添加paperId校验

cqb-paper/src/main/java/com/qmth/cqb/paper/web/ExtractConfigController.java

@@ -8,6 +8,7 @@ import javax.servlet.http.HttpServletRequest;
 
 import io.swagger.annotations.ApiOperation;
 
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -117,6 +118,10 @@ public class ExtractConfigController {
 	public ResponseEntity<Map<String, Object>> checkIsAllQbjectiveQuestion(String paperId){
 		Map<String, Object> quesMap = new HashMap<String, Object>();
 		try{
+			if(StringUtils.isBlank(paperId)){
+				quesMap.put("message","paperId不能为空");
+				return new ResponseEntity<Map<String, Object>>(HttpStatus.INTERNAL_SERVER_ERROR);
+			}
 			boolean result = extractConfigService.checkIsAllQbjectiveQuestion(paperId);
 			quesMap.put("result", result);
 			quesMap.put("message", result?"全为客观题":"不全为客观题");