2\u3001\u5b9e\u73b0<\/p>\n
- \n
- \u5c31\u662f\u7528\u5230\u4e24\u4e2a\u6ce8\u89e3<\/li>\n
- \u4e00\u4e2a\u662f\u653e\u5728\u7c7b\u4e0a\u65b9\u4fbf\u7684\uff1a@RestControllerAdvice<\/li>\n
- @RestControllerAdvice = @ResponseBody+@ControllerAdvice<\/li>\n
- \u53e6\u5916\u4e00\u4e2a\u662f\u5177\u4f53\u65b9\u6cd5\u4e0a\uff1a@ExceptionHandler(xxxx.class\u3010\u5f02\u5e38\u7c7b\u3011)<\/li>\n<\/ul>\n
3\u3001\u4f8b\u5b50<\/h3>\n
1\u3001\u5f02\u5e38\u7c7b<\/p>\n
package com.atgui.error;\n\nimport org.springframework.web.bind.annotation.ExceptionHandler;\nimport org.springframework.web.bind.annotation.RestControllerAdvice;\n\n@RestControllerAdvice \/\/ \u5982\u679c\u53d1\u751f\u5f02\u5e38\uff0c\u4f1a\u4f18\u5148\u8d70\u8fd9\u4e2a\u7c7b\npublic class GlobalExceptionHandler {\n\n\/\/ \u53d1\u751f\u5f02\u5e38\uff1a\n\/\/ \u6307\u5b9a\u7684\u5f02\u5e38\uff1a\u53ef\u4ee5\u7cbe\u786e\u7684\u6307\u5b9a\u5f02\u5e38\uff0c\u4e5f\u53ef\u4ee5\u67e5\u627e\u7236\u5f02\u5e38\n\n @ExceptionHandler(ArithmeticException.class)\n public Object ArithmeticExceptionHandler(ArithmeticException e){\n String message = e.getMessage();\n System.out.println("message = " + message);\n return message;\n }\n\n @ExceptionHandler(Exception.class)\n public Object ExceptionHandler(Exception e){\n String message = e.getMessage();\n System.out.println("message = " + message);\n return message;\n }\n}\n<\/code><\/pre>\n2\u3001\u53ef\u80fd\u6709\u5f02\u5e38\u7684controller\u65b9\u6cd5<\/p>\n
package com.atgui.controller;\n\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\n@RequestMapping("user")\npublic class UserController {\n\n @GetMapping("data1")\n public void data1() {\n int [] res = new int[1];\n System.out.println("res = " + res[3]);\n }\n @GetMapping("data2")\n public void data2(){\n int a = 1\/0;\n }\n}\n<\/code><\/pre>\n2\u3001\u62e6\u622a\u5668<\/h2>\n
1\u3001\u4ec0\u4e48\u662f\u62e6\u622a\u5668<\/h3>\n
1\u3001\u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\u89e3\u51b3\u95ee\u9898<\/p>\n
- \n
- \n
\u751f\u6d3b\u4e2d<\/p>\n
\u4e3a\u4e86\u63d0\u9ad8\u4e58\u8f66\u6548\u7387\uff0c\u5728\u4e58\u5ba2\u8fdb\u5165\u7ad9\u53f0\u524d\u7edf\u4e00\u68c0\u7968<\/p>\n
![\"image-20240117175906415\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/p>\n<\/li>\n- \n
\u7a0b\u5e8f\u4e2d<\/p>\n
\u5728\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528\u62e6\u622a\u5668\u5728\u8bf7\u6c42\u5230\u8fbe\u5177\u4f53 handler \u65b9\u6cd5\u524d\uff0c\u7edf\u4e00\u6267\u884c\u68c0\u6d4b<\/p>\n
<\/div><\/p>\n<\/li>\n<\/ul>\n2\u3001\u62e6\u622a\u5668SpringMVC \u5bf9\u6bd4\u8fc7\u6ee4\u5668javaWeb<\/p>\n
- \n
- \n
\u76f8\u4f3c\u70b9<\/p>\n
- \n
- \n
\u62e6\u622a\uff1a\u5fc5\u987b\u5148\u628a\u8bf7\u6c42\u62e6\u4f4f\uff0c\u624d\u80fd\u6267\u884c\u540e\u7eed\u64cd\u4f5c<\/p>\n<\/li>\n
- \n
