SSM项目基础实战总结（配置文件篇）

2019-08-07  本文已影响0人  XHHP

在学完ssm之后，觉得自己需要一个项目来练练手，巩固一些学到的知识，不然也容易忘记。就选择了大二开学参加软件设计大赛的项目（基于校园形式的报修系统）进行一些重构，用ssm框架重新搭建一下后台的代码。我现在只重构了我的部分，还需要我的队友重构完他的部分，就会将项目放上github。
主要应用技术：mybatis、spring、springmvc、mysql、ajax，maven
这个是最初软件设计大赛时的项目简介（当初是主要用servlet搭建的）


在这里插入图片描述

一、项目的搭建目录

<span><img src="https://img-blog.csdnimg.cn/20190531103119371.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTc5OTAxOQ==,size_16,color_FFFFFF,t_70" height="500px"></span>
<font color="red">总结：采用了传统的按层分包的模式：Controller、Service、Repository、tools（工具类）、common（通用类）、filter（过滤器类）</font>

二、pom.xml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>com.gduf</groupId>
  <artifactId>GuaranteeSystem</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>GuaranteeSystem Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

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

    <!--SpringMvc、Spring-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.1.5.RELEASE</version>
    </dependency>

    <!--Spring JDBC-->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.1.5.RELEASE</version>
    </dependency>

    <!--Spring面向切面编程-->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>5.1.5.RELEASE</version>
    </dependency>

    <!--mybatis-->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.4.6</version>
    </dependency>


    <!--mybatis整合spring的适配包-->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.2</version>
    </dependency>

    <!--数据库连接池、驱动-->
    <!-- https://mvnrepository.com/artifact/c3p0/c3p0 -->
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.5.2</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>LATEST</version>
    </dependency>

    <!--json数据转换器需要的依赖-->
    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.9.8</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.9.8</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-annotations</artifactId>
      <version>RELEASE</version>
    </dependency>


    <!--短信验证码需要的jsonObject-->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.4</version>
    </dependency>

    <!--json的token-->
    <!-- https://mvnrepository.com/artifact/com.googlecode.jsontoken/jsontoken -->
    <dependency>
      <groupId>com.googlecode.jsontoken</groupId>
      <artifactId>jsontoken</artifactId>
      <version>1.1</version>
    </dependency>

    <!--引入JWT依赖,由于是基于Java，所以需要的是java-jwt-->
    <dependency>
      <groupId>io.jsonwebtoken</groupId>
      <artifactId>jjwt</artifactId>
      <version>0.9.1</version>
    </dependency>
    <dependency>
      <groupId>com.auth0</groupId>
      <artifactId>java-jwt</artifactId>
      <version>3.4.0</version>
    </dependency>

      <!--Base64算法-->
      <!-- https://mvnrepository.com/artifact/net.iharder/base64 -->
      <dependency>
          <groupId>net.iharder</groupId>
          <artifactId>base64</artifactId>
          <version>2.3.8</version>
      </dependency>

      <!--joda Time-->
      <dependency>
        <groupId>joda-time</groupId>
        <artifactId>joda-time</artifactId>
        <version>2.9.7</version>
      </dependency>

      <!--WebListener注解-->
    <dependency>
      <groupId>org.apache.tomcat</groupId>
      <artifactId>tomcat-servlet-api</artifactId>
      <version>7.0.62</version>
    </dependency>

     <!--分页插件 PageHelper-->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>LATEST</version>
    </dependency>

    <!--上传文件-->
    <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.4</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.1</version>
    </dependency>

  </dependencies>

  <build>
    <finalName>GuaranteeSystem</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>

<font color="red">总结：需要添加的依赖主要有以下几个：

  1. junit测试
  2. SpringMvc、Spring
  3. SpringJDBC
  4. Spring面向切面变成Aspect
  5. mybatis
  6. mybatis整合spring的适配包
  7. 数据库连接池、驱动
  8. json转换器
  9. 分页插件-PageHelper

三、web.xml文件

<!DOCTYPE web-app PUBLIC
        "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
        "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         id="WebApp_ID" version="2.5">
    <display-name>Archetype Created Web Application</display-name>

    <!--Spring配置-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    
    <!--配置ContextLoaderListener用以初始化SpringIoc容器-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    <!--SpringMvc核心配置-->
    <servlet>
        <servlet-name>spring-mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-mvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    
    <!--字符编码过滤器，一定要放在过滤器之前-->
    <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>
        <init-param>
            <param-name>forceRequestEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>foreResponseEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!--使用Restful风格的Url，将页面普通的get请求或者post请求转换成delete或push请求-->
    <filter>
        <filter-name>hiddenHttpMethodFilter</filter-name>
        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>hiddenHttpMethodFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

