{"id":4141,"date":"2021-11-29T16:40:15","date_gmt":"2021-11-29T08:40:15","guid":{"rendered":"http:\/\/123.57.164.21\/?p=4141"},"modified":"2021-11-30T17:36:16","modified_gmt":"2021-11-30T09:36:16","slug":"lombok%e4%bb%8b%e7%bb%8d%e5%8f%8a%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=4141","title":{"rendered":"Lombok\u4ecb\u7ecd\u53ca\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"\n
1. lombok\u7b80\u4ecb<\/h5>\n\n\n\n

\u5728\u5199Java\u7a0b\u5e8f\u7684\u65f6\u5019\u7ecf\u5e38\u4f1a\u9047\u5230\u5982\u4e0b\u60c5\u5f62\uff1a\u65b0\u5efa\u4e86\u4e00\u4e2aClass\u7c7b\uff0c\u7136\u540e\u5728\u5176\u4e2d\u8bbe\u7f6e\u4e86\u51e0\u4e2a\u5b57\u6bb5\uff0c\u6700\u540e\u8fd8\u9700\u8981\u82b1\u8d39\u5f88\u591a\u65f6\u95f4\u6765\u5efa\u7acbgetter\uff0csetter\u65b9\u6cd5\u8fd8\u6709\u6784\u9020\u51fd\u6570\u7b49 \u3002lombok\u9879\u76ee\u7684\u4ea7\u751f\u5c31\u662f\u4e3a\u4e86\u7701\u53bb\u6211\u4eec\u624b\u52a8\u521b\u5efagetter\u548csetter\u65b9\u6cd5\u7684\u9ebb\u70e6\uff0c\u5b83\u80fd\u591f\u5728\u6211\u4eec\u7f16\u8bd1\u6e90\u7801\u7684\u65f6\u5019\u81ea\u52a8\u5e2e\u6211\u4eec\u751f\u6210getter\u548csetter\u65b9\u6cd5\u3002\u5373\u5b83\u6700\u7ec8\u80fd\u591f\u8fbe\u5230\u7684\u6548\u679c\u662f\uff1a\u5728\u6e90\u7801\u4e2d\u6ca1\u6709getter\u548csetter\u65b9\u6cd5\uff0c\u4f46\u662f\u5728\u7f16\u8bd1\u751f\u6210\u7684\u5b57\u8282\u7801\u6587\u4ef6\u4e2d\u6709getter\u548csetter\u65b9\u6cd5<\/p>

<\/p><\/blockquote>\n\n\n\n

2. \u5b89\u88c5<\/h5>\n\n\n\n
  • 2.1 Maven\u6dfb\u52a0\u4f9d\u8d56\uff0clombok\u4e5f\u5c31\u662f\u4e00\u4e2a\u666e\u901a\u7684jar\u5305<\/li><\/ul>\n\n\n\n
    <dependency>\n            <groupId>org.projectlombok<\/groupId>\n            <artifactId>lombok<\/artifactId>\n            <version>1.16.14<\/version>\n            <scope>provided<\/scope>\n        <\/dependency><em><\/em><\/pre>\n\n\n\n
    • 2.2 eclipse\u5b89\u88c5<\/li><\/ul>\n\n\n\n
      • 1.\u4ece\u5b98\u7f51\u4e0b\u8f7dlombok.jar(https:\/\/projectlombok.org\/download-edge), \u4e0b\u8f7d\u5230mac\u7684\u76ee\u5f55\u4e0a\u3002<\/li><\/ul>\n\n\n\n
        \"\"<\/figure><\/div>\n\n\n\n
        • CD\u5230lombok.jar\u4e0b\u8f7d\u76ee\u5f55\uff0c\u7ec8\u7aef\u4e0b\u8fd0\u884cjava -jar lombok.jar<\/span>\u547d\u4ee4<\/li><\/ul>\n\n\n\n
          \"\"<\/figure><\/div>\n\n\n\n
          \"\"<\/figure><\/div>\n\n\n\n
          • \u70b9\u51fbSpecify location\uff0c\u5f39\u51fa\u7684\u5bf9\u8bdd\u6846\uff0c\u9009\u62e9Eclipse.ini\u6587\u4ef6\u3002<\/li><\/ul>\n\n\n\n
            \"\"<\/figure><\/div>\n\n\n\n
            \"\"<\/figure><\/div>\n\n\n\n
            • 3.\u70b9\u51fbInstall\/Update<\/span><\/li>
            • 4.\u91cd\u542feclipse\uff0clombok\u5373\u53ef\u751f\u6548<\/li>
            • 5.\u6253\u5f00eclipse.ini\u53ef\u4ee5\u770b\u5230\u6700\u4e0b\u9762\u8ffd\u52a0\u4e00\u884c\u914d\u7f6e\uff08-javaagent:\/Applications\/SpringToolSuite4.app\/Contents\/Eclipse\/lombok.jar\uff09<\/li><\/ul>\n\n\n\n
