理论上可行。
做起来麻烦

能否提供这方面的教程？

//-----------------------------------------------------------------------------------------------------
// function loadText
//-----------------------------------------------------------------------------------------------------
function loadText(URL) {
    myLoadVars = new LoadVars();
    myLoadVars.load(URL);
    myLoadVars.onLoad = function(success) {
        myTextFormat = new TextFormat();
        myTextFormat .indent = 0;
        TextView.htmlText = myLoadVars.filetext;
        TextView.setTextFormat(myTextFormat );
    }
}
if (path != undefined) {
    loadText(path);
}

//-----------------------------------------------------------------------------------------------------
// Execute function
//-----------------------------------------------------------------------------------------------------
on (release) {
    TextViewBox.path = "help.html";
}

//-----------------------------------------------------------------------------------------------------
// html content
//-----------------------------------------------------------------------------------------------------


&filetext=

html

....................................................................................................

&title=help
&textloaded=1

//-----------------------------------------------------------------------------------------------------
// Execute function
//-----------------------------------------------------------------------------------------------------
on (release) {
TextViewBox.path = "help.html";
}