objective-c - ios obj C 将字符串分隔成字符并添加字母

Question

如何分隔字符串？例如，输入 ex a m p l e，并生成一个 summation 总结 每个字母的定义值 [ a=1, b =2, c=3,..z=26]

Answer 1

您可以使用 characterAtIndex 从字符串中提取特定字符，例如

[myString characterAtIndex:1]

或者遍历所有:

for (int i=0; i < [myString length]; i++) {
    ... [myString characterAtIndex:i]
   // You can then decide how to assign a value to each individual string, via a switch.

}