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社区首页 >问答首页 >随着应用程序的增长，Struts 2验证不能正常工作。

问随着应用程序的增长，Struts 2验证不能正常工作。
EN

Stack Overflow用户
提问于 2013-08-13 10:02:39
回答 1查看 1.5K关注 0票数 1

在构建复杂的web应用程序时，有没有其他的验证框架？或任何验证指南。指向示例的链接并不是必需的，因为它处理的是简单的表单，而不是具有多个链接的复杂形式。

这是我的动作课

代码语言：javascript
复制
package com.tpc.action;

 import java.util.ArrayList;
 import java.util.List;

 import com.opensymphony.xwork2.ActionSupport;
 import com.tpc.domain.LeadFacultyModel;
 import com.tpc.service.LeadFacultyServiceInterface;

  public class LeadFacultyAction extends ActionSupport {


private static final long serialVersionUID = 1L;


private LeadFacultyModel leadFacultyModel;

private String lead_faculty_formAction;

// Injecting leadFacultyServiceImpl bean 
LeadFacultyServiceInterface leadFacultyServiceImpl;


//variable to store the action message to pass to other pages through get request
private String action_msg = null;

private List<LeadFacultyModel> leadFacultyModelList = new ArrayList<LeadFacultyModel>();


public String execute() throws Exception {
    return SUCCESS;
}


public String formAction() throws Exception
{
    if(lead_faculty_formAction.equals("Save"))
    {
        System.out.println("Inside Update");
        return this.updateLeadFaculty();
    }
    else if(lead_faculty_formAction.equals("Submit"))
    {
        System.out.println("Inside Save");
        return this.saveLeadFaculty();      
    }
    else if(lead_faculty_formAction.equals("Delete"))
    {
        System.out.println("Inside Delete");
        return this.deleteLeadFaculty();
    }
    else
    {
        return SUCCESS;
    }           

}

public String saveLeadFaculty() throws Exception {

    boolean result =leadFacultyServiceImpl.createLeadFaculty(leadFacultyModel);
    if(result == true)
    {
        addActionMessage(getText("message.save_success"));
        return "SAVE_SUCCESS";
    }
    else {
        addActionError(getText("message.save_error"));
        return  "SAVE_ERROR";
    }

}

public String viewAllLeadFaculty(){
    // TODO Auto-generated method stub
    System.out.println("view all method is called");
    try{
        leadFacultyModelList = leadFacultyServiceImpl.getAllLeadFaculty();
        System.out.println("Action page "+leadFacultyModelList.size());
        return SUCCESS;
    }catch(Exception ex){
        ex.printStackTrace();
        return ERROR;
    }


}



//Section of getter/setter methods in this class

public void setLeadFacultyModel(LeadFacultyModel leadFacultyModel) {
    this.leadFacultyModel = leadFacultyModel;
}

public LeadFacultyModel getLeadFacultyModel() {
    return leadFacultyModel;
}

public String getLead_faculty_formAction() {
    return lead_faculty_formAction;
}
public void setLead_faculty_formAction(String lead_faculty_formAction) {
    this.lead_faculty_formAction = lead_faculty_formAction;
}

public void setLeadFacultyServiceImpl(
        LeadFacultyServiceInterface leadFacultyServiceImpl) {
    this.leadFacultyServiceImpl = leadFacultyServiceImpl;
}

public void setAction_msg(String action_msg) {
    this.action_msg = action_msg;
}

public List<LeadFacultyModel> getLeadFacultyModelList() {
    return leadFacultyModelList;
}

public void setLeadFacultyModelList(List<LeadFacultyModel> leadFacultyModelList) {
    this.leadFacultyModelList = leadFacultyModelList;
}

public String getAction_msg() {
    return action_msg;
}   
}

这是LeadFacultyAction-validation.xml：

代码语言：javascript
复制
<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.3//EN"
    "http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">



<validators>
    <field name="leadFacultyModel.lead_string_FacultyName">
    <field-validator type="requiredstring">
     <message>Name is required.</message>
    </field-validator>
    </field>
  </validators>

这是struts.xml文件：

代码语言：javascript
复制
<?xml version="1.0" encoding="UTF-8"?>

​

代码语言：javascript
复制
<package name="default" extends="struts-default">

<!-- /** defining result types for implementing tiles **/ -->
    <result-types>
        <result-type name="tiles"
            class="org.apache.struts2.views.tiles.TilesResult" />
    </result-types>
    <global-results>
        <result name="error">/404_error.jsp</result>
    </global-results>
    <action name="">
        <result></result>
    </action>
    <action name="baseTemplate" >
        <result type="tiles">baseTemplate</result>
    </action>


    <action name="setup_lead_faculty">
        <result type="tiles">setup_lead_faculty</result>
    </action>

    <action name="setup_LeadFacultyAction" class="com.tpc.action.LeadFacultyAction" method="formAction">
        <result name="SAVE_SUCCESS" type="tiles">setup_lead_faculty</result>
        <result name="UPDATE_SUCCESS" type="tiles">setup_lead_faculty</result>
        <result name="DELETE_SUCCESS" type="tiles">setup_lead_faculty</result>
        <result name="SAVE_ERROR" type="tiles">setup_lead_faculty</result>
        <result name="UPDATE_ERROR" type="tiles">setup_lead_faculty</result>
        <result name="DELETE_ERROR" type="tiles">setup_lead_faculty</result>
        <result name="input" type="tiles">setup_lead_faculty</result>
    </action>

    <action name="setup_LeadFaculty_list_view_Action" class="com.tpc.action.LeadFacultyAction" method="viewAllLeadFaculty">
        <result type="tiles" name="success">setup_lead_faculty_list_view</result>
    </action>

