How does Laravel5.x return a json value for all errors?

For example, for a normal request, the return method is as follows: {code ...} it is inconvenient for the api to return html. How to make any errors return json, including code errors, database connection errors such as a normal request? The Return method is as follows:

Return response ($ result, $ code); // return json

It is inconvenient to see how to make any errors return json, including code errors and database connection errors.

Reply content:

For example, for a normal request, the return method is as follows:

Return response ($ result, $ code); // return json

It is inconvenient to see how to make any errors return json, including code errors and database connection errors.

App \ Exceptions \ HandlerDirectly return response ()-> json ();

You can return different json values for different errors.

Here

Try {$ conn = new redis ();} catch (\ Exception $ e) {var_dump ($ e); // capture error}