<script>

  $(".eq").on("click",function () {

        $.ajax({

            url:"/eq/",

            type:"POST",

            data:{

                csrfmiddlewaretoken:{{ csrf_token }}, //必须写在模板中，才会被渲染

                a:$(".a").val(),

                b:$(".b").val()

            },

            success:function (data) {

              $(".c").html(data);

            }

        })

    })

</script>

//模板页面中必须要有 {% csrf_token %}

<script>

    $(".eq").on("click",function () {

        $.ajax({

            url:"/eq/",

            type:"POST",

            data:{

                csrfmiddlewaretoken:$("input:first").val(),

                a:$(".a").val(),

                b:$(".b").val()

            },

            success:function (data) {

              $(".c").html(data);

            }

        })

    })

</script>

<script src="/static/jquery.cookie.js"></script> //必须先引入它

<script>

    $("#btn").on("click",function () {

     $.ajax({

        url:"/lianxi/",

        type:"POST",

        headers:{"X-CSRFToken":$.cookie('csrftoken')},

        data:$("#f1").serialize()

    }

    )

    })

</script>

<h3>Ajax上传文件</h3>

<p><input type="text" name="username" id="username" placeholder="username"></p>

<p><input type="file" name="upload_file_ajax" id="upload_file_ajax"></p>

<button id="upload_button">提交</button>

{#注意button标签不要用在form表单中使用#}

<script>

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

        var username=$("#username").val();

        var upload_file=$("#upload_file_ajax")[0].files[0];

        var formData=new FormData();

        formData.append("username",username);

        formData.append("upload_file_ajax",upload_file);

        $.ajax({

            url:"/upload_file/",

            type:"POST",

            data:formData,

            contentType:false,

            processData:false,

            success:function(){

                alert("上传成功!")

            }

        });

    })

</script>

def index(request):

    return render(request,"index.html")

def upload_file(request):

    print("FILES:",request.FILES)

    print("POST:",request.POST)

    return HttpResponse("上传成功!")