<select>标签解决只读状态下无法传递值到后台问题
function SetReadOnly(id){ var obj=document.getElementById(id) if(obj){ obj.onbeforeactivate = function(){return false;}; obj.onfocus = function(){obj.blur();}; obj.onmouseover = function(){obj.setCapture();}; obj.onmouseout = function(){obj.releaseCapture();}; } } function UnSetReadOnly(id){ var obj=document.getElementById(id) if(obj){ obj.onbeforeactivate = function(){return true;}; obj.onfocus = function(){}; obj.onmouseover = function(){}; obj.onmouseout = function(){}; } }?