    <action name="setup_LeadFacultyAction_selected_from_list" class="com.tpc.action.LeadFacultyAction" method="getByIdLeadFaculty">
        <result type="tiles" name="success">setup_lead_faculty</result>
    </action>

</package>

​

这是我的JSP文件：

代码语言：javascript
复制
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
 <c:set value="/lms/" var="baseUrl" />
<s:form method="post" action="setup_LeadFacultyAction">
<div class="buttontab">
    <input type="submit" name="lead_faculty_formAction" value="Save"
        class="form_button" /> &nbsp;&nbsp;&nbsp; <input type="submit"
        name="lead_faculty_formAction" value="Submit" class="form_button" />
    &nbsp;&nbsp;&nbsp; <input type="submit" name="lead_faculty_formAction"
        value="Delete" class="form_button" /> &nbsp;&nbsp;&nbsp; <input
        type="submit" name="lead_faculty_formAction" value="Reset"     disabled="disabled"
        class="form_button" /> &nbsp;&nbsp;&nbsp; <span class="span"
        style="float: right;"> <i><a   href="${baseUrl}lead/setup_LeadFaculty_list_view_Action"> <img
            src="${baseUrl}icons/gridview.png" width="12px" height="12px" /></a> </i> </span>&nbsp;&nbsp;&nbsp;
    <span class="span" style="float: right;"> <i><img
            src="${baseUrl}icons/formview.png" width="12px" height="12px" /> </i> </span>&nbsp;&nbsp;&nbsp;
    <span class="span" style="float: right;"> <i><img
            src="${baseUrl}icons/tileview.png" width="12px" height="12px" /> </i> </span>&nbsp;&nbsp;&nbsp;
</div>
<div id="content_wrap">
    <div class="unidiv1">

        <s:if test="hasActionErrors()">
            <div class="errors">
                <s:actionerror/>
            </div>
        </s:if>
        <s:if test="hasActionMessages()">
            <div>
                <p><s:actionmessage/></p>
            </div>      
        </s:if>
        <s:if test="hasFieldErrors()">
            <div>
                <p><s:fielderror/></p>
            </div>      
        </s:if>

        <div class="field_wrapper">
            <div class="left_box">
                <label>ID</label>
            </div>
            <div class="right_box">
                <input type="text" name="leadFacultyModel.lead_string_FacultyId" value="${leadFacultyModel.lead_string_FacultyId}"
                    class="input_id" />
            </div>
        </div>
        <div class="field_wrapper">
            <div class="left_box">
                <label>Faculy</label>
            </div>
            <div class="right_box">
                <input type="text" name="leadFacultyModel.lead_string_FacultyName" value="${leadFacultyModel.lead_string_FacultyName }" />
            </div>

        </div>
        <div class="field_wrapper">
            <div class="left_box">
                <label>Remarks</label>
            </div>
            <div class="right_box">
                <textarea name="leadFacultyModel.lead_string_FacultyRemarks"
                    class="textarea_address">${leadFacultyModel.lead_string_FacultyRemarks}</textarea>
            </div>
        </div>


    </div>
</div>

​

struts
java
validation
struts2
annotations
EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2013-08-14 12:17:45

区别在于Struts在拦截操作时发现了验证注释，它通过应用注释公开的验证规则来处理这些注释来执行验证。在解析-validation.xml时也是如此。可以同时使用基于xml的验证方法和基于注释的验证方法，也可以同时使用自定义验证方法(不包括自定义验证器)。

例如，如果我有一个phone字段，并且我想验证它不是空的，并且包含一个预定义的格式，我将只在它上添加两个注释。

代码语言：javascript
复制
  private String phone;

  public String getPhone() {
    return phone;
  }

  @RequiredStringValidator(type= ValidatorType.FIELD, message="Phone required.")
  @RegexFieldValidator(type= ValidatorType.FIELD, message="Invalid Phone",
    regexExpression="\\([0-9][0-9][0-9]\\)\\s[0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]")
  public void setPhone(String phone) {
    this.phone = phone;
  }

然后我有一个不想验证的execute操作

代码语言：javascript
复制
  @SkipValidation
  public String execute() throws Exception {

然后，我有另一个操作save，我想验证questions，但不想验证phone。

代码语言：javascript
复制
  private String myQuestionq1;
  private String myQuestionq2;

  public String getMyQuestionq1() {
    return myQuestionq1;
  }

  public void setMyQuestionq1(String myQuestionq1) {
    this.myQuestionq1 = myQuestionq1;
  }

  public String getMyQuestionq2() {
    return myQuestionq2;
  }

  public void setMyQuestionq2(String myQuestionq2) {
    this.myQuestionq2 = myQuestionq2;
  }

  @Action(value="save", results = {
    @Result(name="input", location = "/default.jsp"),
    @Result(name="back", type="redirect", location = "/")

  },interceptorRefs = @InterceptorRef(value="defaultStack", params = {"validation.validateAnnotatedMethodOnly", "true"}))
  @Validations(requiredFields = {
      @RequiredFieldValidator(type = ValidatorType.FIELD, fieldName = "myQuestionq1", message = "You must enter a value for field myQuestionq1."),
      @RequiredFieldValidator(type = ValidatorType.FIELD, fieldName = "myQuestionq2", message = "You must enter a value for field myQuestionq2.")
  })
  public String save() throws SQLException {

这将只对此操作执行验证器。

更多你可以在Apache网站上找到的例子：使用注释示例进行验证。

票数 1
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/18206156

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