//允许出现特殊字符和转义符
mapper.configure(Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true) ;
//允许出现单引号
mapper.configure(Feature.ALLOW_SINGLE_QUOTES, true) ;
//允许出现特殊字符和转义符
mapper.configure(Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true) ;
//允许出现单引号
mapper.configure(Feature.ALLOW_SINGLE_QUOTES, true) ;