{"id":178570,"date":"2024-11-08T19:04:31","date_gmt":"2024-11-08T11:04:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178570\/"},"modified":"2024-11-08T19:04:32","modified_gmt":"2024-11-08T11:04:32","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42031-cr_params_not_bound-%e5%87%86%e5%a4%87%e8%af%ad%e5%8f%a5%e4%b8%ad%e6%9c%aa%e6%8f%90%e4%be%9b%e5%8f%82%e6%95%b0%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178570\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42031 &#8211; (CR_PARAMS_NOT_BOUND) \u51c6\u5907\u8bed\u53e5\u4e2d\u672a\u63d0\u4f9b\u53c2\u6570\u6570\u636e"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42031-cr_params_not_bound-%e5%87%86%e5%a4%87%e8%af%ad%e5%8f%a5%e4%b8%ad%e6%9c%aa%e6%8f%90%e4%be%9b%e5%8f%82%e6%95%b0%e6%95%b0%e6%8d%ae-QQNkTfPXyC\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42031 &#8211; (CR_PARAMS_NOT_BOUND) \u51c6\u5907\u8bed\u53e5\u4e2d\u672a\u63d0\u4f9b\u53c2\u6570\u6570\u636e<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa42031\uff0c\u8a72\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u201c(CR_PARAMS_NOT_BOUND) \u51c6\u5907\u8bed\u53e5\u4e2d\u672a\u63d0\u4f9b\u53c2\u6570\u6570\u636e\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u6642\uff0c\u8868\u793a\u5728\u57f7\u884c\u8a9e\u53e5\u4e4b\u524d\uff0c\u672a\u6b63\u78ba\u7d81\u5b9a\u6240\u9700\u7684\u53c3\u6578\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-QQNkTfPXyC\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u7684\u9810\u8655\u7406\u8a9e\u53e5\u662f\u4e00\u7a2e\u63d0\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u6027\u7684\u6280\u8853\uff0c\u901a\u904e\u5c07SQL\u8a9e\u53e5\u8207\u6578\u64da\u5206\u958b\u4f86\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u5728\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u4f7f\u7528\u4f54\u4f4d\u7b26\u4f86\u8868\u793a\u5c07\u8981\u63d2\u5165\u7684\u6578\u64da\u3002\u7576\u57f7\u884c\u9019\u4e9b\u8a9e\u53e5\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6240\u6709\u7684\u4f54\u4f4d\u7b26\u90fd\u5df2\u7d93\u88ab\u6b63\u78ba\u7d81\u5b9a\u3002\u5982\u679c\u6709\u4efb\u4f55\u4f54\u4f4d\u7b26\u672a\u88ab\u7d81\u5b9a\uff0c\u5c31\u6703\u5c0e\u81f4\u932f\u8aa42031\u7684\u767c\u751f\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e8%a6%8b%e6%83%85%e6%b3%81-QQNkTfPXyC\">\u5e38\u898b\u60c5\u6cc1<\/h3>\n<ul>\n<li>\u672a\u8abf\u7528\u7d81\u5b9a\u53c3\u6578\u7684\u51fd\u6578\u3002<\/li>\n<li>\u7d81\u5b9a\u7684\u53c3\u6578\u6578\u91cf\u8207\u4f54\u4f4d\u7b26\u7684\u6578\u91cf\u4e0d\u5339\u914d\u3002<\/li>\n<li>\u5728\u57f7\u884c\u8a9e\u53e5\u4e4b\u524d\uff0c\u672a\u6b63\u78ba\u8a2d\u7f6e\u53c3\u6578\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a42031-QQNkTfPXyC\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa42031<\/h2>\n<p>\u4fee\u5fa9MySQL\u932f\u8aa42031\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%bd%94%e4%bd%8d%e7%ac%a6%e7%9a%84%e6%95%b8%e9%87%8f-QQNkTfPXyC\">1. \u6aa2\u67e5\u4f54\u4f4d\u7b26\u7684\u6578\u91cf<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5SQL\u8a9e\u53e5\u4e2d\u4f54\u4f4d\u7b26\u7684\u6578\u91cf\uff0c\u78ba\u4fdd\u5b83\u5011\u8207\u7d81\u5b9a\u7684\u53c3\u6578\u6578\u91cf\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = ? AND password = ?