protected function onConstruct($argv = null)
{
$this->src = App::getApp()->src();
$this->adapter = Db::getAdapter($this->source);
$this->className = str_replace('/', '\\', $this->className);
list($this->namespace, $this->className) = parse_class($this->className);
if (empty($this->tableName)) {
$this->tableName = strtolower($this->className);
}
$this->tableName = Db::mkTableName($this->source, $this->className, $this->tableName);
}
public static function initModel()
{
if (!static::$_init) {
$isInit = true;
$class = static::class;
// todo: 这里要增加从缓存中读取
// 初始化表名
$table = Db::mkTableName(static::$dbSource, $class, static::$tableName, static::$tablePrefix);
static::$tableName =& $table;
$filter = static::getFilter();
$groupColumns = static::$groupColumns;
$pk = null;
$pkAutoInc = false;
$dbColumns = static::dbColumns();
$columns = static::$columns;
// =============================================================== //
// user : [a, b] + db : [b, c]
// [a(user), b(user), c(db)], b(db)
// when
// b(db) => [ a => 1, b => 2 ]
// b(user) => [ a => 2, c => 3 ]
// b(user) + b(db) => [ a => 2, c => 3, b => 2 ] (drop a => 1)
// =============================================================== //
// 数据库字段（dbColumns），全部由脚本读取数据库生成，他不包含任何用户手动定义的内容。
// 但用户定义的字段（static $columns），则由用户手工输入，包含了编辑类型、特定的属性声明，默认值等。
// 所以我们以用户定义的字段作为默认基础
// =============================================================== //
foreach ($columns + $dbColumns as $field => $column) {
if (is_string($column)) {
$column = ['label' => $column];
} elseif (!is_array($column)) {
$column = [];
}
if (isset($columns[$field]) && isset($dbColumns[$field])) {
$column += $dbColumns[$field];
}
if (!empty($column['pk']) && empty($pk)) {
$pk = $field;
$pkAutoInc = $column['autoInc'] ?? false;
}
$columns[$field] = $filter->initColumn($field, $column, $groupColumns, false);
}
// 全部字段过滤完以后，才来检查主键的有效性
if (empty($pk)) {
$pk = trim(static::$pk);
$pkAutoInc = static::$pkAutoInc;
if (!isset($columns[$pk])) {
$columns[$pk] = [];
}
}
$columns[$pk] = $filter->initColumn($pk, $columns[$pk], $groupColumns, true, $pkAutoInc);
if (static::isEnableCache()) {
$fields = array_keys($dbColumns);
sort($fields, SORT_ASC | SORT_STRING);
$groupColumns['columnsHash'] = hash('crc32b', implode('|', $fields));
}
static::$pk =& $pk;
static::$pkAutoInc =& $pkAutoInc;
static::$columns =& $columns;
static::$groupColumns =& $groupColumns;
static::$_init =& $isInit;
static::onInitModel();
}
}