              -startup\n..\/Eclipse\/plugins\/org.eclipse.equinox.launcher_1.6.300.v20210813-1054.jar\n--launcher.library\n..\/Eclipse\/plugins\/org.eclipse.equinox.launcher.cocoa.macosx.x86_64_1.2.300.v20210828-0802\n-product\norg.springframework.boot.ide.branding.sts4\n--launcher.defaultAction\nopenFile\n-vm\n..\/Eclipse\/plugins\/org.eclipse.justj.openjdk.hotspot.jre.full.macosx.x86_64_17.0.0.v20211012-1059\/jre\/lib\/libjli.dylib\n-vmargs\n-Dosgi.requiredJavaVersion=11\n-Dosgi.dataAreaRequiresExplicitInit=true\n-Xms256m\n-Xmx2048m\n--illegal-access=permit\n--add-modules=ALL-SYSTEM\n-XstartOnFirstThread\n-Dorg.eclipse.swt.internal.carbon.smallFonts\n-Xdock:icon=..\/Resources\/sts4.icns\n-javaagent:\/Applications\/SpringToolSuite4.app\/Contents\/Eclipse\/lombok.jar\n<\/pre>\n\n\n\n
              3. lombok\u4f7f\u7528<\/h5>\n\n\n\n
              • 3.1 @NonNull<\/code>: \u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u907f\u514d\u7a7a\u6307\u9488\u3002<\/li><\/ul>\n\n\n\n
                package io.fredia.femicro.gate.ratelimit.config;\n\nimport io.micrometer.core.lang.NonNull;\n\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\npublic class LombokDemoClass {\n\n    public void NonNullDemo(@NonNull Object obj) {\n\n    }\n}\n<em><\/em><\/pre>\n\n\n\n
                • 3.2 @Cleanup: \u81ea\u52a8\u5e2e\u6211\u4eec\u8c03\u7528close()\u65b9\u6cd5\u3002<\/li><\/ul>\n\n\n\n
                  package io.fredia.femicro.gate.ratelimit.config;\n\nimport java.io.FileInputStream;\nimport java.io.FileOutputStream;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.io.OutputStream;\n\nimport lombok.Cleanup;\n\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\npublic class LombokDemoClass {\n\n    public static void main(String[] args) throws IOException {\n        @Cleanup\n        InputStream in = new FileInputStream(args[0]);\n        @Cleanup\n        OutputStream out = new FileOutputStream(args[1]);\n        byte[] b = new byte[10000];\n        while (true) {\n            int r = in.read(b);\n            if (r == -1)\n                break;\n            out.write(b, 0, r);\n        }\n    }\n}<\/pre>\n\n\n\n
                  \u6211\u4eec\u90fd\u77e5\u9053io\u64cd\u4f5c\u5b8c\u5fc5\u987b\u5173\u95ed\uff0c\u6240\u4ee5\u6b64\u6ce8\u89e3\u5e2e\u6211\u4eec\u5b8c\u6210\u4e86\u5982\u4e0b\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n
                    in.close();\n  out.close();<\/pre>\n\n\n\n
                  • 3.3 @Getter \/ @Setter<\/code>: \u81ea\u52a8\u751f\u6210Getter\/Setter\u65b9\u6cd5<\/li><\/ul>\n\n\n\n
                    package io.fredia.femicro.gate.ratelimit.config;\n\nimport java.util.Date;\n\nimport lombok.Getter;\nimport lombok.Setter;\n\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\npublic class LombokDemo {\n\n    @Getter\n    @Setter\n    private String key;\n    @Getter\n    @Setter\n    private Date expiration;\n\n}<em><\/em><\/pre>\n\n\n\n
                    • 3.4 @NoArgsConstructor: \u81ea\u52a8\u751f\u6210\u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570\u3002<\/li><\/ul>\n\n\n\n
