表数据导出支持

zyplayer-doc-manage/src/main/java/com/zyplayer/doc/manage/framework/exception/GlobalHandlerExceptionResolver.java

@@ -3,112 +3,51 @@ package com.zyplayer.doc.manage.framework.exception;
 import com.alibaba.fastjson.JSON;
 import com.zyplayer.doc.core.exception.ConfirmException;
 import com.zyplayer.doc.core.json.DocResponseJson;
-import com.zyplayer.doc.core.json.ResponseJson;
-import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
-import org.springframework.web.bind.annotation.ResponseBody;
-import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.method.HandlerMethod;
+import org.springframework.web.HttpMediaTypeNotAcceptableException;
 import org.springframework.web.servlet.ModelAndView;
 import org.springframework.web.servlet.handler.SimpleMappingExceptionResolver;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 /**
  * 全局异常处理器
  */
 @Component
 public class GlobalHandlerExceptionResolver extends SimpleMappingExceptionResolver {
-	private static final Logger LOGGER = LoggerFactory.getLogger(GlobalHandlerExceptionResolver.class);
+	private static final Logger logger = LoggerFactory.getLogger(GlobalHandlerExceptionResolver.class);
 	
 	@Override
 	public ModelAndView resolveException(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
-		LOGGER.error("---自定义异常处理---", ex);
-		request.setAttribute("throwable", ex);
-		ModelAndView mv = new ModelAndView();
-		response.setStatus(HttpStatus.OK.value());// 设置状态码
-		response.setContentType(MediaType.APPLICATION_JSON_VALUE);// 设置ContentType
-		response.setCharacterEncoding("UTF-8");// 避免乱码
+		response.setCharacterEncoding("UTF-8");
+		response.setStatus(HttpStatus.OK.value());
+		response.setContentType(MediaType.APPLICATION_JSON_VALUE);
 		response.setHeader("Cache-Control", "no-cache, must-revalidate");
-		DocResponseJson<Object> responseJson = null;
-		if (ex instanceof ConfirmException) {// 提示性异常
-			responseJson = DocResponseJson.warn(ex.getMessage());
-		} else {// 其他异常
+		DocResponseJson<Object> responseJson;
+		// 无需处理的异常
+		if (ex instanceof HttpMediaTypeNotAcceptableException) {
 			responseJson = DocResponseJson.warn("系统错误");
-		}
-		boolean isResponseBody = isResponseBody(handler);// 是否返回body
-		// 返回页面或者返回内容处理
-		if (!isResponseBody) {
-			mv.addObject("errJson", responseJson);
-			String customErrPage = (String) request.getAttribute("customErrPage");
-			// 有定义过错误页面的直接返回自定义的错误页面
-			if(StringUtils.isNotBlank(customErrPage)) {
-				mv.setViewName(customErrPage);
-			} else {// 否则返回默认的错误页面
-				mv.setViewName("/statics/common/500.html");
-			}
 		} else {
-			try {
-				String jsonStr = JSON.toJSONString(responseJson);
-				response.getWriter().write(jsonStr);
-			} catch (IOException e) {
-				e.printStackTrace();
+			// 其他异常
+			logger.error("---自定义异常处理---", ex);
+			if (ex instanceof ConfirmException) {
+				responseJson = DocResponseJson.warn(ex.getMessage());
+			} else {
+				responseJson = DocResponseJson.warn("系统错误");
 			}
 		}
-		return mv;
-	}
-
-	/**
-	 * 如果是HttpMessageNotReadableException 则获取错误字段
-	 * @param exception
-	 * @return
-	 */
-	public static String getExceptionField(String exception) {
-		Pattern pattern = Pattern.compile("Unrecognized field \"(\\w*)[$\"]");
-		Matcher matcher = pattern.matcher(exception);
-		String field = "";
-		if (matcher.find()) {
-			field = matcher.group(1);
-		} else {
-			pattern = Pattern.compile("Field error in object '.+' on field '(\\w+)'");
-			matcher = pattern.matcher(exception);
-			if (matcher.find()) {
-				field = matcher.group(1);
-			}
+		try {
+			String jsonStr = JSON.toJSONString(responseJson);
+			response.getWriter().write(jsonStr);
+		} catch (Exception e) {
+			logger.warn("write error：" + e.getMessage());
 		}
-		return field;
+		return new ModelAndView();
 	}
-	
-	/**
-	 * 是否返回body
-	 * @author 
-	 * @since 2017年5月11日
-	 * @param handler
-	 * @return
-	 */
-	private boolean isResponseBody(Object handler){
-		if (handler instanceof HandlerMethod) {
-			HandlerMethod mathod = (HandlerMethod) handler;
-			ResponseBody body = mathod.getMethodAnnotation(ResponseBody.class);
-			if(body == null){
-				RestController restController = mathod.getMethod().getDeclaringClass().getAnnotation(RestController.class);
-				if(restController == null){
-					if(!mathod.getMethod().getReturnType().isAssignableFrom(ResponseJson.class)){
-						return false;
-					}
-				}
-			}
-		}
-		return true;
-	}
-	
 }