我们需要一些网页数据,需要进行采集,以下是简单的一个使用jquery的采集方法。
var ocustomer = [];var opage = function(page){ $.get('http://www.**xx*xx.com/customer/all?p='+page,function(res){ var $doc = $(res); var $tableObj = $doc.find('#dynamic-table'); var $tableTr = $tableObj.find('tr'); var $trnum = $tableTr.size(); for(var i=0;i<$trnum;++i){ var $td = $tableTr.eq(i).find('td:first a'); var $phone = $tableTr.eq(i).find('td:nth-child(4)').text(); ocustomer.push({ id: $td.data('id'), realname: $td.data('realname'), company: $td.data('company'), phone: $phone }); } console.log(JSON.stringify(ocustomer)); });}var num = 0;var timer = setInterval(function(){ num++; opage(num);},2000);
处理完执行:
console.log(JSON.stringify(ocustomer));
即可。
优化有的方法:
var ocustomer = [];var opage = function(page){ $.get('http://www.**xx*xx.com/customer/all?p='+page,function(res){ var $doc = $(res); $doc.find('#dynamic-table tr').each(function(){ var $tda = $(this).find('td:first a'); var $phone = $(this).find('td:nth-child(4)').text(); ocustomer.push({ id: $tda.data('id'), realname: $tda.data('realname'), company: $tda.data('company'), phone: $phone }); }); console.log(JSON.stringify(ocustomer)); });}var num = 0;var timer = setInterval(function(){ num++; opage(num);},2000);console.log(JSON.stringify(ocustomer));
打完收工!