{"id":23800,"date":"2024-11-21T13:18:41","date_gmt":"2024-11-21T05:18:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/23800\/"},"modified":"2024-11-21T13:18:41","modified_gmt":"2024-11-21T05:18:41","slug":"laravel-%e4%bc%98%e5%8c%96%e6%9f%a5%e8%af%a2%e6%95%88%e7%8e%87-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/23800\/","title":{"rendered":"laravel \u4f18\u5316\u67e5\u8be2\u6548\u7387"},"content":{"rendered":"

\u5728\u5f00\u53d1 web \u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u67e5\u8be2\u6570\u636e\u5e93\u662f\u4e0d\u53ef\u907f\u514d\u7684\u5de5\u4f5c\uff0c\u5c24\u5176\u662f\u5f53\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019\uff0c\u67e5\u8be2\u7684\u6548\u7387\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5bf9\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u65b9\u5f0f\u6765\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u7279\u522b\u662f\u5728\u4f7f\u7528 laravel \u6846\u67b6\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n

\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316 Laravel \u67e5\u8be2\u6548\u7387\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u4f7f\u7528\u7d22\u5f15<\/h2>\n

\u7d22\u5f15\u662f\u4e00\u79cd\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u7528\u4e8e\u5bf9\u8868\u4e2d\u7684\u5217\u503c\u8fdb\u884c\u6392\u5e8f\u548c\u67e5\u627e\u3002\u521b\u5efa\u7d22\u5f15\u53ef\u4ee5\u52a0\u5feb\u67e5\u8be2\u548c\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u3002\u5728 Laravel \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fc1\u79fb\u6587\u4ef6\u6765\u4e3a\u8868\u7684\u5217\u521b\u5efa\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/p>\n

\/\/ \u4e3a users \u8868\u7684 email \u5217\u521b\u5efa\u7d22\u5f15\nSchema::table('users', function (Blueprint $table) {\n    $table-&gt;index('email');\n});<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 unique() \u65b9\u6cd5\u6765\u4e3a\u5217\u521b\u5efa\u552f\u4e00\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/p>\n
\/\/ \u4e3a users \u8868\u7684 email \u5217\u521b\u5efa\u552f\u4e00\u7d22\u5f15\nSchema::table('users', function (Blueprint $table) {\n    $table-&gt;unique('email');\n});<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u521b\u5efa\u8fc7\u591a\u7684\u7d22\u5f15\u4e5f\u4f1a\u964d\u4f4e\u6570\u636e\u5e93\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u7d22\u5f15\u3002<\/p>\n
\u4f7f\u7528\u8f6f\u5220\u9664<\/h2>\n
Laravel \u4e2d\u7684\u8f6f\u5220\u9664\u662f\u6307\u5c06\u88ab\u5220\u9664\u7684\u6570\u636e\u6807\u8bb0\u4e3a\u5df2\u5220\u9664\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u9632\u6b62\u8bef\u5220\u9664\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u8f7b\u677e\u5730\u6062\u590d\u5df2\u5220\u9664\u7684\u6570\u636e\u3002\u5728\u67e5\u8be2\u65f6\uff0cLaravel \u9ed8\u8ba4\u4e0d\u5305\u62ec\u5df2\u5220\u9664\u7684\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u5728\u5220\u9664\u6570\u636e\u65f6\u4f7f\u7528\u8f6f\u5220\u9664\uff0c\u53ef\u4ee5\u51cf\u5c11\u67e5\u8be2\u6570\u636e\u7684\u6570\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/p>\n
\u8981\u4f7f\u7528\u8f6f\u5220\u9664\uff0c\u53ea\u9700\u4e3a\u6a21\u578b\u6dfb\u52a0 SoftDeletes trait\uff0c\u5e76\u5728\u76f8\u5e94\u7684\u6570\u636e\u8868\u4e2d\u6dfb\u52a0 deleted_at \u5217\u5373\u53ef\u3002\u4f8b\u5982\uff1a<\/p>\n
