{"id":240,"date":"2026-01-09T12:04:00","date_gmt":"2026-01-09T04:04:00","guid":{"rendered":"http:\/\/192.140.166.102\/?p=240"},"modified":"2026-01-25T16:50:38","modified_gmt":"2026-01-25T08:50:38","slug":"dcp-ibf%e5%9b%bd%e8%b5%84%e5%a7%94%e6%95%b0%e6%8d%ae%e4%b8%8a%e6%8a%a5","status":"publish","type":"post","link":"https:\/\/lsuccess.xyz\/index.php\/2026\/01\/09\/dcp-ibf%e5%9b%bd%e8%b5%84%e5%a7%94%e6%95%b0%e6%8d%ae%e4%b8%8a%e6%8a%a5\/","title":{"rendered":"dcp-ibf\u56fd\u8d44\u59d4\u6570\u636e\u4e0a\u62a5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1.feign\u63a5\u53e3\u903b\u8f91<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u7684http\u8c03\u7528\u9700\u8981\u4e0d\u4ec5\u9700\u8981\u81ea\u5df1\u624b\u52a8\u62fc\u63a5URL\uff0c\u8fd8\u9700\u8981\u81ea\u5df1\u8bbe\u7f6e\u597d\u8bf7\u6c42\u5934\uff0c\u5e76\u4e14\u9700\u8981\u8c03\u7528\u65b9\u81ea\u5df1\u5904\u7406\u76f8\u5e94\u4f53\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String url = \"http:\/\/account-service\/api\/exchange-rate\";\nHttpClient client = new HttpClient();\nHttpPost post = new HttpPost(url);\npost.setHeader(\"Content-Type\", \"application\/json\");\nString json = objectMapper.writeValueAsString(request);\npost.setEntity(new StringEntity(json));\nHttpResponse response = client.execute(post);\nString result = EntityUtils.toString(response.getEntity());\nBigDecimal rate = objectMapper.readValue(result, BigDecimal.class);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u5229\u7528\u5982\u679c\u88ab\u8c03\u7528\u65b9\u4f7f\u7528\u63d0\u4f9b\u4e86feign\u63a5\u53e3\u90a3\u5c31\u4f1a\u50cf\u8c03\u7528\u672c\u5730\u670d\u52a1\u4e00\u6837\u65b9\u4fbf\u8fdb\u884c\u8c03\u7528\uff0c\u63a5\u4e0b\u6765\u662f\u4f5c\u4e3a\u88ab\u8c03\u7528\u65b9\uff0c\u5982\u4f55\u8bbe\u8ba1\u597d\u4e00\u4e2afeign\u63a5\u53e3\uff0c\u4f5c\u4e3a\u8c03\u7528\u65b9\u600e\u4e48\u8fdb\u884c\u8c03\u7528\uff0c\u63a5\u4e0b\u6765\u8bbe\u7f6e\u4e00\u4e2a\u83b7\u53d6\u6c47\u7387\u7684\u573a\u666f\uff0c\u88ab\u8c03\u7528\u65b9\u7684\u670d\u52a1\u540d\u53ebu_finance\uff0c\u8c03\u7528\u65b9\u9700\u8981\u83b7\u53d6\u5f53\u65e5\u6c47\u7387\u8fdb\u884c\u539f\u5e01\u548c\u4eba\u540d\u5e01\u7684\u8f6c\u5316\u903b\u8f91<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1\u8c03\u7528\u65b9\u903b\u8f91<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u597d\u8bf7\u6c42\u548c\u54cd\u5e94\u5b9e\u4f53\u7c7b\uff0c\u6b64\u5904\u7701\u7565\uff0c\u91cd\u70b9\u518d\u521b\u5efa\u58f0\u660e\u5f0f\u5ba2\u6237\u7aef<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1. \u5b9a\u4e49 Feign Client \u63a5\u53e3\n@FeignClient(name = \"u_finance\")  \/\/ \u2190 \u5173\u952e\uff1a\u6307\u5b9a\u670d\u52a1\u540d\npublic interface FinanceClient {\n    \n    @PostMapping(\"\/api\/exchange-rate\")\n    