Spring MVC与表单日期提交的问题

spring mvc 本身并不提供日期类型的解析器,需要手工绑定, 否则会出现非法参数异常.

 org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [java.util.Date]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException

解决方法很简单,只需要在controller 里面注册一个类型解析器:

    @InitBinder

    public void InitBinder(HttpServletRequest request,

            ServletRequestDataBinder binder) {

        // 不要删除下行注释!!! 将来"yyyy-MM-dd"将配置到properties文件中

        // SimpleDateFormat dateFormat = new

        // SimpleDateFormat(getText("date.format", request.getLocale()));

        SimpleDateFormat dateFormat = new SimpleDateFormat(

                "yyyy-MM-dd HH:mm:ss");

        dateFormat.setLenient(false);

        binder.registerCustomEditor(Date.class, null, new CustomDateEditor(

                dateFormat, true));

    }

这样就ok了,

demo 如下:

controller

@RequestMapping("bakComment")

@Controller

public class BakCommentController {

    Logger logger = Logger.getLogger(getClass());

    @Resource

    private CommentService commentService;

    //@InitBinder

    public void InitBinder(HttpServletRequest request,

            ServletRequestDataBinder binder) {

        // 不要删除下行注释!!! 将来"yyyy-MM-dd"将配置到properties文件中

        // SimpleDateFormat dateFormat = new

        // SimpleDateFormat(getText("date.format", request.getLocale()));

        SimpleDateFormat dateFormat = new SimpleDateFormat(

                "yyyy-MM-dd HH:mm:ss");

        dateFormat.setLenient(false);

        binder.registerCustomEditor(Date.class, null, new CustomDateEditor(

                dateFormat, true));

    }

    @RequestMapping("verifyComment")

    public void verifyComment(@ModelAttribute("comment") TSdComment comment,

            HttpServletRequest request, HttpServletResponse response)

            throws IOException {

        logger.info(comment);

        String str = "success";

        response.setCharacterEncoding("utf-8");

        response.getWriter().print(str);

    }

}

html:

<form:form modelAttribute="comment" class="form" method="post">

        <fieldset>

            <legend> 账单信息 </legend>

            <table class="table" style="width: 100%;">

                <tr>

                    <th>ID</th>

                    <td><input name="commentId" value="<%=uid%>"

                        readonly="readonly" /></td>

                    <th>用户ID</th>

                    <td><input name="restaurantId" class="easyui-validatebox"

                        data-options="required:true" readonly="readonly" /></td>

                </tr>

                <tr>

                    <th>商家名称</th>

                    <td><input name="restaurantName" readonly="readonly" /></td>

                    <th>创建时间</th>

                    <td><input name="createTime" readonly="readonly" /></td>

                </tr>

                <tr>

                    <th>消费金额</th>

                    <td><input name="commentSpending" /></td>

                    <th>抵金卷面额</th>

                    <td><input name="voucherDenomination" /></td>

                </tr>

                <tr>

                    <th>审核状态</th>

                    <td><select>

                            <option value="2">待检测</option>

                            <option value="3">已检查(通过)</option>

                            <option value="4">已检查(不通过)</option>

                    </select></td>

                    <th>原因</th>

                    <td><input name="commentRemark" /></td>

                </tr>

                <tr>

                    <th>账单</th>

                    <td colspan="3"><div style="width: 600px" id="commentPic"></div>

                    </td>

                </tr>

            </table>

        </fieldset>

    </form:form>

控制台如下:

