{"id":8994,"date":"2022-12-03T19:39:48","date_gmt":"2022-12-03T11:39:48","guid":{"rendered":"http:\/\/123.57.164.21\/?p=8994"},"modified":"2022-12-03T19:39:48","modified_gmt":"2022-12-03T11:39:48","slug":"lombok-%e7%9a%84-equalsandhashcodecallsuper-false-%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=8994","title":{"rendered":"Lombok \u7684 @EqualsAndHashCode(callSuper = false) \u7684\u4f7f\u7528"},"content":{"rendered":"\n<p>\u8fd9\u4e2a\u6ce8\u89e3\u7684\u4f5c\u7528\u5c31\u662f\u81ea\u52a8\u7684\u7ed9model bean\u5b9e\u73b0equals\u65b9\u6cd5\u548chashcode\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\uff0c\u8fd9\u4e2a\u53c2\u6570\uff0ccallsuper = false \u6709\u95ee\u9898\u5417\uff1f<\/p>\n\n\n\n<p>\u4f60\u5728\u4f7f\u7528\u8fd9\u4e2a\u6ce8\u89e3\u7684\u65f6\u5019\uff0c\u786e\u5b9a\u77e5\u9053\u201c\u4e3a\u4ec0\u4e48\u8981\u91cd\u5199hashcode\u548cequals\u65b9\u6cd5\u5417\uff1f\u201d<\/p>\n\n\n\n<p>\u5148\u770b\u4e0b\u9762\u7684\u6d4b\u8bd5<\/p>\n\n\n\n<p>\u4e24\u4e2amodel\u7684\u4ee3\u7801\u6211\u5c31\u622a\u56fe\u5566\uff1a\u7236\u7c7b TV.java \u548c \u5b50\u7c7b \u5c0f\u7c73TV.java\uff0c\u4f7f\u7528\u8fd9\u4e2a\u6ce8\u89e3@EqualsAndHashCode(callSuper = false)\u00a0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-1024x914.png\" alt=\"\" class=\"wp-image-8995\" width=\"545\" height=\"486\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-1024x914.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-300x268.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-768x686.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-1536x1371.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-830x741.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-230x205.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-350x313.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44-480x429.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-44.png 1680w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><\/figure><\/div>\n\n\n\n<p>\u5c0f\u7c73tv\u7ee7\u627ftv\uff0c\u4ece\u7ee7\u627f\u89d2\u5ea6\u8bb2tv\u6709\u7684\u5c5e\u6027\uff0c\u5c0f\u7c73tv\u4e5f\u662f\u6709\u7684\u3002<\/p>\n\n\n\n<p>\u770b\u6d4b\u8bd5main\u65b9\u6cd5<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> \nimport com.lxk.model.XiaoMiTV;\n \n\/**\n * \u6d4b\u8bd5@EqualsAndHashCode\u6ce8\u89e3\u7684\u4f7f\u7528\n *\n * @author LiXuekai on 2019\/5\/10\n *\/\npublic class EqualsAndHashCodeTest {\n    public static void main(String[] args) {\n        XiaoMiTV tv1 = new XiaoMiTV(\"123\", \"lxk\", 1L, \"\u767d\");\n        XiaoMiTV tv2 = new XiaoMiTV(\"456\", \"sql\", 1L, \"\u767d\");\n        System.out.println(tv1.equals(tv2));\n    }\n}<\/pre>\n\n\n\n<p>\u6765\u5427\uff0c\u5927\u80c6\u731c\u6d4b\u4e00\u4e0b\uff0c\u8fd9\u4e2a\u4ee3\u7801\u7684\u8fd0\u884c\u7ed3\u679c\u3002true\u8fd8\u662ffalse\uff1f<\/p>\n\n\n\n<p>\u731c\u5b8c\u4e86\uff0c\u6765\u770b\u4e0b\u8fd0\u884c\u7ed3\u679c\u56fe\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-1024x486.png\" alt=\"\" class=\"wp-image-8996\" width=\"505\" height=\"239\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-1024x486.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-300x142.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-768x364.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-1536x728.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-830x394.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-230x109.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-350x166.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45-480x228.