{"id":22291,"date":"2024-11-21T13:45:36","date_gmt":"2024-11-21T05:45:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/22291\/"},"modified":"2024-11-21T13:45:36","modified_gmt":"2024-11-21T05:45:36","slug":"thinkphp%e6%80%8e%e4%b9%88%e5%88%a4%e6%96%ad%e6%9f%a5%e8%af%a2%e7%bb%93%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/22291\/","title":{"rendered":"thinkphp\u600e\u4e48\u5224\u65ad\u67e5\u8be2\u7ed3\u679c"},"content":{"rendered":"

\u5728\u4f7f\u7528php\u8bed\u8a00\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5e38\u5e38\u9700\u8981\u901a\u8fc7sql\u8bed\u53e5\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u7136\u540e\u901a\u8fc7\u540e\u53f0\u9875\u9762\u5c55\u793a\u7ed9\u7528\u6237\u3002\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff0c\u4ee5\u4fbf\u4e8e\u5728\u51fa\u73b0\u5f02\u5e38\u60c5\u51b5\u65f6\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002\u800c\u5728\u4f7f\u7528thinkphp\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u65f6\uff0c\u5982\u4f55\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\u5462\uff1f\u4e0b\u9762\u5c06\u5bf9\u6b64\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n

\u4e00\u3001\u67e5\u8be2\u65b9\u6cd5<\/p>\n

\u5728ThinkPHP\u6846\u67b6\u4e0b\u8fdb\u884c\u6570\u636e\u67e5\u8be2\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528\u5230Model\u7c7b\u7684\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

    \n
  1. find()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u7b2c\u4e00\u6761\u5339\u914d\u5230\u7684\u6570\u636e\uff0c\u5e76\u4ee5\u4e00\u7ef4\u5173\u8054\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u6570\u636e\u3002<\/li>\n
  2. select()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6240\u6709\u5339\u914d\u5230\u7684\u6570\u636e\uff0c\u5e76\u4ee5\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u6240\u6709\u6570\u636e\u3002<\/li>\n
  3. field()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u6570\u636e\u3002<\/li>\n
  4. where()\u65b9\u6cd5\uff1a\u67e5\u8be2\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002<\/li>\n
  5. limit()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6307\u5b9a\u7684\u6570\u636e\u6761\u6570\u3002<\/li>\n
  6. order()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u6392\u5e8f\u65b9\u5f0f\u3002<\/li>\n
  7. join()\u65b9\u6cd5\uff1a\u67e5\u8be2\u591a\u6570\u636e\u8868\u4e2d\u76f8\u5173\u7684\u6570\u636e\u3002<\/li>\n
  8. count()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u603b\u6570\u3002<\/li>\n<\/ol>\n

    \u7b49\u7b49\u3002<\/p>\n

    \u4e8c\u3001\u5224\u65ad\u67e5\u8be2\u7ed3\u679c<\/p>\n

    \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    \u5728\u4f7f\u7528\u4ee5\u4e0a\u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u4ee5\u540e\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff0c\u4ee5\u786e\u5b9a\u8fd4\u56de\u6570\u636e\u7684\u5408\u6cd5\u6027\u548c\u6b63\u786e\u6027\u3002\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n

    1\u3001 \u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u662f\u5426\u4e3a\u7a7a<\/p>\n

    \u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff0c\u4f1a\u5bfc\u81f4\u540e\u7eed\u7684\u6570\u636e\u64cd\u4f5c\u51fa\u73b0\u5f02\u5e38\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528ThinkPHP\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff1a<\/p>\n

