摘要：
检查字符串是否为空或null或仅仅包含空格 String test = ""; String test1=" "; String test2 = "\n\n\t"; String test3 = null; System.out.println( "test blank? " + StringUtils.isBlank( test ) ); System.out.println( "test1 blank? " + StringUtils.isBlank( test1 ) ); System.o 阅读全文