\u8fc7\u6ee4\uff1a\u62e6\u622a\u5668\u6216\u8fc7\u6ee4\u5668\u5b58\u5728\u7684\u610f\u4e49\u5c31\u662f\u5bf9\u8bf7\u6c42\u8fdb\u884c\u7edf\u4e00\u5904\u7406<\/p>\n<\/li>\n
- \n
\u653e\u884c\uff1a\u5bf9\u8bf7\u6c42\u6267\u884c\u4e86\u5fc5\u8981\u64cd\u4f5c\u540e\uff0c\u653e\u8bf7\u6c42\u8fc7\u53bb\uff0c\u8ba9\u5b83\u8bbf\u95ee\u539f\u672c\u60f3\u8981\u8bbf\u95ee\u7684\u8d44\u6e90<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u4e0d\u540c\u70b9<\/p>\n
- \n
- \u5de5\u4f5c\u5e73\u53f0\u4e0d\u540c<\/li>\n
- \u8fc7\u6ee4\u5668\u5de5\u4f5c\u5728 Servlet \u5bb9\u5668\u4e2d<\/li>\n
- \u62e6\u622a\u5668\u5de5\u4f5c\u5728 SpringMVC \u7684\u57fa\u7840\u4e0a<\/li>\n
- \u62e6\u622a\u7684\u8303\u56f4<\/li>\n
- \u8fc7\u6ee4\u5668\uff1a\u80fd\u591f\u62e6\u622a\u5230\u7684\u6700\u5927\u8303\u56f4\u662f\u6574\u4e2a Web \u5e94\u7528<\/li>\n
- \u62e6\u622a\u5668\uff1a\u80fd\u591f\u62e6\u622a\u5230\u7684\u6700\u5927\u8303\u56f4\u662f\u6574\u4e2a SpringMVC \u8d1f\u8d23\u7684\u8bf7\u6c42<\/li>\n
- IOC \u5bb9\u5668\u652f\u6301<\/li>\n
- \u8fc7\u6ee4\u5668\uff1a\u60f3\u5f97\u5230 IOC \u5bb9\u5668\u9700\u8981\u8c03\u7528\u4e13\u95e8\u7684\u5de5\u5177\u65b9\u6cd5\uff0c\u662f\u95f4\u63a5\u7684<\/li>\n
- \u62e6\u622a\u5668\uff1a\u5b83\u81ea\u5df1\u5c31\u5728 IOC \u5bb9\u5668\u4e2d\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u4ece IOC \u5bb9\u5668\u4e2d\u88c5\u914d\u7ec4\u4ef6\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u76f4\u63a5\u5f97\u5230 IOC \u5bb9\u5668\u7684\u652f\u6301<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
3\u3001\u9009\u62e9<\/p>\n
- \n
- \u529f\u80fd\u9700\u8981\u5982\u679c\u7528 SpringMVC \u7684\u62e6\u622a\u5668\u80fd\u591f\u5b9e\u73b0\uff0c\u5c31\u4e0d\u4f7f\u7528\u8fc7\u6ee4\u5668\u3002<\/li>\n
- <\/div><\/li>\n<\/ul>\n
2\u3001\u62e6\u622a\u5668\u7684\u4f7f\u7528<\/h3>\n
1\u3001\u6b65\u9aa4<\/h4>\n
1\u3001\u5148\u521b\u5efa\u4e00\u4e2a\u62e6\u622a\u5668<\/p>\n
- \n
- \u521b\u5efa\u4e00\u4e2a\u7c7b\uff0c<\/li>\n
- \u8fd9\u4e2a\u7c7b\u5b9e\u73b0HandlerInterceptor \u63a5\u53e3<\/li>\n
- \u67093\u4e2a\u65b9\u6cd5<\/li>\n
- preHandle()<\/li>\n
- postHandle()<\/li>\n
- afterCompletion()<\/li>\n<\/ul>\n
2\u3001\u5728\u914d\u7f6e\u7c7b\u4e2d\u6dfb\u52a0\u62e6\u622a\u5668\u7ec4\u4ef6<\/p>\n
- \n
- \u5b9e\u73b0\u8fd9\u4e2aaddInterceptors()\u65b9\u6cd5<\/li>\n<\/ul>\n
2\u3001\u914d\u7f6e\u7c7b\u4e2d\u7684\u8be6\u60c5<\/h4>\n
1\u3001\u9ed8\u8ba4\u62e6\u622a\u5168\u90e8<\/p>\n
- \n
- \u5c31\u76f4\u63a5\u5b9e\u73b0\u8fd9\u4e2a\u65b9\u6cd5addInterceptors()<\/li>\n<\/ul>\n
2\u3001\u7cbe\u51c6\u914d\u7f6e\u62e6\u622a<\/p>\n
- \n
- \n
\u8bbe\u7f6e\u8def\u5f84<\/p>\n<\/li>\n
- \n
\u5c31\u662f\u5728\u5b9e\u73b0\u8fd9\u4e2aaddInterceptors()\u65b9\u6cd5\u540e\u9762\u6dfb\u52a0\u4e00\u4e2aaddPathPatterns()\u65b9\u6cd5<\/p>\n<\/li>\n
- \n
