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SSM，Jqeury, Bootstrap从零打造一个论坛系统

本文原创地址， 我的博客 ： https://jsbintask.cn/2019/03/09/springboot/ssm-jsbintask-bbs/ (食用效果最佳)，转载请注明出处!

前言

今天给大家分享一个以前学习SSM的实战项目，一个使用 springmvc ， mybatis ， jequery ， bootstrap ， ueditor 打造的论坛系统，主要包含论坛主体，后台管理两个部分。

git地址如下： https://github.com/jsbintask22/bbs.git

技术介绍

该系统主要使用服务端主要使用spring，mybatis进行搭建，前端主要为bootstrap，jquery编写的jsp页面，并且集成百度ueditor进行富文本编辑，功能实现，技术点如下：

用户注册 ：用户如若要进行发帖，回帖等操作，必须先注册账号。注册账号使用邮箱进行注册（邮件发送），使用ajax验证邮箱，用户名唯一性。

用户登录 : 用户登录需输入验证码，验证码为请求登陆页面时后台生成图片，记录到session中。

权限验证 ：系统中某些行为必须进行登陆方可操作，所以必须提供同意权限验证，此系统主要使用拦截器（Interceptor）进行用户的权限验证。

用户发帖 ：已登陆的用户可以进行发帖，回帖。提供直接图片，文件上传功能，此处前端使用UEDITOR配合后端文件上传实现。

用户回帖 ：用户可以回复某一帖子，并且可以引用。所以此处设计数据库设计树状结构的表设计。

帖子收藏 ：用户可以收藏喜欢的帖子，并且在个人中心中找到。

用户关注 ：用户可以关注其他用户。

个人信息 ：用户可以查看个人信息，修改维护个人信息，并且设置头像。

帖子管理 ：后台主要功能为对帖子进行维护，可以及时删除，恢复已经存在的帖子。

关键代码讲解

pom文件

<?xml version="1.0" encoding="UTF-8"?>

<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>cn.jsbintask</groupId>
    <artifactId>jsbintask-bbs</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>jsbintask-bbs Maven Webapp</name>
    <url>http://jsbintask.cn</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>

        <org.springframework.version>4.3.10.RELEASE</org.springframework.version>
        <org.mybatis.version>3.4.1</org.mybatis.version>
        <org.mybatis.spring.version>1.3.0</org.mybatis.spring.version>
    </properties>

    <developers>
        <developer>
            <email>jsbintask@gmail.com</email>
            <name>jsbintask</name>
            <url>https://jsbintask.cn</url>
            <roles>
                <role>developer</role>
            </roles>
        </developer>
    </developers>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-servlet-api -->
        <dependency>
            <groupId>org.apache.tomcat</groupId>
            <artifactId>tomcat-servlet-api</artifactId>
            <scope>provided</scope>
            <version>8.5.11</version>
        </dependency>


        <!--spring-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${org.springframework.version}</version>
        </dependency>

        <!-- hibernate验证jar-->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>4.2.0.Final</version>
        </dependency>

        <!--aop实现-->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.7.3</version>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.6.11</version>
        </dependency>

        <!--mybatisjar-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>${org.mybatis.spring.version}</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/jstl/jstl -->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>


        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${org.mybatis.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.7.4</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.7.4</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.13</version>
        </dependency>


        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.7.4</version>
        </dependency>

        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.6</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/log4j/log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>


        <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>javax.servlet.jsp-api</artifactId>
            <version>2.2.1</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>com.baidu</groupId>
            <artifactId>ueditor-mini</artifactId>
            <version>1.0</version>
            <scope>system</scope>
            <systemPath>${project.basedir}/lib/ueditor-mini.jar</systemPath>
        </dependency>

        <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.3.1</version>
        </dependency>

        <dependency>
            <groupId>com.sun.mail</groupId>
            <artifactId>javax.mail</artifactId>
            <version>1.6.2</version>
        </dependency>



    </dependencies>

    <build>
        <finalName>jsbintask-bbs</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

此处值得注意的是，由于百度ueditor未在中央仓库中提供相关jar文件，所以此处为引用本地jar（见项目结构）

web.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">

    <display-name>bbs</display-name>
    <!--配置一个首页-->
    <welcome-file-list>
        <welcome-file>/WEB-INF/jsp/article/index.html</welcome-file>
    </welcome-file-list>

    <!--配置一个参数-->
    <context-param>
        <param-name>path</param-name>
        <param-value>E:/WorkSpaces/Idea workspace/jsbintask-bbs/bbs_imgs/heads</param-value>
    </context-param>

    <context-param>
        <param-name>pageSize</param-name>
        <param-value>10</param-value>
    </context-param>



    <!-- 配置监听器，启动所有配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:config/spring/applicationContext-*.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- 配置过滤器防止乱码 -->
    <filter>
        <filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!--配置一个servlet，拦截所有的请求 -->
    <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:config/spring/springmvc.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>SpringMVC</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <!--配置一个首页-->
    <!--<servlet-mapping>
        <servlet-name>SpringMVC</servlet-name>
        <url-pattern>/topic/all</url-pattern>
    </servlet-mapping>-->
    
    <!--配置一个404的页面 -->
    <error-page>
        <error-code>404</error-code>
        <location>/WEB-INF/jsp/article/404.htm</location>
    </error-page>
    <error-page>
        <error-code>500</error-code>
        <location>/WEB-INF/jsp/article/404.htm</location>
    </error-page>
</web-app>

