Bonjour à tous,
Etant toujours dans la recherche d'une application utilisant les bases de données XML natives, j'ai installé chez moi eXist. Une fois que je me suis connecté à son "Dashboard" j'ai voulu examiné un des exemples des applications qu'il proposait. Parmi eux, il y avait une application qui me plaisait bien: on pouvait gérer les produits qu'on achetait et en bas le prix total s'affichait.
L'application s'appelait orderlist (y orderlist.xhtml et orderlist.xml), en l'executant, on trouve ceci: http://image.noelshack.com/fichiers/...sans-titre.png

Or, j'ai pris exactement le même code qu'ils proposaient dans leurs fichiers (orderlist.xhtml et .xml) et quand j’exécute dans un navigateur le .xhtml (avec xmlwritter) je trouve ceci: http://image.noelshack.com/fichiers/...sans-titre.png
il n'y a aucune erreur mais le resultat n'a absolument rien à voir avec l'application initiale!
par contre si je choisi preview in window avec xmlwritter, je trouve ceci: http://image.noelshack.com/fichiers/...sans-titre.png
il affiche une erreur déjà, contrairement au cas précédent, mais étonamment je ne trouve pas le dijit dont il parle dans la ligne 2 (mais il existe bien dans le code mais un peu plus ligne, genre ligne 159).

ci joint, le contenu des deux fichiers:
orderlist.xml
Code xml : Sélectionner tout - Visualiser dans une fenêtre à part
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<order>
    <item amount="1" price="0.50" taxValue="0" sum="0">eraser</item>
    <item amount="1" price="2.50" taxValue="0" sum="">ballpoint_pen</item>
    <item amount="1" price="50.00" taxValue="0" sum="0">fountain_pen</item>
    <item amount="1" price="0" taxValue="0" sum="0"/>
</order>

orderlist.xhtml
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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<html xmlns="http://www.w3.org/1999/xhtml" xmlns:ev="http://www.w3.org/2001/xml-events" xmlns:xf="http://www.w3.org/2002/xforms">
    <head>
        <title>Shopping cart</title>
    <!--
    ~ Copyright (c) 2012. betterFORM Project - http://www.betterform.de
    ~ Licensed under the terms of BSD License
    -->
        <meta name="author" content="joernt at users.sourceforge.net"/>
        <meta name="author" content="lars.windauer at chiba-project.org"/>
        <meta name="author" content="tobias.krebs at betterform.de"/>
        <meta name="author" content="fabian.otto at betterform.de"/>
        <meta name="description" content="XForms demo of a simple order list"/>
 
 
    <!--<link rel="stylesheet" type="text/css" href="bfResources/styles/dashboard.css" />-->
        <link rel="stylesheet" type="text/css" href="styles/demo.css"/>
        <style type="text/css">
        .soria #xforms {
            overflow: hidden;
        }
        .xfFullGroup .xfControl .xfLabel {
            width: 55px;
        }
    </style>
    </head>
    <body class="soria" style="margin:30px;">
        <div id="xforms">
            <div style="display:none">
                <xf:model>
                    <xf:instance xmlns="" id="orderlist" src="orderlist.xml"/>
                    <xf:bind id="items" nodeset="item[position()!=last()]">
                        <xf:bind id="article" nodeset="." required="true()"/>
                        <xf:bind id="amount" nodeset="@amount" type="integer" required="true()" constraint=". &lt; 100"/>
                        <xf:bind id="price" nodeset="@price" type="float"/>
                        <xf:bind id="taxValue" nodeset="@taxValue" calculate="../@amount * ../@price * instance('shippingAndTaxes')/region/tax" type="float"/>
                        <xf:bind id="sum" nodeset="@sum" calculate="../@amount * ../@price * ( 1 + instance('shippingAndTaxes')/region/tax)" type="float"/>
                    </xf:bind>
                    <xf:instance id="shippingAndTaxes">
                        <order xmlns="">
                            <region>
                                <name>Region 7</name>
                                <shipping>4.40</shipping>
                                <tax>0.19</tax>
                            </region>
                        </order>
                    </xf:instance>
                    <xf:bind nodeset="instance('shippingAndTaxes')/region/tax" type="float"/>
                    <xf:instance id="template">
                        <order xmlns="">
                            <item amount="1" price="1.50" taxValue="0" sum="0">pencil</item>
                        </order>
                    </xf:instance>
 
