摘要: str = "string" # 1.字符串的迭代 for i in 0...(str.length) puts str[i] end str = "string" # 1.字符串的迭代 for i in 0...(str.length) puts str[i] end str = "string" 阅读全文
posted @ 2018-12-25 11:22 瞎几把乱记 阅读(1295) 评论(0) 推荐(0) 编辑