use IlluminateDatabaseEloquentModel;\nuse IlluminateDatabaseEloquentSoftDeletes;\n\nclass Post extends Model\n{\n    use SoftDeletes;\n\n    protected $dates = ['deleted_at'];\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4f7f\u7528\u7f13\u5b58<\/h2>\n
\u7f13\u5b58\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4f18\u5316\u67e5\u8be2\u6548\u7387\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u7ecf\u5e38\u88ab\u8bbf\u95ee\u7684\u6570\u636e\u7f13\u5b58\u5230\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u4e86\u91cd\u590d\u67e5\u8be2\u7684\u6b21\u6570\uff0c\u52a0\u5feb\u4e86\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u3002\u5728 Laravel \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7f13\u5b58\u6765\u5b58\u50a8\u67e5\u8be2\u7ed3\u679c\u3002\u4f8b\u5982\uff1a<\/p>\n
\/\/ \u5c06\u67e5\u8be2\u7ed3\u679c\u7f13\u5b58 10 \u5206\u949f\n$users = Cache::remember('users', 10, function () {\n    return DB::table('users')-&gt;get();\n});<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 Cache::remember() \u65b9\u6cd5\u6765\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u3002\u8be5\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u7f13\u5b58\u7684\u952e\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u7f13\u5b58\u7684\u65f6\u95f4\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u6267\u884c\u67e5\u8be2\u7684\u95ed\u5305\u51fd\u6570\u3002<\/p>\n
\u61d2\u60f0\u52a0\u8f7d<\/h2>\n
\u5728\u67e5\u8be2\u5173\u8054\u6a21\u578b\u65f6\uff0cLaravel \u9ed8\u8ba4\u4f7f\u7528\u61d2\u60f0\u52a0\u8f7d\u3002\u5373\u53ea\u6709\u5728\u8bbf\u95ee\u5173\u8054\u6a21\u578b\u65f6\u624d\u4f1a\u6267\u884c\u67e5\u8be2\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u907f\u514d\u5728\u67e5\u8be2\u65f6\u540c\u65f6\u67e5\u8be2\u5927\u91cf\u7684\u5173\u8054\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u67e5\u8be2\u6548\u7387\u3002\u4f8b\u5982\uff1a<\/p>\n
$post = Post::find(1);\n\n\/\/ \u5f53\u9700\u8981\u8bbf\u95ee comments \u65f6\uff0c\u624d\u4f1a\u6267\u884c\u67e5\u8be2\nforeach ($post-&gt;comments as $comment) {\n    \/\/\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u67e5\u8be2\u65f6\u9700\u8981\u540c\u65f6\u8bbf\u95ee\u5927\u91cf\u7684\u5173\u8054\u6570\u636e\uff0c\u8fd8\u662f\u8981\u614e\u91cd\u8003\u8651\u4f7f\u7528\u61d2\u60f0\u52a0\u8f7d\u3002<\/p>\n
\u9884\u52a0\u8f7d<\/h2>\n
\u9884\u52a0\u8f7d\u662f\u6307\u5728\u67e5\u8be2\u65f6\u4e00\u6b21\u6027\u67e5\u8be2\u6240\u9700\u6570\u636e\u548c\u5173\u8054\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u67e5\u8be2\u7684\u6b21\u6570\uff0c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u5728 Laravel \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 with() \u65b9\u6cd5\u6765\u8fdb\u884c\u9884\u52a0\u8f7d\u3002\u4f8b\u5982\uff1a<\/p>\n
$posts = Post::with('comments')-&gt;get();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 with() \u65b9\u6cd5\u6765\u9884\u52a0\u8f7d\u4e86 comments \u5173\u8054\u6a21\u578b\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u67e5\u8be2\u65f6\u4e00\u6b21\u6027\u67e5\u8be2\u6240\u6709\u7684\u5e16\u5b50\u548c\u8bc4\u8bba\uff0c\u5e76\u4e00\u540c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n