<\/code><\/pre>\n<p>\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u9700\u8981\u7d81\u5b9a\u5169\u500b\u53c3\u6578\u3002\u5982\u679c\u53ea\u7d81\u5b9a\u4e86\u4e00\u500b\u53c3\u6578\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa42031\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e6%ad%a3%e7%a2%ba%e7%b6%81%e5%ae%9a%e5%8f%83%e6%95%b8-QQNkTfPXyC\">2. \u78ba\u4fdd\u6b63\u78ba\u7d81\u5b9a\u53c3\u6578<\/h3>\n<p>\u4f7f\u7528\u9069\u7576\u7684\u51fd\u6578\u4f86\u7d81\u5b9a\u53c3\u6578\u3002\u4f8b\u5982\uff0c\u5728PHP\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\n$stmt = $pdo-&gt;prepare(\"SELECT * FROM users WHERE username = ? AND password = ?\");\n$stmt-&gt;bindParam(1, $username);\n$stmt-&gt;bindParam(2, $password);\n$stmt-&gt;execute();\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u6211\u5011\u4f7f\u7528\u4e86bindParam\u51fd\u6578\u4f86\u7d81\u5b9a\u5169\u500b\u53c3\u6578\uff0c\u78ba\u4fdd\u5b83\u5011\u5728\u57f7\u884c\u8a9e\u53e5\u4e4b\u524d\u5df2\u7d93\u6b63\u78ba\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-QQNkTfPXyC\">3. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u7d81\u5b9a\u7684\u53c3\u6578\u6578\u64da\u985e\u578b\u8207\u6578\u64da\u5eab\u4e2d\u5c0d\u61c9\u5b57\u6bb5\u7684\u985e\u578b\u76f8\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u6bb5\u662f\u6574\u6578\u985e\u578b\uff0c\u800c\u4f60\u537b\u7d81\u5b9a\u4e86\u4e00\u500b\u5b57\u7b26\u4e32\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u932f\u8aa4\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-QQNkTfPXyC\">4. \u4f7f\u7528\u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528\u932f\u8aa4\u8655\u7406\u4f86\u6355\u7372\u548c\u8655\u7406\u9019\u985e\u932f\u8aa4\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u66f4\u5feb\u5730\u5b9a\u4f4d\u554f\u984c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\ntry {\n    $stmt-&gt;execute();\n} catch (PDOException $e) {\n    echo \"\u932f\u8aa4: \" . $e-&gt;getMessage();\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QQNkTfPXyC\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa42031\u901a\u5e38\u662f\u7531\u65bc\u9810\u8655\u7406\u8a9e\u53e5\u4e2d\u672a\u6b63\u78ba\u7d81\u5b9a\u53c3\u6578\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u4f54\u4f4d\u7b26\u7684\u6578\u91cf\u3001\u78ba\u4fdd\u6b63\u78ba\u7d81\u5b9a\u53c3\u6578\u3001\u6aa2\u67e5\u6578\u64da\u985e\u578b\u4ee5\u53ca\u4f7f\u7528\u932f\u8aa4\u8655\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4f60\u7684\u61c9\u7528\u5728\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u4e0a\u90fd\u80fd\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42031 (CR_PARAMS_NOT_BOUND)\uff0c\u89e3\u6c7a\u6e96\u5099\u8a9e\u53e5\u4e2d\u672a\u63d0\u4f9b\u53c3\u6578\u6578\u64da\u7684\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178570","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178570"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178570\/revisions"}],"predecessor-version":[{"id":178571,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178570\/revisions\/178571"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}