简单小例子，可以简单的看下逻辑的书写，希望能对刚接触objective－c的理解和帮助哦，希望会对你们有帮助哦，很简单和适合初学者使用-Simple example, you can simply look logical writing, hope to understand and help new to objective-c Oh, will you help Oh, very simple and suitable for beginners

创建子vi计算人的体重指标（BMI）.子vi有两个数值输入：身高 体重。单位是 千克和厘米-Create sub vi calculate body mass index (BMI). Son vi two numerical input: height and weight. Units are kilograms and centimeters

创建子vi计算年龄，出生日期和当前日期作为输入。完成后，在VIProperties 里添加信息如下：Finds age in years of a person given the current date and the person s birth date as imput-Create sub vi calculate body mass index (BMI). Son vi two numerical input: height and weight. Units are kilog

输入你的体重，以及你的身高，系统根据bmi指数会分析你是否超重-Enter your weight and your height, the system according to bmi index will analyze whether you are overweight

创建子vi计算人的体重指标（BMI）。子vi有两个数值输入：身高 体重。单位是 千克和厘米。(Create sub VI to calculate human body mass index (BMI). The sub VI has two numerical inputs: height, weight. The units are kilograms and centimeters.)