simple java web framework

ImportCOM.THREEGRAND.WWW.UTILS.DBUTIL;12 public classNameservice {Dbutil db = newDbutil (); listlist;16/*17 * Page Refresh * */20 + Connection Conn=null; Private PreparedStatement Ps=null; all private ResultSet rs=null;Integer getcout (String name) {count=0 int; try{sql= String "select COUNT (1) from name where 1=1 and name is like?"; conn=Db.getconnection (); ps=Conn.preparestatement (SQL); ps.setstring (1, "%" +name+ "%"); rs=Ps.executequery ();(Rs.next ()) {Count=rs.getint (1); 35}36 PNS} ca

First, create a form page　　Second, create an action that accepts the file to process the uploaded filepublic class FileUpload extends Actionsupport {private static final long Serialversionuid = 1l;/* uploaded files, names of properties and name of form form Consistent */public file uploadobject;/* gets the name of the uploaded file, the name format is file name (above) + "FileName" */public String uploadobjectfilename;/* The type name of the file, named format file name (above) + "ContentType" *

cannot use final Class). * 1, usually recommended Proxytargetclass = False, which means that this method must be in the interface, and the method call in this class tag is invalid, must be called outside to be valid. * 2, if we want to use in a non-interface other public method, we need to use Cglib Proxy, that is, Proxytargetclass = True,cglib Proxy is the disadvantage of the constructor is called two times. *➤ADVICEMODE.ASPECTJ is load-time weaving enabled, that is, when load, modify the co

Java Web simple mall project (5) Next to the previous javaWEB simple mall project (4), this chapter begins to write JSP on the interface, using the MVC method, this article describes JSTL label learning, MVC learning, and building an MVC framework. I. JSTL labels The JSP sta

Annotation-based verification for Java Web simple mall project (6) Next to the Java Web simple mall project (V), this article uses the BeanUtil framework to write the registration page

Java Web simple mall project (1) The project uses the paging framework of the previous blog, and mybatis, which focuses on mybatis.I am a little confused. I don't know what to do. Alas, I don't want to do that much. It's right to learn it. I. project function structure 1. Functions 2. Entity 3. corresponding SQL statem

Create a Web Map application project 1. Create a new ArcGIS server project. Select File>new>project from the Eclipse main menu, navigate to Esri Templates>server, and select ArcGIS Server Project. Click Next. 2. Enter Agssimple as the project name and select a Web container from Target runtime. 3. Enter the correct GIS server name, username, password and domain. Click the Connect button to see that th

A simple Java Web server implementation A simple Java web server implementation is relatively simple, based on java.net. Socket and java.net. ServerSocket;Procedure Create a ServerSoc

Java Web simple mall project (4) Next, I went to the javaWEB simple mall project (III), which learned how to use the reflection-based factory model and java dependency injection in the project. 1. java reflection The

a simple Web service that contains the Jersey library and a Java client that sends JSON data A simple Web service that contains the Jersey library and a Java client that sends JSON data preface environment Tools build Dynamic

Java web simple online bookstore project series, using the MVC model (servlet + jstl + dbutils), the beginning, jstldbutils I. aiming at the difficulties for beginners of java web, I use a small web project to demonstrate

A simple case of invoking C + + programs in a Java Web project This is a DLL program that invokes C + + through JNI technology through Java calls Before you start, learn what some JNI is. ： JNI is the abbreviation for Java Native interface, which is called

A Web server, also known as a Hypertext Transfer Protocol server, communicates with its clients using HTTP, and the Java-based Web server uses two important classes.The Java.net.Socket class and the Java.net.ServerSocket class, and communicates based on sending HTTP messages.This simple

include many levels, such as error errors, warning warn, information info, etc., and have open source projects dedicated to logging, such as log4j to complete log management.5, the server side of the small Java program English is: Server Applet, so we put the server side of the small Java program called: Servlet.6, the use of Java code for

The previous article describes the configuration of the development environment and the installation of the IDE, and this article describes how to develop a simple webapp from scratch. Note: All the steps have screenshots, and has been marked red in the screenshot, you can also directly follow the screenshot to operate. First, create a Web project (1) Open IntelliJ idea and click "Create New Project": (2)

Http://www.cnblogs.com/xiaoMzjm/p/3899366.htmlBackgroundIn the previous post Java Crawl Web page content Simple example (1)-using regular expressions inside, describes how to use regular expressions to parse the content of the Web page, although the regular expression is more general, but cumbersome, the amount of code

In daily development, we have used many open-source web servers, such as tomcat and apache. Now we implement a simple web server. The basic function is to click the resource to be accessed, and the server sends the resource to the browser of the client. To simplify the operation, exceptions such as resource does not exist are not considered here. The

Today, we re-learned the basic Java Web Listener Technology, with Sessionlistener Simple implementation of the Web page statistics online number (there is a bug that when the page is closed when the session does not close still exists, Unless you shut down the server), the code is as follows (the front-end page code is

A simple login interface for Javaweb development the tools used here are eclipse, SQL 2016, tomcat8Before development, you need to complete the connection configuration of Tomcat and SQL in Eclipse, where Tomcat starts automatically when the Web project runs, and the development steps are described belowFirst, the establishment of Web projectsOpen Eclipse Point s

login failed page. (Of course, before the page jump, you need to create a new database in sqlserver2008, create a new table in the database directory, and fill in the table information)Folder structure:Login.jsp Code:Import= "java.sql.*" language= "java" contenttype= "text/html; Charset=utf-8 " pageencoding = "Utf-8"%>Indexcheck.jsp Code:Import= "java.sql.*" language= "java" contenttype= "text/html; Chars