Python flask框架post接口调用方法

from flask import Flask,render_template,request
app = Flask(__name__)
@app.route("/login",methods = ['POST','GET'])
def login():
  if request.method == "POST":
    username = request.form.get('username')
    password = request.form.get('password')
    print username
    print password
    return u'POST'+'+'+username+'+'+password
  if request.method == "GET":
    print 'call get now'
    username = request.args.get('username')
    password = request.args.get('password')
    print username
    print password
    return username
if __name__ == '__main__':
 app.run(host='0.0.0.0',port=6000,debug=True)

use JSON;
 my $ua = LWP::UserAgent->new;
 $ua->agent("Mozilla/5.0 (Windows NT 6.1; rv:30.0) Gecko/20100101 Firefox/30.0");
 my $cookie_jar = HTTP::Cookies->new(
   file=>'lwp_cookies.txt',
   autosave=>1,
   ignore_discard=>1);
   $ua->cookie_jar($cookie_jar);
  my $token_url= ' http://192.168.137.1:6000/login';
  my $res = $ua->post($token_url,
        {
        'username'=>'99999@zjtlcb.com',
        'password'=>'1234567'
        });
  print $res->content();
  print "
";

from flask import Flask,render_template,request
app = Flask(__name__)
@app.route("/login",methods = ['POST','GET'])
def login():
  if request.method == "POST":
    username = request.form.get('username')
    password = request.form.get('password')
    print 'call post now'
    print username
    print password
    return u'POST'+'+'+username+'+'+password
  if request.method == "GET":
    print 'call get now'
    username = request.args.get('username')
    password = request.args.get('password')
    print username
    print password
    return username
if __name__ == '__main__':
 app.run(host='0.0.0.0',port=6000,debug=True)