registry.addInterceptor(new MyInterceptor()).addPathPatterns(\"\/user\/**\");<\/code><\/pre>\n<\/li>\n<\/ul>\n3\u3001\u6392\u9664\u62e6\u622a<\/p>\n
- \n
- \u8bbe\u7f6e\u8def\u5f84<\/li>\n
- \u5c31\u662f\u5728\u5b9e\u73b0\u8fd9\u4e2aaddPathPatterns()\u65b9\u6cd5\u540e\u9762\u6dfb\u52a0\u4e00\u4e2a\u65b9\u6cd5excludePathPatterns()<\/li>\n<\/ul>\n
3\u30013\u4e2a\u65b9\u6cd5\u4ecb\u7ecd<\/h4>\n
1\u3001preHandle\u65b9\u6cd5<\/p>\n
- \n
- \u4f5c\u7528\n
- \n
- \u6267\u884chandler\u4e4b\u524d\uff01\u8c03\u7528\u7684\u62e6\u622a\u5668\uff01<\/li>\n
- \u7f16\u7801\u683c\u5f0f\u8bbe\u7f6e\uff0c\u767b\u5f55\u4fdd\u62a4\uff0c\u6743\u9650\u5904\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
2\u3001postHandle<\/p>\n
- \n
- \u4f5c\u7528\n
- \n
- \u6267\u884chandler\u4e4b\u540e\uff0c\u8fd4\u56demodelAndView\u4e4b\u524d ,\u5bf9\u7ed3\u679c\u5904\u7406\uff0c\u654f\u611f\u8bcd\u68c0\u67e5<\/li>\n
- \u8fd9\u4e2a\u65b9\u6cd5\u53ea\u80fd\u5728preHandle\u65b9\u6cd5\u8fd4\u56detrue\u4e4b\u540e\u6267\u884c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
3\u3001afterCompletion\u65b9\u6cd5<\/p>\n
- \n
- \u4f5c\u7528\n
- \n
- \u6574\u7406\u5904\u7406\u5b8c\u6bd5\u8c03\u7528\uff01<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
4\u3001\u4f8b\u5b50<\/h4>\n
1\u3001\u62e6\u622a\u5668\u7c7b<\/p>\n
package com.atgui.interceptor;\n\nimport jakarta.servlet.http.HttpServletRequest;\nimport jakarta.servlet.http.HttpServletResponse;\nimport org.springframework.web.servlet.HandlerInterceptor;\nimport org.springframework.web.servlet.ModelAndView;\n\npublic class MyInterceptor implements HandlerInterceptor {\n\n \/**\n * \u6267\u884chandler\u4e4b\u524d\uff01\u8c03\u7528\u7684\u62e6\u622a\u5668\uff01\n * \u7f16\u7801\u683c\u5f0f\u8bbe\u7f6e\uff0c\u767b\u5f55\u4fdd\u62a4\uff0c\u6743\u9650\u5904\u7406\n * @param request \u8bf7\u6c42\u5bf9\u8c61\n * @param response \u54cd\u5e94\u5bf9\u8c61\n * @param handler \u6211\u4eechandler\u8c03\u7528\u7684\u65b9\u6cd5\n * @return true\u662f\u653e\u884c\uff0cfalse\u662f\u62e6\u622a\n * @throws Exception\n *\/\n @Override\n public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {\n System.out.println("request = " + request);\n return true;\n }\n\n \/**\n * \u6267\u884chandler\u4e4b\u540e\uff0c\u8fd4\u56demodelAndView\u4e4b\u524d ,\u5bf9\u7ed3\u679c\u5904\u7406\uff0c\u654f\u611f\u8bcd\u68c0\u67e5\n * \u8fd9\u4e2a\u65b9\u6cd5\u53ea\u80fd\u5728preHandle\u65b9\u6cd5\u8fd4\u56detrue\u4e4b\u540e\u6267\u884c\n * @param request \u8bf7\u6c42\n * @param response \u54cd\u5e94\n * @param handler handler\u65b9\u6cd5\n * @param modelAndView \u8fd4\u56de\u7684\u89c6\u56fe\u548c\u5171\u4eab\u57df\u5bf9\u8c61\n * @throws Exception\n *\/\n @Override\n public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {\n System.out.println("MyInterceptor.postHandle");\n }\n\n \/**\n * \u6574\u7406\u56fe\u4f8b\u5b8c\u6bd5\u8c03\u7528\uff01\n * @param request current HTTP request\n * @param response current HTTP response\n * @param handler the handler that started asynchronous\n * execution, for type and\/or instance examination\n * @param ex any exception thrown on handler execution, if any; this does not\n * include exceptions that have been handled through an exception resolver\n * @throws Exception \u6355\u83b7\u5f02\u5e38\u5bf9\u8c61\n *\/\n @Override\n public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {\n System.out.println("MyInterceptor.afterCompletion");\n }\n}\n<\/code><\/pre>\n2\u3001\u914d\u7f6e\u7c7b\u8bbe\u7f6e<\/p>\n
package com.atgui.config;\n\nimport com.atgui.interceptor.MyInterceptor;\nimport org.springframework.context.annotation.ComponentScan;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;\nimport org.springframework.web.servlet.config.annotation.EnableWebMvc;\nimport org.springframework.web.servlet.config.annotation.InterceptorRegistry;\nimport org.springframework.web.servlet.config.annotation.WebMvcConfigurer;\n\n@Configuration\n@ComponentScan("com.atgui")\n@EnableWebMvc\npublic class MvcConfig implements WebMvcConfigurer {\n @Override\n public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {\n configurer.enable();\n }\n\n @Override\n public void addInterceptors(InterceptorRegistry registry) {\n\/\/ \u914d\u7f6e\u65b9\u6cd51\uff1a\u62e6\u622a\u5168\u90e8\u8bf7\u6c42\n\/\/ registry.addInterceptor(new MyInterceptor());\n\/\/ \u914d\u7f6e\u65b9\u6cd52\uff1a\u6307\u5b9a\u5730\u5740\u62e6\u622a.addPathPatterns("\/xxx\/xxx");\n\/\/ \u4e5f\u53ef\u4ee5\u6a21\u7cca\uff1a*\uff1a\u4efb\u610f\u5b57\u7b26\u4e32\uff1b**\uff1a\u4efb\u610f\u591a\u5c42\u5b57\u7b26\u4e32\n\/\/ registry.addInterceptor(new MyInterceptor()).addPathPatterns("\/user\/**");\n\/\/ \u914d\u7f6e\u65b9\u6cd53\uff1a\u6392\u9664\u62e6\u622a \u6392\u9664\u7684\u5730\u5740\u5e94\u8be5\u62e6\u622a\u5730\u5740\u7684\u5185\u90e8\n registry.addInterceptor(new MyInterceptor()).addPathPatterns("\/user\/**").excludePathPatterns("\/user\/data1");\n }\n}\n<\/code><\/pre>\n5\u3001\u591a\u4e2a\u62e6\u622a\u5668\u6267\u884c\u7684\u987a\u5e8f<\/h4>\n
1\u3001\u56fe\u89e3
<\/div><\/p>\n2\u3001\u6267\u884c<\/p>\n
- \n
- preHandle() \u65b9\u6cd5\uff1aSpringMVC \u4f1a\u628a\u6240\u6709\u62e6\u622a\u5668\u6536\u96c6\u5230\u4e00\u8d77\uff0c\u7136\u540e\u6309\u7167\u914d\u7f6e\u987a\u5e8f\u8c03\u7528\u5404\u4e2a preHandle() \u65b9\u6cd5\u3002<\/li>\n
- postHandle() \u65b9\u6cd5\uff1aSpringMVC \u4f1a\u628a\u6240\u6709\u62e6\u622a\u5668\u6536\u96c6\u5230\u4e00\u8d77\uff0c\u7136\u540e\u6309\u7167\u914d\u7f6e\u76f8\u53cd\u7684\u987a\u5e8f\u8c03\u7528\u5404\u4e2a postHandle() \u65b9\u6cd5\u3002<\/li>\n
