JavaScript的swichcase方法
function changeBody(index){ switch(index){ case 1:{ document.getElementById('bull').style.display = ""; document.getElementById('cont').style.display = "none"; document.getElementById('gridPager').style.display = "none";document.getElementById('dis').style.display = "none";break; } case 2:{ document.getElementById('bull').style.display = "none"; document.getElementById('cont').style.display = ""; document.getElementById('gridPager').style.display = "";document.getElementById('dis').style.display = "";break; } case 3:{ document.getElementById('bull').style.display = "none"; document.getElementById('cont').style.display = ""; document.getElementById('gridPager').style.display = "";document.getElementById('dis').style.display = "";break; } }}