Django报错MultiValueDictKeyError,前端用户登入模块导入问题，,报错信息：view文件，

Django报错MultiValueDictKeyError,前端用户登入模块导入问题，,报错信息：view文件，

报错信息：

view文件，下面login方法：

def login(request):                                                              print request.GET                                                        #    return render_to_response("login.html")                                     user = request.GET["user"]                                                   passwd = request.GET["passwd"]                                               if user == 'python'and passwd == '123':                                           return render_to_response("login.html")                                  else:                                                                            return render_to_response("login.html",{'err':"Login failure!!!"})   

login.html文件：

<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">  <div class="container">    <div class="navbar-header">      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">        <span class="sr-only">Toggle navigation</span>        <span class="icon-bar"></span>        <span class="icon-bar"></span>        <span class="icon-bar"></span>      </button>      <a class="navbar-brand" href="#">Project name</a>    </div>    <div id="navbar" class="navbar-collapse collapse">      <form class="navbar-form navbar-right" method="get" action="/login/"        <div class="form-group">          <input type="text" class="span3" name="user" placeholder="用户名">        </div>        <div class="form-group">          <input type="text" class="span3" name="passwd" placeholder="密码">        </div>        <button type="submit" class="btn btn-success">Sign in</button>            {% if err %}                {{ err }}            {% endif %}      </form>    </div><!--/.navbar-collapse -->  </div></nav>

user = request.GET["user"]

<input type="text" class="span3" name="username" placeholder="用户名">

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