diff --git a/失物搜索网站(BS体系风格)/SelectLostThingServlet.java b/失物搜索网站(BS体系风格)/SelectLostThingServlet.java
new file mode 100644
index 0000000..46d77bc
--- /dev/null
+++ b/失物搜索网站(BS体系风格)/SelectLostThingServlet.java
@@ -0,0 +1,292 @@
+package WebServlet;
+
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.List;
+import java.util.Map;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import service.AdminService;
+@WebServlet("/admin_selectLostThings")
+public class SelectLostThingServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        doPost(request, response);
+    }
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        AdminService as = new AdminService();
+        List<Map<String, Object>>  list = null;
+        //获得动作类型
+        String act = request.getParameter("act");
+        //条件查询
+        String keyword = request.getParameter("keyword");
+
+
+
+        //在条件查询分页URL中使用
+        String keyword1 = request.getParameter("keyword1");
+        String getType =request.getParameter("getType");
+        request.setAttribute("getType", getType);
+        //条件查询首页
+        if(keyword1 == null) {
+            keyword1 = keyword;
+        }else {
+            //解码URL中的中文
+            keyword1 = java.net.URLDecoder.decode(keyword1,"utf-8");
+        }
+        //条件查询非首页
+        if(keyword == null) {
+            keyword = keyword1;
+        }
+        //条件查询
+
+        if ("mypublish".equals(act))
+        {
+            HttpSession session =request.getSession(true);
+            String id =(String)session.getAttribute("id");
+           String type = request.getParameter("type");
+           if (type==null||"all".equals(type))
+           {
+                list=as.DetailSelectByUserId(id,keyword);
+                request.setAttribute("findthings",list);
+                list=as.DetailSelectByUserId2(id,keyword);
+                request.setAttribute("lostthings", list);
+           }
+          if("lost".equals(type))
+           {
+               list=as.DetailSelectByUserId2(id,keyword);
+               request.setAttribute("lostthings",list);
+               request.setAttribute("findthings", null);
+           }
+            if("find".equals(type))
+           {
+               list=as.DetailSelectByUserId(id,keyword);
+               request.setAttribute("findthings",list);
+               request.setAttribute("lostthings",null);
+           }
+
+
+            RequestDispatcher rds = null;
+            rds=request.getRequestDispatcher("mypublish.jsp");
+            rds.forward(request, response);
+            return;//一定要有return 否则会接着 下面的语句
+        }
+
+
+
+
+
+        if ("update".equals(act))
+        {
+           String ownername= request.getParameter("ownername");
+           String ownerphone=request.getParameter("ownerphone");
+           String thingsid=request.getParameter("thingsid");
+
+           if ( as.updateOwner(ownername,ownerphone,thingsid))
+            {
+                response.setContentType("text/html;charset=utf-8");
+                PrintWriter out = response.getWriter();
+                out.print("<script type=\"text/javascript\">\n" +
+                        "    alert(\"认领成功！\");\n" +
+                        "</script>");
+
+            }
+           else{
+               response.setContentType("text/html;charset=utf-8");
+               PrintWriter out = response.getWriter();
+               out.print("<script type=\"text/javascript\">\n" +
+                       "    alert(\"认领失败！\");\n" +
+                       "</script>");
+           }
+            response.setHeader("refresh", "1;searchThings.jsp");
+
+            return;
+        }
+        if ("detail".equals(act)){
+
+            list=as.DetailSelectById(request.getParameter("thingsid"));
+            request.setAttribute("Detail3",list);
+            RequestDispatcher rds = null;
+            rds=request.getRequestDispatcher("detail.jsp");
+            rds.forward(request, response);
+            return;//一定要有return 否则会接着 下面的语句
+        }
+        if ("detail2".equals(act)){
+
+            list=as.DetailSelectById(request.getParameter("thingsid"));
+            request.setAttribute("Detail3",list);
+            RequestDispatcher rds = null;
+            rds=request.getRequestDispatcher("detail2.jsp");
+            rds.forward(request, response);
+            return;//一定要有return 否则会接着 下面的语句
+        }
+        if ("detail3".equals(act)){
+
+            list=as.DetailSelectById2(request.getParameter("thingsid"));
+            request.setAttribute("Detail3",list);
+            RequestDispatcher rds = null;
+            rds=request.getRequestDispatcher("detail2.jsp");
+            rds.forward(request, response);
+            return;//一定要有return 否则会接着 下面的语句
+        }
+        if("condiction".equals(act)||"SelectCondiction".equals(act)||"PFSelectCondiction".equals(act)||"condiction2".equals(act)){//搜索框 或者点击 属性标签的都属于条件查询；
+            list = as.conditionSelectThings1(keyword);
+            request.setAttribute("selectThingsType", keyword);//这行代码很重要，要回显 不刷新！
+            if ("PFSelectCondiction".equals(act)){
+                list=as.conditionSelectThings2(keyword);
