python---web框架本质(2)

目录
controllers    //存放控制方法
models //存放模型方法
views //存放视图模板
index.html
new.html
show.html index.py //用户访问入口
bin.py //程序人口
controller.py //控制器(暂时放在根目录)
urls.py //类似中间件
index.py
import bin

if __name__ == "__main__":
bin.run();
bin.py
from wsgiref.simple_server import  make_server
from urls import URLS def RunServer(environ, start_respone):
start_respone('200 OK',[('Content-Type','text/html')]);
url = environ['PATH_INFO'] #用户访问路径 if url in URLS.keys():
func_name = URLS[url]
ret = func_name()
else:
ret = "<h1 style='color:red;'>404</h1>" return ret def run():
httpd=make_server('',8080,RunServer)
httpd.serve_forever()
urls.py
import os
import time
#直接返回html字符
def new():
file_path = os.path.join("views", "new.html")
fp = open(file_path, 'r')
content = fp.read()
fp.close()
return content def index():
file_path = os.path.join("views", "index.html")
fp = open(file_path, 'r')
content = fp.read()
fp.close()
content = content.replace("{{item}}",str(time.time()))
return content #改进,读取文件
def showFile():
file_path=os.path.join("views","04模态对话框.html")
fp = open(file_path,'r')
content = fp.read()
fp.close() return content
controller.py
import controller

#类似中间件
URLS ={
"/new":controller.new,
"/index":controller.index,
"/show":controller.showFile,
}
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