Result&lt;BigDecimal&gt; getRate(@RequestBody RateRequest request);\n}\n\n\/\/ 2. \u76f4\u63a5\u6ce8\u5165\u4f7f\u7528\n@Service\npublic class MyService {\n    \n    @Resource\n    private FinanceClient financeClient;  \/\/ \u2190 Spring \u81ea\u52a8\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\n    \n    public void doSomething() {\n        Result&lt;BigDecimal&gt; result = financeClient.getRate(request);\n    }\n}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">1.2\u88ab\u8c03\u7528\u65b9\u903b\u8f91<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u597d\u4e00\u4e2a\u8c03\u7528\u63a5\u53e3\uff0c\u5c31\u50cf\u5e73\u5e38\u521b\u5efa\u7684\u53ef\u88ab\u8c03\u7528\u63a5\u53e3\u4e00\u6837\u5c31\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ u_finance \u670d\u52a1\u4e2d\u7684 Controller\n@RestController\n@RequestMapping(\"\/api\")\npublic class ExchangeRateController {\n    \n    @PostMapping(\"\/exchange-rate\")  \/\/ \u2190 \u8def\u5f84\u5fc5\u987b\u548c Feign Client \u4e00\u81f4\n    public Result&lt;BigDecimal&gt; getRate(@RequestBody RateRequest request) {\n        \/\/ \u4e1a\u52a1\u903b\u8f91\n        BigDecimal rate = rateService.getRate(request);\n        return Result.success(rate);\n    }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">1.3\u4e24\u8005\u5982\u4f55\u5173\u8054\u8d77\u6765\u7684<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">feign\u63a5\u53e3\u529f\u80fd\u7684\u5b9e\u73b0\u5728\u4e8enacos\u670d\u52a1\u4e2d\u5fc3\u88ab\u8c03\u7528\u65b9\u6ce8\u518c\u5230nacos\u4e2d\uff0c\u8c03\u7528\u65b9\u5728\u5fc5\u987b\u7533\u660enacos\u4e2d\u5b58\u5728\u7684\u670d\u52a1\uff0c\u5e76\u4e14\u8def\u5f84\u548c\u88ab\u8c03\u7528\u65b9\u4e2d\u7684\u4fe1\u606f\u4e00\u81f4\uff0c\u89c1\u56fe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8c03\u7528\u65b9 Feign Client:\n@FeignClient(name = \"u_finance\")              \u2190 \u670d\u52a1\u540d\n@PostMapping(\"\/api\/exchange-rate\")            \u2190 \u8def\u5f84\n                    \u2193\n            \u901a\u8fc7\u6ce8\u518c\u4e2d\u5fc3\uff08Nacos\uff09\n                    \u2193\n\u88ab\u8c03\u7528\u65b9 Controller:\n\u670d\u52a1\u540d: u_finance                              \u2190 \u5728 application.yml \u4e2d\u914d\u7f6e\n@PostMapping(\"\/api\/exchange-rate\")            \u2190 \u8def\u5f84\u5fc5\u987b\u4e00\u81f4<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u53ef\u590d\u76d8\u7684\u65e5\u5fd7\u8868\u548c\u5b50\u65e5\u5fd7\u8868<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u8ffd\u8e2a\u6bcf\u6b21\u4e0a\u62a5\u60c5\u51b5\u548c\u65e5\u540e\u7684\u590d\u76d8\uff0c\u8bbe\u8ba1\u8bb0\u5f55\u6bcf\u6b21\u4e0a\u62a5\u60c5\u51b5\u7684\u65e5\u5fd7\u8bb0\u5f55\u8868\uff0c\u8bbe\u8ba1\u601d\u8def\u4e3a\u4e3b\u4ece\u8868\u7ed