此处值得注意的是，我们配置了一个 <context-param> 参数，主要用于定义用户上传头像的文件夹

sql脚本

/*
 Navicat Premium Data Transfer

 Source Server         : company_localhsot_root
 Source Server Type    : MySQL
 Source Server Version : 50724
 Source Host           : localhost:3306
 Source Schema         : acm_bbs

 Target Server Type    : MySQL
 Target Server Version : 50724
 File Encoding         : 65001

 Date: 15/01/2019 09:41:14
*/
CREATE DATABASE /*!32312 IF NOT EXISTS*/`jsbintask_bbs` /*!40100 DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci */;
USE `jsbintask_bbs`;

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for admin
-- ----------------------------
DROP TABLE IF EXISTS `admin`;
CREATE TABLE `admin`  (
  `id` int NOT NULL,
  `account` varchar(15) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `password` varchar(15) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of admin
-- ----------------------------
INSERT INTO `admin` VALUES (1, 'admin', '123456');

-- ----------------------------
-- Table structure for article
-- ----------------------------
DROP TABLE IF EXISTS `article`;
CREATE TABLE `article`  (
  `id` int NOT NULL AUTO_INCREMENT,
  `topic_id` int NOT NULL COMMENT '主题帖的id',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '回复的内容',
  `reply_time` datetime NOT NULL COMMENT '回复的时间',
  `user_id` int NOT NULL COMMENT 'userid为该帖子是谁发的',
  `puser_id` int NULL DEFAULT NULL COMMENT '被回复的人的id， 只有当该帖子是引用别人的才有',
  `arefid` int NULL DEFAULT NULL COMMENT '如果该条帖子为引用别人的话，则不为空，并且显示被引用的回复的id',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 44 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of article
-- ----------------------------
INSERT INTO `article` VALUES (1, 1, '<p>test</p>', '2017-06-10 10:59:54', 2, 1, NULL);
INSERT INTO `article` VALUES (2, 1, '<p>test</p>', '2017-06-10 11:00:55', 1, 2, 1);
INSERT INTO `article` VALUES (3, 2, '<p>test</p>', '2017-06-28 11:02:24', 3, 2, NULL);
INSERT INTO `article` VALUES (4, 1, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0002.gif/"/></p>', '2017-06-13 14:36:22', 1, 1, NULL);
INSERT INTO `article` VALUES (5, 1, '<p>在此写上您的回帖</p>', '2017-06-13 14:38:01', 1, 1, NULL);
INSERT INTO `article` VALUES (6, 1, '<p>在此写上您的回帖</p>', '2017-06-13 14:49:32', 1, 1, NULL);
INSERT INTO `article` VALUES (7, 1, '<p>在此写上您的回帖sfgsd</p>', '2017-06-13 14:50:57', 1, 1, NULL);
INSERT INTO `article` VALUES (8, 1, '<p>在此写上您的回帖hhh</p>', '2017-06-13 14:54:55', 1, 1, NULL);
INSERT INTO `article` VALUES (9, 1, '<p>在此写上您的回帖</p>', '2017-06-13 14:58:54', 5, 1, 8);
INSERT INTO `article` VALUES (10, 1, '<p>这是我的回帖<img src=/"http://localhost:8080/umeditor/jsp/upload/20170613/64251497359650753.png/" style=/"width: 652.4px; height: 164.4px;/"/><img src=/"http://img.baidu.com/hi/tsj/t_0003.gif/"/></p>', '2017-06-13 21:14:55', 1, 1, NULL);
INSERT INTO `article` VALUES (11, 2, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/face/i_f18.gif/"/></p>', '2017-06-15 10:27:50', 1, 1, NULL);
INSERT INTO `article` VALUES (12, 6, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/face/i_f14.gif/"/></p>', '2017-06-15 10:45:26', 1, 1, NULL);
INSERT INTO `article` VALUES (13, 6, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0026.gif/"/></p>', '2017-06-15 10:45:58', 1, 1, NULL);
INSERT INTO `article` VALUES (14, 5, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0014.gif/"/></p>', '2017-06-15 10:48:36', 1, 1, NULL);
INSERT INTO `article` VALUES (15, 1, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/bobo/B_0015.gif/"/><img src=/"http://localhost:8080/umeditor/jsp/upload/20170615/85481497500764167.png/"/></p>', '2017-06-15 12:26:06', 1, 1, NULL);
INSERT INTO `article` VALUES (16, 5, '<p style=/"text-align: left;/">在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0002.gif/"/><img src=/"http://localhost:8080/umeditor/jsp/upload/20170616/26781497600431431.png/"/><span class=/"mathquill-embedded-latex/" style=/"width: 24px; height: 33px;/">x^{ }</span></p>', '2017-06-16 16:08:38', 1, 1, NULL);
INSERT INTO `article` VALUES (17, 1, '<p>大家早上好，明天就考试了呢！<img src=/"http://img.baidu.com/hi/bobo/B_0006.gif/"/></p>', '2017-06-18 09:40:12', 5, 1, 15);
INSERT INTO `article` VALUES (18, 6, '<p>test</p>', '2017-06-18 10:15:23', 1, 1, 13);
INSERT INTO `article` VALUES (19, 6, '<p>  Hello</p>', '2017-06-18 10:19:54', 1, 1, NULL);
