| 提交 | 用户 | 时间 | ||
| a6de49 | 1 | /** |
| H | 2 | * Copyright (c) 2018 人人开源 All rights reserved. |
| 3 | * | |
| 4 | * https://www.renren.io | |
| 5 | * | |
| 6 | * 版权所有，侵权必究！ | |
| 7 | */ | |
| 8 | ||
| 9 | package com.iailab.framework.common.service.impl; | |
| 10 | ||
| 11 | import com.baomidou.mybatisplus.core.conditions.Wrapper; | |
| 12 | import com.baomidou.mybatisplus.core.enums.SqlMethod; | |
| 13 | import com.baomidou.mybatisplus.core.mapper.BaseMapper; | |
| 14 | import com.baomidou.mybatisplus.core.metadata.IPage; | |
| 15 | import com.baomidou.mybatisplus.core.metadata.OrderItem; | |
| 16 | import com.baomidou.mybatisplus.core.toolkit.Constants; | |
| 17 | import com.baomidou.mybatisplus.core.toolkit.ReflectionKit; | |
| 18 | import com.baomidou.mybatisplus.core.toolkit.StringUtils; | |
| 19 | import com.baomidou.mybatisplus.extension.plugins.pagination.Page; | |
| 20 | import com.baomidou.mybatisplus.extension.toolkit.SqlHelper; | |
| 21 | import com.iailab.framework.common.constant.Constant; | |
| 22 | import com.iailab.framework.common.page.PageData; | |
| 23 | import com.iailab.framework.common.service.BaseService; | |
| 24 | import com.iailab.framework.common.util.object.BeanUtils; | |
| 25 | import org.apache.ibatis.binding.MapperMethod; | |
| 26 | import org.apache.ibatis.logging.Log; | |
| 27 | import org.apache.ibatis.logging.LogFactory; | |
| 28 | import org.apache.ibatis.session.SqlSession; | |
| 29 | import org.springframework.beans.factory.annotation.Autowired; | |
| 30 | import org.springframework.transaction.annotation.Transactional; | |
| 31 | ||
| 32 | import java.io.Serializable; | |
| 33 | import java.util.Collection; | |
| 34 | import java.util.List; | |
| 35 | import java.util.Map; | |
| 36 | import java.util.function.BiConsumer; | |
| 37 | ||
| 38 | /** | |
| 39 | * 基础服务类，所有Service都要继承 | |
| 40 | * | |
| 41 | * @author Mark sunlightcs@gmail.com | |
| 42 | */ | |
| 43 | public abstract class BaseServiceImpl<M extends BaseMapper<T>, T> implements BaseService<T> { | |
| 44 | @Autowired | |
| 45 | protected M baseDao; | |
| 46 | protected Log log = LogFactory.getLog(getClass()); | |
| 47 | ||
| 48 | /** | |
| 49 | * 获取分页对象 | |
| 50 | * @param params 分页查询参数 | |
| 51 | * @param defaultOrderField 默认排序字段 | |
| 52 | * @param isAsc 排序方式 | |
| 53 | */ | |
| 54 | protected IPage<T> getPage(Map<String, Object> params, String defaultOrderField, boolean isAsc) { | |
| 55 | //分页参数 | |
| 56 | long curPage = 1; | |
| 57 | long limit = 10; | |
| 58 | ||
| 59 | if(params.get(Constant.PAGE) != null){ | |
| 60 | curPage = Long.parseLong((String)params.get(Constant.PAGE)); | |
| 61 | } | |
| 62 | if(params.get(Constant.LIMIT) != null){ | |
| 63 | limit = Long.parseLong((String)params.get(Constant.LIMIT)); | |
| 64 | } | |
| 65 | ||
| 66 | //分页对象 | |
| 67 | Page<T> page = new Page<>(curPage, limit); | |
| 68 | ||
| 69 | //分页参数 | |
| 70 | params.put(Constant.PAGE, page); | |
| 71 | ||
| 72 | //排序字段 | |
| 73 | String orderField = (String)params.get(Constant.ORDER_FIELD); | |
| 74 | String order = (String)params.get(Constant.ORDER); | |
| 75 | ||
| 76 | //前端字段排序 | |
| 77 | if(StringUtils.isNotBlank(orderField) && StringUtils.isNotBlank(order)){ | |
| 78 | if(Constant.ASC.equalsIgnoreCase(order)) { | |
| 79 | return page.addOrder(OrderItem.asc(orderField)); | |
| 80 | }else { | |
| 81 | return page.addOrder(OrderItem.desc(orderField)); | |
| 82 | } | |
| 83 | } | |
| 84 | ||
| 85 | //没有排序字段，则不排序 | |
| 86 | if(StringUtils.isBlank(defaultOrderField)){ | |
| 87 | return page; | |
| 88 | } | |
| 89 | ||
| 90 | //默认排序 | |
| 91 | if(isAsc) { | |
| 92 | page.addOrder(OrderItem.asc(defaultOrderField)); | |
| 93 | }else { | |
| 94 | page.addOrder(OrderItem.desc(defaultOrderField)); | |
| 95 | } | |
| 96 | ||
| 97 | return page; | |
| 98 | } | |
| 99 | ||
| 100 | protected <T> PageData<T> getPageData(List<?> list, long total, Class<T> target){ | |
| 101 | List<T> targetList = BeanUtils.toBean(list, target); | |
| 102 | ||
| 103 | return new PageData<>(targetList, total); | |
| 104 | } | |
| 105 | ||
| 106 | protected <T> PageData<T> getPageData(IPage page, Class<T> target){ | |
| 107 | return getPageData(page.getRecords(), page.getTotal(), target); | |