        <!--
        <xf:instance id="items">
            <items xmlns="">
                <item price="0.50">Eraser</item>
                <item price="1.50">Pencil</item>
                <item price="2.49">Ballpoint pen</item>
                <item price="3.99">Spiral notebook</item>
                <item price="50.00">Fountain pen</item>
                <item price="69.98">Shredder</item>
                <template>Eraser</template>
            </items>
        </xf:instance>
 
        <xf:bind id="articles" nodeset="instance('items')"/>
 
        <xf:instance id="userItem">
            <order xmlns="">
                <item price="0"/>
            </order>
        </xf:instance>
 
        <xf:bind nodeset="instance('userItem')/item">
            <xf:bind nodeset="." type="normalizedString" constraint="string-length(.) > 1"/>
            <xf:bind nodeset="@price" type="float" constraint=". > 0"/>
        </xf:bind>
        -->
                    <xf:instance id="countries">
                        <contries xmlns="">
                            <region>
                                <name/>
                                <shipping>0.0</shipping>
                                <tax>0.0</tax>
                            </region>
                            <region>
                                <name>Region 1</name>
                                <shipping>12.50</shipping>
                                <tax>0.1</tax>
                            </region>
                            <region>
                                <name>Region 2</name>
                                <shipping>8.00</shipping>
                                <tax>0.2</tax>
                            </region>
                            <region>
                                <name>Region 3</name>
                                <shipping>30.00</shipping>
                                <tax>0.0</tax>
                            </region>
                            <region>
                                <name>Region 4</name>
                                <shipping>10.00</shipping>
                                <tax>0.21</tax>
                            </region>
                            <region>
                                <name>Region 5</name>
                                <shipping>15.00</shipping>
                                <tax>0.07</tax>
                            </region>
                            <region>
                                <name>Region 6</name>
                                <shipping>8.50</shipping>
                                <tax>0.16</tax>
                            </region>
                            <region>
                                <name>Region 7</name>
                                <shipping>4.40</shipping>
                                <tax>0.19</tax>
                            </region>
                            <region>
                                <name>Region 8</name>
                                <shipping>13.25</shipping>
                                <tax>0.125</tax>
                            </region>
                            <region>
                                <name>Region 9</name>
                                <shipping>14.00</shipping>
                                <tax>0.062</tax>
                            </region>
                            <region>
                                <name>Region 10</name>
                                <shipping>0.08</shipping>
                                <tax>0.16</tax>
                            </region>
                            <region>
                                <name>Region 11</name>
                                <shipping>40.00</shipping>
                                <tax>0.215</tax>
                            </region>
                            <region>
                                <name>Region 12</name>
                                <shipping>9.00</shipping>
                                <tax>0.14</tax>
                            </region>
                        </contries>
                    </xf:instance>
                    <xf:instance id="result">
                        <data xmlns="">
                            <taxtotal/>
                            <netpricetotal/>
                            <sumtotal/>
                        </data>
                    </xf:instance>
                    <xf:bind nodeset="instance('result')">
                        <xf:bind nodeset="taxtotal" calculate="sum(instance('orderlist')/item/@sum) * instance('shippingAndTaxes')/region/tax" type="float"/>
                        <xf:bind nodeset="netpricetotal" calculate="sum(instance('orderlist')/item/@sum) - (sum(instance('orderlist')/item/@sum) * instance('shippingAndTaxes')/region/tax)" type="float"/>
                        <xf:bind nodeset="sumtotal" calculate="sum(instance('orderlist')/item/@sum) + instance('shippingAndTaxes')/region/shipping" type="float"/>
                    </xf:bind>
                </xf:model>
            </div>
            <div class="Section" dojotype="dijit.layout.ContentPane">
                <xf:group appearance="full" class="contactsFullGroup">
                    <div class="Headline">Shopping cart:</div>
                    <div class="description">
        A simple calculated shopping cart with slightly formatted output.<br/>
        Tax and shipping costs get calculated dependent on the region you choose.
    </div>
                    <br/>
 
