我无法使用 Spring MVC 3 访问 jsp 页面

我创建了简单的添加实体表单，称为AddContact.jsp

<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<body>
    <h2>Contact information</h2>
    <form:form method="POST" action="contacts/add" modelAttribute="contact">
        <table>
            <tr>
                <td><form:label path="name">Name</form:label></td>
                <td><form:input path="name" /></td>
            </tr>
            <tr>
                <td><form:label path="surname">Surname</form:label></td>
                <td><form:input path="surname" /></td>
            </tr>
            <tr>
                <td><form:label path="phonenumber">Phonenumber</form:label></td>
                <td><form:input path="phonenumber" /></td>
            </tr>
            <tr>
                <td colspan="2"><input type="submit" value="Submit" /></td>
            </tr>
        </table>
    </form:form>
</body>
</html>

这是REST HANDLER-SERVLET.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
   http://www.springframework.org/schema/context
   http://www.springframework.org/schema/context/spring-context-3.0.xsd">
    <context:component-scan base-package="facade.rest" />
    <mvc:annotation-driven />
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>
</beans>

这是web.xml

的servlet映射

<servlet-mapping>
    <servlet-name>rest-handler</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

，最后一个控制器：

package facade.rest;
import java.util.List;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import domain.ContactDO;
import service.IContactService;

@Controller
public class ContactController {
  private IContactService contactService;

  @Required
  public void setContactService(IContactService contactService) {
    this.contactService = contactService;
  }

  @RequestMapping(value = "/contacts", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
  public @ResponseBody ResponseEntity<List<ContactDO>> getContacts() {
    List<ContactDO> contacts = contactService.load();
    if(contacts != null) {
      return new ResponseEntity<>(contacts, HttpStatus.OK);
    }
    else
      return new ResponseEntity<>(HttpStatus.NOT_FOUND);
  }

  @RequestMapping(value = "/contacts/{id:.*}", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
  public @ResponseBody ResponseEntity<ContactDO> getContact(@PathVariable Integer id) {
    ContactDO contact = contactService.loadContact(id);
    if(contact != null) {
      return new ResponseEntity<>(contact, HttpStatus.OK);
    }
    else
      return new ResponseEntity<>(HttpStatus.NOT_FOUND);
  }

  @RequestMapping(value = "/contacts/add", method = RequestMethod.POST)
  public String addContact(@ModelAttribute("contact") ContactDO contact, ModelMap model) {
    model.addAttribute("name", contact.getName());
    model.addAttribute("surname", contact.getSurname());
    model.addAttribute("phonenumber", contact.getPhonenumber());
    //contact.setId(2);
    contactService.store(contact);
    return "contacts";
  }
}

当我尝试从http：//localhost访问：8080/pb/contacts/add(pb是战争的名称(时，我会得到http400。logs告诉我我正在尝试执行get请求。

当我尝试从AT访问时 http：//localhost：8080/pb/contacts/add(pb是战争的名称(我得到http 400.日志告诉我我正在尝试执行get请求。

是对的！您正在使用GET请求尝试/contacts/add，并且请求处理程序无法映射您的请求，因为/contacts/add仅通过POST请求访问。查看您的方法定义：

@RequestMapping(value = "/contacts/add", method = RequestMethod.POST)
  public String addContact(@ModelAttribute("contact") ContactDO contact, ModelMap model) {
}

您需要一个邮政请求才能达到您的方法。

编辑：我想您想使用/contacts/add方法编辑联系人。如果是这种情况，请首先致电/contacts/{id:.*}，其中id是您的ID。然后，您可以通过提交编辑来进行编辑并发送帖子。这就是您到达/contacts/add页面的方式。

如果您不知道任何id，请首先致电http：//localhost：8080/pb/联系人为您的联系人。您的意愿(希望(找到您的联系人进行编辑。

编辑**：在您的休息客户端，您是否尝试过将请求类型更改为 POST？

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