INSERT INTO `article` VALUES (20, 6, '<p>你好啊，一楼</p>', '2017-06-18 11:00:49', 1, 1, 12);
INSERT INTO `article` VALUES (21, 6, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/face/i_f29.gif/"/></p>', '2017-06-18 11:08:59', 1, 1, 20);
INSERT INTO `article` VALUES (22, 3, '<p>在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0069.gif/"/></p>', '2017-06-18 12:08:38', 3, 3, NULL);
INSERT INTO `article` VALUES (23, 1, '        Hello<img src=/"http://img.baidu.com/hi/jx2/j_0013.gif/"/><p><br/></p>', '2017-06-18 17:04:22', 1, 2, 1);
INSERT INTO `article` VALUES (24, 1, '<p><img src=/"http://localhost:8080/umeditor/jsp/upload/20170618/21841497776701354.png/" style=/"width: 448.4px; height: 213.4px;/"/></p><p>这个不错</p>', '2017-06-18 17:05:42', 1, 1, NULL);
INSERT INTO `article` VALUES (25, 5, '。。。。<img src=/"http://localhost:8080/umeditor/jsp/upload/20170618/98751497778168424.jpg/" width=/"886/" height=/"435/"/><p><br/></p>', '2017-06-18 17:29:36', 1, 1, NULL);
INSERT INTO `article` VALUES (26, 5, '<img src=/"http://localhost:8080/umeditor/jsp/upload/20170618/40371497778647806.png/"/><p><br/></p>', '2017-06-18 17:37:29', 1, 1, NULL);
INSERT INTO `article` VALUES (27, 5, '<p>      <br/></p><p></p>', '2017-06-18 17:44:06', 1, 1, NULL);
INSERT INTO `article` VALUES (28, 10, '<img src=/"http://img.baidu.com/hi/jx2/j_0067.gif/"/><p>你们好</p><p><img src=/"http://localhost:8080/umeditor/jsp/upload/20170620/81441497953824484.png/"/></p><p></p>', '2017-06-20 18:17:08', 9, 9, NULL);
INSERT INTO `article` VALUES (29, 10, '<p>sssssss<br/></p>', '2017-06-20 18:17:50', 9, 9, 28);
INSERT INTO `article` VALUES (30, 10, 'hhhh<img src=/"http://img.baidu.com/hi/jx2/j_0058.gif/"/><p><img src=/"http://localhost:8080/umeditor/jsp/upload/20170621/75931498030185101.png/"/></p>', '2017-06-21 15:29:48', 10, 9, NULL);
INSERT INTO `article` VALUES (31, 6, 'sfsfds<img src=/"http://img.baidu.com/hi/jx2/j_0025.gif/"/><p><br/></p>', '2017-06-21 15:30:19', 10, 1, 19);
INSERT INTO `article` VALUES (32, 12, '<img src=/"http://www.yc5301.cn:8888/umeditor/jsp/upload/20170806/12401501981604981.jpg/"/><p><br/></p>', '2017-08-06 09:06:51', 11, 11, NULL);
INSERT INTO `article` VALUES (33, 12, '<p>test</p>', '2017-08-06 09:07:11', 11, 11, NULL);
INSERT INTO `article` VALUES (34, 12, '<p>test</p>', '2017-08-06 09:07:28', 11, 11, 33);
INSERT INTO `article` VALUES (35, 12, '<img src=/"http://img.baidu.com/hi/jx2/j_0069.gif/"/><p><br/></p>', '2017-08-06 09:37:27', 1, 11, NULL);
INSERT INTO `article` VALUES (36, 12, '<p>test</p>', '2017-08-06 10:05:57', 13, 11, NULL);
INSERT INTO `article` VALUES (37, 12, '<p>test</p>', '2017-08-06 10:06:56', 13, 11, NULL);
INSERT INTO `article` VALUES (38, 12, '<p>test</p>', '2017-08-06 10:07:19', 13, 11, NULL);
INSERT INTO `article` VALUES (39, 12, '<p><img src=/"http://img.baidu.com/hi/jx2/j_0002.gif/"/></p><p><img src=/"http://www.yc5301.cn:8888/umeditor/jsp/upload/20170823/14321503478764152.png/"/></p><p>gsdgsdg</p><p>sdgksdmg</p><p>fdhdf</p>', '2017-08-23 17:00:14', 1, 11, NULL);
INSERT INTO `article` VALUES (40, 12, 'sdfsdf<img src=/"http://img.baidu.com/hi/jx2/j_0037.gif/"/><p><br/></p>', '2017-10-17 19:17:25', 1, 11, NULL);
INSERT INTO `article` VALUES (41, 10, 'sfads<img src=/"http://img.baidu.com/hi/ldw/w_0015.gif/"/><p><img src=/"http://www.yc5301.cn:8888/umeditor/jsp/upload/20171018/56581508337015800.jpg/"/></p>', '2017-10-18 22:30:19', 1, 10, 30);
INSERT INTO `article` VALUES (42, 1, '<img src=/"http://img.baidu.com/hi/jx2/j_0003.gif/"/><p><br/></p>', '2017-10-30 08:36:53', 1, 1, NULL);
INSERT INTO `article` VALUES (43, 12, 'dsv<img src=/"http://img.baidu.com/hi/bobo/B_0026.gif/"/><p><br/></p>', '2017-12-03 15:41:18', 1, 11, NULL);

-- ----------------------------
-- Table structure for attention
-- ----------------------------
DROP TABLE IF EXISTS `attention`;
CREATE TABLE `attention`  (
  `user_id` int NOT NULL COMMENT '关注的用户的id',
  `puser_id` int NOT NULL COMMENT '被关注的用户的id',
  `create_time` datetime NULL DEFAULT NULL,
  PRIMARY KEY (`user_id`, `puser_id`) USING BTREE,
  INDEX `attention_id_pid`(`user_id`, `puser_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of attention
-- ----------------------------
INSERT INTO `attention` VALUES (1, 3, '2017-06-21 12:05:50');
INSERT INTO `attention` VALUES (1, 9, '2017-06-21 15:33:55');

