此處列舉型別為:string->int;string->double;double->string 代碼如下
string int_string = "123456";
string double_string = "3.1415926";
double Double_number = 3.1415926;
int number1;
double number2;
string number3;
number1 = Convert.ToInt32(int_string);
number2 = Convert.ToDouble(double_string);
number3 = Double_number.ToString();
Console.WriteLine("number1:{0} number2:{1} number3:{2}", number1, number2, number3);
Console.ReadKey();
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int.parseint.tryparse
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