    $res = $User->where('id='.$id)->find();\nif(empty($res)){\n    echo \"\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff01\";\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    2\u3001\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u662f\u5426\u4e0e\u9884\u671f\u7ed3\u679c\u4e00\u81f4<\/p>\n
    \u5728\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6821\u9a8c\uff0c\u4ee5\u786e\u5b9a\u5176\u4e0e\u9884\u671f\u7ed3\u679c\u662f\u5426\u4e00\u81f4\u3002\u5e38\u89c4\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n
    $res = $User->where('id='.$id)->find();\nif($res['name'] !== 'abc'){\n    echo \"\u67e5\u8be2\u7ed3\u679c\u4e0e\u9884\u671f\u7ed3\u679c\u4e0d\u4e00\u81f4\uff01\";\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    3\u3001\u5982\u4f55\u5904\u7406\u67e5\u8be2\u7ed3\u679c<\/p>\n
    \u5728\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\u4e4b\u540e\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\uff0c\u4f8b\u5982\u6570\u636e\u7684\u66f4\u65b0\u3001\u5220\u9664\u7b49\u3002\u9488\u5bf9\u4e0d\u540c\u7684\u6570\u636e\u64cd\u4f5c\uff0c\u6211\u4eec\u7684\u5904\u7406\u65b9\u5f0f\u4e5f\u4e0d\u5c3d\u76f8\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5904\u7406\u65b9\u6cd5\uff1a<\/p>\n
    1\uff09\u5220\u9664\u6570\u636e\uff1a<\/p>\n
    $res = $User->where('id='.$id)->delete();\nif($res){\n    echo \"\u5220\u9664\u6210\u529f\uff01\";\n}else{\n    echo \"\u5220\u9664\u5931\u8d25\uff01\";\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    2\uff09\u66f4\u65b0\u6570\u636e\uff1a<\/p>\n
    $data = array('name'=>'abc','age'=>20);\n$res = $User->where('id='.$id)->save($data);\nif($res){\n    echo \"\u66f4\u65b0\u6210\u529f\uff01\";\n}else{\n    echo \"\u66f4\u65b0\u5931\u8d25\uff01\";\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    3\uff09\u63d2\u5165\u6570\u636e\uff1a<\/p>\n
    $data = array('name'=>'abc','age'=>20);\n$res = $User->add($data);\nif($res){\n    echo \"\u63d2\u5165\u6210\u529f\uff01\";\n}else{\n    echo \"\u63d2\u5165\u5931\u8d25\uff01\";\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    4\uff09\u5176\u4ed6\u64cd\u4f5c\uff1a<\/p>\n
    \u9664\u4ee5\u4e0a\u5e38\u89c1\u7684\u6570\u636e\u64cd\u4f5c\u4ee5\u5916\uff0c\u6211\u4eec\u5728\u5b9e\u9645\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u8fd8\u4f1a\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u67e5\u8be2\u591a\u8868\u6570\u636e\u3001\u6570\u636e\u8ba1\u6570\u3001\u6570\u636e\u5206\u9875\u7b49\u3002\u9488\u5bf9\u8fd9\u4e9b\u60c5\u51b5\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u3002\u5f53\u6570\u636e\u5904\u7406\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u518d\u6b21\u6821\u9a8c\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u548c\u5408\u6cd5\u6027\u3002<\/p>\n
    \u603b\u7ed3\uff1a<\/p>\n
    \u5728\u4f7f\u7528ThinkPHP\u6846\u67b6\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6b63\u786e\u6027\u548c\u5408\u6cd5\u6027\u3002\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u7684\u65b9\u5f0f\u5f88\u591a\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u9009\u62e9\u3002\u540c\u65f6\uff0c\u5728\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u524d\uff0c\u6211\u4eec\u8fd8\u9700\u5bf9\u6570\u636e\u8fdb\u884c\u8fdb\u4e00\u6b65\u6821\u9a8c\uff0c\u4ee5\u786e\u4fdd\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u548c\u5408\u6cd5\u6027\u3002\u8fd9\u662f\u4fdd\u8bc1\u7a0b\u5e8f\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u4fdd\u969c\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fthinkphp\u600e\u4e48\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\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\u4f7f\u7528php\u8bed\u8a00\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5e38\u5e38\u9700\u8981\u901a\u8fc7sql\u8bed\u53e5\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u7136\u540e\u901a\u8fc7\u540e\u53f0\u9875\u9762\u5c55\u793a\u7ed9\u7528\u6237\u3002\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff0c\u4ee5\u4fbf\u4e8e\u5728\u51fa\u73b0\u5f02\u5e38\u60c5\u51b5\u65f6\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002\u800c\u5728\u4f7f\u7528thinkphp\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u65f6\uff0c\u5982\u4f55\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\u5462\uff1f\u4e0b\u9762\u5c06\u5bf9\u6b64\u8fdb\u884c\u8be6\u7ec6\u4ecb\u7ecd\u3002 \u4e00\u3001\u67e5\u8be2\u65b9\u6cd5 \u5728ThinkPHP\u6846\u67b6\u4e0b\u8fdb\u884c\u6570\u636e\u67e5\u8be2\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528\u5230Model\u7c7b\u7684\u4ee5\u4e0b\u65b9\u6cd5\uff1a find()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u7b2c\u4e00\u6761\u5339\u914d\u5230\u7684\u6570\u636e\uff0c\u5e76\u4ee5\u4e00\u7ef4\u5173\u8054\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u6570\u636e\u3002 select()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6240\u6709\u5339\u914d\u5230\u7684\u6570\u636e\uff0c\u5e76\u4ee5\u6570\u7ec4\u7684\u5f62\u5f0f\u8fd4\u56de\u6240\u6709\u6570\u636e\u3002 field()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6307\u5b9a\u5b57\u6bb5\u7684\u6570\u636e\u3002 where()\u65b9\u6cd5\uff1a\u67e5\u8be2\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002 limit()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6307\u5b9a\u7684\u6570\u636e\u6761\u6570\u3002 order()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u6307\u5b9a\u5b57\u6bb5\u7684\u6392\u5e8f\u65b9\u5f0f\u3002 join()\u65b9\u6cd5\uff1a\u67e5\u8be2\u591a\u6570\u636e\u8868\u4e2d\u76f8\u5173\u7684\u6570\u636e\u3002 count()\u65b9\u6cd5\uff1a\u67e5\u8be2\u6570\u636e\u8868\u4e2d\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u603b\u6570\u3002 \u7b49\u7b49\u3002 \u4e8c\u3001\u5224\u65ad\u67e5\u8be2\u7ed3\u679c \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5728\u4f7f\u7528\u4ee5\u4e0a\u65b9\u6cd5\u83b7\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u4ee5\u540e\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff0c\u4ee5\u786e\u5b9a\u8fd4\u56de\u6570\u636e\u7684\u5408\u6cd5\u6027\u548c\u6b63\u786e\u6027\u3002\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a 1\u3001 \u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u662f\u5426\u4e3a\u7a7a \u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u65f6\uff0c\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff0c\u4f1a\u5bfc\u81f4\u540e\u7eed\u7684\u6570\u636e\u64cd\u4f5c\u51fa\u73b0\u5f02\u5e38\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528ThinkPHP\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\uff1a $res = $User->where(‘id=’.$id)->find(); if(empty($res)){ echo “\u67e5\u8be2\u7ed3\u679c\u4e3a\u7a7a\uff01”; } \u767b\u5f55\u540e\u590d\u5236 2\u3001\u5224\u65ad\u67e5\u8be2\u7ed3\u679c\u662f\u5426\u4e0e\u9884\u671f\u7ed3\u679c\u4e00\u81f4 \u5728\u8fdb\u884c\u6570\u636e\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6821\u9a8c\uff0c\u4ee5\u786e\u5b9a\u5176\u4e0e\u9884\u671f\u7ed3\u679c\u662f\u5426\u4e00\u81f4\u3002\u5e38\u89c4\u64cd\u4f5c\u5982\u4e0b\uff1a $res = $User->where(‘id=’.$id)->find(); if($res[‘name’] !== ‘abc’){ echo “\u67e5\u8be2\u7ed3\u679c\u4e0e\u9884\u671f\u7ed3\u679c\u4e0d\u4e00\u81f4\uff01”; } \u767b\u5f55\u540e\u590d\u5236 3\u3001\u5982\u4f55\u5904\u7406\u67e5\u8be2\u7ed3\u679c \u5728\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u5224\u65ad\u4e4b\u540e\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\uff0c\u4f8b\u5982\u6570\u636e\u7684\u66f4\u65b0\u3001\u5220\u9664\u7b49\u3002\u9488\u5bf9\u4e0d\u540c\u7684\u6570\u636e\u64cd\u4f5c\uff0c\u6211\u4eec\u7684\u5904\u7406\u65b9\u5f0f\u4e5f\u4e0d\u5c3d\u76f8\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5904\u7406\u65b9\u6cd5\uff1a 1\uff09\u5220\u9664\u6570\u636e\uff1a $res = $User->where(‘id=’.$id)->delete(); if($res){ echo “\u5220\u9664\u6210\u529f\uff01”; }else{ echo “\u5220\u9664\u5931\u8d25\uff01”; } \u767b\u5f55\u540e\u590d\u5236 2\uff09\u66f4\u65b0\u6570\u636e\uff1a $data = […]<\/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-22291","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22291","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=22291"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/22291\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=22291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=22291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=22291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}