7.1

15832144755

2021-07-01 ba21fcf8482029f7634b62d60daf171538001769

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package com.hxzkoa.util;
 
import java.util.HashMap;
import java.util.Map;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.InvalidDataAccessResourceUsageException;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;
 
public class MyExceptionHandler implements HandlerExceptionResolver {
    private Logger logger = LoggerFactory.getLogger(this.getClass());
 
    public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler,
            Exception ex) {
        Map<String, Object> model = new HashMap<String, Object>();
        model.put("ex", ex);
        // 根据不同错误转向不同页面
        if (ex instanceof NullPointerException) {
            logger.error("error occures.....", ex);
            model.put("msg", ex.getMessage());
            return new ModelAndView("forward:/common/fail.jsp", model);
        }else if(ex instanceof InvalidDataAccessResourceUsageException){
            logger.error("error occures.....", ex);
            model.put("msg", "用户权限不足，请先配置有权限的数据库账户");
            return new ModelAndView("forward:/common/fail.jsp", model);
        } else if (ex instanceof RuntimeException) {
            logger.error("error occures.....", ex);
            model.put("msg", ex.getMessage());
            return new ModelAndView("forward:/common/fail.jsp", model);
            
        } else {
            logger.error("error occures.....", ex);
            model.put("msg", "发生错误");
            return new ModelAndView("forward:/common/fail.jsp", model);
        }
    }
}