You can use request.setAttribute("xxx",xxx); first to see if you can get the value on the page. If it still doesn't work, there should be a problem with the configuration ("This doesn't seem to cause the problem of not getting the value"). Check whether the settings in your modeandview are correct. .
Going from API to JSP? Is MODELANDVIEW written in the API parameters?
You can use request.setAttribute("xxx",xxx); first to see if you can get the value on the page. If it still doesn't work, there should be a problem with the configuration ("This doesn't seem to cause the problem of not getting the value"). Check whether the settings in your modeandview are correct. .