{"id":31128,"date":"2023-03-07T22:55:27","date_gmt":"2024-02-07T10:23:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e5%85%b3%e4%ba%8e-this\/"},"modified":"2025-08-12T22:28:25","modified_gmt":"2025-08-12T14:28:25","slug":"%e3%80%90java%e3%80%91%e5%85%b3%e4%ba%8e-this","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e5%85%b3%e4%ba%8e-this\/","title":{"rendered":"\u3010Java\u3011\u5173\u4e8e this"},"content":{"rendered":"

\u8fd9<\/h1>\n

\u4ee5\u4e0b\u662f\u5173\u4e8eJava\uff08\u6216\u8005\u8bf4\u5728\u7f16\u7a0b\u65b9\u9762\uff09\u7684this\u5b66\u4e60\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n

\u8fd9\u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n

\u300cthis\u300d\u662f\u7528\u4e8e\u5728\u7c7b\u7684\u65b9\u6cd5\u5185\u5904\u7406\u5b9e\u4f8b\u7684\u7279\u6b8a\u53d8\u91cf\u3002<\/p>\n

\u5177\u6709\u663e\u5f0f\u5730\u6307\u793a\u5176\u4e3a\u7c7b\u5b9e\u4f8b\u7684\u529f\u80fd\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u8fd9\u4e2a\uff1f<\/h2>\n

\u5c31\u7ed3\u8bba\u800c\u8a00\uff0c\u539f\u56e0\u662f\u3002\u3002\u3002<\/p>\n

\u300c\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u3092\u660e\u78ba\u306b\u533a\u5225\u3059\u308b\u305f\u3081\u300d\u3002<\/p>\n

\u7531\u4e8e\u672c\u5730\u53d8\u91cf\u548c\u5b57\u6bb5\u53d8\u91cf\u662f\u4e0d\u540c\u7684\uff0c\u6240\u4ee5\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u7684\u540d\u79f0\u4e5f\u53ef\u4ee5\u521b\u5efa\u5b83\u4eec\uff0c\u56e0\u6b64\u5f53\u4f7f\u7528\u76f8\u540c\u7684\u540d\u79f0\u65f6\u4f1a\u53d8\u5f97\u65e0\u6cd5\u5206\u8fa8\u662f\u54ea\u4e00\u4e2a\u3002\u56e0\u6b64\uff0c\u7ecf\u5e38\u4f7f\u7528\u201c\u5728\u5b57\u6bb5\u53d8\u91cf\u524d\u9762\u52a0\u4e0athis\u201d\u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n

\u8fd9\u4e2a\u201c\u3069\u3053\u306b\u201d\uff0c\u5e94\u8be5\u7528\u5728\u54ea\u91cc\u5462\uff1f<\/h2>\n

\u6b63\u5982\u6211\u4e4b\u524d\u6240\u5199\u7684\uff0c”this” \u7684\u4f7f\u7528\u4f4d\u7f6e\u662f\u5728\u5b57\u6bb5\u53d8\u91cf\u540d\u7684\u5f00\u5934\u3002<\/p>\n

