完全处理后的controller @RestController @DefaultEx(TestException.class) public class TestController{ @GetMapping @UnknownEx("test1 exception") public String test(String arg) { if(StringUtils.isEmpty(arg)){ throw new TestException("参数arg不能为空"); }

objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

简介 maven profile插件可以根据环境参数，系统os，文件是否存在，和JDK版本等条件决定是否激活配置。激活的配置可以是环境参数的赋值，对应版

跟参数lower_case_table_names相关 执行语句，查询该参数值 SHOW VARIABLES LIKE ‘%case%’ lower_case_table_name

请求头枚举类 public enum HttpHeader { AUTHORIZATION("Authorization"), AUTHENTICATION_TYPE_BASIC("Basic"), X_AUTH_TOKEN("X-AUTH-TOKEN"), WWW_Authenticate("WWW-Authenticate"), X_FORWARDED_FOR("X-Forwarded-For"), PROXY_CLIENT_IP("Proxy-Client-IP"), WL_PROXY_CLIENT_IP("WL-Proxy-Client-IP"), HTTP_CLIENT_IP("HTTP_CLIENT_IP"), HTTP_X_FORWARDED_FOR("HTTP_X_FORWARDED_FOR"); private String key; private HttpHeader(String key) { this.key = key; } public String key() { return this.key; } } 工具类 public class RemoteIpHelper { private static final String UNKNOWN = "unknown"; public static String getRemoteIpFrom(HttpServletRequest request) { String ip = null; int tryCount = 1; while (!isIpFound(ip) && tryCount

简介 Maven release不在maven默认生命周期内，需要通过plugin来实现。Maven release可以自动管理pom.xml中的版本号，

多个where条件，每个条件对应的更新值不同，需要mysql批量更新 UPDATE test_table SET test_target = test_id CASE WHEN "123" THEN "456" WHEN "789" THEN "101" END WHERE test_id in ['123','789'] 但是在程序中，直接写常量的情况太