如何将python变量传递给html变量？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/15137520/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
How to pass python variable to html variable?
提问by Linux
I need to read a url link from text file in python as a variable, and use it in html. The text file "file.txt" contains only one line "http://188.xxx.xxx.xx:8878", this line should be saved in the variable "link", then I should use the contain of this variable in the html, so that the link should be opened when I click on the button image "go_online.png". I tried to change my code as following but it doesn't work! any help please?
我需要从python中的文本文件中读取一个url链接作为变量，并在html中使用它。文本文件“file.txt”只包含一行“ http://188.xxx.xxx.xx:8878”，这一行应该保存在变量“link”中，然后我应该使用这个变量的contain html，以便在我单击按钮图像“go_online.png”时打开链接。我试图更改我的代码如下，但它不起作用！有什么帮助吗？
#!/usr/bin/python
import cherrypy
import os.path
from auth import AuthController, require, member_of, name_is
class Server(object):
_cp_config = {
'tools.sessions.on': True,
'tools.auth.on': True
}
auth = AuthController()
@cherrypy.expose
@require()
def index(self):
f = open ("file.txt","r")
link = f.read()
print link
f.close()
html = """
<html>
<script language="javascript" type="text/javascript">
var var_link = '{{ link }}';
</script>
<body>
<p>{htmlText}
<p>
<a href={{ var_link }} ><img src="images/go_online.png"></a>
</body>
</html>
"""
myText = ''
myText = "Hellow World"
return html.format(htmlText=myText)
index.exposed = True
#configuration
conf = {
'global' : {
'server.socket_host': '0.0.0.0', #0.0.0.0 or specific IP
'server.socket_port': 8085 #server port
},
'/images': { #images served as static files
'tools.staticdir.on': True,
'tools.staticdir.dir': os.path.abspath('/home/ubuntu/webserver/images')
}
}
cherrypy.quickstart(Server(), config=conf)
采纳答案by Hoff
first off, not sure that the javascript part makes any sense, just leave it out. Also, your opening a ptag but not closing it. Not sure what your templating engine is, but you could just pass in the variables in pure python. Also, make sure to put quotes around your link. So your code should be something like:
首先，不确定 javascript 部分是否有意义，请忽略它。此外，您打开p标签但不关闭它。不确定你的模板引擎是什么，但你可以在纯 python 中传递变量。另外，请确保在您的链接周围加上引号。所以你的代码应该是这样的：
class Server(object):
_cp_config = {
'tools.sessions.on': True,
'tools.auth.on': True
}
auth = AuthController()
@cherrypy.expose
@require()
def index(self):
f = open ("file.txt","r")
link = f.read()
f.close()
myText = "Hello World"
html = """
<html>
<body>
<p>%s</p>
<a href="%s" ><img src="images/go_online.png"></a>
</body>
</html>
""" %(myText, link)
return html
index.exposed = True
(btw, the %s things are string placeholders, that will be poplulated the variables in %(firstString, secondString) at the end of the the multi line string.
（顺便说一句，%s 的东西是字符串占位符，它将在多行字符串的末尾填充 %(firstString, secondString) 中的变量。