- afterCompletion() \u65b9\u6cd5\uff1aSpringMVC \u4f1a\u628a\u6240\u6709\u62e6\u622a\u5668\u6536\u96c6\u5230\u4e00\u8d77\uff0c\u7136\u540e\u6309\u7167\u914d\u7f6e\u76f8\u53cd\u7684\u987a\u5e8f\u8c03\u7528\u5404\u4e2a afterCompletion() \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
3\u3001\u5e95\u5c42\u4ee3\u7801\u4e2d\uff0c\u5148\u6309List\u96c6\u5408\u6765\u904d\u5386\u6267\u884cpreHandle()\u65b9\u6cd5<\/p>\n
4\u3001\u7136\u540e\u518d\u6309List\u96c6\u5408\u76f8\u53cd\u987a\u5e8f\u6765\u904d\u5386postHandle() \u3001postHandle() \u3001afterCompletion() <\/p>\n
3\u3001\u53c2\u6570\u6821\u9a8c<\/h2>\n
1\u3001\u5728 Web \u5e94\u7528\u4e09\u5c42\u67b6\u6784\u4f53\u7cfb\u4e2d\uff0c\u8868\u8ff0\u5c42\u8d1f\u8d23\u63a5\u6536\u6d4f\u89c8\u5668\u63d0\u4ea4\u7684\u6570\u636e\uff0c\u4e1a\u52a1\u903b\u8f91\u5c42\u8d1f\u8d23\u6570\u636e\u7684\u5904\u7406\u3002\u4e3a\u4e86\u80fd\u591f\u8ba9\u4e1a\u52a1\u903b\u8f91\u5c42\u57fa\u4e8e\u6b63\u786e\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u6211\u4eec\u9700\u8981\u5728\u8868\u8ff0\u5c42\u5bf9\u6570\u636e\u8fdb\u884c\u68c0\u67e5\uff0c\u5c06\u9519\u8bef\u7684\u6570\u636e\u9694\u7edd\u5728\u4e1a\u52a1\u903b\u8f91\u5c42\u4e4b\u5916\u3002<\/p>\n
2\u3001\u56fe\u89e3<\/p>\n
<\/div><\/p>\n1\u3001\u6821\u9a8c\u6982\u8ff0<\/h3>\n
1\u3001JSR 303 \u662f Java \u4e3a Bean \u6570\u636e\u5408\u6cd5\u6027\u6821\u9a8c\u63d0\u4f9b\u7684\u6807\u51c6\u6846\u67b6\uff0c\u5b83\u5df2\u7ecf\u5305\u542b\u5728 JavaEE 6.0 \u6807\u51c6\u4e2d\u3002JSR 303 \u901a\u8fc7\u5728 Bean \u5c5e\u6027\u4e0a\u6807\u6ce8\u7c7b\u4f3c\u4e8e @NotNull\u3001@Max \u7b49\u6807\u51c6\u7684\u6ce8\u89e3\u6307\u5b9a\u6821\u9a8c\u89c4\u5219\uff0c\u5e76\u901a\u8fc7\u6807\u51c6\u7684\u9a8c\u8bc1\u63a5\u53e3\u5bf9Bean\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n
2\u3001\u6ce8\u89e3<\/h3>\n
1\u3001\u57fa\u672c<\/p>\n
\n\n
\n \n\u6ce8\u89e3<\/th>\n \u89c4\u5219<\/th>\n<\/tr>\n<\/thead>\n \n @Null<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u4e3a null<\/td>\n<\/tr>\n \n @NotNull<\/td>\n \u6807\u6ce8\u503c\u4e0d\u53ef\u4e3a null<\/td>\n<\/tr>\n \n @AssertTrue<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u4e3a true<\/td>\n<\/tr>\n \n @AssertFalse<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u4e3a false<\/td>\n<\/tr>\n \n @Min(value)<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e value<\/td>\n<\/tr>\n \n @Max(value)<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u5c0f\u4e8e\u6216\u7b49\u4e8e value<\/td>\n<\/tr>\n \n @DecimalMin(value)<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e value<\/td>\n<\/tr>\n \n @DecimalMax(value)<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u5c0f\u4e8e\u6216\u7b49\u4e8e value<\/td>\n<\/tr>\n \n @Size(max,min)<\/td>\n \u6807\u6ce8\u503c\u5927\u5c0f\u5fc5\u987b\u5728 max \u548c min \u9650\u5b9a\u7684\u8303\u56f4\u5185<\/td>\n<\/tr>\n \n @Digits(integer,fratction)<\/td>\n \u6807\u6ce8\u503c\u503c\u5fc5\u987b\u662f\u4e00\u4e2a\u6570\u5b57\uff0c\u4e14\u5fc5\u987b\u5728\u53ef\u63a5\u53d7\u7684\u8303\u56f4\u5185<\/td>\n<\/tr>\n \n @Past<\/td>\n \u6807\u6ce8\u503c\u53ea\u80fd\u7528\u4e8e\u65e5\u671f\u578b\uff0c\u4e14\u5fc5\u987b\u662f\u8fc7\u53bb\u7684\u65e5\u671f<\/td>\n<\/tr>\n \n @Future<\/td>\n \u6807\u6ce8\u503c\u53ea\u80fd\u7528\u4e8e\u65e5\u671f\u578b\uff0c\u4e14\u5fc5\u987b\u662f\u5c06\u6765\u7684\u65e5\u671f<\/td>\n<\/tr>\n \n @Pattern(value)<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u7b26\u5408\u6307\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 2\u3001\u6269\u5c55<\/p>\n
\n\n
\n \n<\/th>\n <\/th>\n<\/tr>\n<\/thead>\n \n @Email<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u662f\u683c\u5f0f\u6b63\u786e\u7684 Email \u5730\u5740<\/td>\n<\/tr>\n \n @Length<\/td>\n \u6807\u6ce8\u503c\u5b57\u7b26\u4e32\u5927\u5c0f\u5fc5\u987b\u5728\u6307\u5b9a\u7684\u8303\u56f4\u5185<\/td>\n<\/tr>\n \n @NotEmpty<\/td>\n \u6807\u6ce8\u503c\u5b57\u7b26\u4e32\u4e0d\u80fd\u662f\u7a7a\u5b57\u7b26\u4e32<\/td>\n<\/tr>\n \n @Range<\/td>\n \u6807\u6ce8\u503c\u5fc5\u987b\u5728\u6307\u5b9a\u7684\u8303\u56f4\u5185<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 3\u3001\u8865\u5145\u8bf4\u660e<\/p>\n
- \n
- Spring 4.0 \u7248\u672c\u5df2\u7ecf\u62e5\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u6570\u636e\u6821\u9a8c\u6846\u67b6\uff0c\u540c\u65f6\u652f\u6301 JSR 303 \u6807\u51c6\u7684\u6821\u9a8c\u6846\u67b6\u3002Spring \u5728\u8fdb\u884c\u6570\u636e\u7ed1\u5b9a\u65f6\uff0c\u53ef\u540c\u65f6\u8c03\u7528\u6821\u9a8c\u6846\u67b6\u5b8c\u6210\u6570\u636e\u6821\u9a8c\u5de5\u4f5c\u3002\u5728SpringMVC \u4e2d\uff0c\u53ef\u76f4\u63a5\u901a\u8fc7\u6ce8\u89e3\u9a71\u52a8 @EnableWebMvc \u7684\u65b9\u5f0f\u8fdb\u884c\u6570\u636e\u6821\u9a8c\u3002<\/li>\n
- Spring \u7684 LocalValidatorFactoryBean \u65e2\u5b9e\u73b0\u4e86 Spring \u7684 Validator \u63a5\u53e3\uff0c\u4e5f\u5b9e\u73b0\u4e86 JSR 303 \u7684 Validator \u63a5\u53e3\u3002\u53ea\u8981\u5728Spring\u5bb9\u5668\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2aLocalValidatorFactoryBean\uff0c\u5373\u53ef\u5c06\u5176\u6ce8\u5165\u5230\u9700\u8981\u6570\u636e\u6821\u9a8c\u7684 Bean\u4e2d\u3002<\/li>\n
- Spring\u672c\u8eab\u5e76\u6ca1\u6709\u63d0\u4f9bJSR 303\u7684\u5b9e\u73b0\uff0c\u6240\u4ee5\u5fc5\u987b\u5c06JSR 303\u7684\u5b9e\u73b0\u8005\u7684jar\u5305\u653e\u5230\u7c7b\u8def\u5f84\u4e0b\u3002<\/li>\n
- \u914d\u7f6e @EnableWebMvc\u540e\uff0cSpringMVC \u4f1a\u9ed8\u8ba4\u88c5\u914d\u597d\u4e00\u4e2a LocalValidatorFactoryBean\uff0c\u901a\u8fc7\u5728\u5904\u7406\u65b9\u6cd5\u7684\u5165\u53c2\u4e0a\u6807\u6ce8 @Validated \u6ce8\u89e3\u5373\u53ef\u8ba9 SpringMVC \u5728\u5b8c\u6210\u6570\u636e\u7ed1\u5b9a\u540e\u6267\u884c\u6570\u636e\u6821\u9a8c\u7684\u5de5\u4f5c\u3002<\/li>\n<\/ul>\n
