更强大的 code generator 自定义工具
我们以前用 mybatis 的 generator 感觉很爽，通用mapper(tk.mapper) 也很爽，但是。。。
还有更爽的 就是这两种结合 并且 还可以直接生成简单的 service controller 层 还可以包含 swagger
直接上代码：
引入依赖 pom.xml
4.0.0 com.jcbjcb.tools jcbjcb-tools 1.0-SNAPSHOT jcbjcb-generator jcbjcb-generator Demo project for Spring Boot jar 1.8 org.springframework.boot spring-boot-starter-web org.projectlombok lombok true tk.mybatis mapper-spring-boot-starter 2.1.5 org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-test test org.mybatis.generator mybatis-generator-core 1.3.7 tk.mybatis mapper-generator 1.1.5 io.springfox springfox-swagger2 2.9.2 io.springfox springfox-swagger-ui 2.9.2 mysql mysql-connector-java 8.0.15 tk.mybatis mapper 4.1.5 org.freemarker freemarker 2.3.28 maven-compiler-plugin ${java.version} ${java.version} org.mybatis.generator mybatis-generator-maven-plugin 1.3.7 ${basedir}/src/main/resources/generator/generatorConfig.xml true true mysql mysql-connector-java 8.0.15 tk.mybatis mapper 4.1.5 org.freemarker freemarker 2.3.28
generatorConfig.xml
config.properties
jdbc.driverClass = com.mysql.cj.jdbc.Driver jdbc.url = jdbc:mysql://127.0.0.1:3306/school_score?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8&useSSL=false jdbc.user = root jdbc.password = root
代码生成模板
biz.ftl
package ${package};import com.jcbjcb.tools.common.biz.BaseBiz;import ${package?substring(0,package?last_index_of('.'))}.mapper.${tableClass.shortClassName}Mapper;import ${tableClass.fullClassName};import org.springframework.stereotype.Service;<#assign dateTime = .now>/*** @description ${tableClass.shortClassName}业务层* @author jcb* @since ${dateTime?string["yyyy-MM-dd HH:mm:ss"]}*/@Servicepublic class ${tableClass.shortClassName}Biz extends BaseBiz<${tableClass.shortClassName}Mapper, ${tableClass.shortClassName}> {} controller.ftl
package ${package};import com.jcbjcb.tools.common.rest.BaseController;import ${package?substring(0,package?last_index_of('.'))}.biz.${tableClass.shortClassName}Biz;import ${tableClass.fullClassName};import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;<#assign dateTime = .now>/*** @description ${tableClass.shortClassName}控制层* @author jcb* @since ${dateTime?string["yyyy-MM-dd HH:mm:ss"]}*/@RestController@RequestMapping("/${tableClass.variableName}")public class ${tableClass.shortClassName}Controller extends BaseController<${tableClass.shortClassName}Biz, ${tableClass.shortClassName}> {} mapper.ftl
package ${package};import com.jcbjcb.tools.common.mapper.BaseMapper;import ${tableClass.fullClassName};import org.apache.ibatis.annotations.Mapper;import org.springframework.stereotype.Repository;<#assign dateTime = .now>/** * @description ${tableClass.shortClassName}数据层 * @author jcb * @since ${dateTime?string["yyyy-MM-dd HH:mm:ss"]}*/@Mapper@Repositorypublic interface ${tableClass.shortClassName}Mapper extends BaseMapper<${tableClass.shortClassName}> {} 基础类
BaseMapper.class
package com.jcbjcb.tools.common.mapper;import tk.mybatis.mapper.common.Mapper;import tk.mybatis.mapper.common.MySqlMapper;public interface BaseMapper extends Mapper , MySqlMapper {}
BaseBiz.class
package com.jcbjcb.tools.common.biz;import com.github.pagehelper.Page;import com.github.pagehelper.PageHelper;import com.github.pagehelper.PageInfo;import com.jcbjcb.tools.common.util.Query;import org.springframework.beans.factory.annotation.Autowired;import tk.mybatis.mapper.common.Mapper;import tk.mybatis.mapper.entity.Example;import java.lang.reflect.ParameterizedType;import java.util.List;import java.util.Map;public abstract class BaseBiz ,T> { @Autowired protected M mapper; public void setMapper(M mapper) { this.mapper = mapper; } public T selectOne(T entity) { return mapper.selectOne(entity); } public T selectById(Object id) { return mapper.selectByPrimaryKey(id); } public List selectList(T entity) { return mapper.select(entity); } public List selectListAll() { return mapper.selectAll(); } public Long selectCount(T entity) { return new Long(mapper.selectCount(entity)); } public void insert(T entity) { mapper.insert(entity); } public void insertSelective(T entity) { mapper.insertSelective(entity); } public void delete(T entity) { mapper.delete(entity); } public void deleteById(Object id) { mapper.deleteByPrimaryKey(id); } public void updateById(T entity) { mapper.updateByPrimaryKey(entity); } public void updateSelectiveById(T entity) { mapper.updateByPrimaryKeySelective(entity); } public List selectByExample(Object example) { return mapper.selectByExample(example); } public int selectCountByExample(Object example) { return mapper.selectCountByExample(example); } public PageInfo selectByQuery(Query query) { Class clazz = (Class ) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[1]; Example example = new Example(clazz); if(query.entrySet().size()>0) { Example.Criteria criteria = example.createCriteria(); for (Map.Entry entry : query.entrySet()) { criteria.andLike(entry.getKey(), "%" + entry.getValue().toString() + "%"); } } Page
BaseController.class
package com.jcbjcb.tools.common.rest;import com.github.pagehelper.PageInfo;import com.jcbjcb.tools.common.biz.BaseBiz;import com.jcbjcb.tools.common.util.ObjectRestResponse;import com.jcbjcb.tools.common.util.Query;import com.jcbjcb.tools.common.util.TableRestResponse;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.*;import javax.servlet.http.HttpServletRequest;import java.util.List;import java.util.Map;public class BaseController { @Autowired protected HttpServletRequest request; @Autowired protected Biz baseBiz; @RequestMapping(value = "",method = RequestMethod.POST) @ResponseBody public ObjectRestResponse add(@RequestBody Entity entity){ baseBiz.insertSelective(entity); return new ObjectRestResponse<>(entity); } @RequestMapping(value = "/{id}",method = RequestMethod.GET) @ResponseBody public ObjectRestResponse get(@PathVariable int id){ ObjectRestResponse entityObjectRestResponse = new ObjectRestResponse<>(); Object o = baseBiz.selectById(id); entityObjectRestResponse.setData((Entity)o); return entityObjectRestResponse; } @RequestMapping(value = "/{id}",method = RequestMethod.PUT) @ResponseBody public ObjectRestResponse update(@RequestBody Entity entity){ baseBiz.updateSelectiveById(entity); return new ObjectRestResponse<>(entity); } @RequestMapping(value = "/{id}",method = RequestMethod.DELETE) @ResponseBody public ObjectRestResponse remove(@PathVariable int id){ baseBiz.deleteById(id); return new ObjectRestResponse<>(); } @RequestMapping(value = "/all",method = RequestMethod.GET) @ResponseBody public List all(){ return baseBiz.selectListAll(); } @RequestMapping(value = "/page",method = RequestMethod.GET) @ResponseBody public TableRestResponse list(@RequestParam Map params){ //查询列表数据 Query query = new Query(params); PageInfo pageInfo = baseBiz.selectByQuery(query); return new TableRestResponse<>(pageInfo.getList()); }}
最后执行
mvn mybatis-generator:generate 生成代码
或者在idea上mvn插件里面生成
具体代码在 github 上