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| 2025.12.09 | 优化Mybatis模板

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Moshow郑锴 2025-12-07 20:57:08 +08:00
parent 2a354f7aba
commit 67185ad7af
5 changed files with 139 additions and 25 deletions
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36
src/main/resources/templates/code-generator/mybatis/controller.ftl
View File

@ -57,9 +57,9 @@ public class ${classInfo.className}Controller {
* @author ${authorName}
* @date ${.now?string('yyyy/MM/dd')}
**/
@RequestMapping("/load")
public Object load(int id){
return ${classInfo.className?uncap_first}Service.load(id);
@RequestMapping("/find")
public Object find(int id){
return ${classInfo.className?uncap_first}Service.find(id);
}
/**
@ -73,4 +73,34 @@ public class ${classInfo.className}Controller {
return ${classInfo.className?uncap_first}Service.pageList(offset, pagesize);
}
/**
* 查询 动态条件分页查询 - 根据对象属性自动构建条件
* 如果字段有值则进行分页+指定条件查询，否则仅进行分页查询
* @author ${authorName}
* @date ${.now?string('yyyy/MM/dd')}
**/
@RequestMapping("/pageByCondition")
public Map<String, Object> pageByCondition(${classInfo.className} queryParamDTO,
@RequestParam(required = false, defaultValue = "0") int offset,
@RequestParam(required = false, defaultValue = "10") int pagesize) {
return ${classInfo.className?uncap_first}Service.pageByCondition(queryParamDTO, offset, pagesize);
}
/**
* 激活/停用
* @author ${authorName}
* @date ${.now?string('yyyy/MM/dd')}
**/
@RequestMapping("/active")
public Object active(int id, Integer status) {
${classInfo.className} ${classInfo.className?uncap_first} = ${classInfo.className?uncap_first}Service.find(id);
if(${classInfo.className?uncap_first} != null) {
${classInfo.className?uncap_first}.setStatus(status);
Object result = ${classInfo.className?uncap_first}Service.update(${classInfo.className?uncap_first});
return result;
} else {
return ${returnUtilFailure}("未找到记录");
}
}
}

2
src/main/resources/templates/code-generator/mybatis/mapper.ftl
View File

@ -40,7 +40,7 @@ public interface ${classInfo.className}Mapper {
* @author ${authorName}
* @date ${.now?string('yyyy/MM/dd')}
**/
${classInfo.className} load(int id);
${classInfo.className} find(int id);
/**
* 查询 分页查询