    <!--<div class="orderListRegionSelect">-->
                    <xf:select1 appearance="minimal" ref="instance('shippingAndTaxes')">
                        <xf:label id="region">Ship to:</xf:label>
                        <xf:hint>Choose your region for correct tax and shipping cost calculation</xf:hint>
                        <xf:itemset nodeset="instance('countries')/region">
                            <xf:label ref="name"/>
                            <xf:copy ref="."/>
                        </xf:itemset>
                    </xf:select1>
    <!--</div>-->
                    <xf:group appearance="minimal">
                        <xf:repeat id="repeatid" bind="items" appearance="compact" class="orderListRepeat">
                            <xf:select1 bind="article">
                                <xf:label class="contactsRepeatHeader">Article</xf:label>
                                <xf:hint>Choose the article you wish to add to the shopping cart</xf:hint>
                                <xf:choices>
                                    <xf:item>
                                        <xf:label>Eraser</xf:label>
                                        <xf:value>eraser</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">0.50</xf:setvalue>
                                    </xf:item>
                                    <xf:item>
                                        <xf:label>Pencil</xf:label>
                                        <xf:value>pencil</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">1.50</xf:setvalue>
                                    </xf:item>
                                    <xf:item>
                                        <xf:label>Ballpoint pen</xf:label>
                                        <xf:value>ballpoint_pen</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">2.49</xf:setvalue>
                                    </xf:item>
                                    <xf:item>
                                        <xf:label>Spiral notebook</xf:label>
                                        <xf:value>spiral_notebook</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">3.99</xf:setvalue>
                                    </xf:item>
                                    <xf:item>
                                        <xf:label>Fountain pen</xf:label>
                                        <xf:value>fountain_pen</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">50.00</xf:setvalue>
                                    </xf:item>
                                    <xf:item>
                                        <xf:label>Shredder</xf:label>
                                        <xf:value>shredder</xf:value>
                                        <xf:setvalue ev:event="xforms-select" bind="price">69.98</xf:setvalue>
                                    </xf:item>
                                </xf:choices>
                            </xf:select1>
            <!--
            <xf:select1 bind="article">
                <xf:label class="contactsRepeatHeader">Article</xf:label>
                <xf:hint>Choose the article you wish to add to the orderlist</xf:hint>
                <xf:itemset nodeset="instance('items')/item">
                    <xf:label ref="."/>
                    <xf:value ref="."/>
 