+                request.setAttribute("Deatail2",list);
+                int temp = list.size();
+                request.setAttribute("totalCount", temp);
+
+//                list=as.getAdminThingsType();
+//                request.setAttribute("AdminThingsType",list);
+                RequestDispatcher rds = null;
+                rds=request.getRequestDispatcher("publish_findthings.jsp");
+                rds.forward(request, response);
+                return;
+            }
+            if ("condiction2".equals(act))
+            {
+                list = as.conditionSelectThings2(keyword);
+                request.setAttribute("selectThingsType", keyword);//这行代码很重要，要回显 不刷新！
+                int temp = list.size();
+                request.setAttribute("totalCount", temp);
+
+//                list=as.getAdminThingsType();
+//                request.setAttribute("AdminThingsType",list);
+                RequestDispatcher rds = null;
+                rds=request.getRequestDispatcher("find_who_lost.jsp");
+                int totalPage = 0;
+                if (temp == 0) {
+                    totalPage = 0;//总页数
+                } else {
+                    //返回大于或者等于指定表达式的最小整数
+                    totalPage = (int) Math.ceil((double) temp / 3);
+                }
+                String pageCur11 = request.getParameter("pageCur");
+                if (pageCur11 == null) {
+                    pageCur11 = "1";
+                }
+                int  pageCur = Integer.parseInt(pageCur11);
+                if ((pageCur - 1) * 3 > temp) {
+                    pageCur = pageCur - 1;
+                }
+                //对之前的结果再进行 分页查询
+                int startIndex = (pageCur - 1) * 3;//起始位置
+                int perPageSize = 3;//每页3个
+
+                    list = as.conditionSelectThingsByPage2(keyword,  startIndex, perPageSize);
+                request.setAttribute("Deatail2",list);
+                request.setAttribute("totalPage", totalPage);
+                request.setAttribute("act", act);
+
+                request.setAttribute("pageCur", pageCur);
+                rds.forward(request, response);
+                return;
+            }
+            if ("SelectCondiction".equals(act))
+            {
+
+                request.setAttribute("Deatail",list);
+                int temp = list.size();
+                request.setAttribute("totalCount", temp);
+
+//                list=as.getAdminThingsType();
+//                request.setAttribute("AdminThingsType",list);
+                RequestDispatcher rds = null;
+                rds=request.getRequestDispatcher("main_Detail.jsp");
+                rds.forward(request, response);
+                return;//一定要有return 否则会接着 下面的语句
+            }
+        }else{
+            list = as.selectLostThings();
+        }
+
+
+
+        RequestDispatcher rds = null;
+        //分页查询
+        int temp = list.size();
+        request.setAttribute("totalCount", temp);
+        int totalPage = 0;
+        if (temp == 0) {
+            totalPage = 0;//总页数
+        } else {
+            //返回大于或者等于指定表达式的最小整数
+            totalPage = (int) Math.ceil((double) temp / 3);
+        }
+        String pageCur11 = request.getParameter("pageCur");
+        if (pageCur11 == null) {
+            pageCur11 = "1";
+        }
+        int  pageCur = Integer.parseInt(pageCur11);
+        if ((pageCur - 1) * 3 > temp) {
+            pageCur = pageCur - 1;
+        }
+        //对之前的结果再进行 分页查询
+        int startIndex = (pageCur - 1) * 3;//起始位置
+        int perPageSize = 3;//每页3个
+        if("condiction".equals(act)) {
+            list = as.conditionSelectThingsByPage(keyword,  startIndex, perPageSize);
+        }else {
+            list = as.selectAllThingsByPage(startIndex, perPageSize);
+        }
+
+
+
+
+
+
+        if("condiction".equals(act)) {
+            //回显查询条件
+            HttpSession session = request.getSession(true);
+//            List<Map<String, Object>> list2 = as.getHaveFoundThingsType();
+//            session.setAttribute("thingsType", list2);
+//
+//            List<Map<String, Object>> list3 = as.getHaveFoundThingsType();
+//            session.setAttribute("AdminThingsType", list3);
+
+            request.setAttribute("keyword1", keyword1);
+            request.setAttribute("act", act);
+
+            request.setAttribute("Deatail", list);
+
+            request.setAttribute("totalPage", totalPage);
+            request.setAttribute("pageCur", pageCur);
+            //查询页面
+
+        }
+
+
+
+
+        if( "condiction".equals(act)){
+            rds = request.getRequestDispatcher("searchThings.jsp");
+        }
+
+
+
+        //修改查询页面
+        else if("updateSelect".equals(act)){
+            rds = request.getRequestDispatcher("admin/updateSelect.jsp");
+        }
+
+
+
+        //删除查询页面
+        else if("deleteSelect".equals(act)){
+            rds = request.getRequestDispatcher("searchThings.jsp");
+        }
+        else if("add".equals(act)) {
+            rds=request.getRequestDispatcher("addhouses.jsp");
+        }
+        rds.forward(request, response);
+    }
+}