flask模版语法

模版的语法:

1、在模版中获取view中传递的变量值: {{ 变量名key }}

render_template('模版名字',key=value,key=value)

可以传递的类型有很多常见的如下几种:

  字符串:name = 'geyanan'

  整型: age = 19

  list:friends = ["zhouqiang","mike","nike"]

  dict: dict1 = {"name":"zhouqiang","age":30,"sex":"man"}

  自定义构建的类型:Girl("yanan","beijing")

模版:

  {{ list.0 }} 同 {{ list[0] }}

  {{ dict.key }} 同 {{ dict.get(key) }}

  {{ girl.name }} 同 {{ 对象.属性 }}

案例:app.py

from flask import Flask
from flask import make_response, request, render_template,redirect,url_for
import setting,json

app = Flask(__name__)
app.config.from_object(setting)

class Girl:
    def __init__(self,name,addr):
        self.name = name
        self.addr = addr
        self.gender = ''
    def __str__(self):
        return self.name

@app.route('/show')
def show():
    name = 'geyanan'
    age = 19
    friends = ["zhouqiang","mike","nike"]
    dict1 = {"name":"zhouqiang","age":30,"sex":"man"}
    girlfriend = Girl("yanan","beijing")
    return render_template('test.html',name = name,age = age,friends = friends,dict1 = dict1,girl = girlfriend) # 如果没有找到匹配的,会以空白字符串填充

# 如果没有找到匹配的,会以空白字符串填充
if __name__ == '__main__':
    app.run(host='127.0.0.1', port=5000)

页面断获取数据方法:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>用户信息展示</div>
<p>
    用户名信息:{{ name }} -- {{ age }} -- {{ sex }}
    <br>
    {{ friends.0 }}
    {{ friends[0] }}
    <br>
    {{ dict1.get(name) }}
    {{ dict1.name }}
    <br>
    {{ girl.name }}
    {{ girl.addr }}
    {{ girl.gender }}

</p>


</body>
</html>
原文地址:https://www.cnblogs.com/fat-girl-spring/p/15243786.html