修复seeder错误；删除第三方的think迁移工具，在extend中重新实现；

extend/think/migration/db/Column.php

@@ -0,0 +1,171 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: yunwuxin <448901948@qq.com>
+// +----------------------------------------------------------------------
+
+namespace think\migration\db;
+
+use Phinx\Db\Adapter\AdapterInterface;
+use Phinx\Db\Adapter\MysqlAdapter;
+
+class Column extends \Phinx\Db\Table\Column
+{
+    protected $unique = false;
+
+    public function setNullable()
+    {
+        return $this->setNull(true);
+    }
+
+    public function setUnsigned()
+    {
+        return $this->setSigned(false);
+    }
+
+    public function setUnique()
+    {
+        $this->unique = true;
+        return $this;
+    }
+
+    public function getUnique()
+    {
+        return $this->unique;
+    }
+
+    public function isUnique()
+    {
+        return $this->getUnique();
+    }
+
+    public static function make($name, $type, $options = [])
+    {
+        $column = new self();
+        $column->setName($name);
+        $column->setType($type);
+        $column->setOptions($options);
+        return $column;
+    }
+
+    public static function bigInteger($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_BIG_INTEGER);
+    }
+
+    public static function binary($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_BLOB);
+    }
+
+    public static function boolean($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_BOOLEAN);
+    }
+
+    public static function char($name, $length = 255)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_CHAR, compact('length'));
+    }
+
+    public static function date($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_DATE);
+    }
+
+    public static function dateTime($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_DATETIME);
+    }
+
+    public static function decimal($name, $precision = 8, $scale = 2)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_DECIMAL, compact('precision', 'scale'));
+    }
+
+    public static function enum($name, array $values)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_ENUM, compact('values'));
+    }
+
+    public static function float($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_FLOAT);
+    }
+
+    public static function integer($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_INTEGER);
+    }
+
+    public static function json($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_JSON);
+    }
+
+    public static function jsonb($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_JSONB);
+    }
+
+    public static function longText($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_TEXT, ['length' => MysqlAdapter::TEXT_LONG]);
+    }
+
+    public static function mediumInteger($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_INTEGER, ['length' => MysqlAdapter::INT_MEDIUM]);
+    }
+
+    public static function mediumText($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_TEXT, ['length' => MysqlAdapter::TEXT_MEDIUM]);
+    }
+
+    public static function smallInteger($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_INTEGER, ['length' => MysqlAdapter::INT_SMALL]);
+    }
+
+    public static function string($name, $length = 255)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_STRING, compact('length'));
+    }
+
+    public static function text($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_TEXT);
+    }
+
+    public static function time($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_TIME);
+    }
+
+    public static function tinyInteger($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_INTEGER, ['length' => MysqlAdapter::INT_TINY]);
+    }
+
+    public static function unsignedInteger($name)
+    {
+        return self::integer($name)->setUnSigned();
+    }
+
+    public static function timestamp($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_TIMESTAMP, ['null' => true, 'default' => null]);
+    }
+
+    public static function uuid($name)
+    {
+        return self::make($name, AdapterInterface::PHINX_TYPE_UUID);
+    }
+
+}