jquery实现城市选择器效果(二级联动)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <script src="http://code.jquery.com/jquery-latest.js"></script> <script src="city.js"></script> <script> $(function(){ //城市联动 var province=''; $.each(city,function(index,value){ province+='<option value="' + value.name + '" index="'+index+'"> ' + value.name + '</option>' }); $('select[name=province]').append(province).change(function () { //$('select[name=city]').html(''); var option = ''; if ($(this).val() == '') { option += '<option value="">请选择</option>'; }else{ var index = $(':selected', this).attr('index'); var data = city[index].child; for (var i = 0; i < data.length; i++) { option += '<option value="' + data[i] + '">' + data[i] + '</option>'; } } $('select[name=city]').html(option); }) }) </script> </head> <body> <select name='province' > <option value=''>--请选择--</option> </select> <select name='city' > <option value=''>--请选择--</option> </select> </body> </html>
var city = 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