</h1> </body> </html> ``` python 程式 ```py= from flask import Flask,render_template app = Flask(__name__) @app.route('/') def show_directory_name(): return render_template("2.html",name="賴威廷") if __name__ == '__main__': app.run(debug=True) ``` ## 完整版[點我下載](https://drive.google.com/file/d/1yzbmKB7QPvdvte0HhZDXTaxbWFARtesg/view?usp=sharing)