\u4f8b\uff1athis.\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\r\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u5728\u7c7b\u5185\u90e8\u7684\u65b9\u6cd5\u5b9a\u4e49\u4e2d\u624d\u53ef\u4ee5\u4f7f\u7528this\u3002\u5f53\u65b9\u6cd5\u88ab\u8c03\u7528\u65f6\uff0cthis\u4f1a\u88ab\u66ff\u6362\u4e3a\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u5b9e\u4f8b\u3002<\/p>\n
\u5c1d\u8bd5\u4f7f\u7528\u8fd9\u4e2a\u3002<\/h2>\n
\u6211\u5728\u7a0b\u5e8f\u4e2d\u5236\u4f5c\u4e86\u4e00\u4e2a\u5b9d\u53ef\u68a6\u56fe\u9274\u3002
\n\u4f60\u53ef\u4ee5\u770b\u5230\u5728Pokemon.java\u4e2d\u5b9a\u4e49\u4e86\u5b57\u6bb5\u53d8\u91cf\uff0c\u5e76\u4e14\u5728\u7c7b\u5185\u90e8\u4f7f\u7528this\u8fdb\u884c\u91cd\u590d\u5229\u7528\u3002<\/p>\n
\/\/\u3010Pokemon.java\u3011<\/span>\r\npublic<\/span> class<\/span> Pokemon<\/span> {<\/span>\r\n    \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570<\/span>\r\n    public<\/span> int<\/span> number<\/span>;<\/span>\r\n    public<\/span> String<\/span> name<\/span>;<\/span>\r\n    public<\/span> String<\/span> category<\/span>;<\/span>\r\n    public<\/span> String<\/span> type<\/span>;<\/span>\r\n    public<\/span> String<\/span> description<\/span>;<\/span>\r\n\r\n    public<\/span> Pokemon<\/span>(<\/span>int<\/span> number<\/span>,<\/span> String<\/span> name<\/span>,<\/span> String<\/span> category<\/span>,<\/span> String<\/span> type<\/span>,<\/span> String<\/span> description<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>number<\/span> =<\/span> number<\/span>;<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>category<\/span> =<\/span> category<\/span>;<\/span>\r\n        this<\/span>.<\/span>type<\/span> =<\/span> type<\/span>;<\/span>\r\n        this<\/span>.<\/span>description<\/span> =<\/span> description<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u8c03\u7528\u65b9\u7684\u7c7b\u3002<\/p>\n
\/\/\u3010Main.java\u3011<\/span>\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        \/\/ \u547c\u3073\u51fa\u3057\uff08new \u3057\u305f\u5f8c\u3067\u3001\u5f15\u6570\u3078\u4e0e\u3048\u3089\u308c\u305f\u5024\u3092\u5143\u306b Pokemon \u304c\u751f\u6210\u3055\u308c\u307e\u3059\uff09<\/span>\r\n        Pokemon<\/span> pikachu<\/span> =<\/span> new<\/span> Pokemon<\/span>(<\/span>025<\/span>,<\/span> \"\u30d4\u30ab\u30c1\u30e5\u30a6\"<\/span>,<\/span> \"\u306d\u305a\u307f\u30dd\u30b1\u30e2\u30f3\"<\/span>,<\/span> \"\u3067\u3093\u304d\"<\/span>,<\/span>\r\n                \"\u3064\u304f\u308b\u3000\u3067\u3093\u304d\u304c\u3000\u304d\u3087\u3046\u308a\u3087\u304f\u306a\u3000\u30d4\u30ab\u30c1\u30e5\u30a6\u307b\u3069\u3000\u307b\u3063\u307a\u306e\u3000\u3075\u304f\u308d\u306f\u3000\u3084\u308f\u3089\u304b\u304f\u3000\u3088\u304f\u3000\u306e\u3073\u308b\u305e\"<\/span>);<\/span>\r\n\r\n        \/\/ \u4f7f\u7528\u6642<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>print<\/span>(<\/span>\"No.\"<\/span> +<\/span> pikachu<\/span>.<\/span>number<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\" \"<\/span> +<\/span> pikachu<\/span>.<\/span>name<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>print<\/span>(<\/span>pikachu<\/span>.<\/span>category<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\" \"<\/span> +<\/span> pikachu<\/span>.<\/span>type<\/span> +<\/span> \"\u30bf\u30a4\u30d7\"<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>pikachu<\/span>.<\/span>description<\/span>);<\/span>\r\n\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7ed3\u679c (sh\u00ed ji\u00e9 gu\u01d2)<\/p>\n
No.21 \u30d4\u30ab\u30c1\u30e5\u30a6\r\n\u306d\u305a\u307f\u30dd\u30b1\u30e2\u30f3 \u3067\u3093\u304d\u30bf\u30a4\u30d7\r\n\u3064\u304f\u308b\u3000\u3067\u3093\u304d\u304c\u3000\u304d\u3087\u3046\u308a\u3087\u304f\u306a\u3000\u30d4\u30ab\u30c1\u30e5\u30a6\u307b\u3069\u3000\u307b\u3063\u307a\u306e\u3000\u3075\u304f\u308d\u306f\u3000\u3084\u308f\u3089\u304b\u304f\u3000\u3088\u304f\u3000\u306e\u3073\u308b\u305e\r\n<\/code><\/pre>\n
\u53c2\u8003\u6587\u732e\u548c\u6587\u7ae0<\/h2>\n
    \n
  • \n
      Java\u306e\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3068\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306e\u6982\u5ff5\u3068\u306f\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Progate<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \u30c9\u30c3\u30c8\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/ul>\n","protected":false},"excerpt":{"rendered":"
            \u8fd9 \u4ee5\u4e0b\u662f\u5173\u4e8eJava\uff08\u6216\u8005\u8bf4\u5728\u7f16\u7a0b\u65b9\u9762\uff09\u7684this\u5b66\u4e60\u7684\u8f93\u51fa\u7ed3\u679c\u3002 \u8fd9\u662f\u4ec0\u4e48\u610f\u601d \u300cthis\u300d\u662f\u7528\u4e8e\u5728\u7c7b\u7684\u65b9 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31128","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010Java\u3011\u5173\u4e8e this - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010Java\u3011\u5173\u4e8e this\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u5173\u4e8e-this\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u3011\u5173\u4e8e this\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010Java\u3011\u5173\u4e8e this\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u5173\u4e8e-this\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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