本文实例为大家分享了Spring,Spring MVC,MongoDB实现登录注册 的具体代码,供大家参考,具体内容如下
工程目录:
Spring配置文件:
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< 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 >
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Web.xml:
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<? 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 >
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Model层:
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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;
}
}
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UserDao:
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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);
}
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UserDaoImpl:
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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;
}
}
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LoginController:
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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;
}
}
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RegisterController:
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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;
}
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。