function test(){$.ajax({   type: "POST",   url: "json.txt",   data: '000',   dataType:'json',//此项十分重要，切记！   success: function(msg){	var data_text="";	$.each(msg.logistics_companies_get_response.logistics_companies.logistics_company, function(i,item){	data_text+="code:"+item.code+",　id:"+item.id+",　name:"+item.name+"
";})	$("div").html(data_text);	$("p").html('总共个数：'+msg.logistics_companies_get_response.logistics_companies.logistics_company.length);}　　});}test();