生成随机字符串

src/ModuleBase/CommonFunctions.cpp

@@ -1,6 +1,7 @@
 #include "CommonFunctions.h"
 #include <QDir>
 #include <QDebug>
+#include <QRandomGenerator>
 
 bool RemoveDir(QString fullpath)
 {
@@ -33,3 +34,16 @@ QString MODULEBASEAPI doubleToString(double v, int acc)
 	QString vs = QString::asprintf(ba.data(), v);
 	return vs;
 }
+
+
+QString MODULEBASEAPI generateRandomString(int length) {
+	const QString possibleCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
+	const int randomStringLength = possibleCharacters.length();
+
+	QString randomString;
+	for(int i = 0; i < length; ++i) {
+		int index = QRandomGenerator::global()->bounded(randomStringLength);
+		randomString.append(possibleCharacters.at(index));
+	}
+	return randomString;
+}

src/ModuleBase/CommonFunctions.h

@@ -10,6 +10,8 @@ extern "C"
 	bool MODULEBASEAPI RemoveDir(QString fullpath);
 	//将浮点数转化为字符串，acc-小数点后位数
 	QString MODULEBASEAPI doubleToString(double v, int acc);
+	// 生成随机字符串
+	QString MODULEBASEAPI generateRandomString(int length);
 }
 
 #endif