1.4 博客系统| 基于Ajax提交数据

//基于Ajax提交数据 ???$(".reg_btn").click(function () { ???????console.log($("#form").serializeArray()); ???????var formdata = new FormData(); ??//对下面注释的内容进行优化版 ???????var request_data = $("#form").serializeArray(); ???????$.each(request_data, function (index, data) { ???????????formdata.append(data.name,data.value) ???????}); ???????formdata.append("avatar", $("#avatar")[0].files[0]);{# ???????var formdata = new FormData(); ??//Ajax上传文件一定要换成FormData的格式，构建一个对象传到这里边#}{# ???????formdata.append("user",$("#id_user").val()); //传过去的键和值#}{# ???????formdata.append("pwd",$("#id_pwd").val());#}{# ???????formdata.append("re_pwd",$("#id_re_pwd").val());#}{# ???????formdata.append("email", $("#id_email").val());#}{# ???????formdata.append("avatar", $("#avatar")[0].files[0]);#}{# ???????formdata.append("csrfmiddlewaretoken", $("[name = ‘csrfmiddlewaretoken‘]").val());#} ???????$.ajax({ ???????????url:"", ???????????type:"post", ???????????contentType:false, ?//要加两个参数不然会报错；数据的编码类型 ???????????processData:false, //只要是formdata都要加这两个参数 ???????????data: formdata, ???????????success: function (data) { ???????????????console.log(data); ???????????????if(data.user){ ???????????????????//注册成功 ???????????????} ???????????????else{//注册失败 ???????????????????//console.log(data.msg) ???????????????????$("span.error").html(""); //清空错误信息 ???????????????????$(".form-group").removeClass("has-error"); ???????????????????//展示此次提交的错误信息 ???????????????????$.each(data.msg, function(field, error_list){ ???????????????????????console.log(field, error_list); ???????????????????????$("#id_"+field).next().html(error_list[0]); ?//每次循环都把各自的信息放到input那下面了 ???????????????????????$("#id_"+field).parent().addClass("has-error"); ???????????????????}) ???????????????} ???????????} ???????}) ???})

def register(request): ???if request.is_ajax(): ?#你点击那个按钮即使Ajax请求又是post请求。既可以用Ajax也可用method=post作分支判断 ???????print(request.POST) #把所有提交的数据都取出来 ???????form = UserForm(request.POST) ?#用UserForm做检验， ???????response = {"user":None, "msg":None} #发Ajax一般都会返回一个字典来进行标示这些行为 ???????if form.is_valid(): ?#数据全通过,成功 ???????????response["user"] = form.cleaned_data.get("user") #注册人的名字 ???????else: ???????????print(form.cleaned_data) ?#干净数据 ???????????print(form.errors) ???????#错误数据 ???????????response["msg"] = form.errors ?#失败了之后把这所有的错误信息放到msg里边 ???????return JsonResponse(response) ???form = UserForm() ???return render(request,"register.html", {"form":form})