$(function() {
    weather();
    function weather() {
        var url = "http://m.weather.com.cn/data/101290101.html";  //101290101可以为某个地区的编码
        var weatherStr;
        $.ajax({
            type: "GET",
            dataType: "json",
            url: url,
            success: function(data) {
                weatherStr = data.weatherinfo.city + "    " +
                /*"<img src=http://www.weather.com.cn/m/i/weatherpic/29x20/d" + data.weatherinfo.img1 + ".gif />" + */
                data.weatherinfo.weather1 + "&nbsp;&nbsp;&nbsp;&nbsp;" + data.weatherinfo.temp1;
                $("#dw_header").children("#weather").empty().html(weatherStr);
            }
        })
    }
});