Cross-Domain problem solution for Ajax request WebService, ajaxwebservice
1. Background
Use Ajax in Jquery to call the WebService Interface in the asp.net Development Environment
2. Problems
Cause analysis: the impact of browser same-origin policy (that is, JavaScript or Cookie can only access content in the same domain );
3. solution:
(1) JSONP: only the GET method is supported.
(2) CROS: Cross-origin Resource Sharing
The following is a CROS solution:
A. Add the response header information to the WebService interface:
B. Add the configuration section information in the web. config file:
After using solution a or solution B, the browser header information changes as follows:
The final problem can be better solved, but the browser support for this solution is different, as shown in the figure below:
The above is a solution to the cross-domain problem of Ajax request WebService introduced by xiaobian. I hope it will be helpful to you. If you have any questions, please leave a message and I will reply to you in a timely manner. Thank you very much for your support for the help House website!