Questions about cross domain asp.net-CodePudding

I create websites, so write interface is done with ashx inside, if two programs to access interface each other how to implement the cross-domain problem, request interface with js

CodePudding user response:

The ajax?

CodePudding user response:

reference 1st floor andy_wanhl response:

is ajax?

yes

CodePudding user response:

Ajax try using json, this is an ajax cross-domain mode, with possible before, but didn't pay attention to,

CodePudding user response:

I am such a

 
//get the context object 
Var context=listerner. EndGetContext (ar); 
Var request=context. The request; 
Var response=context. The response; 
//tell the client return the ContentType type is pure text format, encoding to utf-8 
The context. The Response. ContentType="text/plain; Charset=utf-8 "; 
//add response header information 
Context. The Response. AddHeader (" the content-type ", "text/plain"); 
The context. The Response. AddHeader (" Access - Control - Allow - Origin ", "*"); 
Context. The Response. AddHeader (" Access - Control - Allow - Credentials ", "true"); 
Context. The Response. AddHeader (" Access - Control - Allow - the Methods ", "the Get and Post, the OPTIONS"); 
Context. The Response. AddHeader (" Access - Control - Request - Headers ", "X - Custom - the Header"); 
The context. The Response. ContentEncoding=Encoding. UTF8;

Then the returned JSON

 
//set the client returns the information encoding 
Var returnByteArr.=Encoding UTF8. GetBytes (" cardResult (" + json + ") ");//set the client returns the information encoding

CodePudding user response:

reference 4 floor andy_wanhl response:

I am such a

 
//get the context object 
Var context=listerner. EndGetContext (ar); 
Var request=context. The request; 
Var response=context. The response; 
//tell the client return the ContentType type is pure text format, encoding to utf-8 
The context. The Response. ContentType="text/plain; Charset=utf-8 "; 
//add response header information 
Context. The Response. AddHeader (" the content-type ", "text/plain"); 
The context. The Response. AddHeader (" Access - Control - Allow - Origin ", "*"); 
Context. The Response. AddHeader (" Access - Control - Allow - Credentials ", "true"); 
Context. The Response. AddHeader (" Access - Control - Allow - the Methods ", "the Get and Post, the OPTIONS"); 
Context. The Response. AddHeader (" Access - Control - Request - Headers ", "X - Custom - the Header"); 
The context. The Response. ContentEncoding=Encoding. UTF8;

Then the returned JSON

 
//set the client returns the information encoding 
Var returnByteArr.=Encoding UTF8. GetBytes (" cardResult (" + json + ") ");//set the client returns the information encoding

is set to * so not safe, and set to * session also seems to be able to pass

CodePudding user response:

C # lets cross-domain code

Json, and then out to put on a layer of cardResult

This 2 points is the key, the other at random

CodePudding user response:

references a sugar packets boy reply: 3/f

ajax try using json, this is an ajax cross-domain mode, with possible before, but not have too to note that

I feel cross domain should be the back-end processing

CodePudding user response:

reference 5 floor spy0505 reply:

Ok, received

CodePudding user response:

refer to 6th floor andy_wanhl response:

allow cross-domain c # code

Json, and then out to put on a layer of cardResult

This 2 points is the key, other optional

cardResult what is this

CodePudding user response:

Is a function, take, at first you use normal, can't get to the value, remember more than one layer, MD, what principle, I haven't understand, but I see the two places,

CodePudding user response:

refer to 7th floor spy0505 response:

Quote: references a sugar packets boy reply: 3/f

Ajax try using json, this is an ajax cross-domain mode, with possible before, but not have too to note that

I feel cross domain should be the back-end processing

Yes, yes, I am is a server-side,
1, to declare the cross-domain, that is, the previous code
2, return json to the client, to add a function name, the name of the termination of the service, the same
3, this is the get method, post not to do it

CodePudding user response:

reference 5 floor spy0505 reply:

Quote: refer to 4th floor andy_wanhl response:

I am such a

 
//get the context object 
Var context=listerner. EndGetContext (ar); 
Var request=context. The request; 
Var response=context. The response; 
//tell the client return the ContentType type is pure text format, encoding to utf-8 
The context. The Response. ContentType="text/plain; Charset=utf-8 "; 
//add response header information 
Context. The Response. AddHeader (" the content-type ", "text/plain"); 
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