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				@@ -12,6 +12,7 @@ import org.springframework.validation.BindException; 
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				 import org.springframework.validation.FieldError; 
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				 import org.springframework.validation.ObjectError; 
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				 import org.springframework.web.bind.MethodArgumentNotValidException; 
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				+import org.springframework.web.bind.MissingServletRequestParameterException; 
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				 import org.springframework.web.bind.annotation.ExceptionHandler; 
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				 import org.springframework.web.bind.annotation.RestControllerAdvice; 
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				 import org.springframework.web.servlet.NoHandlerFoundException; 
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				@@ -50,6 +51,11 @@ public class FSExceptionHandler { 
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				 		return R.error("数据库中已存在该记录"); 
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				 	} 
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				+	@ExceptionHandler(MissingServletRequestParameterException.class) 
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				+	public R handleMissingServletRequestParameterException(MissingServletRequestParameterException e) { 
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				+		logger.error(e.getMessage(), e); 
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				+		return R.error("缺少必要的参数"); 
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				+	} 
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				 	@ExceptionHandler(Exception.class) 
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				 	public R handleException(Exception e){ 
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