3\u6784\u548c\u6279\u6b21\u8ffd\u8e2a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.1\u4e3b\u65e5\u5fd7\u8868\u548c\u4ece\u65e5\u5fd7\u8868\u5b57\u6bb5\u7ed3\u6784\u8bf4\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u65e5\u5fd7\u8868\u4e00\u5bf9\u591a\u4ece\u65e5\u5fd7\u8868\uff0c\u4ece\u65e5\u5fd7\u8868\u901a\u8fc7\u6279\u6b21\u53f7\u5173\u8054\u5230\u4e3b\u8868\uff0c\u540c\u65f6\u7a0b\u5e8f\u672c\u4e8b\u9488\u5bf9\u591a\u4e2a\u79df\u6237\u8fdb\u884c\u4e86\u6570\u636e\u9694\u79bb\uff0c\u65e5\u5fd7\u8ffd\u8e2a\u5c31\u5f97\u5e26\u6709\u6807\u660e\u4e0d\u540c\u5ba2\u6237\u7684\u5185\u5bb9\uff0c\u540c\u65f6\u6ce8\u610f\u5b50\u8868\u8be6\u7ec6\u8bb0\u5f55\u6bcf\u4e00\u6b21\u53d1\u8d77\u8bf7\u6c42\u7684\u60c5\u51b5(\u662f\u6bcf\u4e00\u6b21\u53d1\u8d77http\u8bf7\u6c42\u6216\u8005SDK\u8c03\u7528)\uff0c\u6570\u636e\u5168\u90e8\u4e0a\u62a5\u5b8c\u6bd5\u4e4b\u540e\uff0c\u7edf\u8ba1\u5b50\u8868\u4e2d\u6210\u529f\u4e0e\u5931\u8d25\u7684\u60c5\u51b5\u6765\u66f4\u65b0\u4e3b\u8868\u72b6\u6001\uff0c\u5e93\u8868\u5b57\u6bb5\u7ed3\u6784\u5728\u8fd9\u91cc\u4e0d\u8fdb\u884c\u5c55\u793a<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u7b56\u7565\u6a21\u5f0f\u548c\u6a21\u677f\u6a21\u5f0f\u5728\u5904\u7406\u591a\u4e2a\u4e0a\u62a5\u4e3b\u4f53\u7684\u590d\u7528\u548c\u53ef\u7ef4\u62a4\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\u9879\u76ee\u4e2d\u751a\u81f3\u53ef\u4ee5\u518d\u62bd\u8c61\u51fa\u4e00\u5c42\u903b\u8f91\uff0c\u6539\u5185\u5bb9\u5728\u53e6\u4e00\u7bc7\u6587\u7ae0\u4e2d\u9610\u8ff0(\u6b64\u5904\u6dfb\u52a0url)\uff0c\u9879\u76ee\u5185\u5bb9\u53ef\u4ee5\u62bd\u8c61\u4e3a\u4e24\u6b65\uff0c\u4e00\u6b65\u662f\u6570\u636e\u5f52\u96c6\u9636\u6bb5\uff0c\u4e00\u6b65\u662f\u7ec4\u88c5\u8f6c\u6362\u6570\u636e\u4e0a\u62a5\u9636\u6bb5<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.1\u6a21\u677f\u6a21\u5f0f\u548c\u7b56\u7565\u6a21\u5f0f\u5728\u6570\u636e\u5f52\u96c6\u9636\u6bb5\u7684\u4f5c\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u573a\u666f\u4e3a\u591a\u4e2a\u4e1a\u52a1\u573a\u666f\u7684\u6570\u636e\u5f52\u96c6\uff0c\u524d\u7f6e\u5904\u7406\u6d41\u7a0b\u76f8\u540c\uff0c\u90fd\u4e3a\u68c0\u67e5\u6279\u6b21\u72b6\u6001\uff0c\u751f\u6210\u4e3b\u6279\u6b21\u53f7\uff08\u6570\u636e\u5f52\u96c6\u90e8\u5206\u4e5f\u5206\u4e3b\u8868\u548c\u5b50\u8868\uff09\uff0c\u5c06\u5f52\u96c6\u5230\u7684\u6570\u636e\u7528\u603b\u6279\u6b21\u53f7\u548c\u4e3b\u8868\u5173\u8054\uff0c\u5f52\u96c6\u5230\u7684\u653e\u5230\u5b50\u8868\u4e2d\u3002\u524d\u51e0\u6b65\u7684\u6b65\u9aa4\u76f8\u540c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5f52\u96c6\u90e8\u5206\uff0c\u4f1a\u6784\u9020\u4e0d\u540c\u7684\u8bf7\u6c42\u4f53\u53bb\u8bf7\u6c42\u4e0d\u540c\u7684\u670d\u52a1\uff0c\u56e0\u6b64\u6a21\u677f\u6a21\u5f0f\u53ef\u4ee5\u5230\u6784\u9020\u8bf7\u6c42\u4f53\u8fd9\u4e00\u6b65\uff0c\u518d\u901a\u8fc7\u7b56\u7565\u6a21\u5f0f\u53bb\u6784\u9020\u4e0d\u540c\u573a\u666f\u7684\u6570\u636e\u8bf7\u6c42\u4f53\u548c\u540e\u7f6e\u8fc7\u6ee4\u6761\u4ef6\uff0c\u7b80\u5355\u7684\u7b56\u7565\u5b9e\u73b0\u5c06\u4f1a\u5728\u4e0b\u6587\u4e00\u5e76\u63d0\u53ca<\/p>\n\n\n\n<h3 