int --> Stringint n = 3; String str = n.toString(); // "3"String --> intString str = "10"; int n = int.parse(str); // 10String --> doubleString str = "10.6"; double d = doulbe.parse(str); // 10double --> Stringdouble d = 14.96515; String str = d.toStringA...

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Dart 运算符 / 与 ~/ 的区别：运算符/：除，返回值为double类型；运算符 ~/：整除，返回值为int类型。int a1 = 6; int a2 = 4; print('除: ' + (a1/a2).toString()); print('整除:' + (a1~/a2).toString());

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