/**
+----------------------------------------------------------
* 更新一个数据对象
+----------------------------------------------------------
* @access protected
+----------------------------------------------------------
* @param Model $model 数据对象
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
* @throws ThinkExecption
+----------------------------------------------------------
*/
protected function _update($model)
{
$vo = $model->create('', 'edit');
if (!$vo) {
$this->error($model->getError());
}
$id = is_array($vo) ? $vo[$model->getPk()] : $vo->{$model->getPk()};
$guid = $model->getModelName() . '_' . $id;
if (S($guid) == $vo) {
$this->error(L('无需更新！'));
}
$result = $model->save($vo);
if ($result) {
$vo = $model->getById($id);
// 保存成功，更新缓存Vo对象
S($guid, $vo);
//数据保存触发器
if (method_exists($this, '_trigger')) {
$this->_trigger($vo);
}
if (!empty($_FILES)) {
//如果有文件上传
//执行默认上传操作
//保存附件信息到数据库
$this->_upload(MODULE_NAME, $id);
}
//成功提示
$this->success(L('_UPDATE_SUCCESS_'));
} else {
//错误提示
$this->error($model->getError());
}
}
/**
* 获取返回数据的关联记录
* @access protected
* @param mixed $result 返回数据
* @param string|array $name 关联名称
* @param boolean $return 是否返回关联数据本身
* @return array
*/
protected function getRelation(&$result, $name = '', $return = false)
{
if (!empty($this->link)) {
foreach ($this->link as $key => $val) {
$mappingName = !empty($val['mapping_name']) ? $val['mapping_name'] : $key;
// 映射名称
if (empty($name) || true === $name || $mappingName == $name || is_array($name) && in_array($mappingName, $name)) {
$mappingType = !empty($val['mapping_type']) ? $val['mapping_type'] : $val;
// 关联类型
$mappingClass = !empty($val['class_name']) ? $val['class_name'] : $key;
// 关联类名
$mappingFields = !empty($val['mapping_fields']) ? $val['mapping_fields'] : '*';
// 映射字段
$mappingCondition = !empty($val['condition']) ? $val['condition'] : '1=1';
// 关联条件
$mappingKey = !empty($val['mapping_key']) ? $val['mapping_key'] : $this->getPk();
// 关联键名
if (strtoupper($mappingClass) == strtoupper($this->name)) {
// 自引用关联 获取父键名
$mappingFk = !empty($val['parent_key']) ? $val['parent_key'] : 'parent_id';
} else {
$mappingFk = !empty($val['foreign_key']) ? $val['foreign_key'] : strtolower($this->name) . '_id';
// 关联外键
}
// 获取关联模型对象
$model = new Model($mappingClass);
switch ($mappingType) {
case HAS_ONE:
$pk = $result[$mappingKey];
$mappingCondition .= " AND {$mappingFk}='{$pk}'";
$relationData = $model->where($mappingCondition)->field($mappingFields)->find();
break;
case BELONGS_TO:
if (strtoupper($mappingClass) == strtoupper($this->name)) {
// 自引用关联 获取父键名
$mappingFk = !empty($val['parent_key']) ? $val['parent_key'] : 'parent_id';
} else {
$mappingFk = !empty($val['foreign_key']) ? $val['foreign_key'] : strtolower($model->getModelName()) . '_id';
// 关联外键
}
$fk = $result[$mappingFk];
$mappingCondition .= " AND {$model->getPk()}='{$fk}'";
$relationData = $model->where($mappingCondition)->field($mappingFields)->find();
break;
case HAS_MANY:
$pk = $result[$mappingKey];
$mappingCondition .= " AND {$mappingFk}='{$pk}'";
$mappingOrder = !empty($val['mapping_order']) ? $val['mapping_order'] : '';
$mappingLimit = !empty($val['mapping_limit']) ? $val['mapping_limit'] : '';
// 延时获取关联记录
$relationData = $model->where($mappingCondition)->field($mappingFields)->order($mappingOrder)->limit($mappingLimit)->select();
break;
case MANY_TO_MANY:
$pk = $result[$mappingKey];
$mappingCondition = " {$mappingFk}='{$pk}'";
$mappingOrder = $val['mapping_order'];
$mappingLimit = $val['mapping_limit'];
$mappingRelationFk = $val['relation_foreign_key'] ? $val['relation_foreign_key'] : $model->getModelName() . '_id';
$mappingRelationTable = $val['relation_table'] ? $val['relation_table'] : $this->getRelationTableName($model);
$sql = "SELECT b.{$mappingFields} FROM {$mappingRelationTable} AS a, " . $model->getTableName() . " AS b WHERE a.{$mappingRelationFk} = b.{$model->getPk()} AND a.{$mappingCondition}";
if (!empty($val['condition'])) {
$sql .= ' AND ' . $val['condition'];
}
if (!empty($mappingOrder)) {
$sql .= ' ORDER BY ' . $mappingOrder;
}
if (!empty($mappingLimit)) {
$sql .= ' LIMIT ' . $mappingLimit;
}
$relationData = $this->query($sql);
break;
}
if (!$return) {
if (isset($val['as_fields']) && in_array($mappingType, [HAS_ONE, BELONGS_TO])) {
// 支持直接把关联的字段值映射成数据对象中的某个字段
// 仅仅支持HAS_ONE BELONGS_TO
$fields = explode(',', $val['as_fields']);
foreach ($fields as $field) {
if (strpos($field, ':')) {
list($relationName, $nick) = explode(':', $field);
$result[$nick] = $relationData[$relationName];
} else {
$result[$field] = $relationData[$field];
}
}
} else {
$result[$mappingName] = $relationData;
}
unset($relationData);
} else {
return $relationData;
}
}
}
}
return $result;
}