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href='http:\/\/lsuccess.xyz\/wp-content\/uploads\/2026\/01\/image.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"321\" height=\"785\" data-original=\"http:\/\/lsuccess.xyz\/wp-content\/uploads\/2026\/01\/image.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-249\" style=\"width:276px;height:auto\"  sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><\/div><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7ec4\u88c5\u6570\u636e\u65f6\u6211\u4eec\u5148\u8bb0\u5f55\u65e5\u5fd7\u4fe1\u606f\uff0c\u65e5\u5fd7\u5206\u4e3a\u4e3b\u8868\u548c\u5b50\u8868\uff0c\u4e3b\u8868\u6807\u660e\u4e00\u6b21\u4e0a\u62a5\u8bb0\u5f55\uff0c\u5b50\u8868\u901a\u8fc7\u4e3b\u8868\u65e5\u5fd7\u4e3b\u952eID\u5173\u8054\uff0c\u8bb0\u5f55\u4e00\u6b21\u4e3b\u8868\u4e0a\u62a5\u8bb0\u5f55\u4e2d\u7684 \u201c\u6bcf\u4e00\u6b21\u201d\u8bf7\u6c42\u7684\u7ed3\u679c\uff0c\u4e0a\u62a5\u7b2c\u4e00\u4e2a\u5148\u8bb0\u5f55\u4e3b\u65e5\u5fd7\u3002\u4e4b\u540e\u8fdb\u5165\u5173\u952e\u6b65\u9aa4\u6570\u636e\u7ec4\u88c5\u90e8\u5206<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b56\u7565\u6a21\u5f0f\u5bf9\u4e0a\u62a5\u90e8\u5206\u7684\u4f5c\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u90e8\u5206\u4e3a\u91cd\u70b9\uff0c\u73b0\u5728\u6211\u4eec\u5c06\u4e0a\u62a5\u4f01\u4e1a\u548c\u4e0a\u62a5\u573a\u666f\u4f5c\u4e3a\u4e00\u4e2a\u6ce8\u89e3\uff0c\u5229\u7528\u6ce8\u89e3\u914d\u5408bean\u7684\u521d\u59cb\u5316\u5c06\u8be5\u5b9e\u73b0\u7c7b\u4ea4\u7531spring\u7ba1\u7406\uff08\u8be5\u5185\u5bb9\u6d89\u53caspring\u7684\u751f\u547d\u5468\u671f\uff0c\u8be6\u60c5\u89c1\u8fd9\u7bc7\u6587\u7ae0\u6253\u597d\u57fa\u7840\uff0c\u6b64\u5904\u4e4b\u540e\u52a0\u4e0aurl\uff09\uff0c\u8fd9\u6837\u4ee3\u7801\u5c31\u80fd\u6ee1\u8db3\u4e0d\u540c\u76d1\u7ba1\u90e8\u95e8\u5bf9\u4e8e\u4e0d\u540c\u4f01\u4e1a\u4e0d\u540c\u8d22\u653f\u573a\u666f\u4e0a\u62a5\u7684\u9700\u6c42\u4e86\uff0c\u5b9e\u73b0\u8fc7\u7a0b\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u9996\u5148\u521b\u5efa\u81ea\u5b9a\u4e49\u6ce8\u89e3\n@Retention(RetentionPolicy.RUNTIME)  \/\/ \u2190 \u8fd0\u884c\u65f6\u4fdd\u7559\uff0c\u53ef\u4ee5\u901a\u8fc7\u53cd\u5c04\u83b7\u53d6\n@Target(ElementType.TYPE)            \/\/ \u2190 \u53ea\u80fd\u6807\u6ce8\u5728\u7c7b\u4e0a\n@Documented                          \/\/ \u2190 \u751f\u6210JavaDoc\u65f6\u5305\u542b\u6b64\u6ce8\u89e3\npublic @interface DataReportService {\n    \n    