{"id":22666,"date":"2024-11-21T15:03:03","date_gmt":"2024-11-21T07:03:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22666\/"},"modified":"2024-11-21T15:03:03","modified_gmt":"2024-11-21T07:03:03","slug":"laravel-db-%e5%88%a0%e9%99%a4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22666\/","title":{"rendered":"laravel db \u5220\u9664"},"content":{"rendered":"

laravel db \u5220\u9664<\/p>\n

Laravel\u662f\u4e00\u4e2a\u975e\u5e38\u53d7\u6b22\u8fce\u7684PHP\u6846\u67b6\uff0c\u7531\u4e8e\u5176\u7b80\u5355\u6613\u7528\u4e14\u529f\u80fd\u5f3a\u5927\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u5f00\u53d1\u8005\u5f00\u59cb\u4f7f\u7528\u5b83\u3002\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528\u6570\u636e\u5e93\u662f\u975e\u5e38\u5e38\u89c1\u7684\uff0c\u4f46\u662f\u5728\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u6570\u636e\u5220\u9664\u7684\u60c5\u51b5\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLaravel\u4e2d\u5982\u4f55\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002<\/p>\n

Laravel\u4e2d\u7684\u5220\u9664\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6216\u67e5\u8be2\u6784\u5efa\u5668\u3002\u6211\u4eec\u5148\u4ecb\u7ecd\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664\u7684\u65b9\u6cd5\u3002<\/p>\n

    \n
  1. \u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664<\/li>\n<\/ol>\n

    \u5728Laravel\u4e2d\uff0cEloquent ORM\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u8f7b\u677e\u5730\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u636e\u5e93\u8bb0\u5f55\u3002<\/p>\n

    1.1 \u5355\u4e2a\u8bb0\u5f55\u5220\u9664<\/p>\n

    \u5220\u9664\u5355\u4e2a\u8bb0\u5f55\u7684\u4ee3\u7801\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528delete\u65b9\u6cd5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2aUser\u6a21\u578b\uff0c\u8be5\u6a21\u578b\u5bf9\u5e94\u4e86\u4e00\u4e2ausers\u8868\uff1a<\/p>\n

    \/\/ \u5220\u9664id\u4e3a1\u7684\u7528\u6237\n$user = AppUser::find(1);\n$user-&gt;delete();<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2did\u4e3a1\u7684\u8bb0\u5f55\u3002<\/p>\n
    1.2 \u591a\u4e2a\u8bb0\u5f55\u5220\u9664<\/p>\n
    \u5982\u679c\u6211\u4eec\u8981\u5220\u9664\u591a\u4e2a\u8bb0\u5f55\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528where\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u5220\u9664\u6240\u6709\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    \/\/ \u5220\u9664\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u7528\u6237\n$users = AppUser::where('age', '&gt;', 30)-&gt;get();\n$users-&gt;delete();<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2d\u6240\u6709\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u8bb0\u5f55\u3002<\/p>\n
      \n
    1. \u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u8fdb\u884c\u5220\u9664<\/li>\n<\/ol>\n
      \u9664\u4e86\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u8fdb\u884c\u5220\u9664\u3002\u67e5\u8be2\u6784\u5efa\u5668\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u6784\u5efaSQL\u67e5\u8be2\u8bed\u53e5\u3002<\/p>\n
      2.1 \u5355\u4e2a\u8bb0\u5f55\u5220\u9664<\/p>\n
      \u4e0eEloquent ORM\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u5220\u9664\u5355\u4e2a\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2ausers\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u540d\u4e3aid\u7684\u5b57\u6bb5\u3002\u8981\u5220\u9664id\u4e3a1\u7684\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      \/\/ \u5220\u9664id\u4e3a1\u7684\u7528\u6237\nDB::table('users')-&gt;where('id', '=', 1)-&gt;delete();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2did\u4e3a1\u7684\u8bb0\u5f55\u3002<\/p>\n
      2.2 \u591a\u4e2a\u8bb0\u5f55\u5220\u9664<\/p>\n
      \u5982\u679c\u6211\u4eec\u8981\u5220\u9664\u591a\u4e2a\u8bb0\u5f55\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528whereIn\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u5220\u9664id\u4e3a1\u30012\u30013\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      \/\/ \u5220\u9664id\u4e3a1\u30012\u30013\u7684\u7528\u6237\nDB::table('users')-&gt;whereIn('id', [1, 2, 3])-&gt;delete();<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2did\u4e3a1\u30012\u30013\u7684\u8bb0\u5f55\u3002<\/p>\n
      \u603b\u7ed3<\/p>\n
      \u5728Laravel\u4e2d\uff0c\u5220\u9664\u6570\u636e\u5e93\u8bb0\u5f55\u975e\u5e38\u5bb9\u6613\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6216\u67e5\u8be2\u6784\u5efa\u5668\u8fdb\u884c\u5220\u9664\u3002\u5728\u5220\u9664\u8bb0\u5f55\u65f6\uff0c\u8bf7\u786e\u4fdd\u60a8\u5df2\u7ecf\u786e\u8ba4\u5220\u9664\u7684\u5bf9\u8c61\u662f\u6b63\u786e\u7684\uff0c\u5e76\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u4ee5\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662flaravel db \u5220\u9664\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":"
      laravel db \u5220\u9664 Laravel\u662f\u4e00\u4e2a\u975e\u5e38\u53d7\u6b22\u8fce\u7684PHP\u6846\u67b6\uff0c\u7531\u4e8e\u5176\u7b80\u5355\u6613\u7528\u4e14\u529f\u80fd\u5f3a\u5927\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u5f00\u53d1\u8005\u5f00\u59cb\u4f7f\u7528\u5b83\u3002\u5728Laravel\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528\u6570\u636e\u5e93\u662f\u975e\u5e38\u5e38\u89c1\u7684\uff0c\u4f46\u662f\u5728\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u6570\u636e\u5220\u9664\u7684\u60c5\u51b5\u3002\u672c\u6587\u5c06\u4ecb\u7ecdLaravel\u4e2d\u5982\u4f55\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002 Laravel\u4e2d\u7684\u5220\u9664\u64cd\u4f5c\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u6216\u67e5\u8be2\u6784\u5efa\u5668\u3002\u6211\u4eec\u5148\u4ecb\u7ecd\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664\u7684\u65b9\u6cd5\u3002 \u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664 \u5728Laravel\u4e2d\uff0cEloquent ORM\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u8f7b\u677e\u5730\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eloquent ORM\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u636e\u5e93\u8bb0\u5f55\u3002 1.1 \u5355\u4e2a\u8bb0\u5f55\u5220\u9664 \u5220\u9664\u5355\u4e2a\u8bb0\u5f55\u7684\u4ee3\u7801\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528delete\u65b9\u6cd5\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2aUser\u6a21\u578b\uff0c\u8be5\u6a21\u578b\u5bf9\u5e94\u4e86\u4e00\u4e2ausers\u8868\uff1a \/\/ \u5220\u9664id\u4e3a1\u7684\u7528\u6237 $user = AppUser::find(1); $user-&gt;delete(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2did\u4e3a1\u7684\u8bb0\u5f55\u3002 1.2 \u591a\u4e2a\u8bb0\u5f55\u5220\u9664 \u5982\u679c\u6211\u4eec\u8981\u5220\u9664\u591a\u4e2a\u8bb0\u5f55\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528where\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u5220\u9664\u6240\u6709\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a \/\/ \u5220\u9664\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u7528\u6237 $users = AppUser::where(‘age’, ‘&gt;’, 30)-&gt;get(); $users-&gt;delete(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2d\u6240\u6709\u5e74\u9f84\u5927\u4e8e30\u5c81\u7684\u8bb0\u5f55\u3002 \u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u8fdb\u884c\u5220\u9664 \u9664\u4e86\u4f7f\u7528Eloquent ORM\u8fdb\u884c\u5220\u9664\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u8fdb\u884c\u5220\u9664\u3002\u67e5\u8be2\u6784\u5efa\u5668\u63d0\u4f9b\u4e86\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u6784\u5efaSQL\u67e5\u8be2\u8bed\u53e5\u3002 2.1 \u5355\u4e2a\u8bb0\u5f55\u5220\u9664 \u4e0eEloquent ORM\u4e00\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u6784\u5efa\u5668\u5220\u9664\u5355\u4e2a\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2ausers\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u540d\u4e3aid\u7684\u5b57\u6bb5\u3002\u8981\u5220\u9664id\u4e3a1\u7684\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a \/\/ \u5220\u9664id\u4e3a1\u7684\u7528\u6237 DB::table(‘users’)-&gt;where(‘id’, ‘=’, 1)-&gt;delete(); \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u9762\u7684\u4ee3\u7801\u5c06\u5220\u9664users\u8868\u4e2did\u4e3a1\u7684\u8bb0\u5f55\u3002 2.2 \u591a\u4e2a\u8bb0\u5f55\u5220\u9664 \u5982\u679c\u6211\u4eec\u8981\u5220\u9664\u591a\u4e2a\u8bb0\u5f55\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528whereIn\u6761\u4ef6\u8fdb\u884c\u7b5b\u9009\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u8981\u5220\u9664id\u4e3a1\u30012\u30013\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u4ee3\u7801\uff1a \/\/ \u5220\u9664id\u4e3a1\u30012\u30013\u7684\u7528\u6237 […]<\/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-22666","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22666","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=22666"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22666\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}