JSP

Displayfile.java //********************************* File parentdirectory = null;//current directory ArrayList [] File = null;//holds all files in the current directory ArrayList [] directory = null;//holds all directories in the current

1. Requestdispatcher.forward () is on the server side, when using forward (), the Servlet engine passes HTTP requests from the current servlet or JSP to another servlet,jsp or normal HTML file, or your form commits to a.jsp, The forward () redirect

1,common.jsp Copy Code code as follows: Response.setheader ("Cache-control", "No-store"); HTTP 1.1 Response.setheader ("Pragma", "No-cache"); HTTP 1.0 Response.setdateheader ("Expires", 0); %>

1. In the site (My site is: E:\javatest) under the establishment of the folder "Accessdb" and under the folder to establish a database "Test.mdb" and the Table "Stu", Stu Field Id,stuname test.mdb the path is: e:\ Under Javatest\accessdb The

I. Establishment of databases and ODBC data sources 1. Establish Jcc.mdb database and user table 2. Add test data 3. Configuring an ODBC data source Two. Under /, create a new Access database connection file select.jsp Select.jsp source code is

Main principle please refer to http://blog.hunan2s.com/article.asp?id=233 After a turn of debugging, success. Oh Attached source code. JDK 1.5 +eclipse +tomcat 5.0.28 + MYSQL 5.0 Database test, table name News Fields: ID int automatically grows,

image.jsp Copy Code code as follows: String path = Request.getcontextpath (); String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/"; %> Color getrandcolor (int fc,int

Verify Sex (radio button validation) function Checkxb () { var temp = false; var xbobj1= document.getelementbyid ("Xb1"); var xbobj2= document.getelementbyid ("Xb2"); if (xbobj1.checked | | xbobj2.checked) { temp = true; } return temp; } function

1, on the page Copy Code code as follows: Value=/> 2.action Copy Code code as follows: string[] checkbox = request.getparametervalues ("checkbox"); list Checkboxs = new arraylist (); int Operatorid

For example: Copy Code code as follows: Hibernatetest.java Import onlyfun.caterpillar.*; Import net.sf.hibernate.*; Import net.sf.hibernate.cfg.*; Import java.util.*; public class Hibernatetest { public static void Main (string[]

1, under Tomcat for the old domain to do a virtual host Home page for index.jsp, 404 error page for unfind.jsp Homepage uses 301 to turn, is advantageous to the search engine optimization Response.setstatus (301); Response.setheader ("Location",

Package com.shaccp.web.util; Import java.util.List; public class Pagebean { /** * * * @author ppy 2008-10-18 14:3:56 * Total Records of totalrecords * List to save paging data * PageNo Current Page * PageSize Page size * Query saves a string of user

It's not complicated to do trees, but we usually do 2 or 3 layers, and that data comes from more than one table, such as: Department, employee Yet this self-contained table, which has no definite level, may be infinitely multilevel For example: A is

dwr.jsp a b c Dwr.xml Public "-//getahead limited//dtd Direct Web Remoting 2.0//en" "Http://getahead.org/dwr/dwr20.dtd" > Usermanager.java Package com.struts; public class Usermanager { public boolean CCC (String uname)

My environment is Win2003+jdk+tomcat, the version is as follows Jdk:jdk-6u10-rc2-bin-b32-windows-i586-p-12_sep_2008.exe Tomcat:apache-tomcat-6.0.35.exe I only need these 2 software can, do not have to create environment variables or anything, I have

The detailed introduction of JSP automatic compiling mechanism In general, the Jasper Automatic detection mechanism is relatively simple, relying on a background thread to constantly detect the JSP file and the compiled class file after the final

Recently done projects, complete the task assigned by the project manager, started the Java Web, but encountered many problems in the development process, but I have the most headaches or import external CSS has been ineffective, plagued for a long

Implement the pyramid as shown in the JSP, The code is as follows: The general idea is as follows: 1, first draw the first 5 lines. Because the number of i+ spaces = Total number of rows, the number of spaces in the first line is the total

JSP Tags: Implementation Request Forwarding to add parameters to the above El expression: 1. Get Variable data Hello, ${name} 2. Get Array data Hello, ${names[0]} 3. Get Collection data names=new

In the initial stage of learning Javaweb, you will encounter the Doget and Dopost methods in HttpServlet. The first two days saw the difference between get and post requests in the servlet, which is summarized as follows: Servlets & JSP. 1: The