package WeChat; 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 java.io.IOException; import java.util.HashMap; // 检查该用户的订单 @WebServlet(name = "CheckOrders", urlPatterns = {"/CheckOrders.do"}, loadOnStartup = 2) public class CheckOrders extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if(Authentication.islegal(request)){ String UserID = request.getParameter("UserID"); String Statuetype = request.getParameter("status"); // 防止sql注入 if(UserID != null && sqlfilter.islegal(UserID)) { String sql = "select MessageID,Book.BookID,UserName,BookName,'tel-phone',Address from User join Ordered on User.UserID = Ordered.UserID join Address on " + "Address.UserId = Ordered.UserID and Address.MessageID = Ordered.MessageID join Book on Ordered.BookID = Book.BookID where User.UserID = " + UserID; if(Statuetype !=null && sqlfilter.isright(Statuetype)) sql += " and Status like '" + Statuetype + "%'"; HashMap names = new HashMap<>(); names.put("UserName","UserName"); names.put("BookName","BookName"); names.put("tel-phone","tel-phone"); names.put("Address","Address"); names.put("BookID","BookID"); names.put("MessageID","MessageID"); GetJson.Getinfo(request,response,sql,names); } } } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } }