ajax提交表单向后台发送数据

Ajax提交表单

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <link href="/static/common.css" rel="stylesheet">

    <style>

        .hide {

            display: none;

        }

     .shadow {

         position:fixed;

         left:0;

         top: 0;

         bottom: 0;

         right: 0;

         background-color: black;

         opacity: 0.6;

         z-index: 1;

    }

        .add-app {

            position: fixed;

            height: 400px;

            width: 400px;

            margin-left:100px ;

            border: 1px solid indianred;

            top: 100px;

            left: 25%;

            background-color: white;

            z-index: 2;

        }

    </style>

</head>

<body>

<h1>应用列表:</h1>

<P><input type="button" value="添加" id="i1"/></P>

<table border="">

    <thead>

     <tr>

         <td>应用名称</td>

         <td>应用主机列表</td>

     </tr>

    </thead>

    <tbody>

        {% for row in app_list%}

            <tr>

                <td>{{ row.name }}</td>

                <td>

                    {% for host in row.r.all %}

                    <span class="host_tag">{{ host.hostname }}</span>

                    {% endfor %}

                </td>

            </tr>

        {%endfor%}

    </tbody>

</table>

<div class="shadow hide"></div>

<form id="add_form">

<div class="add-app hide">

    <input type="text" placeholder="应用名称" name="app_name"/>

    <div class="group">

    <select id="host_list" name="host_list" multiple>

        {% for row in host_list %}

        <option value="{{row.nid}}">{{row.hostname}}</option>

        {% endfor %}

    </select>

        </div>

    <input type="submit" value="提交">

    <input id="ajax_submit" type="button" value="ajax提交">

    <input id='i2' type="button" value="取消">

    <span id="error_msg" style="display: inline-block;color: red"></span>

</div>

</form>

<script src="/static/jquery-3.2.1.min.js"></script>

<script>

    $(function () {

        $('#i1').click(function () {

            $('.shadow,.add-app').removeClass('hide');

        })

         $('#i2').click(function () {

            $('.shadow,.add-app').addClass('hide');

        })

        $("#ajax_submit").click(function () {

            $.ajax({

                url:'/xiaoqing/ajax_submit/',    #//提交url

                data:$("#add_form").serialize(), # //input,select数据打包发向后台

                type:'POST',     # //提交请求类型

                dataType:'Json',   #//发送数据类型

                traditional:true,   #//如果是多选的话，必须加上此选项

                success:function (obj) {      #//发送成功后回调函数

                    console.log(obj);

                    location.reload(); #刷新

                    location。href('http://')  #跳转

                },

                error:function () {

                }

            })

        })

    })

</script>

</body>

</html>

ajax.html

def app(request):

    if request.method=="GET":

        app_list=models.Application.objects.all()

        host_list=models.Host.objects.all()

        for row in app_list:

            print(row.name,'-|-',row.r.all())

        return render(request,'app.html',{'app_list':app_list,'host_list':host_list,})

    elif request.method == "POST":

        appname = request.POST.get('app_name')

        hostlist = request.POST.getlist('host_list')

        print(appname,hostlist)

        obj = models.Application.objects.create(name=appname)

        obj.r.add(*hostlist)

        return redirect('/xiaoqing/app')

views函数