-- ----------------------------
-- Table structure for collect
-- ----------------------------
DROP TABLE IF EXISTS `collect`;
CREATE TABLE `collect`  (
  `user_id` int NOT NULL COMMENT '用户id',
  `topic_id` int NOT NULL COMMENT '帖子id',
  `create_time` datetime NULL DEFAULT NULL,
  PRIMARY KEY (`user_id`, `topic_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of collect
-- ----------------------------
INSERT INTO `collect` VALUES (1, 1, '2017-06-30 17:00:21');
INSERT INTO `collect` VALUES (1, 3, '2017-06-23 17:00:30');
INSERT INTO `collect` VALUES (1, 9, '2017-06-18 17:06:04');
INSERT INTO `collect` VALUES (4, 2, '2017-06-01 17:00:49');
INSERT INTO `collect` VALUES (8, 1, '2017-06-01 17:00:39');

-- ----------------------------
-- Table structure for topic
-- ----------------------------
DROP TABLE IF EXISTS `topic`;
CREATE TABLE `topic`  (
  `id` int NOT NULL AUTO_INCREMENT COMMENT '帖子id',
  `user_id` int NOT NULL COMMENT '发帖人的id',
  `reply_number` int(5) NULL DEFAULT 0 COMMENT '回复的数量',
  `topic` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '帖子主题',
  `content` longtext CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '帖子的内容',
  `create_time` datetime NOT NULL COMMENT '发帖的时间',
  `flag` int(1) NOT NULL DEFAULT 1 COMMENT '帖子的状态，1表示正常，0表示已被删除',
  `isindex` int(1) NULL DEFAULT 0 COMMENT '精品帖子，1表示精品，0表示默认',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 14 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of topic
-- ----------------------------
INSERT INTO `topic` VALUES (1, 1, 14, '骑士获得总冠军', '2017骑士逆转勇士获得总冠军', '2017-06-10 10:57:49', 1, 1);
INSERT INTO `topic` VALUES (2, 1, 1, 'Spring最新源码解析', '深入解析Spring源码及原理', '2017-06-01 10:58:58', 1, 1);
INSERT INTO `topic` VALUES (3, 3, 1, '无话可说', '哈哈', '2017-06-01 12:07:06', 1, 0);
INSERT INTO `topic` VALUES (4, 1, 0, 'saf', '<p>在此写上您的回帖<img src=/"http://localhost:8080/umeditor/jsp/upload/20170612/39591497268654983.png/"/><img src=/"http://img.baidu.com/hi/jx2/j_0002.gif/"/></p>', '2017-06-12 19:57:39', 1, 0);
INSERT INTO `topic` VALUES (5, 1, 5, 'Spring完全源码解析之AOP', '<p style=/"text-align: left;/">详情请参考我的博客！<img src=/"http://img.baidu.com/hi/bobo/B_0003.gif/"/></p><p style=/"text-align: left;/"><img src=/"http://localhost:8080/umeditor/jsp/upload/20170613/1301497339765182.png/"/></p>', '2017-06-13 15:42:48', 1, 1);
INSERT INTO `topic` VALUES (6, 1, 7, '这是一条测试帖子', '<p style=/"text-align: center;/">Hello from jsbintask@gmail.com。<img src=/"http://img.baidu.com/hi/babycat/C_0016.gif/"/></p>', '2017-06-13 21:16:07', 1, 1);
INSERT INTO `topic` VALUES (7, 1, 0, 'safds', '<p style=/"text-align: center;/">在此写上您的回帖<img src=/"http://img.baidu.com/hi/jx2/j_0058.gif/"/></p>', '2017-06-15 12:26:59', 1, 0);
INSERT INTO `topic` VALUES (8, 5, 0, 'Mybatis3.0后的一个小Bug', '<p>加入po中有一个名字是属于符合属性的，mybatis会按照反射机制，先把属性都转化为小写，然后找到对应的get和set方法，因此打字方法找不到！<img src=/"http://img.baidu.com/hi/jx2/j_0070.gif/"/></p>', '2017-06-18 09:42:18', 1, 0);
INSERT INTO `topic` VALUES (9, 8, 0, 'Hello,欢迎你们', '<p>在此写上您的内容<img src=/"http://img.baidu.com/hi/jx2/j_0068.gif/"/></p>', '2017-06-18 14:08:31', 1, 0);
INSERT INTO `topic` VALUES (10, 9, 4, 'Hello，jsbintask', '<p><img src=/"http://img.baidu.com/hi/jx2/j_0060.gif/"/>, <img src=/"http://localhost:8080/umeditor/jsp/upload/20170620/71161497953710481.jpg/" width=/"405/" height=/"391/"/></p>', '2017-06-20 18:15:24', 1, 0);