 2014-05-23 13:32:09,514 [http-bio-8080-exec-1] INFO  [com.sd.microMsg.controller.BakCommentController] - TSdComment [commentId=11, userId=null, restaurantId=1, voucherId=null, restaurantName=笑嘻嘻, commentMlb=null, commentContext=null, commentPersonNo=null, voucherDenomination=30.0, commentSpending=300.0, commentPictureId=null, commentPraiseCount=null, commentNegativeCount=null, commentSelectCount=null, commentSubCommentCount=null, commentReContext=null, commentRemark=mohu, commentCheckedStatus=null, commentBusinessStatus=null, createType=null, createTime=Sat May 17 19:05:52 GMT+08:00 2014, lastActiveTime=null, checkedTime=null, commentTempConsumptionTopNum=null, commentTempPerCapitaConsumptionTopNum=null, commentType=null, commentMlzs=null, commentPlusMlzs=null, commentMark=null, commentSubMark=null, version=null, dtype=null]

不绑定解析器异常堆栈如下:

  org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [java.util.Date]: Constructor threw exception; nested exception is java.lang.IllegalArgumentException

     at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:)

     at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:)

     at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:)

     at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:)

     at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:)

     at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:)

     at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:)

     at org.springframework.validation.DataBinder.applyPropertyValues(DataBinder.java:)

     at org.springframework.validation.DataBinder.doBind(DataBinder.java:)

     at org.springframework.web.bind.WebDataBinder.doBind(WebDataBinder.java:)

     at org.springframework.web.bind.ServletRequestDataBinder.bind(ServletRequestDataBinder.java:)

     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.doBind(AnnotationMethodHandlerAdapter.java:)

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doBind(HandlerMethodInvoker.java:)

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArguments(HandlerMethodInvoker.java:)

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:)

     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:)

     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:)

     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:)

     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:)

     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:)

     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:)

     at javax.servlet.http.HttpServlet.service(HttpServlet.java:)

     at javax.servlet.http.HttpServlet.service(HttpServlet.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:)

     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:)

     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:)

     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:)

     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:)

     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:)

     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:)

     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:)

     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:)

     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:)

     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:)

     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:)

     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:)

     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:)

     at java.lang.Thread.run(Thread.java:)

 Caused by: java.lang.IllegalArgumentException

     at java.util.Date.parse(Date.java:)

     at java.util.Date.<init>(Date.java:)

     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:)

     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:)

     at java.lang.reflect.Constructor.newInstance(Constructor.java:)

     at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:)

     ...  more

 -- ::, [http-bio--exec-] DEBUG [org.springframework.beans.factory.support.DefaultListableBeanFactory] - Returning cached instance of singleton bean 'sqlSessionFactory'

  五月 ,  :: 下午 org.apache.catalina.core.StandardWrapperValve invoke

 严重: Servlet.service() for servlet [springMvc] in context with path [/prot] threw exception [Request processing failed; nested exception is org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult:  errors

 Field error in object 'comment' on field 'createTime': rejected value [-- ::]; codes [typeMismatch.comment.createTime,typeMismatch.createTime,typeMismatch.java.util.Date,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [comment.createTime,createTime]; arguments []; default message [createTime]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.util.Date' for property 'createTime'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.lang.String] to required type [java.util.Date] for property 'createTime': no matching editors or conversion strategy found]] with root cause

 org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult:  errors

 Field error in object 'comment' on field 'createTime': rejected value [-- ::]; codes [typeMismatch.comment.createTime,typeMismatch.createTime,typeMismatch.java.util.Date,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [comment.createTime,createTime]; arguments []; default message [createTime]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.util.Date' for property 'createTime'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.lang.String] to required type [java.util.Date] for property 'createTime': no matching editors or conversion strategy found]

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doBind(HandlerMethodInvoker.java:)

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArguments(HandlerMethodInvoker.java:)

     at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:)

     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:)

     at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:)

     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:)

     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:)

     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:)

     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:)

     at javax.servlet.http.HttpServlet.service(HttpServlet.java:)

     at javax.servlet.http.HttpServlet.service(HttpServlet.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:)

     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:)

     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:)

     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:)

     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:)

     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:)

     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:)

     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:)

     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:)

     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:)

     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:)

     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:)

     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:)

     at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:)

     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:)

     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:)

     at java.lang.Thread.run(Thread.java:)

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