1. 自定义异常类
public class SysException extends Exception{
private static final long serialVersionUID = 4055945147128016300L;
// 异常提示信息
private String message;
public String getMessage() {
return message; }
public void setMessage(String message) {
this.message = message; }
public SysException(String message) {
this.message = message; }
2. 自定义异常处理器
public class SysExceptionResolver implements HandlerExceptionResolver{
/*** 跳转到具体的错误页面的方法 */
public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
ex.printStackTrace();
SysException e = null;
// 获取到异常对象
if(ex instanceof SysException) {
e = (SysException) ex
; }else { e = new SysException("请联系管理员"); }
ModelAndView mv = new ModelAndView();
// 存入错误的提示信息
mv.addObject("message", e.getMessage());
// 跳转的Jsp页面
mv.setViewName("error");
return mv; } }
3. 配置异常处理器
<bean id="sysExceptionResolver" class="cn.itcast.exception.SysExceptionResolver"/>
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