@Override
public int del(Object id, Class clazz) throws Exception {
EntityInfo entityInfo = ClassUtils.getEntityInfoByClazz(clazz);
if (entityInfo == null) {
throw new DaoException("无效的实体类class");
}
SqlHelper sqlHelper = SqlHelper.getDeleteHelper(clazz);
sqlHelper.append(" WHERE ").append(entityInfo.getPkClumnName()).append("=?");
sqlHelper.setParameters(id);
return del(sqlHelper, clazz);
}
@Override
public Map<String, Object> findMapById(Object id, Class clazz) throws Exception {
EntityInfo entityInfo = ClassUtils.getEntityInfoByClazz(clazz);
if (entityInfo == null) {
throw new DaoException("无效的实体类class");
}
SqlHelper sqlHelper = SqlHelper.getSelectHelper(clazz);
sqlHelper.append(" AND ").append(entityInfo.getPkClumnName()).append("=?");
sqlHelper.setParameters(id);
return searchMapForOne(sqlHelper);
}
public SqlHelper getUpdateSql(Map<String, Object> object, EntityInfo entityInfo) {
Object id = object.get(entityInfo.getPkName());
if (id == null) {
throw new DaoException("缺少主键id参数");
}
object.remove(entityInfo.getPkName());
SqlHelper sqlHelper = new SqlHelper("UPDATE ");
sqlHelper.append(entityInfo.getTableName()).append(" SET ");
// List<String> columns = new ArrayList<String>();
List<Object> values = new ArrayList<Object>();
Map<String, String> ptcMap = ClassUtils.propToColumnMap.get(entityInfo.getClazzName());
StringBuilder columnSql = new StringBuilder();
for (Map.Entry<String, Object> entry : object.entrySet()) {
if (entry.getValue() != null) {
values.add(entry.getValue());
if (!"".equals(columnSql.toString())) {
columnSql.append(",");
}
columnSql.append(ptcMap.get(entry.getKey()));
columnSql.append("=");
columnSql.append("?");
}
}
if (values.size() < 1) {
throw new DaoException("没有要更新的参数");
}
sqlHelper.append(columnSql.toString());
sqlHelper.append(" WHERE ");
sqlHelper.append(entityInfo.getPkClumnName());
sqlHelper.append("=?");
return sqlHelper;
}
@Override
public void batchDel(List<Object> ids, Class clazz) throws Exception {
EntityInfo entityInfo = ClassUtils.getEntityInfoByClazz(clazz);
if (entityInfo == null) {
throw new DaoException("无效的实体类class");
}
Object[] objects = new Object[ids.size()];
Arrays.fill(objects, "?");
SqlHelper sqlHelper = SqlHelper.getDeleteHelper(clazz);
sqlHelper
.append(" WHERE ")
.append(entityInfo.getPkClumnName())
.append(" IN (")
.append(StringUtils.join(objects, ","))
.append(")");
update(sqlHelper.getSql(), ids);
}