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ssm框架:基础篇

ssm框架:基础篇

作者: laidian | 来源:发表于2016-08-13 22:56 被阅读93次

    ssm框架

    基础部分

    • web.xml配置
    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.4"
             xmlns="http://java.sun.com/xml/ns/j2ee"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
        <display-name>myssm</display-name>
    
        <welcome-file-list>
            <welcome-file>index.jsp</welcome-file>
        </welcome-file-list>
    
        <!-- Spring和mybatis的配置文件 -->
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/applicationContext*.xml</param-value>
        </context-param>
    
        <!-- spring监听器 -->
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
    
        <!-- 防止spring内存溢出监听器,比如quartz -->
        <listener>
            <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
        </listener>
    
        <!-- 配置SESSION超时,单位是分钟 -->
        <session-config>
            <session-timeout>15</session-timeout>
        </session-config>
    
        <!-- 编码过滤器 -->
        <filter>
            <filter-name>encodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <async-supported>true</async-supported>
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>encodingFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    
        <!-- Spring MVC servlet -->
        <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:spring/spring-mvc.xml</param-value>
            </init-param>
            <!--随服务器启动-->
            <load-on-startup>1</load-on-startup>
        </servlet>
        <servlet-mapping>
            <servlet-name>SpringMVC</servlet-name>
            <!-- 此处可以可以配置成 *.do ,对应struts的后缀习惯 -->
            <url-pattern>/</url-pattern>
        </servlet-mapping>
    
    </web-app>
    

    springmvc模版赋值4种方法

        @RequestMapping("/model1")
        public String model1(ModelMap modelMap, Model model, Map<String,User> u3,@ModelAttribute("u4") User u4){
    
            modelMap.addAttribute("u1",new User("01","King","t;stmdtkg"));
    
            model.addAttribute("u2",new User("02","King","t;stmdtkg"));
    
            u3.put("u3",new User("03","King","t;stmdtkg"));
    
            u4.setName("04");
            return "index/model";
        }
    

    待续。。。

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