[TOC] # 控制器 ~~~ @RequestMapping("/testException") public String testException() throws SysException{ System.out.println("testException執行了..."); try { // 模擬異常 int a = 10/0; } catch (Exception e) { // 打印異常信息 e.printStackTrace(); // 拋出自定義異常信息 throw new SysException("查詢所有用戶出現錯誤了..."); } return "success"; } ~~~ # 自定義異常類 ~~~ public class SysException extends Exception{ // 存儲提示信息的 private String message; public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public SysException(String message) { this.message = message; } } ~~~ # 異常處理器 ~~~ public class SysExceptionResolver implements HandlerExceptionResolver{ public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) { // 獲取到異常對象 SysException e = null; if(ex instanceof SysException){ e = (SysException)ex; }else{ e = new SysException("系統正在維護...."); } // 創建ModelAndView對象 ModelAndView mv = new ModelAndView(); mv.addObject("errorMsg",e.getMessage()); mv.setViewName("error"); return mv; } } ~~~ # 配置 springmvc.xml beans下 ~~~ <!--配置異常處理器--> <bean id="sysExceptionResolver" class="cn.jdxia.exception.SysExceptionResolver"/> ~~~