Dart编程实例 - 赋值操作符 Dart编程实例 - 类型测试操作符 is! Dart编程实例 - 逻辑操作符 Dart编程实例 - 赋值操作符 void main() { var a = 12; var b = 3; a+=b; print("a+=b : ${a}"); a = 12; b = 13; a-=b; print("a-=b : ${a}"); a = 12; b = 13; a*=b; print("a*=b' : ${a}"); a = 12; b = 13; a/=b; print("a/=b : ${a}"); a = 12; b = 13; a%=b; print("a%=b : ${a}"); } Dart编程实例 - 类型测试操作符 is! Dart编程实例 - 逻辑操作符