IOS基础入门OC语言Xcode Day13笔记:字符串的转换与拼接

一、字符串与int、float互转web NSString *str1 = @"123"; // 1.字符串转int int num1 = [str intValue]; // 2.int装字符串 NSString *str2 = [NSString stringWithFormat:@"%d",num1]; // 3.字符串转float float num2 = [string floatVa

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