转换时,留心转换的16进制是大端结构,还是小端结构是否需要倒转?,下面我们就来说一说关于qt字符串怎么变成32位?我们一起去了解并探讨一下这个问题吧!

qt字符串怎么变成32位(16进制字符串转10进制int)

qt字符串怎么变成32位

注意点:

转换时,留心转换的16进制是大端结构,还是小端结构。是否需要倒转?

QString src = "e38B2760"; int length = src.length(); QString hex; if (length ==8) { QString x1 = src.mid(6,2); QString x2 = src.mid(4,2); QString x3 = src.mid(2,2); QString x4 = src.mid(0,2); hex.append(x1); hex.append(x2); hex.append(x3); hex.append(x4); } if (length ==7) { QString x1 = src.mid(5,2); QString x2 = src.mid(3,2); QString x3 = src.mid(1,2); QString x4 = src.mid(0,2); hex.append(x1); hex.append(x2); hex.append(x3); hex.append('0'); hex.append(x4); } //QString hex1 = "60278Be3"; bool ok; int dec = hex.toInt(&ok, 16); qDebug() << dec; //1613204451

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