Strutsグローバル例外処理---ブロッキング+リスナー構成
5356 ワード
1、構成 <!-- -->
<interceptors>
<interceptor name="showException"
class="com.yihaodian.pis.interceptor.ShowExceptionIterceptor">
</interceptor>
<!-- -->
<interceptor-stack name="mydefault">
<interceptor-ref name="defaultStack" />
<interceptor-ref name="showException" />
</interceptor-stack>
</interceptors>
<default-interceptor-ref name="mydefault" />
<!-- -->
<global-results>
<!-- login ， /login.jsp -->
<result name="login" type="freemarker">
/WEB-INF/templates/admin/login.ftl
</result>
<result name="noSecurity" type="freemarker">
/WEB-INF/templates/noSecurity.ftl
</result>
<result name="error" type="dispatcher">
error.jsp
</result>
</global-results>
<global-exception-mappings>
<exception-mapping result="error" name="error"
exception="com.yihaodian.pis.util.ShowException"></exception-mapping>
</global-exception-mappings>
2、カスタム例外: package com.yihaodian.pis.util;
public class ShowException extends Exception{
private static final long serialVersionUID = 0xc1a865c45ffdc5f9L;
public ShowException(String frdMessage)
{
super(createFriendlyErrMsg(frdMessage));
}
public ShowException(Throwable throwable)
{
super(throwable);
}
public ShowException(Throwable throwable, String frdMessage)
{
super(throwable);
}
private static String createFriendlyErrMsg(String msgBody) {
String prefixStr = " ，";
String suffixStr = " ！";
StringBuffer friendlyErrMsg = new StringBuffer("");
friendlyErrMsg.append(prefixStr);
friendlyErrMsg.append(msgBody);
friendlyErrMsg.append(suffixStr);
return friendlyErrMsg.toString();
}
}
3、遮断器
public class ShowExceptionIterceptor extends AbstractInterceptor{
/*
* (non-Javadoc)
*
* @see
* com.opensymphony.xwork2.interceptor.AbstractInterceptor#intercept(com
* .opensymphony.xwork2.ActionInvocation)
*/
@Override
public String intercept(ActionInvocation invocation) throws Exception {
String result=null;
ActionSupport actionSupport= (ActionSupport) invocation.getAction();
try {
invocation.addPreResultListener(new MyListener());
System.out.println(" ");
result=invocation.invoke();
System.out.println(" ");
}catch(Exception e){
System.out.println(" "+e.getMessage());
actionSupport.addActionError(e.getMessage());
return Action.ERROR;
}
return result;
}
}
4、ページ表示 <%@ page contentType="text/html;charset=UTF-8" language="java"%>
<%@ include file="../../webpage/include/mytaglib.jsp"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>1 </title>
</head>
<body>
<h2> </h2>
<s:if test="hasActionErrors()">
<div>
<span>
<s:iterator value="actionErrors"><s:property/></s:iterator>
</span>
</div>
</s:if>
</body>
</html>
5、リスナー（有無可） package com.yihaodian.pis.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.PreResultListener;
public class MyListener implements PreResultListener{
public void beforeResult(ActionInvocation invocation, String resultCode) {
System.out.println(" ："+resultCode);
}
}
わからないことがあれば、QQ 526151410に連絡して解決することができます...
