CSharp_黄谦_无25 #21
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shangfengh
reviewed
Aug 8, 2023
| // 一个进度条 | ||
| // 只允许修改Progress类中的代码 | ||
| // 要求实现IProgress中的要求 | ||
| public int Num { get; set; } // Progress的序号，表明是第几个实例化的Progress | ||
| public int RequiredProgress { get; set; } // Progress加载完成所需进度 | ||
| public int FinishedProgress { get; set; } // FinishedProgress指其中已完成的进度, FinishedProgress应当在[0,RequiredProgress]中 |
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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
这里应当考虑private set
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