淺析Django 接收所有檔案,前端展示檔案(包括視訊,檔案,圖片)ajax請求
阿新 • • 發佈:2020-03-09
如果是後臺上傳檔案:
setting配置:
STATIC_URL = '/static/' STATICFILES_DIRS = [ os.path.join(BASE_DIR,'static'),os.path.join(BASE_DIR,"media"),] # Django使用者上傳的都叫media檔案 MEDIA_URL = "/media/" # media配置,使用者上傳的檔案都預設放在這個資料夾下 MEDIA_ROOT = os.path.join(BASE_DIR,"media") model的配置: img = models.FileField(upload_to="img/",verbose_name="圖片")
接收任何檔案的前端程式碼:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <form method="post" action="/upload/" enctype="multipart/form-data" target="ifm1"> <input type="file" name="file" id="file"/> <input type="button" value="提交" onclick="upload()"/> </form> <br> <br> <br> <br> <div>顯示圖片 <img id="images"> </div> <br> <br> <br> <br> <div>顯示路徑 <a href="" id=" rel="external nofollow" imagess">連結</a> </div> </div> <br> <br> <br> <br> <div> {# href="/static/img/TC程式碼.txt" rel="external nofollow" #} <a id="up"> 下載檔案</a> </div> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script> <script> function upload() { var formData = new FormData(); var file = document.getElementById('file').files[0]; formData.append("file",file); $.ajax({ url: "upload/",type: "post",data: formData,dataType: "json",cache: false,//上傳檔案無需快取 processData: false,//用於對data引數進行序列化處理 這裡必須false contentType: false,//必須*/ success: function (data) { console.log("22",data); $("#images").attr("src",data.image) $("#imagess").attr("href",data.image) } }); } $("#up").on("click",function () { $.ajax({ url: "http://127.0.0.1:8000/down/",type: "get",data: {},success: function (data) { var $a = $('<a></a>'); $a.attr("href","http://127.0.0.1:8000/down/"); $("body").append($a); $a[0].click(); $a.remove(); } }) }); </script> </body> </html>
增加任何檔案的後端介面程式碼:
from rest_framework.views import APIView from django.shortcuts import render,redirect,HttpResponse from dal import models from django.http import JsonResponse class ImageShow(APIView): def post(self,request): name = str(request.data.get("name")) message = {} img_url = "/static/img/{}".format(name) obj = models.Car.objects.filter(img_url=img_url).first() if obj : message['code'] = 200 message['message'] = img_url # 返還路徑 return JsonResponse(message)
下載檔案後端:
from django.utils.http import urlquote from rest_framework.views import APIView from django.shortcuts import render,HttpResponse from dal import models from django.http import JsonResponse,FileResponse,StreamingHttpResponse class fileShow(APIView): def get(self,request): message = {} file = open('media/img/TC程式碼.txt','rb') # 字串替換成檔案 print("file",file.name) # file_names = file.name.split('/')[-1] # print("file_names",file_names) response = FileResponse(file) response['Content-Type'] = 'application/octet-stream' response['Content-Disposition'] = "attachment;filename={}".format(urlquote("TC程式碼.txt")) # 字串替換成下載檔案 print(response) return response
總結
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