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-45.png 1708w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/figure><\/div>\n\n\n\n<p>\u8fd9\u4e2a\u56e0\u4e3a\u54b1\u5728\u5b50\u7c7b\u91cc\u9762\u8fd9\u4e48\u4f7f\u7528@EqualsAndHashCode(callSuper = false) \uff0c\u4e0d\u8c03\u7528\u7236\u7c7b\u7684\u5c5e\u6027\uff0c\u90a3\u4e48\u5b50\u7c7b\u5c5e\u6027\u91cc\u9762\u7684\u76f8\u540c\u7684\u8bdd\uff0c\u90a3hashcode\u7684\u503c\u5c31\u76f8\u540c\u5566\uff0c\u6240\u4ee5\u4ee3\u7801\u91cc\u9762\u76842\u4e2atv\u7684equals\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662ftrue<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u628a@EqualsAndHashCode(callSuper = false) \u7684false\u6539\u6210true\u4e4b\u540e\u7684\u7ed3\u679c\u5462\uff1f<\/p>\n\n\n\n<p>\u6765\uff0c\u518d\u731c\u6d4b\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u731c\u5b8c\u4e86\uff0c\u770b\u8fd0\u884c\u7ed3\u679c\uff08\u5c31\u53ea\u6539@EqualsAndHashCode(callSuper = false) \u91cc\u9762\u7684false\u6539\u6210true\uff09<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-1024x402.png\" alt=\"\" class=\"wp-image-8997\" width=\"504\" height=\"197\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-1024x402.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-300x118.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-768x301.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-1536x603.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-830x326.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-230x90.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-350x137.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46-480x188.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-46.png 1708w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/figure><\/div>\n\n\n\n<p>\u8fd9\u4e2a\u4f30\u8ba1\u5c31\u597d\u731c\u4e86\u3002@EqualsAndHashCode(callSuper = true)\uff0c\u90a3\u5c31\u662f\u7528\u81ea\u5df1\u7684\u5c5e\u6027\u548c\u4ece\u7236\u7c7b\u7ee7\u627f\u7684\u5c5e\u6027 \u6765\u751f\u6210hashcode\uff0c\u6bd4\u8f83\u7684\u7ed3\u679c\u5c31\u597d\u731c\u5566\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\uff0c\u518d\u628a@EqualsAndHashCode(callSuper = false) \u8fd9\u4e2a\u8bed\u53e5\u6ce8\u91ca\u4e86\u5462\uff1f\u8fd9\u4e2a\u65f6\u5019\u4ee3\u7801\u8fd0\u884c\u7ed3\u679c\u5982\u4f55\uff1f<\/p>\n\n\n\n<p>\u6765\uff0c\u8fd8\u662f\u518d\u731c\u4e00\u4e0b\u5427\u3002<\/p>\n\n\n\n<p>\u731c\u5b8c\u4e86\uff0c\u770b\u4e0b\u8fd0\u884c\u7ed3\u679c\u56fe<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-1024x397.png\" alt=\"\" class=\"wp-image-8998\" width=\"571\" height=\"221\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-1024x397.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-300x116.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-768x297.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-1536x595.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-830x321.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-230x89.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-350x136.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47-480x186.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/12\/\u56fe\u7247-47.png 1704w\" sizes=\"(max-width: 571px) 100vw, 571px\" \/><\/figure><\/div>\n\n\n\n<p>\u7adf\u7136\u662ftrue\uff0c\u539f\u6765\u4ed6\u9ed8\u8ba4\u5c31\u662f\u4e0d\u7ba1\u7236\u7c7b\u7ee7\u627f\u7684\u5c5e\u6027\u7684\u3002<\/p>\n\n\n\n<p>\u770bLombok\u7684\u63d0\u793a\uff1a<\/p>\n\n\n\n<p>\u81ea\u52a8\u751f\u6210hashcode\u548cequals\u65b9\u6cd5\uff0c\u4f46\u662f\u6ca1call super\uff0c\u867d\u7136\u8fd9\u4e2aclass\u4e0d\u662f\u76f4\u63a5extends Object\u7c7b\uff0c\u5982\u679c\u8fd9\u662f\u6545\u610f\u7684\uff0c\u90a3\u4e48\u8bf7\u52a0\u4e0a@EqualsAndHashCode(callSuper = false) \u8fd9\u53e5\u8bdd\u5230\u4f60\u7684model\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e2a\u6ce8\u89e3\u7684\u4f5c\u7528\u5c31\u662f\u81ea\u52a8\u7684\u7ed9model bean\u5b9e\u73b0equals\u65b9\u6cd5\u548chashcode\u65b9\u6cd5\u3002 \u4f46\u662f\uff0c\u8fd9\u4e2a\u53c2\u6570\uff0cc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8994"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8994"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8994\/revisions"}],"predecessor-version":[{"id":8999,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/8994\/revisions\/8999"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}