                </xf:itemset>
            </xf:select1>
            -->
                            <xf:input bind="amount" incremental="true">
                                <xf:label class="contactsRepeatHeader orderlistAmount">Amount</xf:label>
                                <xf:hint>Enter the amount of articles you would like to buy (99 items max)</xf:hint>
                                <xf:alert>You can order a maximum of 99 articles in one order</xf:alert>
                            </xf:input>
                            <xf:output value="format-number(@price, '€ 0.00')" class="text-right">
                                <xf:label class="contactsRepeatHeader">Price</xf:label>
                            </xf:output>
                            <xf:output value="format-number(instance('shippingAndTaxes')/region/tax , '0.00%')" class="text-right">
                                <xf:label class="contactsRepeatHeader">Tax %</xf:label>
                            </xf:output>
                            <xf:output value="format-number(@taxValue, '€ 0.00')" class="text-right">
                                <xf:label class="contactsRepeatHeader">Tax Value</xf:label>
                            </xf:output>
                            <xf:output value="format-number(@sum, '€ 0.00')" class="text-right">
                                <xf:label class="contactsRepeatHeader">Sum</xf:label>
                            </xf:output>
                        </xf:repeat>
                        <div class="orderlistRepeatFooter">
                            <xf:output id="totalSum" value="format-number(instance('result')/netpricetotal, '€ 0.00')">
                                <xf:label>Net price:</xf:label>
                            </xf:output>
                            <xf:output id="totalTax" value="format-number(instance('result')/taxtotal, '€ 0.00')">
                                <xf:label>+ Total tax:</xf:label>
                            </xf:output>
                            <xf:output id="shipping" value="format-number(instance('shippingAndTaxes')/region/shipping, '€ 0.00')">
                                <xf:label class="orderlistRepeatFooter">+ Shipping:</xf:label>
                            </xf:output>
                            <xf:output id="total" value="format-number(instance('result')/sumtotal, '€ 0.00')">
                                <xf:label>= Total:</xf:label>
                            </xf:output>
                        </div>
                    </xf:group>
                </xf:group>
                <xf:group appearance="minimal" class="orderListTriggerGroup">
    <!--
    <xf:trigger class="orderListNewTrigger">
        <xf:label>New item</xf:label>
        <xf:hint>Create new article for articlelist</xf:hint>
        <xf:action>
            <script type="text/javascript">
                dijit.byId("itemDialog").show();
            </script>
        </xf:action>
    </xf:trigger>
    -->
                    <table>
                        <tr>
                            <td class="orderListSpacerLeft"/>
                            <td>
                                <xf:trigger class="orderListAddTrigger">
                                    <xf:label>Add item</xf:label>
                                    <xf:hint>Adds a new article to the shopping cart</xf:hint>
                                    <xf:action>
                                        <xf:insert bind="items" at="last()" position="after" origin="instance('template')/item" if="exists(instance()/item)"/>
                                        <xf:insert context="/order" at="last()" position="after" origin="instance('template')/item" if="count(instance()/item) = 1"/>
                                    </xf:action>
                                </xf:trigger>
                            </td>
                            <td>
                                <xf:trigger class="orderListDelTrigger">
                                    <xf:label>Delete item</xf:label>
                                    <xf:hint>Deletes selected article from shopping cart</xf:hint>
                                    <xf:action>
                                        <xf:delete bind="items" at="index('repeatid')"/>
                                    </xf:action>
                                </xf:trigger>
                            </td>
                            <td>
                                <xf:trigger class="orderListResetTrigger">
                                    <xf:label>Reset</xf:label>
                                    <xf:hint>Resets demo to inital state</xf:hint>
                                    <xf:action>
                                        <xf:reset/>
                                    </xf:action>
                                </xf:trigger>
                            </td>
                            <td class="orderListSpacerRight"/>
                        </tr>
                    </table>
    <!--
    <div id="itemDialog" dojoType="dijit.Dialog" title="Insert new article into articlelist">
        <xf:group appearance="full" ref="instance('userItem')/item">
            <xf:input ref=".">
                <xf:label>Article name:</xf:label>
                <xf:hint>Enter the name of the new article</xf:hint>
                <xf:alert>Please enter an article name</xf:alert>
            </xf:input>
            <xf:input ref="@price">
                <xf:label>Article price:</xf:label>
                <xf:hint>Enter the price of the new article</xf:hint>
            </xf:input>
 
            <xf:group appearance="minimal" class="orderListTriggerGroup">
                <xf:trigger class="orderListOKTrigger">
                    <xf:label>Add new article</xf:label>
                    <xf:hint>Add the article to the articlelist</xf:hint>
                    <xf:action>
                        <script type="text/javascript">
                            dijit.byId("itemDialog").hide();
                        </script>
                        <xf:insert context="instance('items')" origin="instance('userItem')/item"/>
                        <xf:setvalue ref="instance('userItem')/item"></xf:setvalue>
                        <xf:setvalue ref="instance('userItem')/item/@price" value="'0'"/>
                    </xf:action>
                </xf:trigger>
                <xf:trigger class="orderListAbortTrigger">
                    <xf:label>Abort</xf:label>
                    <xf:hint>Close dialog</xf:hint>
                    <xf:action>
                        <script type="text/javascript">
                            dijit.byId("itemDialog").hide();
                        </script>
                    </xf:action>
                </xf:trigger>
            </xf:group>
        </xf:group>
    </div>
    -->
                </xf:group>
            </div>
        </div>
    </body>
</html>
Si vous pouvez déceler l'erreur qu'il y a, je vous en serai éternellement reconnaissant!
Bien à vous.