<!-- -->
<interceptors>
<interceptor name="showException"
class="com.yihaodian.pis.interceptor.ShowExceptionIterceptor">
</interceptor>
<!-- -->
<interceptor-stack name="mydefault">
<interceptor-ref name="defaultStack" />
<interceptor-ref name="showException" />
</interceptor-stack>
</interceptors>
<default-interceptor-ref name="mydefault" />
<!-- -->
<global-results>
<!-- login ， /login.jsp -->
<result name="login" type="freemarker">
/WEB-INF/templates/admin/login.ftl
</result>
<result name="noSecurity" type="freemarker">
/WEB-INF/templates/noSecurity.ftl
</result>
<result name="error" type="dispatcher">
error.jsp
</result>
</global-results>
<global-exception-mappings>
<exception-mapping result="error" name="error"
exception="com.yihaodian.pis.util.ShowException"></exception-mapping>
</global-exception-mappings>
package com.yihaodian.pis.util;
public class ShowException extends Exception{
private static final long serialVersionUID = 0xc1a865c45ffdc5f9L;
public ShowException(String frdMessage)
{
super(createFriendlyErrMsg(frdMessage));
}
public ShowException(Throwable throwable)
{
super(throwable);
}
public ShowException(Throwable throwable, String frdMessage)
{
super(throwable);
}
private static String createFriendlyErrMsg(String msgBody) {
String prefixStr = " ，";
String suffixStr = " ！";
StringBuffer friendlyErrMsg = new StringBuffer("");
friendlyErrMsg.append(prefixStr);
friendlyErrMsg.append(msgBody);
friendlyErrMsg.append(suffixStr);
return friendlyErrMsg.toString();
}
}3、遮断器
public class ShowExceptionIterceptor extends AbstractInterceptor{
/*
* (non-Javadoc)
*
* @see
* com.opensymphony.xwork2.interceptor.AbstractInterceptor#intercept(com
* .opensymphony.xwork2.ActionInvocation)
*/
@Override
public String intercept(ActionInvocation invocation) throws Exception {
String result=null;
ActionSupport actionSupport= (ActionSupport) invocation.getAction();
try {
invocation.addPreResultListener(new MyListener());
System.out.println(" ");
result=invocation.invoke();
System.out.println(" ");
}catch(Exception e){
System.out.println(" "+e.getMessage());
actionSupport.addActionError(e.getMessage());
return Action.ERROR;
}
return result;
}
}
4、ページ表示 <%@ page contentType="text/html;charset=UTF-8" language="java"%>
<%@ include file="../../webpage/include/mytaglib.jsp"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>1 </title>
</head>
<body>
<h2> </h2>
<s:if test="hasActionErrors()">
<div>
<span>
<s:iterator value="actionErrors"><s:property/></s:iterator>
</span>
</div>
</s:if>
</body>
</html>
5、リスナー（有無可） package com.yihaodian.pis.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.PreResultListener;
public class MyListener implements PreResultListener{
public void beforeResult(ActionInvocation invocation, String resultCode) {
System.out.println(" ："+resultCode);
}
}
わからないことがあれば、QQ 526151410に連絡して解決することができます...
public class ShowExceptionIterceptor extends AbstractInterceptor{
/*
* (non-Javadoc)
*
* @see
* com.opensymphony.xwork2.interceptor.AbstractInterceptor#intercept(com
* .opensymphony.xwork2.ActionInvocation)
*/
@Override
public String intercept(ActionInvocation invocation) throws Exception {
String result=null;
ActionSupport actionSupport= (ActionSupport) invocation.getAction();
try {
invocation.addPreResultListener(new MyListener());
System.out.println(" ");
result=invocation.invoke();
System.out.println(" ");
}catch(Exception e){
System.out.println(" "+e.getMessage());
actionSupport.addActionError(e.getMessage());
return Action.ERROR;
}
return result;
}
}<%@ page contentType="text/html;charset=UTF-8" language="java"%>
<%@ include file="../../webpage/include/mytaglib.jsp"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>1 </title>
</head>
<body>
<h2> </h2>
<s:if test="hasActionErrors()">
<div>
<span>
<s:iterator value="actionErrors"><s:property/></s:iterator>
</span>
</div>
</s:if>
</body>
</html>5、リスナー（有無可） package com.yihaodian.pis.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.PreResultListener;
public class MyListener implements PreResultListener{
public void beforeResult(ActionInvocation invocation, String resultCode) {
System.out.println(" ："+resultCode);
}
}
わからないことがあれば、QQ 526151410に連絡して解決することができます...
package com.yihaodian.pis.interceptor;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.PreResultListener;
public class MyListener implements PreResultListener{
public void beforeResult(ActionInvocation invocation, String resultCode) {
System.out.println(" ："+resultCode);
}
}