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struts validator验证框架

框架StrutsJavaApacheJavaScript 
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struts validator验证框架

1、配置：
* 加入国际化配置在struts-config.xml文件中，如：
  <message-resources parameter="MessageResources" />
* 提供国际化资源文件
* 引入validator插件在struts-config.xml文件中，如：
  <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
    <set-property
        property="pathnames"
        value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
    </plug-in>
  * 提供validation.xml和validator_rules.xml文件，将此文件拷贝到WEB-INF下

2、validator服务器端验证
* 配置validation.xml文件

3、validator客户端验证(javascript)
) * 配置validation.xml文件
* 在jsp页面中包含< html:javascript>
* 对需要验证的表单定义onsubmit事件,其中事件名称为validate+ActionForm的名称，如：validateLoginForm
LoginAction.java 


package com.bjsxt.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.validator.DynaValidatorForm;

public class LoginAction extends Action {

    public ActionForward execute(
            ActionMapping mapping,
            ActionForm form,
            HttpServletRequest request,
            HttpServletResponse response)
            throws Exception {
		DynaValidatorForm loginForm = (DynaValidatorForm)form;
		String username = (String)loginForm.get("username");
		String password = (String)loginForm.get("password");
		
		return mapping.findForward("success");
	}

}



MessageResources.properties


引用
prompt.username=User Name
prompt.password=User Password

errors.required={0},is required.



MessageResources_zh_CN.properties


引用
prompt.username=\u7528\u6237\u540d\u79f0
prompt.password=\u767b\u5f55\u5bc6\u7801

errors.required={0},\u662f\u5fc5\u987b\u7684.



struts-config.java 

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">
<struts-config>
    <form-beans>
        <form-bean name="loginForm" type="org.apache.struts.validator.DynaValidatorForm">
            <form-property name="username" type="java.lang.String"/>
            <form-property name="password" type="java.lang.String"/>
       </form-bean>
    </form-beans>
	
	<action-mappings>
		<action path="/login1"
				type="com.bjsxt.struts.LoginAction"
				name="loginForm"
				scope="request"
				validate="true"
				input="/login1.jsp"
		>
			<forward name="success" path="/login_success.jsp"/>
		</action>
		
		<action path="/login2"
				type="com.bjsxt.struts.LoginAction"
				name="loginForm"
				scope="request"
				validate="true"
				input="/login2.jsp"
		>
			<forward name="success" path="/login_success.jsp"/>
		</action>
	</action-mappings>
	
    <message-resources parameter="MessageResources" />

  <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
    <set-property
        property="pathnames"
        value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
  </plug-in>
</struts-config>



validation.xml 


<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE form-validation PUBLIC
          "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.1.3//EN"
          "http://jakarta.apache.org/commons/dtds/validator_1_1_3.dtd">

<form-validation>
    <formset>
        <form name="loginForm">
            <field property="username"  depends="required">
                    <arg key="prompt.username"/>
            </field>
            <field property="password" depends="required,mask">
                    <arg key="prompt.password"/>
                    <var>
                        <var-name>mask</var-name>
                        <var-value>^[0-9a-zA-Z]*$</var-value>
                    </var>
            </field>
        </form>
    </formset>
</form-validation>


validator-rules.xml 


<!DOCTYPE form-validation PUBLIC
          "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.1.3//EN"
          "http://jakarta.apache.org/commons/dtds/validator_1_1_3.dtd">
<!--
  $Id: validator-rules.xml 159291 2005-03-28 20:19:29Z niallp $

   This file contains the default Struts Validator pluggable validator
   definitions.  It should be placed somewhere under /WEB-INF and
   referenced in the struts-config.xml under the plug-in element
   for the ValidatorPlugIn.

      <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
        <set-property property="pathnames" value="/WEB-INF/validator-rules.xml,
                                                  /WEB-INF/validation.xml"/>
      </plug-in>

   These are the default error messages associated with
   each validator defined in this file.  They should be
   added to your projects ApplicationResources.properties
   file or you can associate new ones by modifying the
   pluggable validators msg attributes in this file.

   # Struts Validator Error Messages
   errors.required={0} is required.
   errors.minlength={0} can not be less than {1} characters.
   errors.maxlength={0} can not be greater than {1} characters.
   errors.invalid={0} is invalid.

   errors.byte={0} must be a byte.
   errors.short={0} must be a short.
   errors.integer={0} must be an integer.
   errors.long={0} must be a long.
   errors.float={0} must be a float.
   errors.double={0} must be a double.

   errors.date={0} is not a date.
   errors.range={0} is not in the range {1} through {2}.
   errors.creditcard={0} is an invalid credit card number.
   errors.email={0} is an invalid e-mail address.