                      import lombok.NoArgsConstructor;\n\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\n@NoArgsConstructor\npublic class LombokDemo {\n\n    private String key;\n    private Long remaining;\n    private Long reset;\n    private Date expiration;\n\n    public static void main(String[] args) {\n            LombokDemo lom2 = new LombokDemo();\n    }\n}<\/pre>\n\n\n\n
                      • 3.5 @AllArgsConstructor: \u81ea\u52a8\u751f\u6210\u5168\u53c2\u6570\u6784\u9020\u51fd\u6570\u3002<\/li><\/ul>\n\n\n\n
                        import lombok.AllArgsConstructor;\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\n@AllArgsConstructor\npublic class LombokDemo {\n\n    private String key;\n    private Long remaining;\n    private Long reset;\n    private Date expiration;\n\n    public static void main(String[] args) {\n        LombokDemo lom = new LombokDemo(key, remaining, reset, expiration);\n    }\n}<\/pre>\n\n\n\n
                        • 3.6 @Data: \u81ea\u52a8\u4e3a\u6240\u6709\u5b57\u6bb5\u6dfb\u52a0@ToString, @EqualsAndHashCode, @Getter\u65b9\u6cd5\uff0c\u4e3a\u975efinal\u5b57\u6bb5\u6dfb\u52a0@Setter,\u548c@RequiredArgsConstructor@RequiredArgsConstructor<\/li><\/ul>\n\n\n\n
                          import java.util.Date;\nimport lombok.AllArgsConstructor;\nimport lombok.Data;\nimport lombok.NoArgsConstructor;\n\/**\n * LombokDemo\n * \n * @author : Fredia\n * @since : 2018\u5e744\u670811\u65e5\n * @version : v1.0.0\n *\/\n@Data\n@NoArgsConstructor\n@AllArgsConstructor\npublic class LombokDemo {\n\n    private String key;\n    private Long remaining;\n    private Long reset;\n    private Date expiration;\n\n}<\/pre>\n\n\n\n
                          \"\"<\/figure><\/div>\n\n\n\n
                          4. lombok\u5b9e\u73b0\u539f\u7406\u5206\u6790
                          <\/h5>\n\n\n\n
                          \u63a5\u4e0b\u6765\u8fdb\u884clombok\u80fd\u591f\u5de5\u4f5c\u7684\u539f\u7406\u5206\u6790\uff0c\u4ee5Oracle\u7684javac\u7f16\u8bd1\u5de5\u5177\u4e3a\u4f8b\u3002
                          \u81ea\u4eceJava 6\u8d77\uff0cjavac\u5c31\u652f\u6301\u201cJSR 269 Pluggable Annotation Processing API\u201d<\/strong>\u89c4\u8303\uff0c\u53ea\u8981\u7a0b\u5e8f\u5b9e\u73b0\u4e86\u8be5API\uff0c\u5c31\u80fd\u5728javac\u8fd0\u884c\u7684\u65f6\u5019\u5f97\u5230\u8c03\u7528\u3002
                          \u4e3e\u4f8b\u6765\u8bf4\uff0c\u73b0\u5728\u6709\u4e00\u4e2a\u5b9e\u73b0\u4e86\u201dJSR 269 API\u201d<\/strong>\u7684\u7a0b\u5e8fA,\u90a3\u4e48\u4f7f\u7528javac\u7f16\u8bd1\u6e90\u7801\u7684\u65f6\u5019\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b:<\/p>\n\n\n\n
                          javac\u5bf9\u6e90\u4ee3\u7801\u8fdb\u884c\u5206\u6790\uff0c\u751f\u6210\u4e00\u68f5**\u62bd\u8c61\u8bed\u6cd5\u6811(AST) **
                          \u8fd0\u884c\u8fc7\u7a0b\u4e2d\u8c03\u7528\u5b9e\u73b0\u4e86\u201dJSR 269 API\u201d\u7684A\u7a0b\u5e8f
