{"id":58558,"date":"2024-10-12T20:47:12","date_gmt":"2024-10-12T12:47:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58558\/"},"modified":"2024-10-12T20:47:13","modified_gmt":"2024-10-12T12:47:13","slug":"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%ef%bc%9a%e5%bf%ab%e9%80%9f%e5%88%aa%e9%99%a4%e4%bd%a0%e4%b8%8d%e9%9c%80%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-android%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58558\/","title":{"rendered":"Android\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\uff1a\u5feb\u901f\u522a\u9664\u4f60\u4e0d\u9700\u8981\u7684\u6578\u64da (android\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e8%aa%9e%e5%8f%a5%ef%bc%9a%e5%bf%ab%e9%80%9f%e5%88%aa%e9%99%a4%e4%bd%a0%e4%b8%8d%e9%9c%80%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-bhQUDyjccp\">Android\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\uff1a\u5feb\u901f\u522a\u9664\u4f60\u4e0d\u9700\u8981\u7684\u6578\u64da<\/h1>\n<p>\u5728Android\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u74b0\u3002\u96a8\u8457\u61c9\u7528\u7684\u4f7f\u7528\uff0c\u6578\u64da\u91cf\u6703\u4e0d\u65b7\u589e\u52a0\uff0c\u9019\u6642\u5019\u5c31\u9700\u8981\u6709\u6548\u7684\u6578\u64da\u522a\u9664\u7b56\u7565\u4f86\u91cb\u653e\u7a7a\u9593\u548c\u63d0\u9ad8\u6027\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eAndroid\u6578\u64da\u5eab\u4e2d\u7684\u522a\u9664\u8a9e\u53e5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-bhQUDyjccp\">Android\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>Android\u4e3b\u8981\u4f7f\u7528SQLite\u4f5c\u70ba\u5167\u90e8\u6578\u64da\u5eab\u3002SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\uff0c\u9069\u5408\u7528\u65bc\u79fb\u52d5\u8a2d\u5099\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904eSQL\u8a9e\u53e5\u4f86\u64cd\u4f5c\u6578\u64da\uff0c\u5305\u62ec\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-bhQUDyjccp\">\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728SQLite\u4e2d\uff0c\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u6703\u6839\u64da\u6307\u5b9a\u7684\u689d\u4ef6\u522a\u9664\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002\u5982\u679c\u4e0d\u52a0\u689d\u4ef6\uff0c\u5247\u6703\u522a\u9664\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u9019\u901a\u5e38\u4e0d\u662f\u6211\u5011\u60f3\u8981\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8delete%e8%aa%9e%e5%8f%a5%e7%9a%84%e7%a4%ba%e4%be%8b-bhQUDyjccp\">\u4f7f\u7528DELETE\u8a9e\u53e5\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528DELETE\u8a9e\u53e5\u522a\u9664\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SQLiteDatabase db = this.getWritableDatabase();\nString whereClause = \"id = ?\";\nString[] whereArgs = new String[] { \"1\" };\ndb.delete(\"users\", whereClause, whereArgs);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5f9e\u540d\u70ba\u201cusers\u201d\u7684\u8868\u4e2d\u522a\u9664id\u70ba1\u7684\u7528\u6236\u3002\u9019\u6a23\u7684\u64cd\u4f5c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5197\u9918\u3002<\/p>\n<h2 id=\"%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-bhQUDyjccp\">\u6279\u91cf\u522a\u9664\u6578\u64da<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u591a\u689d\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528IN\u8a9e\u53e5\u4f86\u9054\u6210\uff1a<\/p>\n<pre><code>String whereClause = \"id IN (?, ?)\";\nString[] whereArgs = new String[] { \"1\", \"2\" };\ndb.delete(\"users\", whereClause, whereArgs);<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u4e00\u6b21\u6027\u522a\u9664id\u70ba1\u548c2\u7684\u7528\u6236\uff0c\u5f9e\u800c\u63d0\u9ad8\u64cd\u4f5c\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b4%e5%80%8b%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-bhQUDyjccp\">\u522a\u9664\u6574\u500b\u8868\u4e2d\u7684\u6578\u64da<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>db.delete(\"users\", null, null);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u6703\u522a\u9664\u201cusers\u201d\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u4f46\u8868\u7d50\u69cb\u4ecd\u7136\u4fdd\u7559\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bhQUDyjccp\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u522a\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u57f7\u884cDELETE\u8a9e\u53e5\u6642\u8981\u7279\u5225\u5c0f\u5fc3\u3002<\/li>\n<li>\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u5305\u88f9\u522a\u9664\u64cd\u4f5c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bhQUDyjccp\">\u7e3d\u7d50<\/h2>\n<p>\u5728Android\u958b\u767c\u4e2d\uff0c\u638c\u63e1\u6578\u64da\u5eab\u7684\u522a\u9664\u8a9e\u53e5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528DELETE\u8a9e\u53e5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u61c9\u7528\u4e2d\u7684\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u95dc\u9375\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u4f60\u7684\u61c9\u7528\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u5b78\u7fd2Android\u6578\u64da\u5eab\u522a\u9664\u8a9e\u53e5\uff0c\u8f15\u9b06\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-58558","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58558","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=58558"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58558\/revisions"}],"predecessor-version":[{"id":58559,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58558\/revisions\/58559"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}