0

メタ検索エンジン用のコードを struts 1.2 にデプロイしようとしています。コード マッピングは問題ありませんが、ブラウザでインデックス ページがレンダリングされず、代わりにコードがタイトル バーに表示されます。jspページはこちら

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri ="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri ="/WEB-INF/struts-bean.tld" prefix="bean" %>
<html:html>
<head>
<title>Meta Search Engine</tile>
    <html:base/>

    <head> Search Engine </head>
            <script language="javascript">
function validateCheckBoxes(){
        var yahooCheck = document.getElementsByName ('yahooCheck');
        var altavistaCheck = document.getElementsByName ('altavistaCheck');
        var microsoftCheck = document.getElementsByName ('microsoftCheck');
        var lycosCheck = document.getElementsByName ('lycosCheck');
        var askCheck = document.getElementsByName ('askCheck');

        var i = 0;
        if (yahooCheck[0].checked){
            i=i+1;
        }
        if (altavistaCheck[0].checked){
            i=i+1;
        }
        if (microsoftCheck[0].checked){
            i=i+1;
        }
        if (lycosCheck[0].checked){
            i=i+1;
        }
        if (askCheck[0].checked){
            i=i+1;
        }

        if(i>2){
            if (!yahooCheck[0].checked){
                yahooCheck[0].disabled = true;
            }
            if (!altavistaCheck[0].checked){
                altavistaCheck[0].disabled = true;
            }
            if (!microsoftCheck[0].checked){
                microsoftCheck[0].disabled = true;
            }
            if (!lycosCheck[0].checked){
                lycosCheck[0].disabled = true;
            }
            if (!askCheck[0].checked){
                askCheck[0].disabled = true;
            }   
        }

        if(i<3){
            if (yahooCheck[0].disabled){
                yahooCheck[0].disabled = false;
            }
            if (altavistaCheck[0].disabled){
                altavistaCheck[0].disabled = false;
            }
            if (microsoftCheck[0].disabled){
                microsoftCheck[0].disabled = false;
            }
            if (lycosCheck[0].disabled){
                lycosCheck[0].disabled = false;
            }
            if (askCheck[0].disabled){
                askCheck[0].disabled = false;
            }   
        }
        document.getElementById('checkValue').value = i;
        return true;
    }

    function checkEverything(){
        if (document.getElementById('checkValue').value < 3){
            alert('Please Select 3 Search Engines');
            return false;
        }
        if((!document.getElementsByName('aggregationType')[0].checked)&&(!document.getElementsByName('aggregationType')[1].checked)){
            alert('Please Select the type of Aggregation');
            return false;
        }
        if(document.getElementsByName('searchString')[0].value == ""){
            alert('Please Enter a query to search for');
            return false;
        }
        return true;
    }
    </script>
<body>
<html:img page="/images/search-engine-share.gif"/>
<BR>
<html:form action="/submitSearchForm">
<center>
<input id="checkValue" type="hidden" />
<html:checkbox property="yahooCheck" onclick="javascript: return validateCheckBoxes()">
    <bean:message key="button.yahooSearch"/>
</html:checkbox>
<html:checkbox property="altavistaCheck" onclick="javascript: return validateCheckBoxes()">
    <bean:message key="button.altavistaSearch"/>
</html:checkbox>
<html:checkbox property="microsoftCheck" onclick="javascript: return validateCheckBoxes()">
    <bean:message key="button.microsoftSearch"/>
</html:checkbox>
<html:checkbox property="lycosCheck" onclick="javascript: return validateCheckBoxes()">
    <bean:message key="button.lycosSearch"/>
</html:checkbox>
<html:checkbox property="askCheck" onclick="javascript: return validateCheckBoxes()">
    <bean:message key="button.askSearch"/>
</html:checkbox><br><br>

<html:radio property="aggregationType" value="Single Page Aggregation">
    <bean:message key="button.singlePage"/>
</html:radio>
<html:radio property="aggregationType" value="Three Page Aggregation">
    <bean:message key="button.threePage"/>
</html:radio><br><br>
<html:text property="searchString" size="42" maxlength="42"/>
<!--<html:submit property="searchEngineused">
    <bean:message key="button.lycosSearch"/>
</html:submit>
<html:submit property="searchEngineused">
    <bean:message key="button.askSearch"/>
</html:submit>
<html:submit property="searchEngineused">
    <bean:message key="button.yahooSearch"/>
</html:submit>&nbsp;&nbsp;
<html:submit property="searchEngineused">
    <bean:message key="button.altavistaSearch"/>
</html:submit>&nbsp;&nbsp;
<html:submit property="searchEngineused">
    <bean:message key="button.microsoftSearch"/>
</html:submit>&nbsp;&nbsp;-->
<html:submit property="searchEngineused" onclick="javascript: return checkEverything()">
    <bean:message key="button.search"/>
</html:submit>&nbsp;&nbsp;
</center>
</html:form>
<!--    <html:link page ="/CustomerDetails.jsp">Customer Form </html:link>-->
</body>
</html:html>
4

