Home Web Front-end JS Tutorial How to solve the cross-domain problem of ajax

How to solve the cross-domain problem of ajax

Feb 27, 2018 am 09:29 AM
ajax solve question

This time I will bring you how to solve the cross-domain problem of ajax and three ideas for solving the cross-domain problem of ajax. The following is a practical case, let’s take a look.

There are three main solutions to the ajax cross-domain problem:

1. Browser restrictions
Solution: Don’t let the browser make restrictions
Solution Method: By specifying parameters, the browser does not perform cross-domain verification
Evaluation: It is of little value and requires everyone to make changes, and the changes are client changes

2.XHR request
Solution: Don’t use )
Solution idea: (1) The callee modifies the code to support cross-domain (2) The caller hides cross-domain Solution idea: (1) The callee By modifying the returned information and adding some fields, the caller is allowed to call. At this time, as long as the browser cross-domain verification is passed, cross-domain is allowed
(2) Use the proxy and transfer through the specified url

I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!

Related reading:


How to convert decimal number to hexadecimal

How to implement custom mouse right in JS Click the menu


How to support the height of the floating parent element


Solution to the gap between the image and view labels

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