Java web 中 HttpServletResponse
html
sendError(404) response.sendError(404)返回的Content-Type:text/html 會跳轉到web.xml中配置的錯誤頁面web
<
error-page
>
<
error-code
>404</
error-code
>
<
location
>/404.vm</
location
>
</
error-page
>
setStatus(404 ) response.setStatus(404)返回的Content-Type:text/json
json