INSERT INTO `topic` VALUES (11, 1, 0, 'safsf', '<p>在此写上您的内容<img src=/"http://img.baidu.com/hi/jx2/j_0047.gif/"/></p>', '2017-06-21 15:31:07', 0, 0);
INSERT INTO `topic` VALUES (12, 11, 10, '《鬼谷子-捭阖策》', '<p>《鬼谷子</p><p>捭阖第一</p><p>【题解：《易·系辞上》：“是故阖户谓之坤，辟户谓之乾”。捭：开。阖，闭。通过对本文的理解发现，捭阖不仅仅是游说的一种方法，更重要是捭阖已经是一种世界观、哲学观（捭阖者，天地之道。捭阖者，以变动阴阳，四时开闭，以化万物，纵横反出、反复反忤，必由此矣。）。】</p><p>粤若稽古，圣人之在天地间也，为众生之先。观阴阳之开阖以名命物，知存亡之门户，筹策万类之终始，达人心之理，见变化之朕焉，而守司其门户。故圣人之在天下也，自古及今，其道一也。【第一句以圣人立论，古人写作惯用手法，如《黄帝内经》、《太公阴符》等中的黄帝、太公。第二句回答了圣人为何为众人之先；故：是一因果关系词，强调了圣人持道为众生之先的方法更古至今都是一致的。】</p><p>变化无穷，各有所归。或阴或阳，或柔或刚；或开或闭，或弛或张。是故圣人一守司其门户，审察其所先后，度权量能，校其伎巧短长。【“变化无穷，各有所归”强调“各”和“归”，各，有多种多样之意，强调世界的千变万化，归：归宿，结果，强调千变万化的世界终究是有其归宿点；第二句是对第一句的举例；第三句说明现实情况千变万化，圣人是如何做的。】</p><p>夫贤不肖、智愚、勇怯有差，乃可捭，乃可阖；乃可进，乃可退；乃可贱，乃可贵，无为以牧之。审定有无与其实虚，随其嗜欲以见其志意。微排其所言而捭反之，以求其实，贵得其指；阖而捭之，以求其利。【第一句指出人的秉性各有不同，正是这种差别才可以捭阖，也指出了有差、无为是捭阖的关键，无为以牧之是指顺事物秉性来驾驭事物；第二、三句从整体上提出了如何求其实、求其利，实虚：有无，也可指真假；排：1、排斥，  2、排查；反：反诘、反问、反驳；指：同旨，主旨，目的。无为作为道家的一种哲学观，可以有两种理解：1、顺应客观世界的规律；2、有所作为和有所不作为，但是有所不作为并不是消极的完全的不作为，而是主动的积极的根据具体情况的不作为，总结起来：顺天之时，随地之性，因人之心。】</p><p>或开而示之，或阖而闭之。开而示之者，同其情也；阖而闭之者，异其诚也。可与不可，审明其计谋，以原其同异。离合有守，先从其志。即欲捭之贵周，即欲阖之贵密。周密之贵微，而与道相追。【第一二句指出了示之、闭之的两种情况，结合下一句的“可与不可”来理解，第二句应该理解为对方与己情同则开而示之，对方不以实相告则阖而闭之。第三句的“可与不可”指是否采取示之、闭之取决于后半句，“原”：察。第四句的守指等待，指是离是合需要等待时机。第五句强调捭阖需要做到周详、隐秘。】</p><p>捭之者，料其情也；阖之者，结其诚也。皆见其权衡轻重，乃为之度数。圣人因而为之虑。其不中权衡度数，圣人因而自为之虑。【第一句中的“料”：忖（cun）度，估量；结：系，固结；诚：实。第二句、第三句强调圣人进则为他人谋，退则为己谋；自为之虑：为之自虑。】</p><p>故捭者，或捭而出之，或捭而内之。阖者，或阖而取之，或阖而去之。捭阖者，天地之道。捭阖者，以变动阴阳，四时开闭，以化万物，纵横反出、反复反忤，必由此矣。【第一二句应该是相对的，第一句中的出应该理解为使对方说出，内理解为使对方采纳。第二句取指使自己获取，去指使自己躲过（祸患），因为前面说过自为之虑。第三句作者将捭阖之道是天地之道，把捭阖的重要性体现出来了。第四句以阴阳立论，指出捭阖这种方法，能够变动阴阳，顺应季节变化，化育各种事物，而人世中的或合纵或连横，或返或出，或反或覆，或反或忤，也都是由捭阖产生的。】</p><p>捭阖者，道之大化，说之变也，必豫审其变化。吉凶大命系焉。口者，心之门户也；心者，神之主也。志意、喜欲、思虑、智谋，此皆由门户出入。故关之以捭阖，制之以出入。【第一句中的“道之大化，说之变也”指的是捭阖这种方法是阴阳规律的无限变化，游说应变的关键，所以作者提出需要事先对各种变化有所准备，因为这关系到吉凶大命。豫：事先有所准备。第三、四句指出了口的重要性。所以，作者在第五句提出以捭阖关之，以出入制之（关之以捭阖，制之以出入：用捭阖之法驾驭说话、实情出入）。当然这“口”是否是作者之前提到的“存亡之门户”还有待考量。】</p><p>捭之者，开也，言也，阳也；阖之者，闭也，默也，阴也。阴阳其和，终始其义。故言长生、安乐、富贵、尊荣、显名、爱好、财利、得意、喜欲，为阳，曰“始”。故言死亡、忧患、贫贱、苦辱、弃损、亡利、失意、有害、刑戮、诛罚，为阴，曰“终”。诸言法阳之类者，皆曰“始”，言善以始其事。诸言法阴之类者，皆曰“终”，言恶以终其谋。【第一句是对游说中的捭阖（作者前面提到捭阖是天地之道，自然不仅仅包含游说之道，故此处指游说中的捭阖之道）下定义，进行解释。第二句需要结合上下句来理解，阴阳相互调和，从开始到结束的整个过程都要符合捭阖的规律、要理。故，因果关系词，第三、四句中的故是承接第二句而言，说明为何要将法阳之类为始，法阴之类为终。第五、六句是承接在第四句的基础上论述的，所以在理解第五、六句时，需要在每一句中体现因果关系。第五六句理解为：凡是游说中说到  “阳”一类的，我们都称其为“始”，因为从事物好的一面游说，诱导对方行动，促进游说成功；反之，游说中说到  “阴”一类的，我们都称之为“终”，因为从事物有害的一面游说，劝阻对方行动，终止对方谋略实施。】</p><p>捭阖之道，以阴阳试之。故与阳言者，依崇高；与阴言者，依卑小。以下求小，以高求大。由此言之，无所不出，无所不入，无所不言可。可以说人，可以说家，可以说国，可以说天下。为小无内，为大无外。益损、去就、倍反，皆以阴阳御其事。【第一句回到了捭阖之道乃天地之道，阴阳之道的根本性世界观上，理解：捭阖的方法就是用阴阳的规律反复地进行试探。试，用。第二句，以“故”这一因果关系词进行举例说明对待阳言者、阴言者的不同方法。第三句是在第二句的基础上进行类比性的演绎，进而得出了第四、五、六、七句的总结性论点。第六句：泛指捭阖的方法无所不包，也可以说捭阖的方法具有普遍适用性。“由此言之中”的“此”就是指第二、三句中所采用的方法。御：治理、统治，引申为用阴阳的规律驾驭游说中的益损、去就、倍反。为小无内，为大无外：小到事物内部再无东西，大到事物外部再无东西，泛指包含一切事物，无所不包。】</p><p>阳动而行，阴止而藏，阳动而出，阴隐而入。阳还终始，阴极反阳。以阳动者，德相生也；以阴静者，形相成也。以阳求阴，苞以德也；以阴结阳，施以力也。阴阳相求，由捭阖也。此天地阴阳之道，而说人之法也。为万事之先，是谓“圆方”之门户。【第一二句是阐述阴阳理论的，后面几句都是以该理论展开论述。第三四句应当结合起来理解，德与形相对，德与力相对，故此处德应该指德行、品德，形指刑罚，方与“力”相关，此两句说的是以阴阳御刑德，故整句理解：阳动则德行产生了，阴静则刑戮形成了，用阳求阴需要用德行包容对方，用阴固结阳则需要向对方施加力量。第五句指阴阳相互依赖都是由捭阖之道决定的。第六句中的此指第五句，指的是捭阖之道系天地、阴阳之道，游说的法则，是万事的根本，天地的门户。不知此处之门户是否就是存亡之门户？存亡之门户还有待考量。】</p>', '2017-08-06 09:00:33', 1, 0);
INSERT INTO `topic` VALUES (13, 13, 0, 'test', '<p>在此写上您的内容</p>', '2017-08-06 09:45:31', 0, 0);

