需要头文件
string RandomString(int stringLengths) {
srand((unsigned)time(0));
int stringTypeNumber, generateCounts;
char* generatePointer = new char[stringLengths];
for (generateCounts = 0; generateCounts < stringLengths; generateCounts++) {
stringTypeNumber = rand() % 3 + 1;
switch (stringTypeNumber) {
case 1:generatePointer[generateCounts] = rand() % 10 + 48; break;
case 2:generatePointer[generateCounts] = rand() % 26 + 65; break;
case 3:generatePointer[generateCounts] = rand() % 26 + 97; break;
}
}
generatePointer[stringLengths] = '\0';
return generatePointer;
}
2020年8月8日18点54分