我有几个具有以下命名约定的对象。
a. "Purchase Order 1"
b. "Purchase Order 2"
c. "Purchase Order 3"
d. " Purchase Order 4" (space at the start)
e. "Purchase Order 5 " (space at the end)
f. "Purchase Order 10"
g. "Purchase Order 11"
h. "Purchase Order 12"
i. "Purchase Order13"
用户界面应如何处理空间作为输入(特别是在开头,结尾)。需要输入。