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模型基本雏形

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molong
2017-06-19 00:09:18 +08:00
parent ac1e6a634f
commit 571b9841b1
13 changed files with 372 additions and 373 deletions
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70
core/extend/com/Datatable.php
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@@ -23,6 +23,24 @@ class Datatable {
protected $engine_type = 'MyISAM'; /*数据库引擎*/
protected $key = 'id'; /*数据库主键*/
public $sql = ''; /*最后生成的sql语句*/
protected $typeAlist = array(
"text" => "VARCHAR",
"string" => "VARCHAR",
"password" => "VARCHAR",
"textarea" => "TEXT",
"bool" => "INT",
"select" => "INT",
"num" => "INT",
"decimal" => "DECIMAL",
"tags" => "VARCHAR",
"datetime" => "INT",
"date" => "INT",
"editor" => "TEXT",
"bind" => "INT",
"image" => "INT",
"images" => "VARCHAR",
"attach" => "VARCHAR",
);
/**
* 初始化数据库信息
@@ -42,7 +60,7 @@ class Datatable {
* @param string $table 表名
* @return void 空
*/
public function initTable($table = '', $comment = '', $pk = '', $time = true){
public function initTable($table = '', $comment = '', $pk = '', $time = true) {
$this->table = $this->getTablename($table, true);
if ($pk) {
@@ -54,17 +72,17 @@ class Datatable {
$sql[] = $this->generateField('update_time', 'int', 11, 0, '创建时间', false);
}
$primary = $pk ? "PRIMARY KEY (`".$pk."`)" : '';
$primary = $pk ? "PRIMARY KEY (`" . $pk . "`)" : '';
if ($primary) {
$generatesql = implode(',', $sql) . ',';
}else{
} else {
$generatesql = implode(',', $sql);
}
$create = "CREATE TABLE IF NOT EXISTS `" . $this->table . "`("
. $generatesql
. $primary
. ") ENGINE=" . $this->engine_type . " AUTO_INCREMENT=1 DEFAULT CHARSET=" . $this->charset . " ROW_FORMAT=DYNAMIC COMMENT='" . $comment . "';";
. $generatesql
. $primary
. ") ENGINE=" . $this->engine_type . " AUTO_INCREMENT=1 DEFAULT CHARSET=" . $this->charset . " ROW_FORMAT=DYNAMIC COMMENT='" . $comment . "';";
$this->sql = $create;
return $this;
}
@@ -75,14 +93,14 @@ class Datatable {
* @var comment 字段的描述
* @author colin <colin@tensent.cn>
*/
public function generateField($key = '', $type = '', $length = 11, $default = '', $comment = '主键', $is_auto_increment = false){
public function generateField($key = '', $type = '', $length = 11, $default = '', $comment = '主键', $is_auto_increment = false) {
if ($key && $type) {
$auto_increment = $is_auto_increment ? 'AUTO_INCREMENT' : '';
$field_type = $length ? $type.'('.$length.')' : $type;
$signed = in_array($type, array('int', 'float', 'double')) ? 'signed' : '';
$comment = $comment ? "COMMENT '" . $comment . "'" : "";
$default = $default ? "DEFAULT '" . $default . "'" : "";
$sql = "`{$key}` {$field_type} {$signed} NOT NULL {$default} $auto_increment {$comment}";
$field_type = $length ? $type . '(' . $length . ')' : $type;
$signed = in_array($type, array('int', 'float', 'double')) ? 'signed' : '';
$comment = $comment ? "COMMENT '" . $comment . "'" : "";
$default = $default ? "DEFAULT '" . $default . "'" : "";
$sql = "`{$key}` {$field_type} {$signed} NOT NULL {$default} $auto_increment {$comment}";
}
return $sql;
}
@@ -96,31 +114,27 @@ class Datatable {
*/
public function columField($table, $attr = array()) {
$field_attr['table'] = $table ? $this->getTablename($table, true) : $this->table;
$field_attr['field'] = $attr['field'];
$field_attr['type'] = $attr['type'] ? $attr['type'] : 'varchar';
$field_attr['name'] = $attr['name'];
$field_attr['type'] = $attr['type'] ? $this->typeAlist[$attr['type']] : 'varchar';
if (intval($attr['length']) && $attr['length']) {
$field_attr['length'] = "(" . $attr['length'] . ")";
} else {
$field_attr['length'] = "";
}
$field_attr['is_null'] = $attr['is_null'] ? 'NOT NULL' : 'null';
$field_attr['default'] = $attr['default'] != '' ? 'default "' . $attr['default'] . '"' : 'default null';
if ($field_attr['is_null'] == 'null') {
$field_attr['default'] = $field_attr['default'];
} else {
$field_attr['default'] = '';
}
$field_attr['comment'] = (isset($attr['comment']) && $attr['comment']) ? $attr['comment'] : '';
$field_attr['oldname'] = (isset($attr['oldname']) && $attr['oldname']) ? $attr['oldname'] : '';
$field_attr['newname'] = (isset($attr['newname']) && $attr['newname']) ? $attr['newname'] : $field_attr['field'];
$field_attr['after'] = (isset($attr['after']) && $attr['after']) ? ' AFTER `' . $attr['after'] . '`' : '';
$field_attr['is_null'] = $attr['is_must'] ? 'NOT NULL' : 'NULL';
$field_attr['default'] = $attr['value'] != '' ? 'DEFAULT "' . $attr['default'] . '"' : 'DEFAULT null';
$field_attr['comment'] = (isset($attr['remark']) && $attr['remark']) ? $attr['remark'] : $attr['title'];
$field_attr['after'] = (isset($attr['after']) && $attr['after']) ? ' AFTER `' . $attr['after'] . '`' : ' AFTER `id`';
$field_attr['action'] = (isset($attr['action']) && $attr['action']) ? $attr['action'] : 'ADD';
//确认表是否存在
if ($field_attr['action'] == 'ADD') {
$this->sql = "ALTER TABLE `{$field_attr['table']}` ADD `{$field_attr['field']}` {$field_attr['type']}{$field_attr['length']} {$field_attr['is_null']} {$field_attr['default']} COMMENT '{$field_attr['comment']}'";
$this->sql = "ALTER TABLE `{$field_attr['table']}` ADD `{$field_attr['name']}` {$field_attr['type']}{$field_attr['length']} {$field_attr['is_null']} {$field_attr['default']} COMMENT '{$field_attr['comment']}' {$field_attr['after']}";
} elseif ($field_attr['action'] == 'CHANGE') {
$this->sql = "ALTER TABLE `{$field_attr['table']}` CHANGE `{$field_attr['oldname']}` `{$field_attr['newname']}` {$field_attr['type']}{$field_attr['length']} {$field_attr['is_null']} {$field_attr['default']} COMMENT '{$field_attr['comment']}'";
$field_attr['oldname'] = (isset($attr['oldname']) && $attr['oldname']) ? $attr['oldname'] : '';
$this->sql = "ALTER TABLE `{$field_attr['table']}` CHANGE `{$field_attr['oldname']}` `{$field_attr['name']}` {$field_attr['type']}{$field_attr['length']} {$field_attr['is_null']} {$field_attr['default']} COMMENT '{$field_attr['comment']}'";
}
return $this;
}