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user`  (
  `user_id` int NOT NULL AUTO_INCREMENT,
  `sno` varchar(11) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `sex` char(2) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '性别，只有男和女',
  `username` varchar(25) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `register_date` date NULL DEFAULT NULL,
  `password` varchar(16) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `sign` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '个人格言，签名之类的',
  `imgUrl` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '图片上传地址',
  `email` varchar(25) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `phone` varchar(15) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `sdept` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `clazz` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
  `article_num` int NOT NULL DEFAULT 0 COMMENT '该用户发帖数',
  `status` int(1) NOT NULL DEFAULT 1 COMMENT '1为可发言, 0表示被禁言',
  `islock` tinyint(1) NOT NULL DEFAULT 0 COMMENT '0表示未锁定，可以被其他用户查看',
  `reply_num` int NOT NULL DEFAULT 0,
  PRIMARY KEY (`user_id`) USING BTREE,
  UNIQUE INDEX `uemail`(`email`) USING BTREE,
  UNIQUE INDEX `sno`(`sno`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 14 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES (1, '14144501413', '男', 'jsbintask', '2017-06-06', '123456', '微信公众号：jsbintask', '6.jpg', 'jsbintask@gmail.com', '15576030460', '计算机', '1406', 7, 1, 1, 28);
INSERT INTO `user` VALUES (2, '14144501415', '女', 'test1', '2017-06-02', '123456', '。。。', '1.jpg', '123@qq.com', '110', '计算机', '1405', 0, 1, 1, 1);
INSERT INTO `user` VALUES (3, '14144501417', '男', 'test2', '2017-06-01', '123456', '嗨。', '2.jpg', '110@qq.com', '15576030460', '物电', '1406', 1, 1, 0, 2);
INSERT INTO `user` VALUES (4, '14144501419', '男', 'test3', '2017-06-12', '123456', 'Hello', 'defaultHead.png', '124@qq.com', NULL, NULL, NULL, 0, 1, 0, 0);
INSERT INTO `user` VALUES (5, '14144501421', '男', 'test4', '2017-05-16', '123456', 'hi.', 'defaultHead.png', '112@qq.com', NULL, NULL, NULL, 1, 1, 0, 2);
INSERT INTO `user` VALUES (7, '14144501425', '男', 'test5', NULL, '123456', NULL, 'defaultHead.png', '1111@qq.com', NULL, NULL, NULL, 0, 1, 0, 0);
INSERT INTO `user` VALUES (8, '14144501377', '男', 'test11', NULL, '123456', 'test', '3.jpg', '1362761867@qq.com', '15576030460', '计算机学院', '网络二班', 1, 1, 0, 0);
INSERT INTO `user` VALUES (9, '14144501379', '男', 'test6', NULL, '123456', '。。。', '4.jpg', '727971401@qq.com', '15173007554', '计算机学院', '1406', 1, 1, 0, 2);
INSERT INTO `user` VALUES (10, '14144501489', '男', 'test7', NULL, '123456', '。。。', '5.jpg', '1484432123@qq.com', '15576030460', '计算机学院', '1406', 0, 1, 0, 2);
INSERT INTO `user` VALUES (11, '14144501381', '男', 'test8', NULL, '123456', 'null', 'defaultHead.png', '1397744240@qq.com', NULL, '计算机学院', '网络14-2BF', 1, 1, 0, 3);
INSERT INTO `user` VALUES (12, '14144501356', '男', 'test9', NULL, 'a2145265', NULL, 'defaultHead.png', '791392383@qq.com', NULL, NULL, NULL, 0, 1, 0, 0);
INSERT INTO `user` VALUES (13, '14141501381', '男', 'test10', NULL, '123456', NULL, 'defaultHead.png', 'ss@a.com', NULL, NULL, NULL, 1, 1, 0, 3);

