ajax select option 数据。为了下次方便信手拈来！！

为了下次方便信手拈来！！

示例1

var form = document.forms["maddraddform"];
$(form.province).change(function(){
    var post = {cache_time:0, id:$(this).val()};
    app.fetchUrl(function(data){
            if(data==false) {
                J.showToast(fetch_err_msg, 'error', 2000);
                return false;
            }
            if(typeof data == "string") data = eval('('+data+')');

            if(data.ret == 1){
                var obj = document.forms["maddraddform"].city;
                $(obj).empty();
                $(obj).append('<option value="0">请选择市</option>');
                for(var i=0; i<data.list.length; i++){
                    $(obj).append('<option value="'+data.list[i].id+'">'+data.list[i].name+'</option>');
                }
            }else{
                J.showToast(data.msg, 'error', 2000);
            }
    }, wsurl+'District/Lists/', post);
});

示例2

$('#ddlproducttype').change(function(){
    $.ajax({
        type: "POST",
        url: MPATH + "/main/P/AgencyList.ashx",
        data: {"producttype": $.trim($("#ddlproducttype").val())}, 
        dataType: "json",
        cache: !1,
        success: function (result) {
            $("#ddlissuers").empty();
            $("#ddlissuers").append('<option value="">请选择发行机构</option>');
            if (result.total>0) {
                for(var i=0; i<result.rows.length; i++){
                    $("#ddlissuers").append('<option value="'+result.rows[i].id+'">'+result.rows[i].referred+'</option>');
                }
            }
        }
    });
});