新增聊天室发送图片功能
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<?php
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/**
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* 文件功能:为聊天消息表补充图片消息存储字段
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*/
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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/**
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* 聊天消息图片字段迁移
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* 为消息表增加图片类型、原图、缩略图与原始文件名字段。
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*/
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return new class extends Migration
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{
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/**
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* 执行迁移,补充图片消息类型与图片路径字段。
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*/
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public function up(): void
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{
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Schema::table('messages', function (Blueprint $table) {
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$table->string('message_type', 20)->default('text')->after('action')->comment('消息类型:text/image/expired_image');
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$table->string('image_path', 255)->nullable()->after('message_type')->comment('聊天图片原图相对路径');
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$table->string('image_thumb_path', 255)->nullable()->after('image_path')->comment('聊天图片缩略图相对路径');
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$table->string('image_original_name', 255)->nullable()->after('image_thumb_path')->comment('聊天图片原始文件名');
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});
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}
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/**
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* 回滚迁移,移除聊天图片相关字段。
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*/
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public function down(): void
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{
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Schema::table('messages', function (Blueprint $table) {
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$table->dropColumn([
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'message_type',
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'image_path',
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'image_thumb_path',
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'image_original_name',
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]);
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});
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}
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};
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