基于Spring+SpringMvc+MyBatis的简单图书管理系统的实现(SSM标准开发模板)
最终页面效果
工程目录
具体代码实现
pom.xml
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.example</groupId> <artifactId>SSM</artifactId> <version>1.0-SNAPSHOT</version> <name>SSM</name> <packaging>war</packaging> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.target>1.8</maven.compiler.target> <maven.compiler.source>1.8</maven.compiler.source> <junit.version>5.8.2</junit.version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.2.10.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.2.10.RELEASE</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.6</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.0</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.16</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.0</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>5.2.10.RELEASE</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>3.3.2</version> </plugin> </plugins> </build> </project>
config 包
package config; import com.alibaba.druid.pool.DruidDataSource; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.transaction.PlatformTransactionManager; import javax.sql.DataSource; import java.lang.management.PlatformLoggingMXBean; public class JdbcConfig { @Value("${jdbc.driver}") private String driver; @Value("${jdbc.url}") private String url; @Value("${jdbc.username}") private String username; @Value("${jdbc.password}") private String password; @Bean public DataSource dataSource() { DruidDataSource dataSource=new DruidDataSource(); dataSource.setDriverClassName(driver); dataSource.setUrl(url); dataSource.setUsername(username); dataSource.setPassword(password); return dataSource; } @Bean public PlatformTransactionManager transactionManager(DataSource dataSource) { DataSourceTransactionManager ds=new DataSourceTransactionManager(); ds.setDataSource(dataSource); return ds; } }
package config; import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.mapper.MapperScannerConfigurer; import org.springframework.context.annotation.Bean; import javax.sql.DataSource; public class MyBatisConfig { @Bean public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource) { SqlSessionFactoryBean factoryBean=new SqlSessionFactoryBean(); factoryBean.setDataSource(dataSource); factoryBean.setTypeAliasesPackage("domain"); return factoryBean; } @Bean public MapperScannerConfigurer mapperScannerConfigurer() { MapperScannerConfigurer msc=new MapperScannerConfigurer(); msc.setBasePackage("dao"); return msc; } }
package config; import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer; public class ServletConfig extends AbstractAnnotationConfigDispatcherServletInitializer { @Override protected Class<?>[] getRootConfigClasses() { return new Class[]{SpringConfig.class}; } @Override protected Class<?>[] getServletConfigClasses() { return new Class[]{SpringMvcConfig.class}; } @Override protected String[] getServletMappings() { return new String[]{"/"}; } }
package config; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Import; import org.springframework.context.annotation.PropertySource; import org.springframework.transaction.annotation.EnableTransactionManagement; @Configuration @ComponentScan({"service"}) @PropertySource("classpath:jdbc.properties") @Import({JdbcConfig.class,MyBatisConfig.class}) @EnableTransactionManagement public class SpringConfig { }
package config; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.EnableWebMvc; @Configuration @ComponentScan({"controller","config"}) @EnableWebMvc public class SpringMvcConfig { }
package config; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport; @Configuration public class SpringMvcSupport extends WebMvcConfigurationSupport { protected void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("/pages/**").addResourceLocations("/pages/"); registry.addResourceHandler("/css/**").addResourceLocations("/css/"); registry.addResourceHandler("/js/**").addResourceLocations("/js/"); registry.addResourceHandler("/plugins/**").addResourceLocations("/plugins/"); } }
controller包
package controller; import domain.Book; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import service.BookService; import java.util.List; @RestController @RequestMapping("/books") public class BookController { @Autowired private BookService bookService; @PostMapping public Result save(@RequestBody Book book) { boolean flag=bookService.save(book); return new Result(flag ? Code.SAVE_OK:Code.SAVE_ERR,flag); } @PutMapping public Result update(@RequestBody Book book) { boolean flag=bookService.update(book); return new Result(flag ? Code.UPDATE_OK:Code.UPDATE_ERR,flag); } @DeleteMapping("/{id}") public Result delete(@PathVariable Integer id) { boolean flag=bookService.delete(id); return new Result(flag ? Code.DELETE_OK:Code.DELETE_ERR,flag); } @GetMapping("/{id}") public Result getById(@PathVariable Integer id) { Book book=bookService.getById(id); Integer code=book!=null?Code.GET_OK:Code.GET_ERR; String msg=book!=null?"":"数据查询失败，请重试！"; return new Result(code,book,msg); } @GetMapping public Result getAll() { List<Book>bookList=bookService.getAll(); Integer code=bookList!=null?Code.GET_OK:Code.GET_ERR; String msg=bookList!=null?"":"数据查询失败，请重试！"; return new Result(code,bookList,msg); } }
