CSharp-运沛然-无24 #20
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shangfengh
reviewed
Aug 8, 2023
| public int finishedprogress; | ||
| public int Num { get { return num; } } | ||
| public int RequiredProgress { get { return requiredprogress; } } | ||
| public int FinishedProgress { get { return finishedprogress; } } |
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本意是希望能在set访问器里限制 FinishedProgress的范围的，特别是多人研发时能确保安全。
但是事实上即便设置了属性，类内依旧可以访问字段，属性更像对类外操作的要求。
所以不开放set访问器（要保证赋值总是合法的，不能让外界无条件修改），只在方法内进行范围限制也合理
| throw new System.Exception("RequiredProgress must be positive. (Parameter 'Homework1.Progress')"); | ||
| this.requiredprogress = requiredprogress; | ||
| finishedprogress = 0; | ||
| num++; |
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Num是表示第几个实例化的Progress，不是指第几次Start
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