Article directory 1. HttpRequest module 2. HttpResponse module 3. Realize ideas (1) Function (2) Meaning 4. Code 1. HttpRequest module 2. HttpResponse module 3. Implement ideas (1) Function HttpRequest module Store HTTP request information Receive a piece of data, parse it according to the HTTP request format, and get each key element and put it […]
Tag: httpresponse
Django view-HttpRequest request object and HttpResponse response object
Article directory HttpRequest HttpResponse practice Properties and methods of the request object response def index(request): This request is actually an internally encapsulated Http request HttpRequest, which is a request object Views in Django are mainly used to accept and respond to web requests. The essence of a view is a function in Python View responses […]
[Imitation Tomact of imitation framework] 4. Encapsulate HttpRequest object (attribute mapping http request message), HttpResponse object (attribute mapping http response message)
Article directory 1. Create HttpRequest object 2. Create HttpResponse object 1. Create HttpRequest object The attributes in the HttpRequest object correspond to the content in the HTTP protocol, and are used for subsequent servlets to obtain the parameters in the request from the request. Refer to the http request message: import java.io.BufferedReader; import java.io.IOException; import […]
Django/HttpRequest/HttpResponse–Cookie/Session
1. HttpRequest object Several ways to use the HTTP protocol to pass parameters: Extract a specific part of the URL, such as /weather/beijing/2018, which can be intercepted with regular expressions in the server-side routing; Query string (query string), in the form of key1=value1 & amp;key2=value2; The data sent in the request body, such as form […]
[Solved] Django reports an error: The view student.views.add_student didn’t return an HttpResponse object. It returned None i
Error message: The reason for the error: The view function does not return information Solution: add return to the view function that reports the error, and return HttpResponse, render, and redirect. def add_student(request): … return HttpResponse(“Added successfully!”)
[Solved] org.apache.http.NoHttpResponseException: failed to respond-server response exception
, Exceptions When uploading files multiple times, a failed to respond exception occurs occasionally, but it is normal again after retrying. Error log Cause Analysis Server keep-alive disconnects after timeout spring resttemplate uses apache httpclient4.4 connection pool. The main reason is that the connection between httpclient and the server was disconnected before, but the client […]
[Solved] The solution to the error (The view *** didn’t return an HttpResponse object. It returned None instead.)
Foreword: When debugging a Django project today, I reported an error: The view *** didn’t return an HttpResponse object. It returned None instead. (*** will change according to the project view), as usual, first Translate, it probably means that the view ** did not return the HttpResponse object. It didn’t return anything. , By guessing, […]