JspResourceViewResolver.java 文件源码

protected boolean tryToCheckJspResource(HttpServletRequest request, String viewName){
    ServletContext sc = request.getServletContext();
    String jsp = getPrefix() + viewName + getSuffix();
    ServletContextResource scr = new ServletContextResource(sc, jsp);
    if(scr.exists()){
        return true;
    }
    String path = sc.getRealPath(jsp);
    if(StringUtils.isBlank(path)){
        return false;
    }
    File jspFile = new File(path);
    return jspFile.exists();
}