检查变量是否为真 [英] checking whether the variable is true or not

问题描述

 function add(){
        <%if(empRecNum != null && !(empRecNum.equals("")))
    {
       empSelected=true;
    }
    boolean canModify = UTIL.hasSecurity("PFTMODFY") && empSelected;

     %>
    df('ADD');        

    }

当我单击添加时，我需要检查empSelected是否为true并传递此canModify值.会叫吗?

When i click on add, i need to check whether the empSelected is true or not and pass this canModify value. Will this be called?

以这种正确的方式检查JavaScript中的Scriptlet

Is this right way i am checking a Scriptlet inside a JavaScript

推荐答案

在JSP中定义的canModify值永远不会传递给JavaScript.您需要在JavaScript中重新定义变量，例如:

The canModify value defined in JSP is never passed to JavaScript. You need to redefine the variable in JavaScript, for example:

<%
if (canModify) {  // This is the JSP variable
%>
  var canModify = true;  // This is the JavaScript variable
<%
} else {
%>
  var canModify = false;
<%
}
%>

另一方面，您应该放弃JSP scriptlet并切换到JSTL.

On a different note, you should abandon JSP scriptlets and switch to JSTL.

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