<font color="red">总结：web.xml配置文件主要有以下几个配置项：

  1. Spring配置
  2. ContextLoaderListener配置（用以初始化SpringIoc容器）
  3. SpringMvc核心配置
  4. 字符编码过滤器
  5. Restful风格配置（如有需要）

四、SpringMvc配置文件（spring-mvc-servlet.xml）

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/cache"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd">
    <!--使用注解驱动-->
    <mvc:annotation-driven></mvc:annotation-driven>
    <!--定义扫描装载的包-->
    <context:component-scan base-package="com.ssm.code"></context:component-scan>
    <!--视图解析器-->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/html/"></property>
        <property name="suffix" value=".html"></property>
    </bean>

    <!--静态资源过滤-->
    <mvc:resources mapping="/html/**" location="/html/"></mvc:resources>
    <mvc:resources mapping="/js/**" location="/js/"></mvc:resources>
    <mvc:resources mapping="/css/**" location="/css/"></mvc:resources>
    <mvc:resources mapping="/imgs/**" location="/imgs/"></mvc:resources>
    <mvc:resources mapping="/iconfont/**" location="/iconfont/"></mvc:resources>
    <mvc:resources mapping="/iconfont2/**" location="/iconfont2/"></mvc:resources>
    <mvc:resources mapping="/scripts/**" location="/scripts/"></mvc:resources>
</beans>

<font color="red">总结：SpringMvc配置文件主要有以下几个配置项：

  1. 使用注解驱动
  2. 扫描要装载的包
  3. 视图解析器
  4. 静态资源的过滤

五、Spring配置文件（applicationContext.xml）

<?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: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/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--注解扫描-->
    <context:annotation-config></context:annotation-config>
    <!--包扫描-->
    <context:component-scan base-package="com.ssm.code">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:exclude-filter>
    </context:component-scan>

    <!--数据源配置-->
    <bean class="com.mchange.v2.c3p0.ComboPooledDataSource" id="dataSource" destroy-method="close">
        <property name="user" value="root"></property>
        <property name="password" value="XHHP0913"></property>
        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/guaranteesystem?serverTimezone=UTC"></property>
    </bean>

    <!--整合mybatis-->
    <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sqlSessionFactory">
        <property name="dataSource" ref="dataSource"></property>
        <!--指定mybatis全局配置文件-->
        <property name="configLocation" value="classpath:/mybatis-config.xml"></property>
    </bean>

    <!--采用自动扫描方式，将mybatis的接口扫描到容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.ssm.code.dao"></property>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
        <property name="annotationClass" value="org.springframework.stereotype.Repository"></property>
    </bean>

    <!--事物管理器配置数据源事物-->
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="dataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!--使用注解定义事物-->
    <tx:annotation-driven transaction-manager="dataSourceTransactionManager"></tx:annotation-driven>

    <!--配置数据库事务-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--配置json消息转换器-->
    <bean id="jsonConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>application/json;charset=utf-8</value>
            </list>
        </property>
    </bean>
    <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
        <property name="messageConverters">
            <list>
                <ref bean="jsonConverter"></ref>
            </list>
        </property>
    </bean>


</beans>

<font color="red">总结：Spring配置文件主要有以下几个配置项：

  1. 注解扫描
  2. 包扫描
  3. 数据源配置
  4. 整合mybatis
  5. 采用自动扫描方式，将mybatis的接口扫描到容器中
  6. 事务管理器配置数据源事物
  7. 使用注解定义事物
  8. 配置json消息转换器

六、Mybatis总配置文件（mybatis-config.xml）

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <!--配置分页插件-->
    <plugins>
        <plugin interceptor="com.github.pagehelper.PageInterceptor">
            <property name="helperDialect" value="mysql"></property>
        </plugin>
    </plugins>
    
    <mappers>
        <!--注册功能-->
        <mapper resource="/mapper/RegisterMapper.xml"></mapper>
        <!--学生登录功能-->
        <mapper resource="/mapper/StudentLoginMapper.xml"></mapper>
        <!--服务信息获取-->
        <mapper resource="/mapper/NoticeInformMapper.xml"></mapper>
        <!--数据分析-->
        <mapper resource="/mapper/AnalyzeDataMapper.xml"></mapper>
        <!--商品购买-->
        <mapper resource="/mapper/CommidityMapper.xml"></mapper>
        <!--个人信息功能-->
        <mapper resource="/mapper/PersonInformMapper.xml"></mapper>
        <!--工人端登录-->
        <mapper resource="/mapper/WorkerLoginMapper.xml"></mapper>
        <!--管理端登录-->
        <mapper resource="/mapper/ManagerLoginMapper.xml"></mapper>
        <!--报修评价-->
        <mapper resource="/mapper/ScoreMapper.xml"></mapper>
    </mappers>
</configuration>

七、数据库文件（建表语句）

/*
Navicat MySQL Data Transfer

Source Server         : InformationSystem
Source Server Version : 80012
Source Host           : localhost:3306
Source Database       : guaranteesystem

Target Server Type    : MYSQL
Target Server Version : 80012
File Encoding         : 65001

