vs2017调用天气预报服务

1、先添加服务引用

2、点击高级

3、添加web引用

4、输入服务地址，添加引用
vs2017调用天气预报服务

后台代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.WebSockets;
using System.Web.Services;

namespace WebApplication1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            getWeather();
        }
        public string getWeather()
        {
            StringBuilder sb = new StringBuilder();
            string[] WI = new string[22];//声明string数组储存放返回结果
            cn.com.webxml.www.WeatherWebService s = new cn.com.webxml.www.WeatherWebService();
          

            string CityName = "北京";
            WI = s.getWeatherbyCityName(CityName);
            sb.Append(string.Format(@"<table>
                    <tr><td>今天天气概况：</td><td><span>{0}</span>&nbsp;&nbsp;<span><img src=""image/weather/{1}""/> <img src=""image/weather/{2}""/></span></td></tr>
                    <tr><td>今天天气实况：</td><td>{3}</td></tr>
                    <tr><td>明天天气概况：</td><td><span>{4}</span>&nbsp;&nbsp;<span><img src=""image/weather/{5}""/> <img src=""image/weather/{6}""/></span></td></tr>
                    <tr><td>后天天气概况：</td><td><span>{7}</span>&nbsp;&nbsp;<span><img src=""image/weather/{8}""/> <img src=""image/weather/{9}""/></span></td></tr>
                </table>", WI[6], WI[8], WI[9], WI[10], WI[13], WI[15], WI[16], WI[18], WI[20], WI[21]));
            return sb.ToString();
        }
    }
}

前台页面

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <%=getWeather()%>
        </div>
    </form>
</body>
</html>

效果
vs2017调用天气预报服务