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2017-每天都被自己帥醒-spm.js

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+// 蔡東霖
+
+function getBMI(data){
+    var weight=Number(data[1]);
+    var height=(Number(data[0]));
+
+    // console.log((weight / Math.pow(height/100,2)).toFixed(2));
+
+    return ((weight / Math.pow(height/100,2)).toFixed(1));
+}
+
+
+
+function getMessage(bmi){
+    if(bmi < 18.5)
+        return '體重過輕';
+    else if(18.5 <= bmi && bmi < 24 )
+        return '正常範圍';
+    else
+        if (24 <= bmi && bmi < 27 )
+            return '過重';
+        else if(27<= bmi && bmi < 30)
+            return '輕度肥胖';
+        else if(30 <=bmi && bmi< 35)
+            return '中度肥胖';
+        else if(bmi>=35)
+            return '重度肥胖';
+}
+
+
+var scanf = require('scanf');
+//need npm i scanf
+
+var input = 'y';
+var data;
+do{
+    if (input =='y' || input == 'Y') {
+
+        console.log('請輸入身高、體重（空白隔開）');
+        data = scanf('%s %s'); //object
+        // data = scanf('%s');
+
+        if (!/^\d+[.]?\d*$/.test(data[0]) && !/^\d+[.]?\d*$/.test(data[1]))
+        // if (!/^\d+$/.test(data[0]))
+        {
+            console.log('請輸正確格式');
+            // console.log(/^\d+/.exec(data[0]));
+        }else{
+
+
+            console.log('BMI=' + getBMI(data));
+            console.log('Message：' + getMessage(getBMI(data)));
+            console.log('繼續請輸入y/Y,離開請輸入n/N');
+            input = scanf('%s');
+        }
+    }else if(input =='n' || input=='N') {
+        break;
+    }else {
+        console.log('輸入錯誤!!請輸入n/y!!');
+        input = scanf('%s');
+    }
+
+
+}while(1)
+
+console.log('歡迎再次光臨使用');
+
+
+/**
+ * Created by angus on 2017/7/19.
+ */
+
+
+
+
+