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Struts2中转换Date类型的问题
项目使用 strut2 ，spring，hibernate，提交表单时报错
java.lang.NoSuchMethodException: com.shop.jn.entity.Goods.setBuyDateTime([Ljava.lang.String;)]
异常详细信息：
11:23:30,113 WARN - Error setting expression ‘goods.buyDateTime‘ with value ‘[Ljava.lang.String;@109558d‘ ognl.MethodFailedException: Method "setBuyDateTime" failed for object Goods [id=0, name=null, description=null] [java.lang.NoSuchMethodException: com.shop.jn.entity.Goods.setBuyDateTime([Ljava.lang.String;)] at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1289) at ognl.OgnlRuntime.setMethodValue(OgnlRuntime.java:1478) at ognl.ObjectPropertyAccessor.setPossibleProperty(ObjectPropertyAccessor.java:85) at ognl.ObjectPropertyAccessor.setProperty(ObjectPropertyAccessor.java:162) at com.opensymphony.xwork2.ognl.accessor.ObjectAccessor.setProperty(ObjectAccessor.java:27) at ognl.OgnlRuntime.setProperty(OgnlRuntime.java:2315) at ognl.ASTProperty.setValueBody(ASTProperty.java:127) at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220) at ognl.SimpleNode.setValue(SimpleNode.java:301) at ognl.ASTChain.setValueBody(ASTChain.java:227) at ognl.SimpleNode.evaluateSetValueBody(SimpleNode.java:220) at ognl.SimpleNode.setValue(SimpleNode.java:301) at ognl.Ognl.setValue(Ognl.java:737) at com.opensymphony.xwork2.ognl.OgnlUtil.setValue(OgnlUtil.java:217) at com.opensymphony.xwork2.ognl.OgnlValueStack.trySetValue(OgnlValueStack.java:186) at com.opensymphony.xwork2.ognl.OgnlValueStack.setValue(OgnlValueStack.java:173) at com.opensymphony.xwork2.ognl.OgnlValueStack.setParameter(OgnlValueStack.java:151) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.setParameters(ParametersInterceptor.java:317) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:228) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171) at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:192) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:511) at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.lang.NoSuchMethodException: com.shop.jn.entity.Goods.setBuyDateTime([Ljava.lang.String;) at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1230) ... 68 more /-- Encapsulated exception ------------java.lang.NoSuchMethodException: com.shop.jn.entity.Goods.setBuyDateTime([Ljava.lang.String;)
JSP页面部分代码（表单中）如下 ：
<s:hidden name="goods.buyDateTime"></s:hidden>
goods对应的实体类(部分getter,setter方法已省略)：
package com.shop.jn.entity;
import java.io.Serializable;
import java.util.Date;
/**
* entity:goods
* @author huangwei
*
*/
public class Goods implements Serializable{
private static final long serialVersionUID = 586940311263079808L;
private int id;
/**
* goods name
*/
private String name;
/**
* alias of goods
*/
private String alias;
/**
* when goods was brought
*/
private Date buyDateTime;
/**
* when this record was modified
*/
private Date latestModDateTime;
/**
* the price of goods
*/
private double price;
/**
* the detail of the goods
*/
private String description;
/**
* the supermarket the goods belong
*/
private Supermarket supermarket;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAlias() {
return alias;
}
public void setAlias(String alias) {
this.alias = alias;
}
public Date getLatestModDateTime() {
return latestModDateTime;
}
public void setLatestModDateTime(Date latestModDateTime) {
this.latestModDateTime = latestModDateTime;
}
public Date getBuyDateTime() {
return buyDateTime;
}
public void setBuyDateTime(Date buyDateTime) {
System.out.println("buyDateTime:"+buyDateTime);
this.buyDateTime=buyDateTime;
}
}实体类中buyDateTime 的类型是java.util.Date
使用IE浏览器有问题，但是使用google浏览器没问题。
IE的locale是en_US，见下图：
原因到底是什么呢?因为在火狐和谷歌浏览器中没问题啊
最后发现是IE浏览器的语言环境是英文
把语言调整为中文就OK 了.
针对这个问题，我们没法要求客户一定设置中文为默认浏览器的语言环境。因而对于Date类型的转换，可以自己定义一个转换器。
package com.common.convert;
import java.sql.Date;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Map;
import ognl.DefaultTypeConverter;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.log4j.Logger;
/***
* 日期转换器.<br>用于struts2
*
* @author huangwei
*
*/
public class DateConverter extends DefaultTypeConverter {
private static final Logger logger = Logger.getLogger(DateConverter.class);
private static final String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
private static final String DATETIME_PATTERN_NO_SECOND = "yyyy-MM-dd HH:mm";
private static final String DATETIME_PATTERN_ZH ="yyyy年MM月dd日 HH点mm分ss秒";
private static final String DATETIME_PATTERN_ZH2 ="yyyy年MM月dd日 HH时mm分ss秒";
private static final String DATE_PATTERN = "yyyy-MM-dd";
private static final String MONTH_PATTERN = "yyyy-MM";
/**
* Convert value between types
*/
@SuppressWarnings("unchecked")
public Object convertValue(Map ognlContext, Object value, Class toType) {
Object result = null;
// java.sql.Date 是java.util.Date 的子类
if (toType == java.util.Date.class) {
try {
result = doConvertToDate(value, toType);
} catch (ParseException e) {
e.printStackTrace();
}
} else if (toType == java.sql.Timestamp.class) {
try {
java.util.Date date=doConvertToDate(value, toType);
result = new Timestamp(date.getTime());
} catch (ParseException e) {
e.printStackTrace();
}
} else if (toType == String.class) {
result = doConvertToString(value);
}
return result;
}
/**
* Convert String to Date
*
* @param value
* @return
* @throws ParseException
*/
private java.util.Date doConvertToDate(Object value,Class toType) throws ParseException {
java.util.Date result = null;
if (value instanceof String) {
result = DateUtils.parseDate((String) value, new String[] {DATETIME_PATTERN,
DATE_PATTERN, MONTH_PATTERN
,DATETIME_PATTERN_NO_SECOND,DATETIME_PATTERN_ZH,DATETIME_PATTERN_ZH2});
// if(toType==java.sql.Timestamp.class){
// result=new java.sql.Timestamp(result.getTime());
// }
// all patterns failed, try a milliseconds constructor
if (result == null && StringUtils.isNotEmpty((String) value)) {
try {
result = new Date(new Long((String) value).longValue());
} catch (Exception e) {
logger.error("Converting from milliseconds to Date fails!");
e.printStackTrace();
}
}
} else if (value instanceof Object[]) {
// let‘s try to convert the first element only
Object[] array = (Object[]) value;
if ((array != null) && (array.length >= 1)) {
value = array[0];
result = doConvertToDate(value,toType);
}
} else if (Date.class.isAssignableFrom(value.getClass())) {
result = (Date) value;
}
return (java.util.Date)result;
}
/**
* Convert Date to String
*
* @param value
* @return
*/
private String doConvertToString(Object value) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(
DATETIME_PATTERN);
String result = (String)value;
if (value instanceof Date) {
result = simpleDateFormat.format(value);
}
return result;
}
}可以将该转换器注册为全局的：在classpath下建立xwork-conversion.properties文件，内容为：java.util.Date=你的类型转换器的完整限定类名
xwork-conversion.properties 内容如下:
java.util.Date=com.common.convert.DateConverter java.sql.Timestamp=com.common.convert.DateConverter
参考:
date java.lang.IllegalArgumentException: argument type mismatch
【转】Struts2中转换Date类型的问题
Struts2中转换Date类型的问题
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