$.ajax({
    url: "agent.aspx",
    context: document.body,
    data: { au: "http://m.weather.com.cn/data/101260101.html" },
    success: function (json) {
        json = eval('(' + json + ')');
        $("#weather").html(json.weatherinfo.date_y + " " + json.weatherinfo.week + " 天气预报：" + json.weatherinfo.temp1);
    }
});