100
src/main/resources/templates/code-generator/mybatis/mapper2.ftl
View File

@ -13,23 +13,33 @@ import java.util.List;
@Repository
public interface ${classInfo.className}Mapper {
@Select("select * from ${classInfo.tableName} where ${classInfo.tableName}_id=井{id}")
public ${classInfo.className} getById(Integer id);
@Select("""
select * from ${classInfo.tableName} where ${classInfo.tableName}_id=井{id}
""")
public ${classInfo.className} find(Integer id);
@Options(useGeneratedKeys=true,keyProperty="${classInfo.className?uncap_first}Id")
@Insert("insert into ${classInfo.tableName}" +
" (<#list classInfo.fieldList as fieldItem >${fieldItem.columnName}<#if fieldItem_has_next>,</#if></#list>)" +
" values(<#list classInfo.fieldList as fieldItem >${fieldItem.fieldName}<#if fieldItem_has_next>,<#else>)</#if></#list>")
@Insert("""
insert into ${classInfo.tableName} (
<#list classInfo.fieldList as fieldItem >${fieldItem.columnName}<#if fieldItem_has_next>,</#if></#list>
) values (
<#list classInfo.fieldList as fieldItem >井{${fieldItem.fieldName}}<#if fieldItem_has_next>,<#else>)</#if></#list>
)
""")
public Integer insert(${classInfo.className} ${classInfo.className?uncap_first});
@Delete(value = "delete from ${classInfo.tableName} where ${classInfo.tableName}_id=井{${classInfo.className?uncap_first}Id}")
@Delete("""
delete from ${classInfo.tableName} where ${classInfo.tableName}_id=井{id}
""")
boolean delete(Integer id);
@Update(value = "update ${classInfo.tableName} set "
<#list classInfo.fieldList as fieldItem >
<#if fieldItem.columnName != "id">+" ${fieldItem.columnName}=井{${fieldItem.fieldName}}<#if fieldItem_has_next>,</#if>"</#if>
</#list>
+" where ${classInfo.tableName}_id=井{${classInfo.className?uncap_first}Id} ")
@Update("""
update ${classInfo.tableName} set
<#list classInfo.fieldList as fieldItem >
<#if fieldItem.columnName != "id">${fieldItem.columnName}=井{${fieldItem.fieldName}}<#if fieldItem_has_next>,</#if></#if>
</#list>
where ${classInfo.tableName}_id=井{id}
""")
boolean update(${classInfo.className} ${classInfo.className?uncap_first});
@ -38,19 +48,73 @@ public interface ${classInfo.className}Mapper {
@Result(property = "${fieldItem.fieldName}", column = "${fieldItem.columnName}")<#if fieldItem_has_next>,</#if>
</#list>
})
@Select(value = "select * from ${classInfo.tableName} where ${classInfo.tableName}_id=井{queryParam}")
${classInfo.className} selectOne(String queryParam);
@Select("""
select * from ${classInfo.tableName} where ${classInfo.tableName}_id=井{id}
""")
${classInfo.className} selectOne(Integer id);
@Results(value = {
<#list classInfo.fieldList as fieldItem >
@Result(property = "${fieldItem.fieldName}", column = "${fieldItem.columnName}")<#if fieldItem_has_next>,</#if>
</#list>
})
@Select(value = "select * from ${classInfo.tableName} where "
<#list classInfo.fieldList as fieldItem >
+" ${fieldItem.columnName}=井{${fieldItem.fieldName}}<#if fieldItem_has_next> or </#if>"
</#list>
)
@Select("""
select * from ${classInfo.tableName} where
<#list classInfo.fieldList as fieldItem >
${fieldItem.columnName}=井{${fieldItem.fieldName}}<#if fieldItem_has_next> or </#if>
</#list>
""")
List<${classInfo.className}> selectList(${classInfo.className} ${classInfo.className?uncap_first});
/**
* 动态条件分页查询 - 根据对象属性自动构建条件
* 如果字段有值则进行分页+指定条件查询，否则仅进行分页查询
*/
@Select("""
<script>
SELECT * FROM ${classInfo.tableName}
<where>
<#list classInfo.fieldList as fieldItem>
<#if fieldItem.fieldClass?contains("String")>
<if test='queryParamDTO.${fieldItem.fieldName} != null and queryParamDTO.${fieldItem.fieldName} != ""'>
AND ${fieldItem.columnName} = 井{queryParamDTO.${fieldItem.fieldName}}
</if>
<#else>
<if test='queryParamDTO.${fieldItem.fieldName} != null'>
AND ${fieldItem.columnName} = 井{queryParamDTO.${fieldItem.fieldName}}
</if>
</#if>
</#list>
</where>
ORDER BY id DESC
LIMIT 井{offset}, 井{limit}
</script>
""")
List<${classInfo.className}> pageByCondition(@Param("queryParamDTO") ${classInfo.className} queryParamDTO,
@Param("offset") int offset,
@Param("limit") int limit);
/**
* 动态条件分页查询总数
*/
@Select("""
<script>
SELECT COUNT(*) FROM ${classInfo.tableName}
<where>
<#list classInfo.fieldList as fieldItem>
<#if fieldItem.fieldClass?contains("String")>
<if test='queryParamDTO.${fieldItem.fieldName} != null and queryParamDTO.${fieldItem.fieldName} != ""'>
AND ${fieldItem.columnName} = 井{queryParamDTO.${fieldItem.fieldName}}
</if>
<#else>
<if test='queryParamDTO.${fieldItem.fieldName} != null'>
AND ${fieldItem.columnName} = 井{queryParamDTO.${fieldItem.fieldName}}
</if>
</#if>
</#list>
</where>
</script>
""")
int pageByConditionCount(@Param("queryParamDTO") ${classInfo.className} queryParamDTO);
}

8
src/main/resources/templates/code-generator/mybatis/service.ftl
View File

@ -26,11 +26,17 @@ public interface ${classInfo.className}Service {
/**
* 根据主键 id 查询
*/
public ${classInfo.className} load(int id);
public ${classInfo.className} find(int id);
/**
* 分页查询
*/
public Map<String,Object> pageList(int offset, int pagesize);
/**
* 动态条件分页查询 - 根据对象属性自动构建条件
* 如果字段有值则进行分页+指定条件查询，否则仅进行分页查询
*/
public Map<String,Object> pageByCondition(${classInfo.className} queryParamDTO, int offset, int pagesize);
}

18
src/main/resources/templates/code-generator/mybatis/service_impl.ftl
View File

@ -46,8 +46,8 @@ public class ${classInfo.className}ServiceImpl implements ${classInfo.className}
@Override
public ${classInfo.className} load(int id) {
return ${classInfo.className?uncap_first}Mapper.load(id);
public ${classInfo.className} find(int id) {
return ${classInfo.className?uncap_first}Mapper.find(id);
}
@ -65,4 +65,18 @@ public class ${classInfo.className}ServiceImpl implements ${classInfo.className}
return result;
}
@Override
public Map<String,Object> pageByCondition(${classInfo.className} queryParamDTO, int offset, int pagesize) {
List<${classInfo.className}> pageList = ${classInfo.className?uncap_first}Mapper.pageByCondition(queryParamDTO, offset, pagesize);
int totalCount = ${classInfo.className?uncap_first}Mapper.pageByConditionCount(queryParamDTO);
// result
Map<String, Object> result = new HashMap<String, Object>();
result.put("pageList", pageList);
result.put("totalCount", totalCount);
return result;
}
}