一、如果用到了try-catch，需要在catch中再次丟擲RuntimeException("")異常

@Transactional(rollbackFor=Exception.class)
public CommonResult anecdoterecordsServiceSave(Anecdoterecords anecdoterecords, HttpServletRequest request, String picMvIds) throws Exception {

		try {            
                    //dao層的操作
                    ...          
		//測試事務回滾
		int aaaaaaa = 10;
		int bbbbbbb = 0;
		if(aaaaaaa/bbbbbbb == 100){
			System.err.println("哈哈哈哈哈哈哈哈哈");
		}
		return something;			
		} catch (Exception e) {
			throw new RuntimeException(e.getMessage());	//丟擲RuntimeException異常
		}		
}