我正在尝试使用两个不同的值(整数(sin)和lastName(字符串))进行搜索 我已经能够保存两个文件,但是如何检查它是否是字符串? 这是我的代码:
if (request.getParameter("search") != null) {
String search = request.getParameter("search");
int searchSin = Integer.getInteger(request.getParameter("search"));
//If it is a string
request.setAttribute("employees", employeeService.getEmployeesLastName(search));
//else if it is an integer
request.setAttribute("employees", employeeService.getEmployeesSIN(search));
}
答案 0 :(得分:1)
尝试以下代码
train = train.join(train['features'].str.split(' ',expand = True).add_prefix('feature'))
答案 1 :(得分:0)
您可以使用intanceof知道这一点
例如:
if (myObject instanceof String) {
// Your code here
}