Spring+MongoDB实现登录注册功能
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2023-11-21 09:15:58
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...
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:
<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; } }
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。