package controller; public class Code { public static final Integer SAVE_OK=20011; public static final Integer DELETE_OK=20021; public static final Integer UPDATE_OK=20031; public static final Integer GET_OK=20041; public static final Integer SAVE_ERR=20010; public static final Integer DELETE_ERR=20020; public static final Integer UPDATE_ERR=20030; public static final Integer GET_ERR=20040; public static final Integer SYSTEM_ERR=50001; public static final Integer SYSTEM_TIME_OUT=50002; public static final Integer SYSTEM_UNKNOW=59999; public static final Integer BUSINESS_ERR=60002; }
package controller; import exception.BusinessException; import exception.SystemExecption; import org.springframework.transaction.annotation.EnableTransactionManagement; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RestControllerAdvice; @RestControllerAdvice public class ProjectExceptionAdvice { @ExceptionHandler(SystemExecption.class) public Result doException(SystemExecption ex) { //记录日志 //发送消息给运维 //发送消息给开发人员 return new Result(ex.getCode(),null,ex.getMessage()); } @ExceptionHandler(BusinessException.class) public Result doException(BusinessException ex) { return new Result(ex.getCode(),null,ex.getMessage()); } @ExceptionHandler(Exception.class) public Result doException(Exception ex) { //记录日志 //发送消息给运维 //发送消息给开发人员 return new Result(Code.SYSTEM_UNKNOW,null,"系统繁忙，请稍后再试！"); } }
package controller; public class Result { private Object data; private Integer code; private String msg; public Result() { } public Result(Integer code,Object data,String msg) { this.data = data; this.code = code; this.msg = msg; } public Result(Integer code,Object data) { this.data = data; this.code = code; } public Object getData() { return data; } public void setData(Object data) { this.data = data; } public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } }
dao包
package dao; import domain.Book; import org.apache.ibatis.annotations.Delete; import org.apache.ibatis.annotations.Insert; import org.apache.ibatis.annotations.Select; import org.apache.ibatis.annotations.Update; import java.util.List; public interface BookDao { @Insert("insert into tbl_book (type,name,description) values(#{type},#{name},#{description})") public int save(Book book); @Update("update tbl_book set type=#{type},name=#{name},description=#{description} where id =#{id}") public int update(Book book); @Delete("delete from tbl_book where id=#{id}") public int delete(Integer id); @Select("select *from tbl_book where id=#{id}") public Book getById(Integer id); @Select("select *from tbl_book") public List<Book>getAll(); }
domain包
package domain; import sun.dc.pr.PRError; public class Book { @Override public String toString() { return "Book{" + "id=" + id + ", type='" + type + '\'' + ", name='" + name + '\'' + ", description='" + description + '\'' + '}'; } private Integer id; private String type; private String name; private String description; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getType() { return type; } public void setType(String type) { this.type = type; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } }
exception包
package exception; public class BusinessException extends RuntimeException{ private Integer code; public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; } public BusinessException(Integer code,String message) { super(message); this.code = code; } public BusinessException(Integer code,String message, Throwable cause) { super(message, cause); this.code = code; } }
package exception; public class SystemExecption extends RuntimeException{ private Integer code; public Integer getCode() { return code; } public void setCode(Integer code) { this.code = code; } public SystemExecption(Integer code,String message) { super(message); this.code = code; } public SystemExecption(Integer code,String message, Throwable cause) { super(message, cause); this.code = code; } }
service包
package service; import domain.Book; import org.apache.ibatis.annotations.Delete; import org.apache.ibatis.annotations.Insert; import org.apache.ibatis.annotations.Select; import org.apache.ibatis.annotations.Update; import org.springframework.transaction.annotation.Transactional; import java.util.List; @Transactional public interface BookService { /** * 保存 * @param book * @return */ public boolean save(Book book); /** * 修改 * @param book * @return */ public boolean update(Book book); /** * 按id删除 * @param id * @return */ public boolean delete(Integer id); /** * 按id查询 * @param id * @return */ public Book getById(Integer id); /** * 查询全部 * @return */ public List<Book> getAll(); }
service.impl包
package service.impl; import controller.Code; import dao.BookDao; import domain.Book; import exception.SystemExecption; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import service.BookService; import java.util.List; @SuppressWarnings("ALL") @Service public class BookServIceImpl implements BookService { @Autowired private BookDao bookDao; @Override public boolean save(Book book) { return bookDao.save(book)>0; } @Override public boolean update(Book book) { return bookDao.update(book)>0; } @Override public boolean delete(Integer id) { return bookDao.delete(id)>0; } @Override public Book getById(Integer id) { /*try { int i = 1 / 0; }catch (Exception e){ throw new SystemExecption(Code.SYSTEM_TIME_OUT,"服务器访问超时，请重试！",e); }*/ return bookDao.getById(id); } @Override public List<Book> getAll() { return bookDao.getAll(); } }
以上是最新学习的SSM框架的基本整合，欢迎大家批评指正。