Date: 2019-05-31 11:09:31
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for admin
-- ----------------------------
DROP TABLE IF EXISTS `admin`;
CREATE TABLE `admin` (
  `a_id` varchar(11) NOT NULL,
  `a_phone` varchar(11) DEFAULT NULL,
  `a_password` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `a_major` int(11) DEFAULT NULL,
  PRIMARY KEY (`a_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for admin_chat
-- ----------------------------
DROP TABLE IF EXISTS `admin_chat`;
CREATE TABLE `admin_chat` (
  `username` varchar(255) DEFAULT NULL,
  `roomid` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  PRIMARY KEY (`roomid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for area
-- ----------------------------
DROP TABLE IF EXISTS `area`;
CREATE TABLE `area` (
  `id` int(11) NOT NULL,
  `name` varchar(10) NOT NULL,
  `code` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for build
-- ----------------------------
DROP TABLE IF EXISTS `build`;
CREATE TABLE `build` (
  `id` int(11) NOT NULL,
  `building` varchar(20) DEFAULT NULL,
  `code` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for commidity
-- ----------------------------
DROP TABLE IF EXISTS `commidity`;
CREATE TABLE `commidity` (
  `commidity_id` varchar(20) DEFAULT NULL,
  `name` varchar(100) DEFAULT NULL,
  `description` varchar(255) DEFAULT NULL,
  `price` double(10,2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for evaluateform
-- ----------------------------
DROP TABLE IF EXISTS `evaluateform`;
CREATE TABLE `evaluateform` (
  `e_ordernumber` int(11) NOT NULL AUTO_INCREMENT,
  `s_id` varchar(11) DEFAULT NULL,
  `r_ordernumber` int(11) DEFAULT NULL,
  `e_level` int(11) DEFAULT NULL,
  `e_mess` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`e_ordernumber`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for noticeinform
-- ----------------------------
DROP TABLE IF EXISTS `noticeinform`;
CREATE TABLE `noticeinform` (
  `UpLoader` varchar(255) NOT NULL,
  `FilePath` varchar(255) NOT NULL,
  `FileName` varchar(255) NOT NULL,
  `DownLoadNum` int(11) NOT NULL,
  `UpLoadDate` varchar(255) NOT NULL,
  PRIMARY KEY (`FilePath`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for repairform
-- ----------------------------
DROP TABLE IF EXISTS `repairform`;
CREATE TABLE `repairform` (
  `r_ordernumber` int(11) NOT NULL AUTO_INCREMENT,
  `r_sertype` int(11) NOT NULL,
  `r_seradd` varchar(50) DEFAULT NULL,
  `r_serinform` varchar(70) DEFAULT NULL,
  `r_sertime` varchar(30) DEFAULT NULL,
  `r_detailtime` varchar(30) DEFAULT NULL,
  `r_judgestate` int(11) DEFAULT NULL,
  `r_filepath` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `s_id` varchar(11) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `s_phone` varchar(11) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `a_id` varchar(11) DEFAULT NULL,
  `r_userconfirm` int(11) DEFAULT '0',
  `r_submittime` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL COMMENT '维修人员确定维修单完成',
  PRIMARY KEY (`r_ordernumber`)
) ENGINE=InnoDB AUTO_INCREMENT=218 DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for score
-- ----------------------------
DROP TABLE IF EXISTS `score`;
CREATE TABLE `score` (
  `r_ordernumber` int(11) NOT NULL,
  `satisfied` varchar(20) DEFAULT NULL,
  `suggest` varchar(255) DEFAULT NULL,
  `score` int(11) DEFAULT NULL,
  `flag` int(5) DEFAULT '0',
  `repairman` varchar(50) DEFAULT NULL,
  `username` varchar(20) DEFAULT NULL,
  `time` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for student
-- ----------------------------
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (
  `stu_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
  `phone` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `password` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `area` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `build` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `room` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `sex` int(255) DEFAULT NULL,
  `timestamp` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  PRIMARY KEY (`stu_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for studentpurchase
-- ----------------------------
DROP TABLE IF EXISTS `studentpurchase`;
CREATE TABLE `studentpurchase` (
  `stu_id` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `commidity_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `quantity` int(11) DEFAULT NULL,
  `commidity_name` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `price` double(10,2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for student_chat
-- ----------------------------
DROP TABLE IF EXISTS `student_chat`;
CREATE TABLE `student_chat` (
  `username` varchar(255) DEFAULT NULL,
  `roomid` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL,
  `num` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`num`)
) ENGINE=InnoDB AUTO_INCREMENT=266 DEFAULT CHARSET=utf8;

-- ----------------------------
-- Table structure for worker
-- ----------------------------
DROP TABLE IF EXISTS `worker`;
CREATE TABLE `worker` (
  `worker_id` varchar(20) NOT NULL,
  `worker_password` varchar(50) NOT NULL,
  `ser_type` varchar(10) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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