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/Factory.php

@@ -0,0 +1,313 @@
+<?php
+
+namespace think\migration;
+
+use ArrayAccess;
+use Faker\Generator as Faker;
+
+class Factory implements ArrayAccess
+{
+
+    /**
+     * The model definitions in the container.
+     *
+     * @var array
+     */
+    protected $definitions = [];
+
+    /**
+     * The registered model states.
+     *
+     * @var array
+     */
+    protected $states = [];
+
+    /**
+     * The registered after making callbacks.
+     *
+     * @var array
+     */
+    protected $afterMaking = [];
+
+    /**
+     * The registered after creating callbacks.
+     *
+     * @var array
+     */
+    protected $afterCreating = [];
+
+    /**
+     * The Faker instance for the builder.
+     *
+     * @var Faker
+     */
+    protected $faker;
+
+    /**
+     * Create a new factory instance.
+     *
+     * @param Faker $faker
+     * @return void
+     */
+    public function __construct(Faker $faker)
+    {
+        $this->faker = $faker;
+    }
+
+    /**
+     * Define a class with a given short-name.
+     *
+     * @param string   $class
+     * @param string   $name
+     * @param callable $attributes
+     * @return $this
+     */
+    public function defineAs(string $class, string $name, callable $attributes)
+    {
+        return $this->define($class, $attributes, $name);
+    }
+
+    /**
+     * Define a class with a given set of attributes.
+     *
+     * @param string   $class
+     * @param callable $attributes
+     * @param string   $name
+     * @return $this
+     */
+    public function define(string $class, callable $attributes, string $name = 'default')
+    {
+        $this->definitions[$class][$name] = $attributes;
+
+        return $this;
+    }
+
+    /**
+     * Define a state with a given set of attributes.
+     *
+     * @param string         $class
+     * @param string         $state
+     * @param callable|array $attributes
+     * @return $this
+     */
+    public function state(string $class, string $state, $attributes)
+    {
+        $this->states[$class][$state] = $attributes;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after making a model.
+     *
+     * @param string   $class
+     * @param callable $callback
+     * @param string   $name
+     * @return $this
+     */
+    public function afterMaking(string $class, callable $callback, string $name = 'default')
+    {
+        $this->afterMaking[$class][$name][] = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after making a model with given state.
+     *
+     * @param string   $class
+     * @param string   $state
+     * @param callable $callback
+     * @return $this
+     */
+    public function afterMakingState(string $class, string $state, callable $callback)
+    {
+        return $this->afterMaking($class, $callback, $state);
+    }
+
+    /**
+     * Define a callback to run after creating a model.
+     *
+     * @param string   $class
+     * @param callable $callback
+     * @param string   $name
+     * @return $this
+     */
+    public function afterCreating(string $class, callable $callback, string $name = 'default')
+    {
+        $this->afterCreating[$class][$name][] = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Define a callback to run after creating a model with given state.
+     *
+     * @param string   $class
+     * @param string   $state
+     * @param callable $callback
+     * @return $this
+     */
+    public function afterCreatingState(string $class, string $state, callable $callback)
+    {
+        return $this->afterCreating($class, $callback, $state);
+    }
+
+    /**
+     * Create an instance of the given model and persist it to the database.
+     *
+     * @param string $class
+     * @param array  $attributes
+     * @return mixed
+     */
+    public function create(string $class, array $attributes = [])
+    {
+        return $this->of($class)->create($attributes);
+    }
+
+    /**
+     * Create an instance of the given model and type and persist it to the database.
+     *
+     * @param string $class
+     * @param string $name
+     * @param array  $attributes
+     * @return mixed
+     */
+    public function createAs(string $class, string $name, array $attributes = [])
+    {
+        return $this->of($class, $name)->create($attributes);
+    }
+
+    /**
+     * Create an instance of the given model.
+     *
+     * @param string $class
+     * @param array  $attributes
+     * @return mixed
+     */
+    public function make(string $class, array $attributes = [])
+    {
+        return $this->of($class)->make($attributes);
+    }
+
+    /**
+     * Create an instance of the given model and type.
+     *
+     * @param string $class
+     * @param string $name
+     * @param array  $attributes
+     * @return mixed
+     */
+    public function makeAs(string $class, string $name, array $attributes = [])
+    {
+        return $this->of($class, $name)->make($attributes);
+    }
+
+    /**
+     * Get the raw attribute array for a given named model.
+     *
+     * @param string $class
+     * @param string $name
+     * @param array  $attributes
+     * @return array
+     */
+    public function rawOf(string $class, string $name, array $attributes = [])
+    {
+        return $this->raw($class, $attributes, $name);
+    }
+
+    /**
+     * Get the raw attribute array for a given model.
+     *
+     * @param string $class
+     * @param array  $attributes
+     * @param string $name
+     * @return array
+     */
+    public function raw(string $class, array $attributes = [], string $name = 'default')
+    {
+        return array_merge(
+            call_user_func($this->definitions[$class][$name], $this->faker), $attributes
+        );
+    }
+
+    /**
+     * Create a builder for the given model.
+     *
+     * @param string $class
+     * @param string $name
+     * @return FactoryBuilder
+     */
+    public function of(string $class, string $name = 'default')
+    {
+        return new FactoryBuilder(
+            $class, $name, $this->definitions, $this->states,
+            $this->afterMaking, $this->afterCreating, $this->faker
+        );
+    }
+
+    /**
+     * Load factories from path.
+     *
+     * @param string $path
+     * @return $this
+     */
+    public function load(string $path)
+    {
+        $factory = $this;
+
+        if (is_dir($path)) {
+            foreach (glob($path . '*.php') as $file) {
+                require $file;
+            }
+        }
+
+        return $factory;
+    }
+
+    /**
+     * Determine if the given offset exists.
+     *
+     * @param string $offset
+     * @return bool
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->definitions[$offset]);
+    }
+
+    /**
+     * Get the value of the given offset.
+     *
+     * @param string $offset
+     * @return mixed
+     */
+    public function offsetGet($offset)
+    {
+        return $this->make($offset);
+    }
+
+    /**
+     * Set the given offset to the given value.
+     *
+     * @param string   $offset
+     * @param callable $value
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->define($offset, $value);
+    }
+
+    /**
+     * Unset the value at the given offset.
+     *
+     * @param string $offset
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->definitions[$offset]);
+    }
+
+}