String targetCode();  \/\/ \u2190 \u76ee\u6807\u7cfb\u7edf\u4ee3\u7801\n    \n    String reportType();  \/\/ \u2190 \u4e0a\u62a5\u7c7b\u578b\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u540e\u521b\u5efa\u5bb9\u5668\u4e0a\u4e0b\u6587<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u5bb9\u5668\uff0c\u5b58\u50a8\"\u6ce8\u89e3 \u2192 \u5b9e\u73b0\u7c7b\"\u7684\u6620\u5c04\u5173\u7cfb\n@Component\npublic class DataReportHandlerContext {\n    \n    \/\/ \u6838\u5fc3\uff1a\u7528 ConcurrentHashMap \u5b58\u50a8\u7b56\u7565\u6620\u5c04\n    \/\/ Key: \u6ce8\u89e3\u5bf9\u8c61\uff08\u5305\u542b targetCode \u548c reportType\uff09\n    \/\/ Value: \u5b9e\u73b0\u7c7b\u7684 Class \u5bf9\u8c61\n    private static final Map&lt;DataReportService, Class&lt;? extends DataReportDomainService&gt;&gt; \n        DATA_REPORT_HANDLER_SERVICE_MAP = new ConcurrentHashMap&lt;&gt;();\n    \n    \/\/ \u6ce8\u518c\u65b9\u6cd5\uff1a\u5c06\u6ce8\u89e3\u548c\u5b9e\u73b0\u7c7b\u653e\u5165 Map\n    public static void registryDataReportStrategy(\n            DataReportService annotation,\n            Class&lt;? extends DataReportDomainService&gt; implClass) {\n        DATA_REPORT_HANDLER_SERVICE_MAP.put(annotation, implClass);\n    }\n    \n    \/\/ \u83b7\u53d6\u65b9\u6cd5\uff1a\u8fd4\u56de\u6574\u4e2a Map\n    public static Map&lt;DataReportService, Class&lt;? extends DataReportDomainService&gt;&gt; \n            getDataReportHandlerServiceMap() {\n        return DATA_REPORT_HANDLER_SERVICE_MAP;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd0\u884c\u4f8b\u5b50\u5982\u4e0b\uff0c\u53ef\u7531\u6b64\u884d\u751f\u51fa\u62d3\u5c55\u6027\uff0c\u6211\u4ee5\u7b80\u5355\u7684\u4f8b\u5b50\u4e3e\u4f8b\uff0c\u5047\u5982\u4f60\u662f\u7535\u8111\u7ef4\u4fee\u5e08\uff0c\u6211\u4eec\u5c06\u7535\u8111\u7684\u90e8\u4ef6\u62c6\u5206\u4e3a\u786c\u4ef6\u548c\u8f6f\u4ef6\u4e24\u79cd\u7ef4\u5ea6\uff0c\u540c\u65f6\u6211\u4eec\u7684\u8f6f\u4ef6\u8fd8\u5305\u62ec\u7cfb\u7edf\u5149\u76d8\uff0cbios\u542f\u52a8\u8bbe\u7f6e\uff0c\u5237\u673a\u7b49\u5185\u5bb9\uff0c\u6b64\u5916\u8fd8\u6709\u786c\u4ef6\u7684\u5185\u5bb9\uff0c\u4e3b\u677f\uff0c\u663e\u5361\uff0c\u7535\u6e90\u7b49\uff0c\u5982\u679c\u62bd\u8c61\u51fa\u4e00\u4e2a\u7ef4\u4fee\u7cfb\u7edf\uff0c\u90a3\u4e48\u6211\u4eec\u6765\u60f3\u8f6f\u4ef6\u548c\u786c\u4ef6\u7684\u7ef4\u4fee\u6b65\u9aa4\u662f\u4e0d\u662f\u524d\u51e0\u6b65\u90fd\u662f\u76f8\u540c\u7684\uff0c\u533a\u522b\u5c31\u5728\u4e8e\u5bf9\u4e8e\u5177\u4f53\u8f6f\u4ef6\u786c\u4ef6\u7ef4\u4fee\u65f6\u5019\u7684\u5177\u4f53\u64cd\u4f5c\u7f62\u4e86\uff0c\u8fd9\u5c31\u662f\u4e0a\u9762\u8fd9\u79cd\u6a21\u5f0f\u7684\u4f53\u73b0\uff0c\u629b\u53bb\u4e1a\u52a1\u7406\u89e3\u4e4b\u5916\u9700\u8981\u4e0b\u529f\u592b\u7684\u5c31\u662fbean\u7684\u751f\u547d\u5468\u671f\u4e86\uff0c\u70b9\u6b64\u94fe\u63a5\u8df3\u8f6c\u5230\u5bf9\u5e94\u5b9e\u64cd\u90e8\u5206\uff08\u6b64\u5904\u63d2\u5165\u4e00\u4e2aURL\uff09<\/p>\n\n\n\n<p