                          \u6b64\u65f6A\u7a0b\u5e8f\u5c31\u53ef\u4ee5\u5b8c\u6210\u5b83\u81ea\u5df1\u7684\u903b\u8f91\uff0c\u5305\u62ec\u4fee\u6539\u7b2c\u4e00\u6b65\u9aa4\u5f97\u5230\u7684\u62bd\u8c61\u8bed\u6cd5\u6811(AST)
                          javac\u4f7f\u7528\u4fee\u6539\u540e\u7684\u62bd\u8c61\u8bed\u6cd5\u6811(AST)\u751f\u6210\u5b57\u8282\u7801\u6587\u4ef6<\/p><\/blockquote>\n\n\n\n
                          \u6240\u4ee5lombok\u672c\u8d28\u4e0a\u5c31\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u5b9e\u73b0\u4e86\u201dJSR 269 API\u201d<\/strong>\u7684\u7a0b\u5e8f\u3002\u5728\u4f7f\u7528javac\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7ed3\u5408\u5b98\u65b9\u8bf4\u660e\uff0c\u5b83\u7f16\u8bd1\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                          javac\u5bf9\u6e90\u4ee3\u7801\u8fdb\u884c\u5206\u6790\uff0c\u751f\u6210\u4e00\u68f5\u62bd\u8c61\u8bed\u6cd5\u6811(AST)<\/strong>**
                          \u8fd0\u884c\u8fc7\u7a0b\u4e2d\u8c03\u7528\u5b9e\u73b0\u4e86\u201dJSR 269 API\u201d\u7684lombok\u7a0b\u5e8f
                          \u6b64\u65f6lombok\u5c31\u5bf9\u7b2c\u4e00\u6b65\u9aa4\u5f97\u5230\u7684AST\u8fdb\u884c\u5904\u7406\uff0c\u627e\u5230@Data\u6ce8\u89e3\u6240\u5728\u7c7b\u5bf9\u5e94\u7684\u8bed\u6cd5\u6811(AST)\uff0c\u7136\u540e\u4fee\u6539\u8be5\u8bed\u6cd5\u6811(AST)\uff0c\u589e\u52a0getter\u548csetter\u65b9\u6cd5\u5b9a\u4e49\u7684\u76f8\u5e94\u6811\u8282\u70b9
                          javac\u4f7f\u7528\u4fee\u6539\u540e\u7684\u62bd\u8c61\u8bed\u6cd5\u6811(AST)\u751f\u6210\u5b57\u8282\u7801\u6587\u4ef6<\/p><\/blockquote>\n\n\n\n
                          5. \u603b\u7ed3
                          <\/h5>\n\n\n\n
                          lombok\u7684\u5b9e\u73b0\uff1a\u5c31\u662f\u5143\u6ce8\u89e3\u51fa\u73b0\u540e\u6ce8\u89e3\u8fd0\u884c\u751f\u547d\u5468\u671f\u91cc\u9762\u7684\u7f16\u8bd1\u5468\u671f\uff0c\u8fd9\u4e2a\u5c31\u662f JSR 269 Pluggable Annotation Processing API\uff0c\u5c31\u662f\u6e90\u4ee3\u7801\u5728\u7f16\u8bd1\u6210\u5b57\u8282\u7801\u7684\u65f6\u5019\u4fee\u6539\u4e86\u8bed\u6cd5\u6811\u7684\u8282\u70b9\u89c4\u5219\u8fdb\u884c\u4e86\u52a0\u5f3a\u751f\u6210\uff0c\n\u4ee5\u540e\u53ef\u4ee5\u66f4\u52a0\u5feb\u6377\u7684\u6572\u4ee3\u7801\u4e86\u3002<\/pre>\n","protected":false},"excerpt":{"rendered":"
                          1. lombok\u7b80\u4ecb \u5728\u5199Java\u7a0b\u5e8f\u7684\u65f6\u5019\u7ecf\u5e38\u4f1a\u9047\u5230\u5982\u4e0b\u60c5\u5f62\uff1a\u65b0\u5efa\u4e86\u4e00\u4e2aClass\u7c7b\uff0c\u7136\u540e\u5728\u5176\u4e2d\u8bbe\u7f6e\u4e86\u51e0\u4e2a […]<\/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\/4141"}],"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=4141"}],"version-history":[{"count":6,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/4141\/revisions"}],"predecessor-version":[{"id":4192,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/4141\/revisions\/4192"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}