uvm打印显示

transaction

uvc_transaction tr;
tr.print();
`uvm_info(get_full_name(),tr.sprint(),UVM_LOW)//嵌入uvm_info

字符串拼接

string a;//这种情况下a默认为空字符串
string b;
string c;
c = $sformatf("%s%s",a,b);//a字符串与b字符串拼接，结果赋值给字符串c
c = {a,b};//第二种方式