data-wp-context---core-fit-text=\"core\/fit-text::{&quot;fontSize&quot;:&quot;&quot;}\" data-wp-init---core-fit-text=\"core\/fit-text::callbacks.init\" data-wp-interactive data-wp-style--font-size=\"core\/fit-text::context.fontSize\" class=\"has-fit-text wp-block-paragraph\">\u4ee5\u4e0a\u4e3a\u57fa\u7840\u5185\u5bb9\uff0c\u9879\u76ee\u7684\u8fd0\u884c\u903b\u8f91\u57fa\u672c\u5982\u4e0a\u6240\u793a\uff0c\u4ee5\u4e0b\u4e3a\u53e6\u5916\u7684\u5185\u5bb9\uff0cTODO<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">1.mapStruct\u5b9e\u73b0\u5bf9\u8c61\u8f6c\u5316<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1.1 \u5b9e\u4f53\u5bf9\u8c61VO,DTO,DO<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fdb\u5165\u6b64\u6a21\u5757\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u4e86\u89e3\u6570\u636e\u6a21\u578b\u7684\u51e0\u79cd\u8868\u793a\u65b0\u5f0f\uff0c\u66f4\u52a0\u8be6\u7ec6\u7684\u53ef\u89c1\u8fd9\u7bc7\u6587\u7ae0 <\/p>\n\n\n\nhttp:\/\/lsuccess.xyz\/index.php\/2025\/07\/15\/%e5%ae%9e%e4%bd%93%e5%af%b9%e8%b1%a1vododtopobopojo%e5%88%b0%e5%ba%95%e6%98%af%e4%ba%9b%e4%bb%80%e4%b9%88\/\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5904\u8fdb\u884c\u7b80\u5355\u7684\u590d\u8ff0\uff0cVO\u662f\u524d\u7aef\u89c6\u56fe\u5c55\u793a\u6570\u636e\u65f6\uff08\u6216\u8005\u8bf4\u662f\u540e\u7aef\u60f3\u8981\u4f20\u9012\u7ed9\u524d\u7aef\u7684\u6570\u636e\u5185\u5bb9\uff09\u7684\u6570\u636e\u5b9e\u4f53\uff0cDTO\u53ef\u7c97\u7565\u7406\u89e3\u4e3a\u6211\u4eec\u64cd\u4f5c\u7684\u6240\u6709\u5b9e\u4f53\u5bf9\u8c61\uff0c\u800cPO\u5219\u662f\u6211\u4eec\u6570\u636e\u5e93\u5c42\u9762\u7684\u5b9e\u4f53\u5bf9\u8c61<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5bf9\u8c61\u4e4b\u95f4\u7684\u7b80\u5355\u8f6c\u6362\u53ef\u4ee5\u5229\u7528mapStruct\u8fdb\u884c\u8f6c\u5316\uff0c\u901a\u5e38\u6211\u4eec\u56demapStruct\u6765\u8fdb\u884c\u6570\u636e\u5e93\u5bf9\u8c61\u8f6c\u5316\uff0c\u4ee5\u4e0b\u662f\u5b9e\u73b0\u7ec6\u8282\u548c\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u5982\u6211\u4eec\u6709\u8fd9\u4e24\u4e2a\u7c7b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6570\u636e\u5e93\u5b9e\u4f53\uff08Entity\uff09\nclass User {\n    private Long id;\n    private String userName;\n    private Integer userAge;\n    private String email;\n    private String password;\n    private Date createTime;\n}\n\n\/\/ \u6570\u636e\u4f20\u8f93\u5bf9\u8c61\uff08DTO\uff09- \u7528\u4e8e\u63a5\u53e3\u8fd4\u56de\nclass UserDTO {\n    private Long id;\n    private String name;\n    private Integer age;\n    private String email;\n    private String