structs2輸入校驗實例代碼

    structs輸入校驗實例代碼如下

    webxml

    <?xml version= encoding=UTF?>

    <webapp version=

    xmlns=/xml/ns/javaee

    xmlns:xsi=//XMLSchemainstance

    xsi:schemaLocation=/xml/ns/javaee

    /xml/ns/javaee/webapp__xsd>

    <filter>

    <filtername>struts</filtername>

    <filterclass>orgapachestrutsdispatcherFilterDispatcher</filterclass>

    </filter>

    <filtermapping>

    <filtername>struts</filtername>

    <urlpattern>/*</urlpattern>

    </filtermapping>

    </webapp>

    strutsxml

    <?xml version= encoding=GBK ?>

    <!DOCTYPE struts PUBLIC

    //Apache Software Foundation//DTD Struts Configuration //EN

    /dtds/strutsdtd>

    <struts>

    <package name=struts extends=strutsdefault>

    <action name=Login class=HelloWorldLoginAction>

    <result name=input>/helloworld/indexjsp</result>

    <result name=success>/helloworld/welcomejsp</result>

    <result name=error>/helloworld/errorjsp</result>

    </action>

    </package>

    </struts>

    LoginAction

    package HelloWorld;

    import comopensymphonyxworkAction;

    import comopensymphonyxworkActionContext;

    import comopensymphonyxworkActionSupport;

    public class LoginAction extends ActionSupport…{

    private String username;

    private String password;

    private String[] books;

    public String[] getBooks（） …{

    return books;

    }

    public void setBooks（String[] books） …{

    thisbooks = books;

    }

    public String execute（） throws Exception…{

    if（thisgetUsername（）equals（admin）&&thisgetPassword（）equals（））…{

    ActionContextgetContext（）getSession（）put（user thisgetUsername（））

    BookService bs=new BookService（）

    thissetBooks（bsgetBooks（））

    return SUCCESS;

    }else…{

    return ERROR;

    }

    }

    public String getUsername（） …{

    return username;

    }

    public void setUsername（String username） …{

    thisusername = username;

    }

    public String getPassword（） …{

    return password;

    }

    public void setPassword（String password） …{

    thispassword = password;

    }

    }

    BookServicejava

    package HelloWorld;

    public class BookService …{

    private String[] books=new String[]…{

    Spring

    Hibernate

    Struts

    };

    public String[] getBooks（）…{

    return books;

    }

    }

    LoginActionvalidationxml

    <?xml version= encoding=GBK?>

    <!DOCTYPE validators PUBLIC //OpenSymphony Group//XWork Validator //EN

    /xwork/xworkvalidatordtd>

    <validators>

    <field name=username>

    <fieldvalidator type=requiredstring>

    <message key=userrequired/>

    </fieldvalidator>

    </field>

    <field name=password>

    <fieldvalidator type=requiredstring>

    <message key=passrequired/>

    </fieldvalidator>

    </field>

    </validators> loginjsp

    <%…@ page language=java contentType=text/html; charset=gb

    pageEncoding=gb%>

    <%…@ taglib prefix=s uri=/strutstags %>

    <html>

    <head>

    <title></title>

    </head>

    <body>

    <s:form action=Login>

    <s:textfield name=username key=username></s:textfield>

    <s:password name=password key=password></s:password>

    <s:submit value=login></s:submit>

    </s:form>

    </body>

    </html>

    welcomejsp

    <%…@ page language=java contentType=text/html; charset=gb

    pageEncoding=gb%>

    <%…@ page isELIgnored=false %>

    <%…@ taglib prefix=s uri=/strutstags %>

    <%…@ taglib prefix=c uri=/jsp/jstl/core %>

    <html>

    <head>

    <title></title>

    </head>

    <body>

    歡迎${sessionScopeuser}登陸

    <c:out value=${requestScopenow}></c:out>

    <br>

    <table border=>

    <s:iterator value=books status=index>

    <s:if test=#indexodd==true>

    <tr style=backgroundcolor=#cccccc>

    </s:if>

    <s:else>

    <tr>

    </s:else>

    <td>書名</td>

    <td><s:property/></td>

    </tr>

    </s:iterator>

    </table>

    </body>

    </html>

    errorjsp

    <%…@ page language=java contentType=text/html; charset=gb

    pageEncoding=gb%>

    <html>

    <head>

    <title></title>

    </head>

    <body>

    登陸失敗

    </body>

    </html>

From:http://tw.wingwit.com/Article/program/Java/ky/201311/28814.html