{"id":67963,"date":"2026-01-29T13:57:33","date_gmt":"2026-01-29T05:57:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/67963.html"},"modified":"2026-01-29T13:57:33","modified_gmt":"2026-01-29T05:57:33","slug":"%e7%ac%ac%e5%8d%81%e8%af%be%ef%bc%9acontroller-%e5%b1%82%e7%9a%84%e6%ad%a3%e7%a1%ae%e6%89%93%e5%bc%80%e6%96%b9%e5%bc%8f-%e6%8e%a5%e5%8f%a3%e4%b8%8d%e6%98%af%e4%b8%9a%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/67963.html","title":{"rendered":"\u7b2c\u5341\u8bfe\uff1aController \u5c42\u7684\u6b63\u786e\u6253\u5f00\u65b9\u5f0f \u2014\u2014 \u63a5\u53e3\u4e0d\u662f\u4e1a\u52a1\u5c42"},"content":{"rendered":"<h3>\u4e00\u3001\u5148\u8bf4\u7ed3\u8bba&#xff08;\u8fd9\u4e00\u8bfe\u5230\u5e95\u5728\u89e3\u51b3\u4ec0\u4e48&#xff09;<\/h3>\n<p>\u7edd\u5927\u591a\u6570\u540e\u7aef\u9879\u76ee\u70c2&#xff0c;\u4e0d\u662f\u70c2\u5728\u6570\u636e\u5e93&#xff0c;\u4e0d\u662f\u70c2\u5728\u4e8b\u52a1&#xff0c; \u800c\u662f\u70c2\u5728 Controller \u5c42\u3002<\/p>\n<p>\u65b0\u624b Controller&#xff1a;<\/p>\n<ul>\n<li>\u5199\u4e1a\u52a1\u903b\u8f91<\/li>\n<li>\u63a7\u4e8b\u52a1<\/li>\n<li>\u62fc\u5bf9\u8c61<\/li>\n<li>try-catch<\/li>\n<li>\u5199 SQL<\/li>\n<li>\u5199 if\/else<\/li>\n<\/ul>\n<p>\u6210\u719f\u7cfb\u7edf\u91cc\u7684 Controller \u53ea\u6709\u4e00\u53e5\u8bdd\u5b9a\u4f4d&#xff1a;<\/p>\n<p>&#x1f449;\u00a0Controller \u662f\u201c\u63a5\u53e3\u9002\u914d\u5c42\u201d&#xff0c;\u4e0d\u662f\u4e1a\u52a1\u5c42\u3002<\/p>\n<p>\u5b83\u53ea\u8d1f\u8d23&#xff1a; \u63a5\u8bf7\u6c42 \u2192 \u6821\u9a8c \u2192 \u8f6c\u6362 \u2192 \u8c03\u7528 \u2192 \u8fd4\u56de<\/p>\n<\/p>\n<h3>\u4e8c\u3001Controller \u5728\u5206\u5c42\u67b6\u6784\u4e2d\u7684\u771f\u5b9e\u4f4d\u7f6e<\/h3>\n<p>\u4f60\u73b0\u5728\u8fd9\u5957\u4f53\u7cfb\u662f&#xff1a;<\/p>\n<p>interfaces  &#xff08;Controller \/ DTO \/ Assembler&#xff09;<br \/>\napplication &#xff08;\u7528\u4f8b\u7f16\u6392&#xff09;<br \/>\ndomain       (\u4e1a\u52a1\u6838\u5fc3)<br \/>\ninfrastructure&#xff08;\u5e95\u5ea7&#xff09;<\/p>\n<p>&#x1f449; Controller \u6240\u5728\u7684 interfaces \u5c42&#xff0c;\u672c\u8d28\u662f&#xff1a;<\/p>\n<p>\u534f\u8bae\u9002\u914d\u5c42&#xff08;HTTP \/ RPC \/ MQ \u2192 \u7cfb\u7edf\u5185\u90e8\u6a21\u578b&#xff09;<\/p>\n<p>\u5c31\u50cf Android \u91cc\u7684&#xff1a;<\/p>\n<p>Activity \/ ViewModel \u8d1f\u8d23\u201c\u63a5\u7528\u6237\u8f93\u5165 &#043; \u8f6c\u6362 &#043; \u8c03\u7528\u4e1a\u52a1 &#043; \u6e32\u67d3\u7ed3\u679c\u201d<\/p>\n<p>\u5b83\u4e0d\u5e94\u8be5\u5199\u4e1a\u52a1\u89c4\u5219\u3002<\/p>\n<\/p>\n<h3>\u4e09\u3001Controller \u5c42\u53ea\u5141\u8bb8\u5e72 5 \u4ef6\u4e8b<\/h3>\n<h4>\u2705 1. \u63a5\u6536\u534f\u8bae\u8f93\u5165&#xff08;HTTP&#xff09;<\/h4>\n<p>&#064;RequestBody<br \/>\n&#064;PathVariable<br \/>\n&#064;RequestParam<\/p>\n<h4><\/h4>\n<h4>\u2705 2. \u53c2\u6570\u6821\u9a8c&#xff08;\u63a5\u53e3\u8d28\u91cf\u7b2c\u4e00\u9053\u95e8&#xff09;<\/h4>\n<p>&#064;NotBlank<br \/>\n&#064;NotNull<br \/>\n&#064;Size<br \/>\n&#064;Validated<\/p>\n<p>&#x1f449; \u975e\u6cd5\u8bf7\u6c42\u5fc5\u987b\u6321\u5728 Controller\u3002<\/p>\n<\/p>\n<h4>\u2705 3. DTO \u2192 \u5185\u90e8\u6a21\u578b\u8f6c\u6362<\/h4>\n<p>Controller \u4e0d\u8ba4\u8bc6 Entity \/ Domain\u3002<\/p>\n<p><span style=\"color:#fe2c24\">RequestDTO \u2192 Command \/ Query \u2192 ApplicationService<\/span><\/p>\n<p>&#x1f449; \u8fd9\u662f\u63a5\u53e3\u8fb9\u754c&#xff0c;\u4e0d\u662f\u5570\u55e6\u3002<\/p>\n<h4>\u2705 4. \u8c03\u7528 Application \u5c42<\/h4>\n<p>userAppService.register(cmd);<\/p>\n<p>&#x1f449; Controller \u4e0d\u76f4\u63a5\u64cd\u4f5c Domain \/ Repo\u3002<\/p>\n<\/p>\n<h4>\u2705 5. \u7edf\u4e00\u8fd4\u56de<\/h4>\n<p>return Result.ok(dto);<\/p>\n<p>&#x1f449; \u6240\u6709\u5f02\u5e38&#xff0c;\u4ea4\u7ed9\u7b2c9\u8bfe\u3002<\/p>\n<\/p>\n<h3>\u56db\u3001Controller \u5c42\u201c\u7edd\u5bf9\u7981\u6b62\u201d\u7684\u4e8b<\/h3>\n<p>\u274c \u5199\u4e1a\u52a1 if\/else \u274c \u63a7\u4e8b\u52a1 \u274c \u6355\u83b7\u4e1a\u52a1\u5f02\u5e38 \u274c \u62fc\u590d\u6742\u9886\u57df\u5bf9\u8c61 \u274c \u5199 SQL \/ \u8c03 Repo \u274c \u5173\u5fc3\u5e93\u5b58\u3001\u72b6\u6001\u673a\u3001\u89c4\u5219<\/p>\n<p>&#x1f449; \u4e00\u53e5\u8bdd&#xff1a;Controller \u810f&#xff0c;\u7cfb\u7edf\u5fc5\u70c2\u3002<\/p>\n<\/p>\n<h3>\u4e94\u3001\u6807\u51c6\u5de5\u7a0b\u7ed3\u6784&#xff08;\u63a5\u53e3\u7cfb\u7edf\u7ed3\u6784&#xff09;<\/h3>\n<p>interfaces<br \/>\n\u2514\u2500\u2500 http<br \/>\n    \u251c\u2500\u2500 controller<br \/>\n    \u251c\u2500\u2500 dto<br \/>\n    \u2502   \u251c\u2500\u2500 request<br \/>\n    \u2502   \u2514\u2500\u2500 