如何将变量从href传递给烧瓶 [英] how to pass a variable from href to flask
本文介绍了如何将变量从href传递给烧瓶的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
@ app.route('/ ques /< string:idd>' ,方法= ['GET','POST'])
defs(idd):
print idd
Javascript代码:
var counts = {{test | tojson}};
var text =;
var texts =;
for(i = 1; i texts = counts [i-1];
document.write(< a href = \{{url_for('ques',idd = texts)}} \>+ counts [i] +< / a>< ; / BR>< / BR>中);
$ b $ p $如何将idd传递给python函数?
解决方案
Jinja在服务器上呈现 ,因此您无法将其与javascript进行混搭。试试这样:
var counts = {{test | tojson}},
//在HTML文件之前到达浏览器这一行将是:
// baseURL =/ ques / REPLACE
aseURL ={{url_for('ques',idd ='REPLACE')}}; (i = 1; i var url = baseURL.replace('REPLACE',counts [i-1])$ b
$ b ;
document.write(< a href = \+ url +\>+
counts [i] +< / a>< / br>< ; / BR>中);
}
否则,您需要直接在Javascript中构建URL。
更好的方法是使用请求参数:
@ app.route('/ ques /')
def ques():
#url是:/ ques /?idd = ABC
idd = request.args .get('idd',default ='',type = str)
print idd
Javascript:
var counts = {{test | tojson}},
aseURL ={{url_for('ques')}}; (i = 1; i var url = baseURL +'?idd ='+ counts [i-1];
;
document.write(< a href = \+ url +\>+
counts [i] +< / a>< / br>< ; / BR>中);
}
this is my flask python code:
@app.route('/ques/<string:idd>',methods=['GET', 'POST'])
def ques(idd):
print idd
Javascript code:
var counts = {{ test|tojson }};
var text = "";
var texts= "";
for (i = 1; i < counts.length; i=i+2){
texts=counts[i-1];
document.write("<a href=\"{{url_for('ques',idd=texts)}}\">"+counts[i]+"</a></br></br>");
}
how to pass idd to python function?
解决方案
Jinja gets rendered on the server so you can't mix and match it with javascript. Try something like this:
var counts = {{ test|tojson }},
// before the HTML file gets to the browser this line will be:
// baseURL = "/ques/REPLACE"
baseURL = "{{ url_for('ques', idd='REPLACE') }}";
for (i = 1; i < counts.length; i = i+2) {
var url = baseURL.replace('REPLACE', counts[i-1]);
document.write("<a href=\"" + url + "\">" +
counts[i] + "</a></br></br>");
}
Otherwise you'll need to build the URL directly in Javascript.
A better way of doing it would be to use request arguments:
@app.route('/ques/')
def ques():
# url is: /ques/?idd=ABC
idd = request.args.get('idd', default='', type=str)
print idd
Javascript:
var counts = {{ test|tojson }},
baseURL = "{{ url_for('ques') }}";
for (i = 1; i < counts.length; i = i+2) {
var url = baseURL + '?idd=' + counts[i-1];
document.write("<a href=\"" + url + "\">" +
counts[i] + "</a></br></br>");
}
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