预期额外的括号？
以下：
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
//Is currently working fine, however, I am wanting to change the if statement to a while loop - for error checking purposes. When I change the code to this :
while (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Console.Write("Please enter minutes for your first run: ");
parseok = int.TryParse(Console.ReadLine(), out run1m);
}
//I am recieveing an error message saying that I'm missing a close bracket, when I add the close bracket the whole program becomes riddled with errors. What am I forgetting to do?
//I will add the entire project's code :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
class Program
{
//Ajdin Karahodzic
//ID : KARAD1301
static void Main(string[] args)
{
String membertype = "";
//Declaration of Variables
string name = "";
string member = "";
string gender = "";
int run1m = 0;
int run1s = 0;
int run2m = 0;
int run2s = 0;
int run3m = 0;
int run3s = 0;
int run1total = 0;
int run2total = 0;
int run3total = 0;
int totalsecs = 0;
int avgsecs = 0;
int hours = 0;
int minutes = 0;
int seconds = 0;
bool parseok = false;
string menu = "";
int run1tempS = 0;
int run1tempM = 0;
int run1tempH = 0;
int run2tempS = 0;
int run2tempM = 0;
int run2tempH = 0;
int run3tempS = 0;
int run3tempM = 0;
int run3tempH = 0;
while (menu != "x")
{
Console.WriteLine("Please choose from the following : ");
Console.WriteLine("Enter Runner Details (R) : ");
Console.WriteLine("Enter run times (T) : ");
Console.WriteLine("Display runner results (D) : ");
Console.WriteLine("Exit the program (X) ");
menu = Console.ReadLine();
switch (menu)
{
//CLOSE PROGRAM SWITCH
case "x":
case "X":
Environment.Exit(0);
break;
//ENTER RUNNER DATA SWITCH
case "r":
case "R":
Console.Write("Please enter your name: ");
name = Console.ReadLine();
while (string.IsNullOrEmpty(name))
{
Console.WriteLine("Error : Please ensure you have entered your name, press enter to continue ");
Console.ReadLine();
Console.Write("Please enter your name: ");
name = Console.ReadLine();
}
Console.Write("Please enter your membership number: ");
member = Console.ReadLine();
while (member.Length != 5)
{
Console.WriteLine("Error : Membership number must be 5 characters long, press enter to continue ");
Console.ReadLine();
Console.Write("Please enter your membership number: ");
member = Console.ReadLine();
}
char first = member[0];
while (first != 'o' && first != 'O' && first != 's' && first != 'S' && first != 'j' && first != 'J' && first != 'C' && first != 'c')
{
Console.WriteLine("Error : Membership number must begin with O, S, J or C, press enter to continue ");
Console.ReadLine();
Console.Write("Please enter your membership number: ");
member = Console.ReadLine();
}
if (first == 'o' || first == 'O')
{
membertype = "Ordinary Member";
}
else if (first == 's' || first == 'S')
{
membertype = "Student Member";
}
else if (first == 'j' || first == 'J')
{
membertype = "Junior Member";
}
else if (first == 'c' || first == 'C')
{
membertype = "Child Member";
}
string response = "";
Console.Write("Please enter your gender (m) or (f) : ");
response = Console.ReadLine();
gender = response;
while (gender != "m" && gender != "M" && gender != "f" && gender != "F")
{
Console.WriteLine("Error : Gender must be either : M / m (For Male) or F / f (For Female), press enter to continues ");
Console.ReadLine();
Console.Write("Please enter your gender (m) or (f) : ");
response = Console.ReadLine();
gender = response;
}
break;
//ENTER RUN TIMES - SWITCH
case "T":
case "t":
//Prompt for user input; collect and store data.
