目标：用最少的东西，搭建可以运行的最最基础的springmvc登陆校验项目！
spring 4
1.首先配置pom.xml引入spring 相关jar， 引用都有注释， 无关的可以暂时不引用。
我要评论<project xmlns="http://maven.apache.org/pom/4.0.0" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"
xsi:schemalocation="http://maven.apache.org/pom/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelversion>4.0.0</modelversion>
<groupid>com.gof</groupid>
<artifactid>gof-web</artifactid>
<packaging>war</packaging>
<version>0.0.1-snapshot</version>
<name>gof-web</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceencoding>utf-8</project.build.sourceencoding>
<springversion>4.3.0.release</springversion>
<jacksonversion>2.9.3</jacksonversion>
<mybatisversion>3.4.4</mybatisversion>
<mybatisspringversion>1.3.0</mybatisspringversion>
<c3p0version>0.9.5.2</c3p0version>
<mysqlversion>5.1.38</mysqlversion>
<slf4jversion>1.7.21</slf4jversion>
<log4jversion>1.2.17</log4jversion>
<jstlversion>1.2</jstlversion>
<servletapiversion>3.1.0</servletapiversion>
<junitversion>4.12</junitversion>
</properties>
<dependencies>
<!--junit 测试开始-->
<dependency>
<groupid>junit</groupid>
<artifactid>junit</artifactid>
<version>${junitversion}</version>
<scope>test</scope>
</dependency>
<!--junit 测试结束-->
<!--slf4j + log4j日志依赖 开始-->
<dependency>
<groupid>org.slf4j</groupid>
<artifactid>slf4j-api</artifactid>
<version>${slf4jversion}</version>
</dependency>
<dependency>
<groupid>org.slf4j</groupid>
<artifactid>slf4j-log4j12</artifactid>
<version>${slf4jversion}</version>
</dependency>
<dependency>
<groupid>log4j</groupid>
<artifactid>log4j</artifactid>
<version>${log4jversion}</version>
</dependency>
<!--slf4j + log4j日志依赖 结束-->
<!--javaee web容器提供 开始-->
<dependency>
<groupid>javax.servlet</groupid>
<artifactid>javax.servlet-api</artifactid>
<version>${servletapiversion}</version>
<scope>provided</scope>
</dependency>
<!--javaee web容器提供 开始-->
<!--jsp 常用标签库依赖 开始-->
<dependency>
<groupid>javax.servlet</groupid>
<artifactid>jstl</artifactid>
<version>${jstlversion}</version>
<scope>runtime</scope>
</dependency>
<!--jsp 常用标签库依赖 结束-->
<!-- springmvc模块依赖 开始-->
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-webmvc</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>com.fasterxml.jackson.core</groupid>
<artifactid>jackson-databind</artifactid>
<version>${jacksonversion}</version>
</dependency>
<!-- springmvc模块依赖 结束-->
<!-- mybatis模块依赖 开始-->
<dependency>
<groupid>org.mybatis</groupid>
<artifactid>mybatis</artifactid>
<version>${mybatisversion}</version>
</dependency>
<dependency>
<groupid>org.mybatis</groupid>
<artifactid>mybatis-spring</artifactid>
<version>${mybatisspringversion}</version>
</dependency>
<!-- mybatis模块依赖 结束-->
<!--c3p0 数据库连接池依赖 开始-->
<dependency>
<groupid>com.mchange</groupid>
<artifactid>c3p0</artifactid>
<version>${c3p0version}</version>
</dependency>
<!--c3p0 数据库连接池依赖 结束-->
<!--jdbc 驱动依赖 开始 -->
<dependency>
<groupid>mysql</groupid>
<artifactid>mysql-connector-java</artifactid>
<version>${mysqlversion}</version>
</dependency>
<!--jdbc 驱动依赖 结束 -->
<!--spring常用模块依赖 开始-->
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-aop</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-aspects</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-beans</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-context</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-context-support</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-core</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-jdbc</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-orm</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-tx</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-test</artifactid>
<version>${springversion}</version>
</dependency>
<dependency>
<groupid>org.springframework</groupid>
<artifactid>spring-web</artifactid>
<version>${springversion}</version>
</dependency>
<!--spring常用模块依赖结束-->
</dependencies>
</project>
2.配置web.xml， 这里使用servlet3.1, 配置相关的applicationcontext.xml， 这里是监听spring, 以及引用spring-mvc.xml
<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"
xsi:schemalocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!-- *** 初始化spring容器开始 *** -->
<listener>
<listener-class>org.springframework.web.context.contextloaderlistener</listener-class>
</listener>
<context-param>
<param-name>contextconfiglocation</param-name>
<param-value>classpath:applicationcontext.xml</param-value>
</context-param>
<!-- === 初始化spring容器结束 === -->
<!-- *** 初始化springmvc开始 *** -->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.dispatcherservlet</servlet-class>
<init-param>
<param-name>contextconfiglocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- === 初始化springmvc结束 === -->
</web-app>
3. 配置 applicationcontext.xml, 这里仅配置spring组件扫描，后期其他再继续配置
<?xml version="1.0" encoding="utf-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 注解扫描：扫描@component,@service,@repository等注解,指定com.gof -->
<context:component-scan base-package="com.gof" />
<!-- <context:annotation-config />仅能够在已经在已经注册过(applicationcontext)的bean上面起作用。-->
