springMVC的一个demo
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2022-04-24 10:50:59
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首先到引入jar包 ，懒得分类，直接把下载的spring所有都copy进去了，自己查查各个jar包都是干嘛的。
然后是web.xml文件
<display-name>test1</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--添加spring --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:spring/applicationContext.xml </param-value> </context-param> <!-- springMVC --> <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/springMVC.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- 拦截请求 --> <servlet-mapping> <servlet-name>springMVC</servlet-name> <url-pattern>*.htm</url-pattern> </servlet-mapping>
然后是applicationContext.xml ,这里可以整合其他的东西，需要什么自己写咯……
<?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" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd"> </beans>
然后是springMVC.xml，这才是springMVC的核心配置，demo不用太复杂，简单写写咯
<?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"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
<!-- 启用spring mvc 注解 -->
<context:annotation-config />
<!-- 设置使用注解的类所在的jar包 -->
<context:component-scan use-default-filters="false" base-package="com.gy.controller">
<context:include-filter type="annotation" expression="org.springframework.stereotype.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 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:suffix=".html" />
</beans>好了，配置这些就够用了，然后是前端请求，后端处理了……
前端这样写……
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>springMVC demo</title>
</head>
<body>
<form action="test/test.htm" method="post">
<input type="text" name="name"/>
<input type="submit" value="测试" />
</form>
</body>
</html>接受这样写…… 最后返回的是一个路径，test2.html
@Controller
@RequestMapping("/test")
public class Test {
@RequestMapping("/test.htm")
public String test(@RequestParam("name")String name) {
System.out.println("测试通过 "+name);
return "/test2";
}
}
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