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大家好，

我在xmlview中定义了一个文本区域：

  </pre>
 <p>我可以在</p>中设置值
 <pre> onInit：函数（）{
 this.byId（" textAreaContent"）。setValue（" uschi"）;
 }，
 </pre>
 <p>这很好</p>
 <p>但是当我在下面使用相同的语句时，它不起作用，我想知道为什么</p>
 <p> <img src="/img/storage/temp/1687599-unbenannt.jpg"> </p>
 <p>我收到一个错误：</p>
 <p> <img src="/img/storage/temp/1687600-unbenannt.jpg"> </p>
 <p>谢谢。</p>
 <p>如何在对话框中使用setValue？</p>
 <p>谢谢，问候</p>
 <p>马里奥</p>

    
        
         <a href="/storage/temp/1687599-unbenannt.jpg"> unbenannt.jpg </a>
         （43.2 kB）</p>
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0;text-indent:32px"><br/></p><p>大家好，</p>
 <p>我在xmlview中定义了一个文本区域：</p>
 <pre> <TextArea id =" textAreaContent" value =" Lorem ipsum ..，"行=" 8" cols =" 80"/> </pre>
 <p>我可以在</p>中设置值
 <pre> onInit：函数（）{
 this.byId（" textAreaContent"）。setValue（" uschi"）;
 }，
 </pre>
 <p>这很好</p>
 <p>但是当我在下面使用相同的语句时，它不起作用，我想知道为什么</p>
 <p> <img src="/img/storage/temp/1687599-unbenannt.jpg"> </p>
 <p>我收到一个错误：</p>
 <p> <img src="/img/storage/temp/1687600-unbenannt.jpg"> </p>
 <p>谢谢。</p>
 <p>如何在对话框中使用setValue？</p>
 <p>谢谢，问候</p>
 <p>马里奥</p>

    
        
         <a href="/storage/temp/1687599-unbenannt.jpg"> unbenannt.jpg </a>
         （43.2 kB）  </div></div>
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<span>3条回答</span>

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<span>1楼 · 2020-09-08 14:58.<span
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<div class="answercontent" style="max-height:1000000px"> <p>我明白了</p>
 <p>关键字范围</p>
 <pre>此</pre>
 <p>正在改变。 解决方案是记住/缓存范围：</p>
 <pre> onClassNameDialog：函数（oEvent）{
 var textareaCache = this.byId（" textAreaContent"）;
 var dialog = new Dialog（{
 标题："确认"，
 类型："消息"，
 beginButton：新按钮（{
 文字："创建"，
 按下：功能（oEvent）{
 textareaCache.setValue（" uschi3"）;
 dialog.close（）;
 }
 }），
 endButton：新按钮（{
 文字："取消"，
 按下：功能（）{
 dialog.close（）;
 }
 }），
 afterClose：function（）{
 dialog.destroy（）;
 }
 }）;
 dialog.open（）;
 }，

 </pre>
 <p>亲切问候</p>
 <p> Mario </p>  <div class="appendcontent"></div>
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            Cikesha                                          </a>
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             <span>2楼-- · 2020-09-08 15:00</span>
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                                                                          <p>嗨，我建议不要使用getCore（），而是可以使用jsonmodel并以此作为玩法，</p> <p>创建一个jsonModel即jsonModel  .setData（{textValue：" Lorem ipsum .."}）并将其设置为视图</p> <p>将" textValue"字段绑定到textarea，您只需在以下位置获取并将其设置为模型字段值即可 textarea将自动更改。 例如</p> <p> jsonModel.getProperty（"/img/textValue"）//获取文本区域值</p> <p> jsonModel.setProperty（"/img/textValue"，" uschi"）//设置文本区域值</p  >                                                                    <div class="appendcontent">
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            一只江湖小虾                                          </a>
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             <span>3楼-- · 2020-09-08 14:53</span>
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                                                                          <p>您好<a rel="nofollow" href="https://answers.sap.com/users/2949/akhileshupadhyay.html"> Akhilesh </a>，</p>
 <p>谢谢。 好提示。 但是您的建议似乎可以解决。  </p>
 <p>我真的想知道为什么我的编码无法正常工作。</p>
 <p>亲切问候</p>
 <p>马里奥（Mario）</p>                                                                    <div class="appendcontent">
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