工作框架各种使用整理 --图片上传和下载

 <container-dialog id="UploadContentDialog" button-text="Upload Content">
                <form-single name="UploadExampleContent" transition="uploadExampleContent">
                    <field name="exampleId"><default-field><hidden/></default-field></field>
                    <field name="contentFile"><default-field><file/></default-field></field>
                    <!-- <field name="repositoryName"><default-field><text-line size="20" default-value="main"/></default-field></field> -->
                    <field name="purposeEnumId"><default-field title="Purpose">
                        <drop-down><entity-options><entity-find entity-name="moqui.basic.Enumeration">
                            <econdition field-name="enumTypeId" value="ExampleContentPurpose"/>
                            <order-by field-name="description"/>
                        </entity-find></entity-options></drop-down>
                    </default-field></field>
                    <field name="locale"><default-field><text-line size="6"/></default-field></field>
                    <field name="submitButton"><default-field title="Add"><submit confirmation="Really Add?"/></default-field></field>
                </form-single>
            </container-dialog>

 <transition name="uploadExampleContent">
        <actions><script><![CDATA[
            import org.moqui.context.ResourceReference
            org.moqui.context.ExecutionContext ec = context.ec

            org.apache.commons.fileupload.FileItem contentFile = context.contentFile
            String fileName = contentFile.getName()
            ec.logger.info("Uploading file [${fileName}] for Example [${exampleId}] in repository [${repositoryName}] with purpose [${purposeEnumId}] and locale [${locale}]")

            // String contentLocation = "content://${repositoryName}/moqui/example/${exampleId}/${fileName}"
            String contentLocation = "dbresource://moqui/example/${exampleId}/${fileName}"
            ResourceReference newRr = ec.resource.getLocationReference(contentLocation)
            InputStream fileStream = contentFile.getInputStream()
            newRr.putStream(fileStream)
            fileStream.close()

            ec.service.sync().name("create", "ExampleContent").parameters([exampleId: exampleId,
                    contentLocation: contentLocation, purposeEnumId: purposeEnumId, locale: locale]).call()
            ]]></script></actions>
        <default-response url="."/>
    </transition>

<form-list name="ListExampleContent" transition="updateExampleContent" list="exampleContentList">
            <field name="download"><default-field>
                <link url="downloadContent" text="Download" parameter-map="[exampleId:exampleId, contentLocation:contentLocation]"/>
            </default-field></field>
            <field name="exampleId"><default-field><hidden/></default-field></field>
            <field name="contentLocation"><default-field title="Location"><display/></default-field></field>
            <field name="purposeEnumId"><default-field title="Purpose">
                <drop-down><entity-options><entity-find entity-name="moqui.basic.Enumeration">
                    <econdition field-name="enumTypeId" value="ExampleContentPurpose"/>
                    <order-by field-name="description"/>
                </entity-find></entity-options></drop-down>
            </default-field></field>
            <field name="locale"><default-field><text-line size="6"/></default-field></field>
            <field name="submitButton"><default-field title="Update"><submit/></default-field></field>
            <field name="deleteLink">
                <default-field title=" ">
                    <!-- the parameters for this will be auto-mapped: exampleId, contentLocation -->
                    <link url="deleteExampleContent" text="Delete" confirmation="Really Delete?"/>
                </default-field>
            </field>
        </form-list>

 <transition name="downloadContent">
        <actions>
            <entity-find-one entity-name="ExampleContent" value-field="exampleContent"/>
            <script>ec.web.sendResourceResponse(exampleContent.contentLocation)</script>
        </actions>
        <default-response type="none"/>
    </transition>