<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 启用Spring 基于annotation 的DI 使用户可以在Spring MVC中使用Spring的强大功能
激活@Request @Autowired JSR 250's @PostConstruct,@PreDestory and @Resource等标
-->
<context:annotation-config />
<!-- 开启扫描只扫描controlle的注解 -->
<context:component-scan base-package="top.yunduo2018.taskchain.controller" />
<!-- 扩充了注解驱动 可以将参数绑定到控制器参数 -->
<mvc:annotation-driven />
<!-- DispatcherServlet不处理静态资源,交给服务器默认的servlet处理 -->
<mvc:default-servlet-handler />
<!-- HandlerMapping 无需配置 SpringMVC默认启动
DefaultAnnotationHandlerMapping annotation-drivern HandlerMapping
-->
</beans>
controller 层代码
package top.yunduo2018.taskchain.controller;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Repository;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import top.yunduo2018.taskchain.common.ReturnMessage;
import top.yunduo2018.taskchain.entity.UserInfoEntity;
import top.yunduo2018.taskchain.service.UserInfoService;
@Controller
@Repository(value = "/user/*")
public class UserInfoController {
@Autowired
UserInfoService userInfoservice;
/*
* 访问路径....项目名/user/userLogin
* post请求
* @param UserInfoEntity实体类的数据类型
* return Map<String,Object>
* */
@ResponseBody
@RequestMapping(value="userLogin.do",method = RequestMethod.POST)
public Map<String,Boolean> userLogin(UserInfoEntity user){
boolean res=userInfoservice.isExistUser(user);
return ReturnMessage.returnMsg("success", res);
}
/*
* 访问路径....项目名/user/userRegister
* post请求
* @param UserInfoEntity实体类的数据类型
* return Map<String,Object>
* */
@ResponseBody
@RequestMapping(value="userRegister.do",method = RequestMethod.POST)
public String userRegister(UserInfoEntity user){
/*boolean res=userInfoservice.register(user);
return ReturnMessage.returnMsg("success", res);*/
return "success";
}
}
tomcat 启动的时候没有报错
http://localhost:80/TaskChain/user/userRegister.do
访问接口的时候
就报以下异常
javax.servlet.ServletException: No adapter for handler [top.yunduo2018.taskchain.controller.UserInfoController@1600c14a]: The DispatcherServlet configuration needs to include a HandlerAdapter that supports this handler
at org.springframework.web.servlet.DispatcherServlet.getHandlerAdapter(DispatcherServlet.java:1272)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1021)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
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