{"id":342,"date":"2017-11-08T14:26:58","date_gmt":"2017-11-08T06:26:58","guid":{"rendered":"http:\/\/www.cxybj.com\/?p=342"},"modified":"2017-11-08T14:27:35","modified_gmt":"2017-11-08T06:27:35","slug":"thinkphp5-%e5%88%a4%e6%96%ad%e6%95%b0%e6%8d%ae%e9%9b%86%e6%95%b0%e7%bb%84%e6%98%af%e5%90%a6%e4%b8%ba%e7%a9%ba%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.cxybj.com\/?p=342","title":{"rendered":"thinkphp5 \u5224\u65ad\u6570\u636e\u96c6\u6570\u7ec4\u662f\u5426\u4e3a\u7a7a\u7684\u65b9\u6cd5"},"content":{"rendered":"<p>\u4fee\u6539\u914d\u7f6e\u6570\u636e\u5e93database.php\u7684resultset_type\u53c2\u6570\u5982\u4e0b:<\/p>\n<pre>\/\/ \u6570\u636e\u96c6\u8fd4\u56de\u7c7b\u578b\r\n'resultset_type' =&gt; 'collection',\r\n\uff08\u6570\u636e\u5e93\u7684\u67e5\u8be2\u7ed3\u679c\u4e5f\u5c31\u662f\u6570\u636e\u96c6\uff0c\u9ed8\u8ba4\u7684\u914d\u7f6e\u4e0b\uff0c\u6570\u636e\u96c6\u7684\u7c7b\u578b\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6211\u4eec\u53ef\u4ee5\u914d\u7f6e\u6210\u6570\u636e\u96c6\u7c7b\uff0c\r\n\u5c31\u53ef\u4ee5\u652f\u6301\u5bf9\u6570\u636e\u96c6\u66f4\u591a\u7684\u5bf9\u8c61\u5316\u64cd\u4f5c\uff09<\/pre>\n<pre>\u5982\u679c\u8981\u5224\u65ad\u6570\u636e\u96c6\u662f\u5426\u4e3a\u7a7a\uff0c\u800c\u5fc5\u987b\u4f7f\u7528\u6570\u636e\u96c6\u5bf9\u8c61\u7684isEmpty\u65b9\u6cd5\u5224\u65ad\uff1a\r\n<\/pre>\n<pre>$users = Db::name('user')-&gt;select();\r\nif($users-&gt;isEmpty()){\r\n    echo '\u6570\u636e\u96c6\u4e3a\u7a7a';\r\n}<\/pre>\n<pre>\u5b98\u65b9\u8bf4\u660e\u8bf7\u8bbf\u95ee\uff1ahttps:\/\/www.kancloud.cn\/manual\/thinkphp5\/150164<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u6539\u914d\u7f6e\u6570\u636e\u5e93database.php\u7684resultset_ &hellip; <a href=\"https:\/\/www.cxybj.com\/?p=342\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2,133],"tags":[],"_links":{"self":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/342"}],"collection":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=342"}],"version-history":[{"count":2,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/342\/revisions"}],"predecessor-version":[{"id":344,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=\/wp\/v2\/posts\/342\/revisions\/344"}],"wp:attachment":[{"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cxybj.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}