?? treeviewservlet.java
字號:
package book.treeview;
import javax.servlet.ServletException;
import javax.servlet.http.*;
import book.treeview.*;
public class TreeviewServlet extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {
String parentID = request.getParameter("parent");//獲得id的值
if (parentID!=null&&!parentID.equals(""))//如果不為null和空
{
Category category = new Category(Integer.parseInt(parentID));//創建Category對象
TreeviewElement[] top = category.getChildren();//得到該分類的所有下級分類
response.setContentType("text/html");
java.io.PrintWriter out = response.getWriter();
for(int i= 0;i<top.length;i++)//循環顯示每個分類
out.println(treeviewRender.renderTreeViewAjax(top[i],false));
}
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {
doPost(request, response);
}
}
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