1.第一种方式
strFun = obj.SetUserName(userName);
strFun = "obj.SetUserName('"+userName+"');"+"/r/n";
strFun = "obj.SetUserName('"+userName+"');/r/n";
2.第二中方式
strFun = obj.SetUserName(userName);
strFun = "obj.SetUserName(/""+userName+"/");"+"/r/n";
strFun = "obj.SetUserName(/""+userName+"/");/r/n";