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级联 删除 onDelete cascade 有大用
星期二, 2017-08-01 15:10 — adminshiping1
public function up()
{
Schema::create('article_article_type', function (Blueprint $table) {
$table->integer('article_id')->unsigned();;
$table->integer('article_type_id')->unsigned();;
$table->foreign('article_id')->references('article_id')->on('articles')->onDelete('cascade');
$table->foreign('article_type_id')->references('article_type_id')->on('article_types')->onDelete('cascade');
$table->primary(['article_id','article_type_id']);
});
}
public function down()
{
Schema::drop('article_article_type');
}
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