from flask import Flask
from flask import request
from flask import redirect
from flask.ext.script import Manager
from flask import render_template

app = Flask(__name__)
app.config["secret_key"] = "hard to guess" # 加密的秘钥
# 通过app.config配置到项目的app的配置文件中，字典类型

@app.route("/user/<id>")
def user_name(id):
  if id == "1":
    li = ["zhang","wang","li","zhao"]
    return render_template("user.html",comments=li)
  else:
    return "不符合"

if __name__ == "__main__":
  app.run(debug=True)

from flask.ext.wtf import Form # Form类的来源
from wtforms import StringField, SubmitField
from wtforms.validators import Required
class NameForm(Form): # 每个web表单类都继承Form类
　　 # StringField（）普通的字符串输入文本框，validators=[],指定了一个验证函数组成的列表，Required()验证字段不能为空。
  name = StringField('What is your name?', validators=[Required()]) 　　 # SubmitField()点击提交按钮
  submit = SubmitField('Submit')