-(NSString*)getnewvcid
{
NSString *str = [[NSUUID UUID] UUIDString];
NSString *str2 = [str stringByReplacingOccurrencesOfString:@"-" withString:@""];
return str2;
}```
-(NSString*)getnewvcid
{
NSString *str = [[NSUUID UUID] UUIDString];
NSString *str2 = [str stringByReplacingOccurrencesOfString:@"-" withString:@""];
return str2;
}```本文标题：用UUID获取随机数方法
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