Many similar tasks must be scripted separately because Ant lacks support for loops, inheritance, and conditional processing; therefore, build code is duplicated and is sometimes redundant.

• 很多类似任务必须单独编写脚本,因为Ant缺乏对循环、继承和条件处理的支持;因而构建代码将出现重复,以致产生冗余代码。