createDate;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u7edf\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>UserDTO dto = new UserDTO();\ndto.setId(user.getId());\ndto.setName(user.getName());\ndto.setAge(user.getAge());\ndto.setEmail(user.getEmail());\n\/\/ ... \u53ef\u80fd\u6709\u51e0\u5341\u4e2a\u5b57\u6bb5\n\/\/ \u6216\u8005\u4f7f\u7528BeanUtils\nBeanUtils.copyProperties(user, dto); \/\/ \u5b57\u6bb5\u540d\u4e0d\u540c\u5c31\u4e0d\u884c<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u4ece\u6570\u636e\u5e93\u62ff\u56de\u6570\u636e\u5bf9\u8c61\u60f3\u8981\u8f6c\u5316\u6210\u6211\u4eec\u7684DTO\u5bf9\u8c61\u7684\u65f6\u5019\u8981\u662f\u4e00\u4e2a\u4e00\u4e2aset\u5c31\u5f97\u6d6a\u8d39\u5f88\u591a\u65f6\u95f4\u4e86\uff0c\u66f4\u522b\u8bf4\u5bb9\u6613\u51fa\u9519\uff0c\u4f46\u662f\u5982\u679c\u4f7f\u7528\u4e86MapStruct\u7684\u8bdd<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Mapper\npublic interface UserMapper {\n    \/\/ \u4ee5\u6b64\u5b9e\u4f8b\u8fdb\u884c\u8f6c\u5316\n    UserMapper INSTANCE = Mappers.getMapper(UserMapper.class);\n    \n    \/\/ \u5b57\u6bb5\u540d\u4e0d\u540c\u8981\u6307\u5b9a\u6620\u5c04\u5173\u7cfb\n    @Mapping(source = \"userName\", target = \"name\")\n    @Mapping(source = \"userAge\", target = \"age\")\n    @Mapping(source = \"createTime\", target = \"createDate\", dateFormat = \"yyyy-MM-dd\")\n    @Mapping(target = \"password\",) \n    UserDTO toDTO(User user);\n    \n    \/\/ \u53cd\u5411\u8f6c\u6362\n    @Mapping(source = \"name\", target = \"userName\")\n    @Mapping(source = \"age\", target = \"userAge\")\n    User toEntity(UserDTO dto);\n    \n    \/\/ \u6279\u91cf\u8f6c\u6362\n    List&lt;UserDTO> toDTOList(List&lt;User> users);\n}\n\/\/ \u4f7f\u7528\u65f6\n\n\/\/ \u5355\u4e2a\u8f6c\u6362\nUser user = userRepository.findById(1L);\nUserDTO dto = UserMapper.INSTANCE.toDTO(user);\n\n\/\/ \u6279\u91cf\u8f6c\u6362\nList&lt;User> users = userRepository.findAll();\nList&lt;UserDTO> dtos = UserMapper.INSTANCE.toDTOList(users);\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1.feign\u63a5\u53e3\u903b\u8f91 \u4f20\u7edf\u7684http\u8c03\u7528\u9700\u8981\u4e0d\u4ec5\u9700\u8981\u81ea\u5df1\u624b\u52a8\u62fc\u63a5URL\uff0c\u8fd8\u9700\u8981\u81ea\u5df1\u8bbe\u7f6e\u597d\u8bf7\u6c42\u5934\uff0c\u5e76\u4e14\u9700\u8981\u8c03\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":35,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=240"}],"version-history":[{"count":18,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":286,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/posts\/240\/revisions\/286"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/media\/35"}],"wp:attachment":[{"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lsuccess.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}