\u603b\u7ed3\u4e00\u4e0b\uff0c\u901a\u8fc7\u4f7f\u7528\u7d22\u5f15\u3001\u8f6f\u5220\u9664\u3001\u7f13\u5b58\u3001\u61d2\u60f0\u52a0\u8f7d\u548c\u9884\u52a0\u8f7d\u7b49\u6280\u5de7\uff0c\u53ef\u4ee5\u6709\u6548\u4f18\u5316 Laravel \u67e5\u8be2\u6548\u7387\uff0c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662flaravel \u4f18\u5316\u67e5\u8be2\u6548\u7387\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728\u5f00\u53d1 web \u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u67e5\u8be2\u6570\u636e\u5e93\u662f\u4e0d\u53ef\u907f\u514d\u7684\u5de5\u4f5c\uff0c\u5c24\u5176\u662f\u5f53\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019\uff0c\u67e5\u8be2\u7684\u6548\u7387\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5bf9\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u65b9\u5f0f\u6765\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u7279\u522b\u662f\u5728\u4f7f\u7528 laravel \u6846\u67b6\u7684\u60c5\u51b5\u4e0b\u3002 \u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316 Laravel \u67e5\u8be2\u6548\u7387\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528\u7d22\u5f15 \u7d22\u5f15\u662f\u4e00\u79cd\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u7528\u4e8e\u5bf9\u8868\u4e2d\u7684\u5217\u503c\u8fdb\u884c\u6392\u5e8f\u548c\u67e5\u627e\u3002\u521b\u5efa\u7d22\u5f15\u53ef\u4ee5\u52a0\u5feb\u67e5\u8be2\u548c\u6570\u636e\u8bbf\u95ee\u901f\u5ea6\u3002\u5728 Laravel \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fc1\u79fb\u6587\u4ef6\u6765\u4e3a\u8868\u7684\u5217\u521b\u5efa\u7d22\u5f15\u3002\u4f8b\u5982\uff1a \/\/ \u4e3a users \u8868\u7684 email \u5217\u521b\u5efa\u7d22\u5f15 Schema::table(‘users’, function (Blueprint $table) { $table-&gt;index(’email’); }); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 unique() \u65b9\u6cd5\u6765\u4e3a\u5217\u521b\u5efa\u552f\u4e00\u7d22\u5f15\u3002\u4f8b\u5982\uff1a \/\/ \u4e3a users \u8868\u7684 email \u5217\u521b\u5efa\u552f\u4e00\u7d22\u5f15 Schema::table(‘users’, function (Blueprint $table) { $table-&gt;unique(’email’); }); \u767b\u5f55\u540e\u590d\u5236 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u521b\u5efa\u8fc7\u591a\u7684\u7d22\u5f15\u4e5f\u4f1a\u964d\u4f4e\u6570\u636e\u5e93\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u7d22\u5f15\u3002 \u4f7f\u7528\u8f6f\u5220\u9664 Laravel \u4e2d\u7684\u8f6f\u5220\u9664\u662f\u6307\u5c06\u88ab\u5220\u9664\u7684\u6570\u636e\u6807\u8bb0\u4e3a\u5df2\u5220\u9664\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4ece\u6570\u636e\u5e93\u4e2d\u5220\u9664\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u9632\u6b62\u8bef\u5220\u9664\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u8f7b\u677e\u5730\u6062\u590d\u5df2\u5220\u9664\u7684\u6570\u636e\u3002\u5728\u67e5\u8be2\u65f6\uff0cLaravel \u9ed8\u8ba4\u4e0d\u5305\u62ec\u5df2\u5220\u9664\u7684\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u5728\u5220\u9664\u6570\u636e\u65f6\u4f7f\u7528\u8f6f\u5220\u9664\uff0c\u53ef\u4ee5\u51cf\u5c11\u67e5\u8be2\u6570\u636e\u7684\u6570\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002 \u8981\u4f7f\u7528\u8f6f\u5220\u9664\uff0c\u53ea\u9700\u4e3a\u6a21\u578b\u6dfb\u52a0 SoftDeletes trait\uff0c\u5e76\u5728\u76f8\u5e94\u7684\u6570\u636e\u8868\u4e2d\u6dfb\u52a0 deleted_at \u5217\u5373\u53ef\u3002\u4f8b\u5982\uff1a use IlluminateDatabaseEloquentModel; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-23800","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=23800"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/23800\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=23800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=23800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=23800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}