ASP

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

StaticParametersInterceptor: the interceptor is in the defaultStack 13th position. It is used to fill in the static parameters configured for Action in the struts2 configuration file through the tag configuration. If Action implements the

ActionMappingParametersInteceptor the ActionMappingParametersInteceptor interceptor is in the defaultStack 14th position. The interceptor inherits from ParametersInterceptor and is also used to set parameters to ValueStack, except that the

The ultworkflowinterceptor interceptor is at the position of defaultStack 18th. It is the last interceptor in the defastack stack interceptor stack. Its main function is to determine whether the execution process of the current Action is incorrect,

Summary: The Interceptor is a very important component of struts2 and an extremely subtle part of struts2. Many functions of struts2 are implemented through these interceptors, such as exception handling, file Upload request parameter assignment,

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

Some tables that display information are used in the project. The table header is not fixed and the table content is retrieved from the background instantly. Considering the reusability, I wrote a table template using jsp, you can obtain the List

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

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

ScopedModelDrivenInterceptor: the interceptor is in the eighth position of defaultStack. Its main function is to retrieve the corresponding model settings from the specified scope to the Action. This class has three related attributes: scope: where

We know that the double type will involve precision loss during processing, for example, double d = 100*1.005; the result of result d is 100.49999999999999. How can this problem be solved by DecimalFormat, it is used to round the double type as

The StrutsConversionErrorInterceptor interceptor is at the position of defastack stack 16th and is used to handle type conversion errors. The interceptor inherits from ConversionErrorInterceptor and most of its functional logic is in

In the past, the web Development page layer was basically used. Recently, the webpage Layer Technology of the company's java project was velocity. I heard that jsp is going to be eliminated, and I do not know whether it is true or false, but I still

To implement JSONP cross-origin access, you must first understand what is cross-origin? What is the relationship between JSONP and JSON? 1. What is cross-origin? Cross-Domain simply means that the program under one domain name interacts with the

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

Today, we will select radio by default based on the parameter. After finding the data in js for a long time on the Internet and then calling it after loading the page, the result will not work for more than one hour-The js function is not called.

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