SET FOREIGN_KEY_CHECKS = 1;

文件上传

文件上传主要为配合百度ueditor上传文件使用：

package com.baidu.um;

import org.apache.commons.fileupload.FileItemIterator;
import org.apache.commons.fileupload.FileItemStream;
import org.apache.commons.fileupload.FileUploadBase.InvalidContentTypeException;
import org.apache.commons.fileupload.FileUploadBase.SizeLimitExceededException;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.util.Streams;
import sun.misc.BASE64Decoder;

import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * UEditor文件上传辅助类
 *
 */
public class Uploader {
	// 输出文件地址
	private String url = "";
	// 上传文件名
	private String fileName = "";
	// 状态
	private String state = "";
	// 文件类型
	private String type = "";
	// 原始文件名
	private String originalName = "";
	// 文件大小
	private long size = 0;

	private HttpServletRequest request = null;
	private String title = "";

	// 保存路径
	private String savePath = "upload";
	// 文件允许格式
	private String[] allowFiles = { ".rar", ".doc", ".docx", ".zip", ".pdf",".txt", ".swf", ".wmv", ".gif", ".png", ".jpg", ".jpeg", ".bmp" };
	// 文件大小限制，单位KB
	private int maxSize = 10000;
	
	private HashMap<String, String> errorInfo = new HashMap<String, String>();

	public Uploader(HttpServletRequest request) {
		this.request = request;
		HashMap<String, String> tmp = this.errorInfo;
		tmp.put("SUCCESS", "SUCCESS"); //默认成功
		tmp.put("NOFILE", "未包含文件上传域");
		tmp.put("TYPE", "不允许的文件格式");
		tmp.put("SIZE", "文件大小超出限制");
		tmp.put("ENTYPE", "请求类型ENTYPE错误");
		tmp.put("REQUEST", "上传请求异常");
		tmp.put("IO", "IO异常");
		tmp.put("DIR", "目录创建失败");
		tmp.put("UNKNOWN", "未知错误");
		
	}

	public void upload() throws Exception {
		boolean isMultipart = ServletFileUpload.isMultipartContent(this.request);
		if (!isMultipart) {
			this.state = this.errorInfo.get("NOFILE");
			return;
		}
		DiskFileItemFactory dff = new DiskFileItemFactory();
		String savePath = this.getFolder(this.savePath);
		dff.setRepository(new File(savePath));
		try {
			ServletFileUpload sfu = new ServletFileUpload(dff);
			sfu.setSizeMax(this.maxSize * 1024);
			sfu.setHeaderEncoding("utf-8");
			FileItemIterator fii = sfu.getItemIterator(this.request);
			while (fii.hasNext()) {
				FileItemStream fis = fii.next();
				if (!fis.isFormField()) {
					this.originalName = fis.getName().substring(fis.getName().lastIndexOf(System.getProperty("file.separator")) + 1);
					if (!this.checkFileType(this.originalName)) {
						this.state = this.errorInfo.get("TYPE");
						continue;
					}
					this.fileName = this.getName(this.originalName);
					this.type = this.getFileExt(this.fileName);
					this.url = savePath + "/" + this.fileName;
					BufferedInputStream in = new BufferedInputStream(fis.openStream());
					File file = new File(this.getPhysicalPath(this.url));
					FileOutputStream out = new FileOutputStream( file );
					BufferedOutputStream output = new BufferedOutputStream(out);
					Streams.copy(in, output, true);
					this.state=this.errorInfo.get("SUCCESS");
					this.size = file.length();
					//UE中只会处理单张上传，完成后即退出
					break;
				} else {
					String fname = fis.getFieldName();
					//只处理title，其余表单请自行处理
					if(!fname.equals("pictitle")){
						continue;
					}
                    BufferedInputStream in = new BufferedInputStream(fis.openStream());
                    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
                    StringBuffer result = new StringBuffer();  
                    while (reader.ready()) {  
                        result.append((char)reader.read());  
                    }
                    this.title = new String(result.toString().getBytes(),"utf-8");
                    reader.close();  
                    
				}
			}
		} catch (SizeLimitExceededException e) {
			this.state = this.errorInfo.get("SIZE");
		} catch (InvalidContentTypeException e) {
			this.state = this.errorInfo.get("ENTYPE");
		} catch (FileUploadException e) {
			this.state = this.errorInfo.get("REQUEST");
		} catch (Exception e) {
			this.state = this.errorInfo.get("UNKNOWN");
		}
	}
	
	/**
	 * 接受并保存以base64格式上传的文件
	 * @param fieldName
	 */
	public void uploadBase64(String fieldName){
		String savePath = this.getFolder(this.savePath);
		String base64Data = this.request.getParameter(fieldName);
		this.fileName = this.getName("test.png");
		this.url = savePath + "/" + this.fileName;
		BASE64Decoder decoder = new BASE64Decoder();
		try {
			File outFile = new File(this.getPhysicalPath(this.url));
			OutputStream ro = new FileOutputStream(outFile);
			byte[] b = decoder.decodeBuffer(base64Data);
			for (int i = 0; i < b.length; ++i) {
				if (b[i] < 0) {
					b[i] += 256;
				}
			}
			ro.write(b);
			ro.flush();
			ro.close();
			this.state=this.errorInfo.get("SUCCESS");
		} catch (Exception e) {
			this.state = this.errorInfo.get("IO");
		}
	}

