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本篇內容介紹了“如何搭建SpringMVC實現子上下文啟動”的有關知識，在實際案例的操作過程中，不少人都會遇到這樣的困境，接下來就讓小編帶領大家學習一下如何處理這些情況吧！希望大家仔細閱讀，能夠學有所成！
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.hqt.toy</groupId>
<artifactId>toy01</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>6</source>
<target>6</target>
</configuration>
</plugin>
</plugins>
</build>
<packaging>war</packaging>
<properties>
<spring.version>4.3.7.RELEASE</spring.version>
<tomcat.embed.version>8.0.28</tomcat.embed.version>
</properties>
<dependencies>
<!-- servlet api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
</dependency>
<!-- jsp-api -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<!-- springMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!--hibernate (非必須)-->
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.1.Final</version>
</dependency>
<!-- 嵌入式tomcat依賴 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-core</artifactId>
<version>${tomcat.embed.version}</version>
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<version>${tomcat.embed.version}</version>
<!--<scope>provided</scope>-->
</dependency>
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-logging-juli</artifactId>
<version>${tomcat.embed.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.8</version>
</dependency>
</dependencies>
</project>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" 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"> <servlet> <!-- 配置核心控制器 --> <servlet-name>springmvc</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <!-- 定義加載的xml文件 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/dispatcher-servlet.xml</param-value> </init-param> <!-- 啟動時加載 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> </web-app>
dispatcher-servlet.xml
<?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-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"> <!-- 對web包中的所有類進行掃描，以完成Bean創建和自動依賴注入的功能 --> <context:component-scan base-package="com.hqt.toy.**"/> <!-- 啟動Spring MVC的注解功能，完成請求和注解POJO的映射 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/> <!--對模型視圖名稱的解析，即在模型視圖名稱添加前后綴 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:suffix=".jsp"/> </beans>
TestUserController
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
@RequestMapping("/test_user.do")
public class TestUserController{
@Autowired
private TestUserService userService;
@RequestMapping(params="method=user")
public String user(TestUserEntity user, String uname, ModelMap modelMap){
System.out.println("獲取前臺的值:"+user.getUname());
System.out.println("String uname:"+uname);
modelMap.addAttribute("newname", user.getUname());
userService.add(user.getUname());
return "index";
}
}TestUserEntity(非必須)
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class TestUserEntity {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private int id;
private String uname;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUname() {
return uname;
}
public void setUname(String uname) {
this.uname = uname;
}
}TestUserService(非必須)
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
@Service
public class TestUserService {
@Resource
private TestUserDao userDao;
public void add(String uname) {
System.out.println("UserService.add()");
TestUserEntity user = new TestUserEntity();
user.setUname(uname);
userDao.add(user);
}
}TestUserDao(非必須)
import org.springframework.stereotype.Repository;
@Repository
public class TestUserDao {
public void add(TestUserEntity user){
System.out.println("TestUserDao.add()");
}
}index.jsp
<form action="test_user.do">
用戶名:<input type="text" name="uname" ><br/>
<input type="hidden" name="method" value="user"/>
<input type=submit value="提交"/>
</form>
<span>返回的用戶名：${newname}</span>“如何搭建SpringMVC實現子上下文啟動”的內容就介紹到這里了，感謝大家的閱讀。如果想了解更多行業相關的知識可以關注億速云網站，小編將為大家輸出更多高質量的實用文章！
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