</beans>
4.配置spring-mvc.xml, 配置了注解，以及指定扫描的包， 以及指定spring mvc返回的文件目录格式等
<?xml version="1.0" encoding="utf-8"?>
<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"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- spring mvc注解：@controller,@requestmapping等 -->
<mvc:annotation-driven/>
<!-- 对进入dispatcherservlet的url进行筛查，如果发现是静态资源的请求，就将该请求转由web应用服务器默认的servlet处理，如果不是静态资源的请求，才由dispatcherservlet继续处理。 -->
<mvc:default-servlet-handler/>
<!-- 指定spring mvc 返回的文件格式后缀，目录， 也可以不指定，就进行移除-->
<bean class="org.springframework.web.servlet.view.internalresourceviewresolver">
<property name="viewclass" value="org.springframework.web.servlet.view.jstlview"/>
<property name="prefix" value="/web-inf/"/>
<property name="suffix" value=".html"/>
<property name="contenttype" value="text/html"/>
</bean>
<!--只扫描@controller注解类,否则影响事务-->
<context:component-scan base-package="com.gof" use-default-filters="false">
<context:include-filter type="annotation" expression="org.springframework.stereotype.controller"/>
</context:component-scan>
</beans>
5. 创建user.java
package com.gof.domain;
import java.io.serializable;
public class user implements serializable{
private static final long serialversionuid = 1l;
private string userid;
private string username;
private string password;
private string sex;
private int age;
public string getuserid() {
return userid;
}
public void setuserid(string userid) {
this.userid = userid;
}
public string getusername() {
return username;
}
public void setusername(string username) {
this.username = username;
}
public string getpassword() {
return password;
}
public void setpassword(string password) {
this.password = password;
}
public string getsex() {
return sex;
}
public void setsex(string sex) {
this.sex = sex;
}
public int getage() {
return age;
}
public void setage(int age) {
this.age = age;
}
}
6.创建接口:iuserservice
package com.gof.service;
import com.gof.domain.user;
public interface iuserservice {
public user getuserbyusername(string username);
}
7.创建实现类：userservice， 这里没有使用到数据，所以数据暂时写固定
package com.gof.service;
import java.util.hashmap;
import java.util.map;
import org.springframework.stereotype.component;
import com.gof.domain.user;
@component
public class userservice implements iuserservice{
/**
* 取user
*/
@override
public user getuserbyusername(string username) {
map<string, user> usermap = new hashmap<string, user>();
//假设username唯一
user usera = new user();
usera.setuserid("xxafsfdxafdsafds");
usera.setusername("jihy");
usera.setpassword("123456");
user userb= new user();
usera.setuserid("xxafsfdxafdsafds");
userb.setusername("jihy2");
userb.setpassword("123456");
usermap.put(usera.getusername(), usera);
usermap.put(userb.getusername(), userb);
return usermap.get(username);
}
}
8.控制层：usercontroller.java
package com.gof.controller;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.stereotype.controller;
import org.springframework.web.bind.annotation.requestmapping;
import org.springframework.web.bind.annotation.requestparam;
import org.springframework.web.bind.annotation.responsebody;
import com.gof.domain.jsonresponse;
import com.gof.domain.user;
import com.gof.service.iuserservice;
@controller
public class logincontroller {
@autowired
private iuserservice userservice;
/**
* 登陆主页
* @return
*/
@requestmapping(value="/loginindex")
public string loginindex(){
return "loginindex";
}
/**
* 验证登陆请求
* @param username
* @param password
* @return
*/
@requestmapping(value="/login")
@responsebody
public jsonresponse login(@requestparam string username, @requestparam string password){
jsonresponse response = new jsonresponse();
response.setstatus("error");
user user = userservice.getuserbyusername(username);
if (user == null) {
return response;
}
if (!password.equals(user.getpassword())) {
return response;
}
response.setstatus("success");
return response;
}
}
9.返回对象：jsonresponse.java
package com.gof.domain;
import java.io.serializable;
public class jsonresponse implements serializable{
private static final long serialversionuid = 1l;
private string status;
private object result;
public string getstatus() {
return status;
}
public void setstatus(string status) {
this.status = status;
}
public object getresult() {
return result;
}
public void setresult(object result) {
this.result = result;
}
}
10.l登陆主页：login
<html>
<head>
<script type="text/javascript" src="./static/js/lib/jquery/jquery-1.8.2.js"></script>
</head>
<body>
<h2>hello world!</h2>
<form name="loginform">
<input type="input" name="username" id="username" value="jihy"/>
<input type="password" name="password" id="password" value="123456"/>
<input type="button" name="提交"/>
</form>
</body>
<script type="text/javascript">
alert($("form").serialize());
$(function(){
$.ajax({
type:"post",
url: "./login",
data: $("form").serialize(),
success: function(data){
alert(json.stringify(data));
}});
})
</script>
</html>
11.引用了jquery插件：
12：完成， 使用上面代码， 可以运行的项目！
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