response<br \/>\n    \u2514\u2500\u2500 assembler<\/p>\n<ul>\n<li>controller&#xff1a;\u63a5\u53e3\u5165\u53e3<\/li>\n<li>dto&#xff1a;\u534f\u8bae\u6a21\u578b&#xff08;HTTP \u4e13\u7528&#xff09;<\/li>\n<li>assembler&#xff1a;DTO \u2194 \u5185\u90e8\u6a21\u578b\u8f6c\u6362<\/li>\n<\/ul>\n<p>&#x1f449; \u548c Android \u7684&#xff1a; ui \/ vo \/ mapper\u00a0\u4e00\u4e2a\u601d\u60f3\u3002<\/p>\n<\/p>\n<h3>\u516d\u3001\u6807\u51c6\u63a5\u53e3\u6d41&#xff08;\u5de5\u7a0b\u7ea7&#xff09;<\/h3>\n<h4>\u2460 Request DTO&#xff08;\u534f\u8bae\u6a21\u578b&#xff09;<\/h4>\n<p>public class RegisterReq {<br \/>\n    &#064;NotBlank<br \/>\n    private String phone;<\/p>\n<p>    &#064;NotBlank<br \/>\n    private String password;<br \/>\n}<\/p>\n<h4>\u2461 Command&#xff08;\u5185\u90e8\u7528\u4f8b\u6a21\u578b&#xff0c;application \u5c42&#xff09;<\/h4>\n<p>public class RegisterUserCommand {<br \/>\n    private String phone;<br \/>\n    private String password;<br \/>\n}<\/p>\n<h4>\u2462 Assembler&#xff08;\u63a5\u53e3\u8fb9\u754c&#xff09;<\/h4>\n<p>public class UserAssembler {<br \/>\n    public static RegisterUserCommand toCommand(RegisterReq req) {<br \/>\n        RegisterUserCommand cmd &#061; new RegisterUserCommand();<br \/>\n        cmd.setPhone(req.getPhone());<br \/>\n        cmd.setPassword(req.getPassword());<br \/>\n        return cmd;<br \/>\n    }<br \/>\n}<\/p>\n<h4>\u2463 Controller&#xff08;\u975e\u5e38\u8584&#xff09;<\/h4>\n<p>&#064;RestController<br \/>\n&#064;RequestMapping(&#034;\/users&#034;)<br \/>\npublic class UserController {<\/p>\n<p>    &#064;PostMapping<br \/>\n    public Result&lt;UserDTO&gt; register(&#064;Validated &#064;RequestBody RegisterReq req) {<br \/>\n        RegisterUserCommand cmd &#061; UserAssembler.toCommand(req);<br \/>\n        UserDTO dto &#061; userAppService.register(cmd);<br \/>\n        return Result.ok(dto, RequestId.get());<br \/>\n    }<br \/>\n}<\/p>\n<p>&#x1f449; \u8fd9\u624d\u53eb\u5de5\u7a0b\u7ea7 Controller\u3002<\/p>\n<\/p>\n<h3>\u4e03\u3001\u53c2\u6570\u6821\u9a8c &#061; Controller \u7684\u6838\u5fc3\u8d23\u4efb<\/h3>\n<p>Controller \u662f\u7cfb\u7edf\u8d28\u91cf\u7684\u7b2c\u4e00\u9053\u9632\u7ebf&#xff1a;<\/p>\n<ul>\n<li>\u7a7a\u53c2\u6570<\/li>\n<li>\u975e\u6cd5\u683c\u5f0f<\/li>\n<li>\u8d8a\u754c<\/li>\n<li>\u679a\u4e3e\u975e\u6cd5<\/li>\n<li>\u957f\u5ea6\u653b\u51fb<\/li>\n<\/ul>\n<p>\u5168\u90e8\u6321\u5728\u8fd9\u91cc\u3002<\/p>\n<p>&#064;NotBlank<br \/>\n&#064;Pattern<br \/>\n&#064;Email<br \/>\n&#064;Min &#064;Max<\/p>\n<p>\u7b2c9\u8bfe\u5f02\u5e38\u4f53\u7cfb\u515c\u5e95\u3002<\/p>\n<p>&#x1f449; \u4ece\u7b2c10\u8bfe\u5f00\u59cb&#xff1a; Service \u91cc\u4e0d\u518d\u5199\u53c2\u6570\u6821\u9a8c\u3002<\/p>\n<\/p>\n<h3>\u516b\u3001Controller \u548c\u5f02\u5e38\u4f53\u7cfb\u7684\u914d\u5408&#xff08;\u7b2c9\u8bfe\u8054\u52a8&#xff09;<\/h3>\n<p>Controller \u53ea\u505a\u4e24\u79cd\u4e8b&#xff1a;<\/p>\n<ul>\n<li>\u53c2\u6570\u975e\u6cd5 \u2192 ValidationException \u2192 GlobalHandler<\/li>\n<li>\u4e1a\u52a1\u5931\u8d25 \u2192 BizException \u2192 GlobalHandler<\/li>\n<\/ul>\n<p>Controller \u81ea\u5df1\u4e0d\u5904\u7406\u3002<\/p>\n<p>&#x1f449; \u8fd9\u662f\u63a5\u53e3\u7cfb\u7edf\u201c\u7a33\u5b9a\u6027\u95ed\u73af\u201d\u3002<\/p>\n<h3><\/h3>\n<h3>\u4e5d\u3001\u4f60\u4ece\u8fd9\u4e00\u8bfe\u5f00\u59cb\u80fd\u529b\u53d1\u751f\u7684\u53d8\u5316<\/h3>\n<p>\u4f60\u4e0d\u518d\u662f&#xff1a;<\/p>\n<p>\u274c \u5199\u63a5\u53e3\u7684\u4eba<\/p>\n<p>\u800c\u662f\u5728\u505a&#xff1a;<\/p>\n<p>\u2705 \u63a5\u53e3\u7cfb\u7edf\u8bbe\u8ba1 \u2705 \u534f\u8bae\u4e0e\u4e1a\u52a1\u9694\u79bb \u2705 \u5de5\u7a0b\u8fb9\u754c\u6cbb\u7406 \u2705 \u8d28\u91cf\u9632\u7ebf\u5efa\u8bbe<\/p>\n<p>\u8fd9\u4e00\u6b65\u662f\u4ece\u201c\u529f\u80fd\u5f00\u53d1\u201d\u8d70\u5411\u201c\u7cfb\u7edf\u5de5\u7a0b\u201d\u7684\u95e8\u69db\u3002<\/p>\n<\/p>\n<h3>\u5341\u3001\u8fd9\u4e00\u8bfe\u5b66\u5b8c\u4f60\u5e94\u8be5\u5177\u5907\u7684\u80fd\u529b<\/h3>\n<p>\u4f60\u5e94\u8be5\u80fd\u6e05\u695a\u56de\u7b54&#xff1a;<\/p>\n<ul>\n<li>\u4e00\u4e2a\u63a5\u53e3\u4ece\u54ea\u8fdb&#xff0c;\u4ece\u54ea\u51fa<\/li>\n<li>Controller \u80fd\u5199\u4ec0\u4e48&#xff0c;\u4e0d\u80fd\u5199\u4ec0\u4e48<\/li>\n<li>DTO \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u590d\u7528 Entity<\/li>\n<li>\u53c2\u6570\u6821\u9a8c\u653e\u54ea\u91cc\u6700\u5408\u7406<\/li>\n<li>\u5f02\u5e38\u548c Controller \u600e\u4e48\u5206\u5de5<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u80fd\u7b54\u6e05\u695a\u8fd9 5 \u4e2a\u95ee\u9898&#xff0c; 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