springMVC配置和使用

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----web.xml配置----

<servlet
  <servlet-name>springMVC</servlet-name
  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class
  <!-- 
可以自定义servlet.xml配置文件的位置和名称,默认为WEB-INF目录下,
名称为[<servlet-name>]-servlet.xml,如spring-servlet.xml 
  <init-param> 
    <param-name>contextConfigLocation</param-name> 
    <param-value>/WEB-INF/spring-servlet.xml</param-value> 默认 
  </init-param> 
  -->

  <load-on-startup>1</load-on-startup
</servlet
  
<servlet-mapping
  <servlet-name>springMVC</servlet-name
  <url-pattern>*.do</url-pattern
</servlet-mapping>

----springMVC-servlet.xml配置----(src下)

spring-servlet这个名字是因为上面web.xml中<servlet-name>标签配的值为springMVC(<servlet-name>springMVC</servlet-name>),再加上“-servlet”后缀而形成的springMVC-servlet.xml文件名。

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:context="http://www.springframework.org/schema/context" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd  
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd  
    http://www.springframework.org/schema/context 

<A href="http://www.springframework.org/schema/context/spring-context-3.0.xsd">
    http://www.springframework.org/schema/context/spring-context-3.0.xsd
</A>"


 <!-- servlet在找不到的时候会去找静态的内容,如jpg,js,css -->
<mvc:default-servlet-handler/>

 <!-- 启用spring mvc 注解 -->

<mvc:annotation-driven/>

  <!-- 设置使用注解的类所在的jar包 -->
  <context:component-scan base-package="controller"></context:component-scan
  
  <!-- 完成请求和注解POJO的映射 -->
  <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /> 
  
  <!-- 对转向页面的路径解析。prefix:前缀, suffix:后缀 -->
 
<beanclass="org.springframework.web.servlet.view.InternalResourceViewResolver"
            id="internalResourceViewResolver">
        <!-- 前缀 -->
        <propertyname="prefix"value="/WEB-INF/jsp/"/>
        <!-- 后缀 -->
        <propertyname="suffix"value=".jsp"/>
</bean>

----使用----

http://localhost:8080/项目名/mvc/hello


@Controller
@RequestMapping("/mvc")
publicclass mvcController {
 
    @RequestMapping("/hello")
@RequestMapping
    publicString hello(String
name
){       
        return"hello";
    }
}

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