Qt开发之路——快速异常检测失败
本文共 128 字，大约阅读时间需要 1 分钟。
- 问题：
- 原因：QStringlist数据类型的变量为空
如何发现原因：在各个位置输出，找到异常输出的位置，然后发现QStringlist数据类型的变量的变量为空，再调用该变量就报错了
- 总结：这种异常类似的原因有使用空变量，未初始化的变量，空指针
完美解决~
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