python学习

hello.py

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+from flask import Flask,url_for
+from imooc import route_imooc
+from flask_sqlalchemy import SQLAlchemy
+app = Flask(__name__)  # 创建1个Flask实例
+app.register_blueprint(route_imooc,url_prefix = "/imooc")
+
+
+app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://root:123456@127.0.0.1/food_db'
+db = SQLAlchemy(app)
+@app.route("/")
+def Hello_world():
+
+    url = url_for("index")
+    # url_1=UrlManager.buildUrl("/api")
+    return "Hello World,"+url
+
+@app.route("/api")
+def index():
+    return 'Index page'
+
+@app.route("/api/hello")
+def hello():
+    from sqlalchemy import text
+    sql = text("SELECT * FROM `user`")
+    result = db.engine.execute(sql)
+    for row in result:
+        app.logger.info(row)
+    return 'hello word page'
+if __name__ == '__main__':
+    app.run(host='0.0.0.0',debug=True)