时间转换问题解决 时间转换的题10道三年级

Failed to convert value of type ‘java.lang.String‘ to required type ‘java.util.Date‘

1.具体bug

2024-08-01 17:34:51.670 [http-nio-9810-exec-2] ERROR c.r.c.s.h.GlobalExceptionHandler - [handleRuntimeException,82] - 请求地址'/log/search/deleteByTime',发生未知异常.
org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert value of type 'java.lang.String' to required type 'java.util.Date'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.web.bind.annotation.RequestParam java.util.Date] for value '2024-07-02 17:34:25'; nested exception is java.lang.IllegalArgumentException
	at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:133)
	at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:122)
	at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:179)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:146)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1070)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
	at org.springframework.web.servlet.FrameworkServlet.doPut(FrameworkServlet.java:920)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:750)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:96)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1789)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@org.springframework.web.bind.annotation.RequestParam java.util.Date] for value '2024-07-02 17:34:25'; nested exception is java.lang.IllegalArgumentException
	at org.springframework.core.convert.support.ObjectToObjectConverter.convert(ObjectToObjectConverter.java:119)
	at org.springframework.core.convert.support.ConversionUtils.invokeConverter(ConversionUtils.java:41)
	at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:192)
	at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:129)
	at org.springframework.beans.TypeConverterSupport.convertIfNecessary(TypeConverterSupport.java:73)
	at org.springframework.beans.TypeConverterSupport.convertIfNecessary(TypeConverterSupport.java:53)
	at org.springframework.validation.DataBinder.convertIfNecessary(DataBinder.java:729)
	at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:125)
	... 48 common frames omitted
Caused by: java.lang.IllegalArgumentException: null
	at java.base/java.util.Date.parse(Date.java:616)
	at java.base/java.util.Date.<init>(Date.java:274)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at org.springframework.core.convert.support.ObjectToObjectConverter.convert(ObjectToObjectConverter.java:115)
	... 55 common frames omitted

2.解决方式1单独在controller中写一个时间处理方法，将下面代码直接复制到调用接口的类里面

   @InitBinder
    public void initBinder(WebDataBinder binder, WebRequest request) {
        //转换日期
        DateFormat dateFormat=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));// CustomDateEditor为自定义日期编辑器
    }

2.方式2写一个全局

1. 创建一个配置类并实现WebMvcConfigurer接口。
2. 在配置类中注册一个FormattingConversionService，并添加一个日期时间格式化器。
   以下是具体的代码示例

import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.datetime.standard.DateTimeFormatterRegistrar;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.time.format.DateTimeFormatter;

@Configuration
public class DateTimeConfig implements WebMvcConfigurer {

    private static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";

    @Override
    public void addFormatters(FormatterRegistry registry) {
        DateTimeFormatterRegistrar registrar = new DateTimeFormatterRegistrar();
        registrar.setDateFormatter(DateTimeFormatter.ofPattern(DATE_TIME_FORMAT));
        registrar.setTimeFormatter(DateTimeFormatter.ofPattern(DATE_TIME_FORMAT));
        registrar.setDateTimeFormatter(DateTimeFormatter.ofPattern(DATE_TIME_FORMAT));
        registrar.registerFormatters(registry);
    }
}

在这个配置类中，我们定义了一个日期时间格式DATE_TIME_FORMAT，并创建了一个DateTimeFormatterRegistrar来注册日期、时间和日期时间的格式化器。这些格式化器将被添加到Spring MVC的FormatterRegistry中，从而使得整个应用程序都可以使用这个格式来解析和格式化日期时间字符串。

现在，任何使用@DateTimeFormat注解的字段都将默认使用这个格式，除非你特别指定了其他的格式。例如:

import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.format.annotation.DateTimeFormat;

import java.time.LocalDateTime;

public class TestController {

    @PutMapping("deleteByTime")
    public void testMethod(@RequestParam(value = "date")@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") Date date){
    //具体业务逻辑....
    }
}