// 省市切换

province = {

	// template

	/* -------------------------------------------------------------

	<select id="pv..." class='bselect province'></select>

	<select class='bselect province_city'></select>

	<script>

	province.init($('#pv'));

	// or 带有位置初始化

	var loc = {

		'province': 1 

		,'city': 1 

	}

	province.init($('#pv'),loc);

	</script>

	-------------------------------------------------------------*/

	url_province: site_url + 'province/province_ajax'

	,url_province_city: site_url + 'province/city_ajax'

	,init:function(pv){

 		l = arguments[1]?arguments[1]:0;

		$.ajax({

			url:this.url_province

			,type:'get'

			,datatype:'json'

		})

		.done(function(data){

			op = '';

			$.each(data,function(index, el) {

				if (l && l.province == el.id) {

					op += '<option selected="selected" value="'+el.id+'">';

				}else{

					op += '<option value="'+el.id+'">';

				}

				op += el.title;

				op += '</option>';

			});

			console.log(op);

			pv.append(op);

		});	



		_city = pv.next('.province_city');



		if (l) {

			province.get_city(l.province,_city,l.city);

		}else{

			province.get_city(1,_city);

		}



		// 省选择进行处理

		$(pv).on('change', function(event) {

			pid = $(this).val();

			_province = $(this);

			_city = $(this).next('.province_city');

			province.get_city(pid,_city);

		});

	}

	// pid 省id city为city select的对象

	,get_city:function(pid,city){

		lc = arguments[2]?arguments[2]:0;

		$.ajax({

			url:this.url_province_city

			,type:'get'

			,datatype:'json'

			,data:{pid:pid}

		})

		.done(function(data){

			op = '';

			$.each(data,function(index, el) {

				if (lc && lc == el.id) {

					op += '<option selected="selected" value="'+el.id+'">';

				}else{

					op += '<option value="'+el.id+'">';

				}

				op += el.title;

				op += '</option>';

			});

			city.html('');

			city.append(op);

		});

	}

};