selectAttachment
    online
    button
    javascript
    查看附件
    onClickJavaScript
    false
    {!RequireScript("/soap/ajax/51.0/connection.js")} 
{!RequireScript("/soap/ajax/51.0/apex.js")} 
var From= function(){ 
window.open( "/apex/eSignFormAttachment?parentId={!URLENCODE(eSignForm__c.Id)}");
} 
From();