ASP

The initial space (-Xms) is 1/64 of the physical memory, and the maximum space (-Xmx) is 1/4 of the physical memory.You can use options such as-Xmn-Xms-Xmx provided by JVM to set Example:Copy codeThe Code is as follows:JAVA_OPTS =

1. advantages of using the window. print () method: support for multiple browsers disadvantages: cancel printing, hide unnecessary printing information, and then display it in a complicated way. You can print the current page 2. Use third-party

Displaying with jstl is more neat and less code than displaying with jsp SearchRetrieval time: Total number of records: " escapeXml="false" /> The Entries Title: Date:

When js processes json data returned by the api, it prompts a Unexpected token ILLEGAL error. In this case, it is easy to directly output js and find that there is a line break. It is a matter of sauce. An interface returns JSON data, and I will

Method 1:Run the openTheIndexPage () method after the page is fully loaded as follows:Copy codeThe Code is as follows: Telecommunications Data Collection System Method 2: It can be the following, but the effect is not as good as method 1.Copy

It took two days to figure out the preview function.The task requirements are as follows: 1: The jsp page contains an image (pic_1)2: Click the image to bring up a page similar to the resource manager.3: select an image and preview it at pic_1.I

CheckboxInterceptor: the interceptor is at the position of defaultStack 11th. Check that the interceptor name is used to process the checkbox. To understand the role of this interceptor, you must know that when a form contains a checkbox, assume

MultiselectInterceptor the interceptor processes the defaultStack 12th position, which is used to process the select tag where no option is selected. The logic of this interceptor is very similar to that of the CheckboxIntercept interceptor, which

ParametersInterceptor the interceptor is at the position of defaultStack 15th. Here we skip an interceptor. First we will talk about ParametersInterceptor, and then we will talk about the third Interceptor. Because the blocker inherits from

Struts configuration file: application/vnd. ms-excel, charset = ISO8859-1 attachment; filename = "$ {downloadFileName}" 1024 excelFile 1. The Chinese file name is not displayed: downloadfilename“ abababc.xls; this time the exported Excel

Due to the introduction of package commands and other processing in JSP, the source code of the rendered page contains many line breaks. There are many ways to solve the problem in the past, such as 1. Pay attention to the format in the source code,

Preface This document describes how to use Tomcat as the j2ee container and Sqlserver2005 as the database. Struts version 2.3.15.3Struts Introduction Struts is an open-source project sponsored by the Apache Software Foundation (ASF. Struts is an

Java code: Public ActionForward add (ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {AddForm addForm = (AddForm) form; ActionErrors errors = new ActionErrors (); try {// get the file to be uploaded

1. the jsp sends a value to the action. The jsp sends the value to the action. 1. form submission method 2. href Method "> Delete Ii. Pass a value to the action in jsp. method accepted by the action 1. Define form attributes in the Action class.

Previously, JSP table template upgrade (1) -- Dynamic specifying methods and parameters using Java reflection has implemented dynamic specifying specific business methods, achieving a certain degree of reusability, however, in actual use, a list

The JSTL tag is used today. When redirecting a tag, I encountered a very bad problem, that is, when I test the tag, I want to test other content, because it is redirected (the browser address will change), it will certainly affect my subsequent

DebuggingInterceptor: the interceptor processes the seventh position of defaultStack. It can be called for debugging. I personally think that although the interceptor contains the most code, it is the most useless Interceptor. This interceptor

Among the three frameworks Spring, Hibernate, and Struts2, the Spring framework is at the core. Compared with the other two frameworks, Spring plays the role of a manager, it incorporates struts2 and hibernate configurations into its own management

Out-of-class questions-JSP FAQsMethod 1 encoding Garbled text: 1 encoding for string Transcoding New String (student. getName (). getBytes (iso8859_1), UTF-8) Disadvantage: you must know the encoding format of the source data. (The request is

 Lesson 3-JSP-useBean usage and Explanation One worker basic element Bean class: 1. there must be an empty constructor. When the JSP element creates the Bean, it will call the empty constructor 2. there cannot be any public instance variables