spring 参数解析器 | 易学教程

package com.tgb.web.controller;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;

public class helloWorldController extends MultiActionController {

public ModelAndView show(HttpServletRequest arg0,
   HttpServletResponse arg1) throws Exception {
  // TODO Auto-generated method stub

  String hello="成功";
  Map<String,Object> result = new HashMap<String,Object>();

  result.put("1", "第一");
  result.put("2", "第二");
  //return new ModelAndView("/welcome","hello",hello);

  return new ModelAndView("/welcome","result",result);


}

public ModelAndView add(HttpServletRequest arg0,
   HttpServletResponse arg1) throws Exception{

  String multi="多方法";
    return new ModelAndView("/multi1","multi",multi);


}

}

springAnnotation-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:mvc="http://www.springframework.org/schema/mvc"
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-3.0.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

    <bean name="/test/helloworld" class="com.tgb.web.controller.helloWorldController">
       <property name="methodNameResolver" ref="paramMethodResolver"></property>
    </bean>

    <bean id="paramMethodResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">

      <property name="paramName" value="action"></property>
    </bean>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  <property name="prefix" value="/"></property>
  <property name="suffix" value=".jsp"></property>
</bean>

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <property name="defaultEncoding" value="utf-8" />
       <property name="maxUploadSize" value="10485760000" />
       <property name="maxInMemorySize" value="40960" />
</bean>
</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>springMVC1</display-name>
<welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
</welcome-file-list>

<context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath*:config/springAnnotation-*.xml</param-value>
</context-param>

<servlet>
<servlet-name>springMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  <init-param>
   <param-name>contextConfigLocation</param-name>
   <param-value>classpath*:config/springAnnotation-servlet.xml</param-value>
  </init-param>
<load-on-startup>1</load-on-startup>
</servlet>

  <filter>
  <filter-name>encodingFilter</filter-name>
  <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  <init-param>
   <param-name>encoding</param-name>
   <param-value>UTF-8</param-value>
  </init-param>
  <init-param>
   <param-name>forceEncoding</param-name>
   <param-value>true</param-value>
  </init-param>
</filter>

<filter-mapping>
  <filter-name>encodingFilter</filter-name>
  <url-pattern>/*</url-pattern>
</filter-mapping>

<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

</web-app>

http://localhost:8080/springMVC1/test/helloworld?action=show

来源：https://www.cnblogs.com/zewentdcq/p/3916308.html

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servlet