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The configuration file differs greatly from the way annotations are, with many more configuration items.
Beans2.xml
Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance" xmlns:context= "Http://www.springframework.org/schema/context"xmlns:aop= "HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP"Xsi:schemalocation= "Http:/
Beans : The root node of the XML file.xmlns : the abbreviation for XML namespace, because the tag name of the XML file is customized, and the tags that are written by yourself and others are likely to be named repeatedly, but the functions are different. So you need to add a namespace to differentiate this
One of the two most important features of spring is the aspect-oriented programming, the following example is the simplest spring AOP,AOP based on the XML configuration file some of the terms I would not say, or direct operation of the intuitiveOne, MAVEN relies on Se
1, the introduction of Spring.jar package.
2, write code
Description: These classes and XML configuration files are in the same package "Springtest"
Interface Class Tinterface.java
Public interface Tinterface {Public String getName ();}
Interface Implementation Class Timpl.java
public class Timpl implements tinterface{
Public String GetName () {Return ' This is Spring
Today, in the case of a network disconnection, the spring Applicationcontext.xml file begins with a red forkThe root cause of the problem is that the. xsd file cannot be foundLocate the Spring-beans-4.0.5.release jar file and unzip it into the
In general, we will write some configuration information to the configuration file in order to make changes to some points of the program without modifying the source code. Here's a way to read the XML configuration file in
annotation, you need to modify the source program. Therefore, annotations are only applicable to fixed dependencies. If the dependency needs to be adjusted during deployment, it is easy to use the xml configuration method. After all, you only need to modify the XML file.
In actual use, we can use both
Today, in the case of a network disconnection, the spring Applicationcontext.xml file begins with a red forkXML version= "1.0" encoding= "UTF-8"? >The root cause of the failure is that the. xsd file cannot be foundLocate the Spring-beans-4.0.5.release jar file. Unzip it into
Web. Xml the way the spring configuration file is loaded depends mainly on the name of the profile and the location in which it is stored, and there are two main ways.1. If the spring configuration
Method one using Setter method Package Com.swift; Public class Book { private String bookname; Public void Setbook (String bookname) { this. BookName= bookname; } @Override public String toString () { return ' book [book= ' + bookname + "]"; }}In the spring framework, it is assumed that the object of the book class cannot be generated directly from the Servlet class, and that the property values of string bookname
class cat{} public
class Animals {
private cat cat;
Omit Sertter/getter ...
}defined in the XML configuration file
To create a container validation
This throws the following exception message:
Org.springframework.beans.factory.NoUniqueBeanDefinitionException:No qualifying Bean of type ...
Does this mean that
Attribute overview in [Html]View plaincopy
Xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance"
Xsi: schemaLocation = "http://www.springframework.org/schema/beans
Http://www.springframework.org/schema/beans/spring-beans.xsd>
Beans -- root node of the xml file.
Xmlns -- the abbreviation of XML NameSpace, bec
Spring injects attributes according to the XML configuration file p namespace, springxml
The class code for generating objects and injecting attributes through namespaces is as follows:
package com.swift;public class User { private String userName; public void setUserName(String userName) { this.userNa
IbatisHow to set the first to import his related package into the project the following connection database is definitely used to drive this is the MySQL driver, connected pool to connect to the connection pool Commons-pool.jar, the data source used to Commons-dbcp.jar,ibatis jar package, Ibatis-sqlmap.jarIbatis has two profiles, the total configuration file Sqlmapconfig.xml and xxx.xml corresponds to a do
Based on Java configuration options, you can write most of the spring without configuration XML, but with the help of several Java-based annotations explained. Starting with Spring3.0, we support the use of Java code instead of XML to configure
In Spring, inheritance is used to set up a bean for a support bean to share a common value, property, or configuration. A child bean or inherited bean can inherit the configuration, pro
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