$(document).ready(function()
{
    $('#craw').click(function(){
        var craw = $(this);
        craw.button('loading');
        var length = $('#total').text();
        if(length ==0){
            craw.button('reset');
        }else{
            for(var i=0;i<length;i++){
                var value = $('#need_'+i).text();
                getData(value,i);
            }
             craw.button('reset');

        }
        return false;
    });
});
function getData(s_url,i){
    $.ajax({
        url: "getData.php",
        dataType:'html',
        data:"school_url="+s_url,
        success:function(result){
            if(result=='success'){
                $('#status_'+i).addClass('label-success');
                $('#status_'+i).html('抓取成功');
            }else{
                $('#status_'+i).addClass('label-warning');
                $('#status_'+i).html('抓取失败');
            }
        }
    })
}