   Note: Starting in Struts 1.2.0 the default javascript definitions have
         been consolidated to commons-validator. The default can be overridden
         by supplying a <javascript> element with a CDATA section, just as
         in struts 1.1.

-->

<form-validation>

   <global>

      <validator name="required"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateRequired"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
                  msg="errors.required"/>

      <validator name="requiredif"
                 classname="org.apache.struts.validator.FieldChecks"
                 method="validateRequiredIf"
                 methodParams="java.lang.Object,
                               org.apache.commons.validator.ValidatorAction,
                               org.apache.commons.validator.Field,
                               org.apache.struts.action.ActionMessages,
                               org.apache.commons.validator.Validator,
                               javax.servlet.http.HttpServletRequest"
                 msg="errors.required"/>

      <validator name="validwhen"
          msg="errors.required"
                 classname="org.apache.struts.validator.validwhen.ValidWhen"
                 method="validateValidWhen"
                 methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"/>


      <validator name="minlength"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateMinLength"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.minlength"
           jsFunction="org.apache.commons.validator.javascript.validateMinLength"/>


      <validator name="maxlength"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateMaxLength"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.maxlength"
           jsFunction="org.apache.commons.validator.javascript.validateMaxLength"/>



      <validator name="mask"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateMask"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.invalid"/>


      <validator name="byte"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateByte"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.byte"
       jsFunctionName="ByteValidations"/>


      <validator name="short"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateShort"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.short"
       jsFunctionName="ShortValidations"/>


      <validator name="integer"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateInteger"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.integer"
       jsFunctionName="IntegerValidations"/>



      <validator name="long"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateLong"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.long"/>


      <validator name="float"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateFloat"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.float"
       jsFunctionName="FloatValidations"/>

      <validator name="double"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateDouble"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.double"/>


      <validator name="date"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateDate"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.date"
       jsFunctionName="DateValidations"/>


      <validator name="intRange"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateIntRange"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends="integer"
                  msg="errors.range"/>


      <validator name="floatRange"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateFloatRange"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends="float"
                  msg="errors.range"/>

      <validator name="doubleRange"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateDoubleRange"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends="double"
                  msg="errors.range"/>


      <validator name="creditCard"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateCreditCard"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.creditcard"/>


      <validator name="email"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateEmail"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.email"/>

      <validator name="url"
            classname="org.apache.struts.validator.FieldChecks"
               method="validateUrl"
         methodParams="java.lang.Object,
                       org.apache.commons.validator.ValidatorAction,
                       org.apache.commons.validator.Field,
                       org.apache.struts.action.ActionMessages,
                       org.apache.commons.validator.Validator,
                       javax.servlet.http.HttpServletRequest"
              depends=""
                  msg="errors.url"/>

     <!--
       This simply allows struts to include the validateUtilities into a page, it should
       not be used as a validation rule.
     -->
     <validator name="includeJavaScriptUtilities"
            classname=""
               method=""
         methodParams=""
              depends=""
                  msg=""
           jsFunction="org.apache.commons.validator.javascript.validateUtilities"/>

   </global>

</form-validation>



index.jsp 


<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>登录</title>
</head>
<body>
	<a href="login1.jsp">登录(validator框架服务器端验证)</a><br>
	<a href="login2.jsp">登录(validator框架客户端验证)(javascript)</a>
</body>
</html>



login.jsp 


<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
<%@ taglib prefix="html" uri="http://struts.apache.org/tags-html" %>    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>登录(validator框架服务器端验证)</title>
</head>
<body>
<h1>登录(validator框架服务器端验证)</h1>
<hr>
 <html:form action="login1.do">
   username : <html:text property="username"/><html:errors property="username"/><br/>
   password : <html:password property="password"/><html:errors property="password"/><br/>
   <html:submit/>
  </html:form>
</body>
</html>


login2.jsp 


<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
<%@ taglib prefix="html" uri="http://struts.apache.org/tags-html" %>    
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>登录(validator框架客户端验证)</title>
</head>
<body>
<h1>登录(validator框架客户端验证(javascript))</h1>
<hr>
<html:javascript formName="loginForm"/>
 <html:form action="login2.do" onsubmit="return validateLoginForm(this)">
  	  username : <html:text property="username"/><br/>
 	  password : <html:password property="password"/><br>
   <html:submit/>
  </html:form>
</body>
</html>


login_success.jsp 

<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>登录成功</title>
</head>
<body>
登录成功
</body>
</html>
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