/*---------RUN 1 INPUT---------
-----------------------------*/
//MINUTES
Console.Write("Please enter minutes for your first run: ");
parseok = int.TryParse(Console.ReadLine(), out run1m);
while (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Console.Write("Please enter minutes for your first run: ");
parseok = int.TryParse(Console.ReadLine(), out run1m);
}
else if (run1m < 15 || run1m > 180)
{
Console.WriteLine("Error : Minutes cannot be less than 15 or greater than 180");
Console.ReadLine();
Environment.Exit(0);
}
//SECONDS
Console.Write("Please enter seconds for your first run: ");
parseok = int.TryParse(Console.ReadLine(), out run1s);
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
else if (run1s < 0 || run1s > 59)
{
Console.WriteLine("Error : Seconds must be between 0 and 59 ");
Console.ReadLine();
Environment.Exit(0);
}
Console.WriteLine();
/*---------RUN 2 INPUT---------
------------------------------*/
Console.Write("Please enter minutes for your second run: ");
parseok = int.TryParse(Console.ReadLine(), out run2m);
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
else if (run2m < 15 || run2m > 180)
{
Console.WriteLine("Error : Minutes cannot be less than 15 or greater than 180");
Console.ReadLine();
Environment.Exit(0);
}
Console.Write("Please enter seconds for your second run: ");
run2s = int.Parse(Console.ReadLine());
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
else if (run2s < 0 || run2s > 59)
{
Console.WriteLine("Error : Seconds must be between 0 and 59 ");
Console.ReadLine();
Environment.Exit(0);
}
Console.WriteLine();
/*---------RUN 3 INPUT---------
------------------------------*/
Console.Write("Please enter minutes for your third run: ");
parseok = int.TryParse(Console.ReadLine(), out run3m);
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
else if (run3m < 15 || run3m > 180)
{
Console.WriteLine("Error : Minutes cannot be less than 15 or greater than 180");
Console.ReadLine();
Environment.Exit(0);
}
Console.Write("Please enter seconds for your third run: ");
run3s = int.Parse(Console.ReadLine());
if (parseok == false)
{
Console.WriteLine("Error : Please enter valid numeric Value ");
Console.ReadLine();
Environment.Exit(0);
}
else if (run3s < 0 || run3s > 59)
{
Console.WriteLine("Error : Seconds must be between 0 and 59 ");
Console.ReadLine();
Environment.Exit(0);
}
Console.WriteLine();
break;
case "d":
case "D":
// CALCULATIONS
//Converting individual run times to seconds
run1total = (run1m * 60) + run1s;
run2total = (run2m * 60) + run2s;
run3total = (run3m * 60) + run3s;
//Convert individual times to hours, mins, secs.
// RUN1
run1tempS = (run1total % 60);
run1tempM = ((run1total / 60) % 60);
run1tempH = ((run1total / 3600) % 60);
// RUN2
run2tempS = (run2total % 60);
run2tempM = ((run2total / 60) % 60);
run2tempH = ((run2total / 3600) % 60);
// RUN3
run3tempS = (run3total % 60);
run3tempM = ((run3total / 60) % 60);
run3tempH = ((run3total / 3600) % 60);
//Calculate average time
totalsecs = (run1total + run2total + run3total);
avgsecs = (totalsecs / 3);
seconds = (avgsecs % 60);
minutes = ((avgsecs / 60) % 60);
hours = ((avgsecs / 3600) % 60);
//Display results
Console.WriteLine();
Console.WriteLine("==========================================================================");
Console.WriteLine("10 Km results for: ");
Console.WriteLine("{0} [{1}] - {2}, {3} ", name, member, membertype, gender.ToUpper());
Console.WriteLine("Run 1 - {0} hr(s) {1} min(s) {2} sec(s). ", run1tempH, run1tempM, run1tempS);
Console.WriteLine("Run 2 - {0} hr(s) {1} min(s) {2} sec(s). ", run2tempH, run2tempM, run2tempS);
Console.WriteLine("Run 3 - {0} hr(s) {1} min(s) {2} sec(s). ", run3tempH, run3tempM, run3tempS);
Console.WriteLine();
Console.WriteLine("Average 10km run time is : {0} hours {1} minutes {2} seconds. ", hours, minutes, seconds);
break;
default:
Console.WriteLine("Incorrect input, please try again ");
break;
}
Console.ReadLine();
}
}
}
}
2 个答案:
答案 0 :(得分：4)
在第161行，你正在做else if但是你没有指定任何if。
我不知道你在代码中做了什么。但要么删除else语句中的else if，要么在else if之前创建if语句。
else if语句在if语句或else if语句之后发出，并且不能作为比较中的第一个语句。
解决方案示例
因此，在if之前添加else if将解决问题。 （注意我现在不需要你的程序需要做什么，因此你需要检查你必须做什么条件检查。）
答案 1 :(得分：2)
你的问题是遗留下来的
else
在第163行。删除它允许代码编译，但我不会验证行为。
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