3\u3001\u64cd\u4f5c\u6b65\u9aa4<\/h3>\n
1\u3001\u5bfc\u5165\u76f8\u5173\u4f9d\u8d56<\/p>\n
<!-- \u6821\u9a8c\u6ce8\u89e3 -->\n<dependency>\n <groupId>jakarta.platform<\/groupId>\n <artifactId>jakarta.jakartaee-web-api<\/artifactId>\n <version>9.1.0<\/version>\n <scope>provided<\/scope>\n<\/dependency>\n\n<!-- \u6821\u9a8c\u6ce8\u89e3\u5b9e\u73b0--> \n<!-- https:\/\/mvnrepository.com\/artifact\/org.hibernate.validator\/hibernate-validator -->\n<dependency>\n <groupId>org.hibernate.validator<\/groupId>\n <artifactId>hibernate-validator<\/artifactId>\n <version>8.0.0.Final<\/version>\n<\/dependency>\n<!-- https:\/\/mvnrepository.com\/artifact\/org.hibernate.validator\/hibernate-validator-annotation-processor -->\n<dependency>\n <groupId>org.hibernate.validator<\/groupId>\n <artifactId>hibernate-validator-annotation-processor<\/artifactId>\n <version>8.0.0.Final<\/version>\n<\/dependency><\/code><\/pre>\n2\u3001\u5b9e\u4f53\u7c7b\u5c5e\u6027\u6dfb\u52a0\u6821\u9a8c\u6ce8\u89e3<\/p>\n
3\u3001handler\u65b9\u6cd5\u53c2\u6570\u524d\u6dfb\u52a0@Validated\u6ce8\u89e3<\/p>\n
4\u3001BindingResult\u5bf9\u8c61\u83b7\u53d6\u6821\u9a8c\u9519\u8bef\u4fe1\u606f<\/p>\n
5\u3001 \u5982\u679c\u4e0d\u7b26\u5408\u6821\u9a8c\u90ed\u6cfd\uff0c\u76f4\u63a5\u5411\u524d\u7aef\u629b\u51fa\u9519\u8bef<\/p>\n
- \n
- \u63a5\u6536\u7ed1\u5b9a\u9519\u8bef\uff0c\u81ea\u5b9a\u4e49\u8fd4\u56de\u7ed3\u679c<\/li>\n
- \u6355\u83b7\u9519\u8bef\u7ed1\u5b9a\u4fe1\u606f\n
- \n
- 1\u3001handler(\u6821\u9a8c\u5bf9\u8c61\uff0cBindingResult result<\/li>\n
- 2\u3001BindingResult result.hasErrors()\u7ed1\u5b9a\u9519\u8bef\u4fe1\u606f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
4\u3001\u4f8b\u5b50<\/h3>\n
1\u3001\u521b\u5efa\u5b9e\u4f53\u7c7b<\/p>\n
package com.atgui.pojo;\n\nimport jakarta.validation.constraints.Email;\nimport jakarta.validation.constraints.Min;\nimport jakarta.validation.constraints.NotNull;\nimport jakarta.validation.constraints.Past;\nimport lombok.Data;\nimport org.hibernate.validator.constraints.Length;\n\n@Data\npublic class User {\n\n @NotNull\n private String name;\n @Length(min = 6)\n private String password;\n @Min(1)\n private int age;\n @Email\n private String email;\n @Past\n private Data birthDate;\n}\n<\/code><\/pre>\n2\u3001\u6dfb\u52a0\u63a7\u5236\u5668\u53ca\u6ce8\u89e3<\/p>\n
\/*\n \u6b65\u9aa4\n 1\u3001\u5bfc\u5165\u4f9d\u8d56\n 2\u3001\u5b9e\u4f53\u7c7b\u5c5e\u6027\u6dfb\u52a0\u6821\u9a8c\u6ce8\u89e3\n 3\u3001handler\u65b9\u6cd5\u53c2\u6570\u524d\u6dfb\u52a0@Validated\u6ce8\u89e3\n 4\u3001BindingResult\u5bf9\u8c61\u83b7\u53d6\u6821\u9a8c\u9519\u8bef\u4fe1\u606f\n\n \u5982\u679c\u4e0d\u7b26\u5408\u6821\u9a8c\u90ed\u6cfd\uff0c\u76f4\u63a5\u5411\u524d\u7aef\u629b\u51fa\u9519\u8bef\n \u63a5\u6536\u7ed1\u5b9a\u9519\u8bef\uff0c\u81ea\u5b9a\u4e49\u8fd4\u56de\u7ed3\u679c\n \u6355\u83b7\u9519\u8bef\u7ed1\u5b9a\u4fe1\u606f\n 1\u3001handler(\u6821\u9a8c\u5bf9\u8c61\uff0cBindingResult result\n 2\u3001BindingResult result.hasErrors()\u7ed1\u5b9a\u9519\u8bef\u4fe1\u606f\n *\/\n @PostMapping("register")\n public Object register(@Validated @RequestBody User user, BindingResult result){\n\/\/ \u8bbe\u7f6e\u7ed1\u5b9a\u9519\u8bef\uff0c\n if(result.hasErrors()){\n Map data = new HashMap();\n data.put("code",400);\n return data;\n }\n\n System.out.println("user = " + user);\n return user;\n }<\/code><\/pre>\n5\u3001\u6ce8\u610f<\/h3>\n
1\u3001\u4e00\u5b9a\u8981\u52a0Validated\u6ce8\u89e3\u3002\u5426\u5219\u65e0\u6cd5\u5b9e\u73b0<\/p>\n
2\u3001\u5982\u679c\u9700\u8981\u629b\u51fa\u9519\u8bef\uff0c\u5c31\u5fc5\u987b\u5b9e\u73b0BindingResult result\u3002\u7d27\u6328\u7740\u6240\u9700\u8981\u6821\u9a8c\u7684\u5b9e\u4f53\u7c7b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e94\u3001SpringMVC\u5176\u4ed6\u6269\u5c55 1\u3001\u5168\u5c40\u5f02\u5e38\u5904\u7406\u673a\u5236 1\u3001\u5f02\u5e38\u5904\u7406\u7684\u4e24\u79cd\u65b9\u5f0f 1\u3001\u7f16\u7a0b\u5f0f\u5f02\u5e38 1\u3001\u662f\u6307\u5728\u4ee3\u7801\u4e2d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-5832","post","type-post","status-publish","format-standard","hentry","category-springmvc"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=5832"}],"version-history":[{"count":1,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5832\/revisions"}],"predecessor-version":[{"id":5833,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5832\/revisions\/5833"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=5832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=5832"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=5832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \u6574\u7406\u5904\u7406\u5b8c\u6bd5\u8c03\u7528\uff01<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
- \u4f5c\u7528\n
- \u4f5c\u7528\n
- \u4f5c\u7528\n
- \n
- \u5c31\u76f4\u63a5\u5b9e\u73b0\u8fd9\u4e2a\u65b9\u6cd5addInterceptors()<\/li>\n<\/ul>\n
- \u5b9e\u73b0\u8fd9\u4e2aaddInterceptors()\u65b9\u6cd5<\/li>\n<\/ul>\n
- \n
- \n
- \n
![\"image-20240117175906415\"](\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117175906415.png\")
<\/div><\/p>\n<\/li>\n![\"image-20240117175917762\"](\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117175917762.png\")
<\/div><\/p>\n<\/li>\n<\/ul>\n![\"image-20240117180150925\"](\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117180150925.png\")
<\/div><\/li>\n<\/ul>\n![\"image-20240117181536787\"](\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117181536787.png\")
<\/div><\/p>\n![\"image-20240117192455756\"](\"http:\/\/zyg.luchers.cn\/wp-content\/uploads\/2024\/04\/image-20240117192455756.png\")
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