	/**
	 * 文件类型判断
	 * 
	 * @param fileName
	 * @return
	 */
	private boolean checkFileType(String fileName) {
		Iterator<String> type = Arrays.asList(this.allowFiles).iterator();
		while (type.hasNext()) {
			String ext = type.next();
			if (fileName.toLowerCase().endsWith(ext)) {
				return true;
			}
		}
		return false;
	}

	/**
	 * 获取文件扩展名
	 * 
	 * @return string
	 */
	private String getFileExt(String fileName) {
		return fileName.substring(fileName.lastIndexOf("."));
	}

	/**
	 * 依据原始文件名生成新文件名
	 * @return
	 */
	private String getName(String fileName) {
		Random random = new Random();
		return this.fileName = "" + random.nextInt(10000)
				+ System.currentTimeMillis() + this.getFileExt(fileName);
	}

	/**
	 * 根据字符串创建本地目录 并按照日期建立子目录返回
	 * @param path 
	 * @return 
	 */
	private String getFolder(String path) {
		SimpleDateFormat formater = new SimpleDateFormat("yyyyMMdd");
		path += "/" + formater.format(new Date());
		File dir = new File(this.getPhysicalPath(path));
		if (!dir.exists()) {
			try {
				dir.mkdirs();
			} catch (Exception e) {
				this.state = this.errorInfo.get("DIR");
				return "";
			}
		}
		return path;
	}

	/**
	 * 根据传入的虚拟路径获取物理路径
	 * 
	 * @param path
	 * @return
	 */
	private String getPhysicalPath(String path) {
		String servletPath = this.request.getServletPath();
		String realPath = this.request.getSession().getServletContext()
				.getRealPath(servletPath);
		return new File(realPath).getParent() +"/" +path;
	}

	public void setSavePath(String savePath) {
		this.savePath = savePath;
	}

	public void setAllowFiles(String[] allowFiles) {
		this.allowFiles = allowFiles;
	}

	public void setMaxSize(int size) {
		this.maxSize = size;
	}

	public long getSize() {
		return this.size;
	}

	public String getUrl() {
		return this.url;
	}

	public String getFileName() {
		return this.fileName;
	}

	public String getState() {
		return this.state;
	}
	
	public String getTitle() {
		return this.title;
	}

	public String getType() {
		return this.type;
	}

	public String getOriginalName() {
		return this.originalName;
	}
}

权限验证

权限主要使用springmvc拦截器进行处理，拦截未登录的用户，发帖，回帖等信息：

package cn.jsbintask.bbs.interceptor;

import cn.jsbintask.bbs.po.User;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//实现一个拦截器，进行用户的权限控制
public class PostTopicInter implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        System.out.println("进入了拦截器页面");
        boolean flag = false;
        User user = (User) httpServletRequest.getSession().getAttribute("user");
        if(user!=null) {
            if(user.getStatus()==0) {
                httpServletRequest.setAttribute("message", "对不起，您已被管理员禁言，请联系管理员进行处理");
                httpServletRequest.getRequestDispatcher("/topic/all").forward(httpServletRequest, httpServletResponse);
            } else {
                flag  =  true;
            }
        } else  {
            httpServletRequest.setAttribute("message", "请先登录再进行操作");
            httpServletRequest.getRequestDispatcher("/user/userLogin").forward(httpServletRequest, httpServletResponse);
        }
        return flag;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}

相应配置文件如下：

<!--定义拦截器-->
<mvc:interceptors>
    <mvc:interceptor>
        <mvc:mapping path="/topic/postTopic"/>
        <mvc:mapping path="/article/postArticle" />
        <mvc:mapping path="/topic/collectTopic"/>
        <mvc:mapping path="/otherSpace/attentionUser"/>
        <bean class="cn.jsbintask.bbs.interceptor.PostTopicInter" />
    </mvc:interceptor>

    <mvc:interceptor>
        <mvc:mapping path="/admin/**"/>
        <mvc:exclude-mapping path="/admin/login"/>
        <!--由于拦截器在controller之前执行，所以这个地址也要拦截掉才行-->
        <mvc:exclude-mapping path="/admin/index"/>
        <bean class="cn.jsbintask.bbs.interceptor.AdminInterceptor"/>
    </mvc:interceptor>
</mvc:interceptors>

邮件发送

邮件发送为注册用户时接受注册验证码时使用，关键代码如下：

public static void sendMessage(String to, String code) throws Exception {
		Properties props = new Properties();
		String from = "Jsbintask@163.com";
		String smtpUrl = "smtp." + from.split("@")[1];
		
		props.put("mail.smtp.auth", "true");
	    props.put("mail.smtp.host", smtpUrl);
		
		Session session = Session.getInstance(props, new Authenticator() {

			@Override
			protected PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication("Jsbintask@163.com", "xxxxxx");
			}
		});

		Message message = new MimeMessage(session);
		message.setFrom(new InternetAddress("Jsbintask@163.com"));
		message.setRecipient(RecipientType.TO, new InternetAddress(to));
		System.out.println("BBSCheckCode");
		message.setSubject("激活码");
		message.setContent(
				"<h1>您的验证码：<span style='color=red'>" + code + "</span></h1>",
				"text/html;charset=UTF-8");
		Transport.send(message);
	}

注意此处邮箱，密码修改为自己的。