{"id":867,"date":"2017-08-09T21:42:38","date_gmt":"2017-08-09T13:42:38","guid":{"rendered":"https:\/\/www.ray650128.com\/wordpress\/?p=787"},"modified":"2021-07-18T20:43:04","modified_gmt":"2021-07-18T12:43:04","slug":"androidkotlin%e5%ad%b8%e7%bf%92%e7%ad%86%e8%a8%983-%e9%a1%9e%e5%88%a5","status":"publish","type":"post","link":"https:\/\/blog.ray650128.com\/?p=867","title":{"rendered":"[Android]Kotlin\u5b78\u7fd2\u7b46\u8a18#3-\u985e\u5225"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6a19\u6e96Class\u7684\u5ba3\u544a\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u57fa\u672c\u4e0aKotlin\u8ddfJava\u7684\u985e\u5225\u5ba3\u544a\u4e0a\u9762\u7b97\u662f\u5927\u540c\u5c0f\u7570\u7684\uff0c\u540c\u6a23\u90fd\u662f\u4f7f\u7528class\u4f5c\u70ba\u95dc\u9375\u5b57\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662fKotlin\u7684\u985e\u5225\u5ba3\u544a\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"json\" class=\"language-json\">class A {\n    \/\/ TODO: Do something\u2026\n}<\/code><\/pre>\n\n\n\n<p>\u4ee5\u5f80\u6211\u5011\u5728Java\u7684\u985e\u5225\u4e2d\u8981\u52a0\u5165\u5efa\u69cb\u5b50\u6642\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java line-numbers\">class A {\n    private String str;\n    A(String _str) {\n        this.str = _str;\n    }\n    \/\/ \u2026\u4ee5\u4e0b\u7701\u7565\u2026\n }<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>Kotlin\u7684\u985e\u5225\u4e2d\u8981\u52a0\u5165\u5efa\u69cb\u5b50\uff0c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"kotlin\" class=\"language-kotlin line-numbers\">class A constructor(_str: String) {\n    private var str = _str\n    \/\/ \u2026\u4ee5\u4e0b\u7701\u7565\u2026\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>\u53e6\u5916\uff0cKotlin\u5728\u5ba3\u544a\u985e\u5225\u53ca\u5efa\u69cb\u5b50\u6642\uff0c\u53ef\u4ee5\u76f4\u63a5\u7701\u7565constructor\uff0c\u8b93\u7a0b\u5f0f\u78bc\u7c21\u6f54\u4e00\u9ede\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"kotlin\" class=\"language-kotlin line-numbers\">class A(_str: String) {\n&nbsp;&nbsp;&nbsp; private var str = _str\n    \/\/ \u2026\u4ee5\u4e0b\u7701\u7565\u2026\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Open Class<\/h2>\n\n\n\n<p>Kotlin\u7684\u985e\u5225\u9810\u8a2d\u662ffinal\u7684\u3002\u5982\u679c\u5e0c\u671b\u9019\u500b\u985e\u5225\u4e4b\u5f8c\u8981\u80fd\u5920\u88ab\u7e7c\u627f\uff0c\u5247\u9700\u8981\u5728class\u524d\u9762\u52a0\u4e0aopen\u4fee\u98fe\u8a5e\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"kotlin\" class=\"language-kotlin line-numbers\">open class A(_str: String) {\n&nbsp;&nbsp;&nbsp; private var str = _str\n    \/\/ \u2026\u4ee5\u4e0b\u7701\u7565\u2026\n}<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Data Class<\/h2>\n\n\n\n<p>Data Class\u662fKotlin\u70ba\u4e86\u7c21\u5316\u8cc7\u6599\u6a21\u578b\u5728\u64b0\u5beb\u6642\uff0c\u4e0d\u5fc5\u5beb\u4e00\u5927\u5806getter\/setter\u65b9\u6cd5\u7684\u4e00\u500b\u7279\u6b8a\u985e\u5225\u3002<\/p>\n\n\n\n<p>\u4ee5\u5f80\u5728Java\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u8981\u64b0\u5beb\u4e00\u500b\u8cc7\u6599\u6a21\u578b\u985e\u5225\uff0c\u5fc5\u9808\u6839\u64da\u4f60\u7684\u6210\u54e1\u6578\u91cf\u52a0\u5165\u5c0d\u61c9\u7684getter\/setter\u65b9\u6cd5\uff0c\u5982\u4e0b\u5217\u7a0b\u5f0f\u78bc\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">public class A {\n    private String value1;\n    private String value2;\n    public String getValue1() {\n        return this.value1;\n    }\n    public String getValue2() {\n        return this.value2;\n    }\n    public void setValue1(String value) {\n        this.value1 = value;\n    }\n    public void setValue2(String value) {\n        this.value2 = value;\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u6216\u8a31\u5927\u5bb6\u5df2\u7d93\u7fd2\u6163\u4e86\u3002\u4f46\u662f\u7576\u4f60\u7684\u6210\u54e1\u8b8a\u6578\u591a\u7684\u6642\u5019\uff0cgetter\/setter\u6703\u662f\u6210\u54e1\u8b8a\u6578\u7684\u6578\u91cf*2\uff0c\u56e0\u6b64\u591a\u4e86\u5f88\u591a\u5197\u9918\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n\n\n\n<p>\u8b93\u6211\u5011\u518d\u548cKotlin\u7248\u672c\u7684\u8cc7\u6599\u6a21\u578b\u985e\u5225\u5c0d\u7167\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"kotlin\" class=\"language-kotlin\">data class A(\n    var value1: String,\n    var value2: String\n)<\/code><\/pre>\n\n\n\n<p>\u5c11\u4e86\u8a31\u591agetter\/setter\u65b9\u6cd5\uff0c\u662f\u4e0d\u662f\u4e00\u4e0b\u5b50\u8b8a\u7684\u7c21\u6f54\u5f88\u591a\u5462\uff1f<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u5c3e<\/h2>\n\n\n\n<p>\u4ee5\u4e0a\u662fKotlin\u7684\u985e\u5225\u4f7f\u7528\u65b9\u5f0f\uff0c\u548cJava\u76f8\u6bd4\u7c21\u5316\u8a31\u591a\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u8cc7\u6599\u6a21\u578b\u53ef\u4ee5\u4f7f\u7528data class\u4f86\u7701\u6389\u5197\u9577\u7684getter\/setter\u65b9\u6cd5\u3001\u8b93\u985e\u5225\u53ef\u4ee5\u50cffunction\u90a3\u6a23\u5f8c\u9762\u63a5\u8457\u5efa\u69cb\u5b50\u7b49\u7b49\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\u5148\u6574\u7406\u5230\u9019\u908a\uff0c\u5982\u679c\u65e5\u5f8c\u9084\u6709\u66f4\u591a\u5fc3\u5f97\uff0c\u6703\u518d\u88dc\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6a19\u6e96Class\u7684\u5ba3\u544a\u65b9\u5f0f \u57fa\u672c\u4e0aKotlin\u8ddfJava\u7684\u985e\u5225\u5ba3\u544a\u4e0a\u9762\u7b97\u662f\u5927\u540c\u5c0f\u7570\u7684\uff0c\u540c\u6a23\u90fd\u662f\u4f7f\u7528class\u4f5c\u70ba &hellip; <\/p>\n","protected":false},"author":1,"featured_media":113,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[10,19],"class_list":["post-867","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2","tag-android-app","tag-kotlin"],"_links":{"self":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=867"}],"version-history":[{"count":4,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/867\/revisions"}],"predecessor-version":[{"id":994,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/wp\/v2\/posts\/867\/revisions\/994"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ray650128.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}