java-springmvc配置

springmvc的jar包保存在百度云盘jar目录下,本例中还有三个jackson的包,都在百度云盘jar目录下。

1.xml配置

  web-app节点下增加

  <!-- 配置SpringMVC前端控制器 -->
  <servlet>
    <servlet-name>springmvc-test</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <!-- 指定SpringMVC配置文件 -->
    <!-- SpringMVC的配置文件的默认路径是/WEB-INF/${servlet-name}-servlet.xml -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:config/springmvc.xml</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc-test</servlet-name>
    <!-- 设置所有以action结尾的请求进入SpringMVC -->
    <url-pattern>*.action</url-pattern>
  </servlet-mapping>

2.src下增加config文件夹(xml配置路径放在config,这个自己随意,xml对应位置就行),config增加springmvc.xml增加内容

  <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"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
  http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!-- 注解驱动 -->
    <mvc:annotation-driven />

    <!-- 自动扫描controller -->
    <context:component-scan base-package="springmvc.controller"/>

    <!-- 配置试图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <!-- 配置逻辑视图的前缀 -->
      <property name="prefix" value="/WEB-INF/jsp/"/>
      <!-- 配置逻辑视图的后缀 -->
      <property name="suffix" value=".jsp"/>
    </bean>
  </beans>

3.controller大概的几种写法

@Controller
@RequestMapping("itme")
public class ItemController {

  /**
  * http://localhost:8080/springmvc1/item/itemList.action
  * @return
  */
  @RequestMapping("/itemList.action")
  public ModelAndView queryItemList() {
    List<Item> list = new ArrayList<>();
    list.add(new Item(1, "张三", 2399, new Date(), "人物1"));
    list.add(new Item(2, "李四", 2399, new Date(), "人物2"));
    list.add(new Item(3, "王五", 2399, new Date(), "人物3"));

    ModelAndView modelAndView=new ModelAndView();
    modelAndView.addObject("itemList", list);
    modelAndView.setViewName("itemList");

    return modelAndView;
  }

  /**
  * http://localhost:8080/springmvc1/item/querylist.action
  * @return
  */
  @RequestMapping("/querylist.action")
  public String querylist() {
    return "itemList";
  }

  /**
  * 返回json,注意引用jackson包,有三个
  * http://localhost:8080/springmvc1/item/query.action
  * @return
  */
  @ResponseBody
  @RequestMapping("/query.action")
  public List<Item> query() {
    List<Item> list = new ArrayList<>();
    list.add(new Item(1, "张三", 2399, new Date(), "人物1"));
    list.add(new Item(2, "李四", 2399, new Date(), "人物2"));
    list.add(new Item(3, "王五", 2399, new Date(), "人物3"));
    return list;
  }
}

4.html就不贴了,看清楚springmvc.xml配置的视图位置就行了

原文地址:https://www.cnblogs.com/sss-justdDoIt/p/9278971.html