1、场景:springmvc+spring 实现功能

2、Log:

java.text.ParseException: Unparseable date: "Sun Jan 28 13:30:13 CST 2018"
java.text.DateFormat.parse(Unknown Source)
com.User.Controller.UserController.getnewDate(UserController.java:219)
com.User.Controller.UserController.addUserSave(UserController.java:182)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

Exception in thread "main" java.text.ParseException: Unparseable date: "Sun Jan 28 13:38:50 CST 2018"
at java.text.DateFormat.parse(Unknown Source)
at test01.test6.getnewDate(test6.java:59)
at test01.test6.main(test6.java:27)


解决:

1、这是因为:前台绑定了user这个实体类,但是输入框对应的属性为Birthday(Date类型数据),输入框传进来的将是String类型数据,故而无法转化到Date;

2、在实体类的birthday属性上添加:@DateTimeFormat(pattern="yyyy-MM-dd"),直接把从JSP页面的数据,格式化为pattern类型的数据。