| 108 | } | |
| 109 | ||
| 110 | protected void paramsToLike(Map<String, Object> params, String... likes){ | |
| 111 | for (String like : likes){ | |
| 112 | String val = (String)params.get(like); | |
| 113 | if (StringUtils.isNotBlank(val)){ | |
| 114 | params.put(like, "%" + val + "%"); | |
| 115 | }else { | |
| 116 | params.put(like, null); | |
| 117 | } | |
| 118 | } | |
| 119 | } | |
| 120 | ||
| 121 | /** | |
| 122 | * <p> | |
| 123 | * 判断数据库操作是否成功 | |
| 124 | * </p> | |
| 125 | * <p> | |
| 126 | * 注意！！ 该方法为 Integer 判断，不可传入 int 基本类型 | |
| 127 | * </p> | |
| 128 | * | |
| 129 | * @param result 数据库操作返回影响条数 | |
| 130 | * @return boolean | |
| 131 | */ | |
| 132 | protected static boolean retBool(Integer result) { | |
| 133 | return SqlHelper.retBool(result); | |
| 134 | } | |
| 135 | ||
| 136 | protected Class<M> currentMapperClass() { | |
| 137 | return (Class<M>) ReflectionKit.getSuperClassGenericType(this.getClass(), BaseServiceImpl.class, 0); | |
| 138 | } | |
| 139 | ||
| 140 | @Override | |
| 141 | public Class<T> currentModelClass() { | |
| 142 | return (Class<T>)ReflectionKit.getSuperClassGenericType(this.getClass(), BaseServiceImpl.class, 1); | |
| 143 | } | |
| 144 | ||
| 145 | protected String getSqlStatement(SqlMethod sqlMethod) { | |
| 146 | return SqlHelper.getSqlStatement(this.currentMapperClass(), sqlMethod); | |
| 147 | } | |
| 148 | ||
| 149 | @Override | |
| 150 | public boolean insert(T entity) { | |
| 151 | return BaseServiceImpl.retBool(baseDao.insert(entity)); | |
| 152 | } | |
| 153 | ||
| 154 | @Override | |
| 155 | @Transactional(rollbackFor = Exception.class) | |
| 156 | public boolean insertBatch(Collection<T> entityList) { | |
| 157 | return insertBatch(entityList, 100); | |
| 158 | } | |
| 159 | ||
| 160 | /** | |
| 161 | * 批量插入 | |
| 162 | */ | |
| 163 | @Override | |
| 164 | @Transactional(rollbackFor = Exception.class) | |
| 165 | public boolean insertBatch(Collection<T> entityList, int batchSize) { | |
| 166 | String sqlStatement = getSqlStatement(SqlMethod.INSERT_ONE); | |
| 167 | return executeBatch(entityList, batchSize, (sqlSession, entity) -> sqlSession.insert(sqlStatement, entity)); | |
| 168 | } | |
| 169 | ||
| 170 | /** | |
| 171 | * 执行批量操作 | |
| 172 | */ | |
| 173 | protected <E> boolean executeBatch(Collection<E> list, int batchSize, BiConsumer<SqlSession, E> consumer) { | |
| 174 | return SqlHelper.executeBatch(this.currentModelClass(), this.log, list, batchSize, consumer); | |
| 175 | } | |
| 176 | ||
| 177 | ||
| 178 | @Override | |
| 179 | public boolean updateById(T entity) { | |
| 180 | return BaseServiceImpl.retBool(baseDao.updateById(entity)); | |
| 181 | } | |
| 182 | ||
| 183 | @Override | |
| 184 | public boolean update(T entity, Wrapper<T> updateWrapper) { | |
| 185 | return BaseServiceImpl.retBool(baseDao.update(entity, updateWrapper)); | |
| 186 | } | |
| 187 | ||
| 188 | @Override | |
| 189 | @Transactional(rollbackFor = Exception.class) | |
| 190 | public boolean updateBatchById(Collection<T> entityList) { | |
| 191 | return updateBatchById(entityList, 30); | |
| 192 | } | |
| 193 | ||
| 194 | @Override | |
| 195 | @Transactional(rollbackFor = Exception.class) | |
| 196 | public boolean updateBatchById(Collection<T> entityList, int batchSize) { | |
| 197 | String sqlStatement = getSqlStatement(SqlMethod.UPDATE_BY_ID); | |
| 198 | return executeBatch(entityList, batchSize, (sqlSession, entity) -> { | |
| 199 | MapperMethod.ParamMap<T> param = new MapperMethod.ParamMap<>(); | |
| 200 | param.put(Constants.ENTITY, entity); | |
| 201 | sqlSession.update(sqlStatement, param); | |
| 202 | }); | |
| 203 | } | |
| 204 | ||
| 205 | @Override | |
| 206 | public T selectById(Serializable id) { | |
| 207 | return baseDao.selectById(id); | |
| 208 | } | |
| 209 | ||
| 210 | @Override | |
| 211 | public boolean deleteById(Serializable id) { | |
| 212 | return SqlHelper.retBool(baseDao.deleteById(id)); | |
| 213 | } | |
| 214 | ||
| 215 | @Override | |
| 216 | public boolean deleteBatchIds(Collection<? extends Serializable> idList) { | |
| 217 | return SqlHelper.retBool(baseDao.deleteBatchIds(idList)); | |
| 218 | } | |
| 219 | } | |
