Spring，Spring MVC，MongoDB实现登录注册

Spring，Spring MVC，MongoDB实现登录注册

工程目录：

Spring配置文件：

<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:mongo="http://www.springframework.org/schema/data/mongo"    
          xsi:schemaLocation="http://www.springframework.org/schema/context     
          http://www.springframework.org/schema/context/spring-context-3.0.xsd     
          http://www.springframework.org/schema/data/mongo     
          http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd     
          http://www.springframework.org/schema/beans     
          http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">     
      <!-- 开启自动注入，进行包扫描 -->
      <context:component-scan base-package="com" />
        <mongo:mongo host="127.0.0.1" port="27017"/>  
      
      <!-- 配置MongoTemplate-->
       <bean id="mongoTemplate" class="org.springframework.data.document.mongodb.MongoTemplate">     
        <constructor-arg ref="mongo"/>  
        <!-- 指定数据库名字-->   
        <constructor-arg name="databaseName" value="data1"/>     
      </bean>   
      
       <!-- 映射转换器，扫描back-package目录下的文件，根据注释，把它们作为mongodb的一个collection的映射 -->    
      <mongo:mapping-converter base-package="com.model" />  
      
       <!--普通注入-->  
     <bean id="userDaoImpl" class="com.userdaoimpl.UserDaoImpl">     
        <property name="mongoTemplate" ref="mongoTemplate"></property>     
    </bean>     
      
     <context:annotation-config />  
     
      <bean
		class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
	<!-- 配置视图解析器，将ModelAndView及字符串解析为具体的页面 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/" />
		<property name="suffix" value=".jsp" />
	</bean>
	
	
	
</beans>

Web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
  <display-name></display-name>	
  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>
  
   <servlet>
  	<servlet-name>spring</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:applicationContext.xml</param-value>
  	</init-param>
  </servlet>
  <servlet-mapping>
  	<servlet-name>spring</servlet-name>
  	<url-pattern>/</url-pattern>
  </servlet-mapping>
  <!-- 统一字符编码 -->
  <filter>
  	<filter-name>encoding</filter-name>
  	<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  	<init-param>
  		<param-name>encoding</param-name>
  		<param-value>UTF-8</param-value>
  	</init-param>
  </filter>
  
  <filter-mapping>
  	<filter-name>encoding</filter-name>
  	<url-pattern>*.do</url-pattern>
  </filter-mapping>
</web-app>

Model层：

package com.model;

import org.springframework.data.annotation.Id;
import org.springframework.data.document.mongodb.mapping.Document;


@Document(collection = "p3")  
public class User {
	@Id
	String name;
	String password;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
	
	
}

UserDao:

package com.userdao;

import com.model.User;

public interface UserDao {
	public void insert(User user);
	public boolean find(String name,String password);
	public void save(User user);
		
	
}

UserDaoImpl:

package com.userdaoimpl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.document.mongodb.MongoTemplate;
import org.springframework.data.document.mongodb.query.Criteria;
import org.springframework.data.document.mongodb.query.Query;

import com.model.User;
import com.userdao.UserDao;

public class UserDaoImpl implements UserDao{
	
	@Autowired
	MongoTemplate mongoTemplate;
	
	@Override
	public void insert(User user) {
		getMongoTemplate().insert(user);
		
	}
	
	
	
	@Override
	public boolean find(String name, String password) {
		Criteria criteria=Criteria.where("name").is(name).and("password").in(password);
		User user = getMongoTemplate().findOne(new Query(criteria), User.class);
		if (user==null) {
			return false;
		}
		return true;
	}

	

	@Override
	public void save(User user) {
		getMongoTemplate().save(user);
		
	}



	public MongoTemplate getMongoTemplate() {
		return mongoTemplate;
	}

	public void setMongoTemplate(MongoTemplate mongoTemplate) {
		this.mongoTemplate = mongoTemplate;
	}
	
	
	
}

LoginController:

package com.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.userdaoimpl.UserDaoImpl;


@Controller
public class LoginController {
	@Autowired
	UserDaoImpl userDaoImpl;
	
	
	@RequestMapping("/login")
	public String login(String name,String password,Model model) {
		boolean rs = userDaoImpl.find(name, password);
		if (rs==true) {
			return "index";
		}
		return "erro";
		
	}


	public UserDaoImpl getUserDaoImpl() {
		return userDaoImpl;
	}


	public void setUserDaoImpl(UserDaoImpl userDaoImpl) {
		this.userDaoImpl = userDaoImpl;
	}
}

RegisterController:

package com.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.model.User;
import com.userdaoimpl.UserDaoImpl;


@Controller
public class RegisterController {
	@Autowired	
	UserDaoImpl userDaoImpl;
	@RequestMapping("/register")
	public String register(String name,String password,Model model) {
			User user = new User();
			user.setName(name);
			user.setPassword(password);
			userDaoImpl.save(user);
			return "login";
	}
	public UserDaoImpl getUserDaoImpl() {
		return userDaoImpl;
	}
	public void setUserDaoImpl(UserDaoImpl userDaoImpl) {
		this.userDaoImpl = userDaoImpl;
	}
	
	
	
}