2 に答える 2

0
  1. タグを閉じることはありません<title>。
  2. 2 つの<head>セクションがあります。
  3. コードを適切にインデントします。
  4. JS のリファクタリングを検討してください。
  5. JS ライブラリの使用を検討してください。
于 2013-03-13T14:22:07.643 に答える
-1

このコードを使用できます。私はそれがうまくいくはずだと思います..また、送信時にチェックできるチェックボックスごとに選択したチェックボックスの数をチェックする代わりに、簡単にすることもできます。

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri ="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri ="/WEB-INF/struts-bean.tld" prefix="bean" %>
<html:html>
  <head>
    <title>Meta Search Engine</tile>
    <html:base/>
        <script language="javascript">
        function validateCheckBoxes(){
           var yahooCheck = document.getElementsByName ('yahooCheck');
           var altavistaCheck = document.getElementsByName ('altavistaCheck');
           var microsoftCheck = document.getElementsByName ('microsoftCheck');
           var lycosCheck = document.getElementsByName ('lycosCheck');
           var askCheck = document.getElementsByName ('askCheck');

           var i = 0;
           if (yahooCheck[0].checked){
            i=i+1;
           }
           if (altavistaCheck[0].checked){
           i=i+1;
           }
           if (microsoftCheck[0].checked){
           i=i+1;
           }
           if (lycosCheck[0].checked){
           i=i+1;
           }
           if (askCheck[0].checked){
           i=i+1;
           }

    if(i>2){
        if (!yahooCheck[0].checked){
            yahooCheck[0].disabled = true;
        }
        if (!altavistaCheck[0].checked){
            altavistaCheck[0].disabled = true;
        }
        if (!microsoftCheck[0].checked){
            microsoftCheck[0].disabled = true;
        }
        if (!lycosCheck[0].checked){
            lycosCheck[0].disabled = true;
        }
        if (!askCheck[0].checked){
            askCheck[0].disabled = true;
        }   
    }

    if(i<3){
        if (yahooCheck[0].disabled){
            yahooCheck[0].disabled = false;
        }
        if (altavistaCheck[0].disabled){
            altavistaCheck[0].disabled = false;
        }
        if (microsoftCheck[0].disabled){
            microsoftCheck[0].disabled = false;
        }
        if (lycosCheck[0].disabled){
            lycosCheck[0].disabled = false;
        }
        if (askCheck[0].disabled){
            askCheck[0].disabled = false;
        }   
    }
    document.getElementById('checkValue').value = i;
    return true;
}

function checkEverything(){
    if (document.getElementById('checkValue').value < 3){
        alert('Please Select 3 Search Engines');
        return false;
    }
    if((!document.getElementsByName('aggregationType')[0].checked)&&    (!document.getElementsByName('aggregationType')[1].checked)){
        alert('Please Select the type of Aggregation');
        return false;
    }
    if(document.getElementsByName('searchString')[0].value == ""){
        alert('Please Enter a query to search for');
        return false;
    }
    return true;
}
</script>
<body>
<html:img page="/images/search-engine-share.gif"/>
<BR>
<html:form action="/submitSearchForm">
<center>
<input id="checkValue" type="hidden" />
<html:checkbox property="yahooCheck" onclick="javascript: return validateCheckBoxes()">
<bean:message key="button.yahooSearch"/>
</html:checkbox>
<html:checkbox property="altavistaCheck" onclick="javascript: return     validateCheckBoxes()">
<bean:message key="button.altavistaSearch"/>
</html:checkbox>
<html:checkbox property="microsoftCheck" onclick="javascript: return   validateCheckBoxes()">
<bean:message key="button.microsoftSearch"/>
</html:checkbox>
<html:checkbox property="lycosCheck" onclick="javascript: return validateCheckBoxes()">
<bean:message key="button.lycosSearch"/>
</html:checkbox>
<html:checkbox property="askCheck" onclick="javascript: return validateCheckBoxes()">
<bean:message key="button.askSearch"/>
</html:checkbox><br><br>

<html:radio property="aggregationType" value="Single Page Aggregation">
<bean:message key="button.singlePage"/>
</html:radio>
<html:radio property="aggregationType" value="Three Page Aggregation">
<bean:message key="button.threePage"/>
</html:radio><br><br>
<html:text property="searchString" size="42" maxlength="42"/>
<html:submit property="searchEngineused" onclick="javascript: return   checkEverything()">
<bean:message key="button.search"/>
</html:submit>&nbsp;&nbsp;
</center>
</html:form>
</body>
</html:html>
于 2013-03-26T17:13:14.277 に答える