引入jquery.blockUI.js和blockUI.jquery.json
$(document).ajaxStart(function(){
$.blockUI({
message: '正在操作,请稍后....',
css: {
border: 'none',
padding: '15px',
backgroundColor: '#000',
opacity: 0.15,
color: '#fff'
}
})
}).ajaxStop($.unblockUI);