Hishop.Weixin.MP/Api/NewsApi.cs

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namespace Hishop.Weixin.MP.Api
{
    using Hishop.Weixin.MP.Util;
    using Newtonsoft.Json.Linq;
    using System;
    using System.Collections.Generic;
    using System.Data;
    using System.IO;
    using System.Linq;
    using System.Net;
    using System.Text;
    using System.Web;

    public class NewsApi
    {
        public static string CreateImageNewsJson(string media_id)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append("{\"filter\":{\"is_to_all\":true},");
            builder.Append("\"msgtype\":\"mpnews\",");
            builder.Append("\"mpnews\":{\"media_id\":\"" + media_id + "\"}");
            builder.Append("}");
            return builder.ToString();
        }

        public static string CreateImageNewsJson(string media_id, List<string> openidList)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append("{\"touser\":[");
            builder.Append(string.Join(",", openidList.ConvertAll<string>(a => "\"" + a + "\"").ToArray()));
            builder.Append("],");
            builder.Append("\"msgtype\":\"mpnews\",");
            builder.Append("\"mpnews\":{\"media_id\":\"" + media_id + "\"}");
            builder.Append("}");
            return builder.ToString();
        }

        public static string CreateKFImageNewsJson(string openid, string media_id)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append("{\"touser\":\"" + openid + "\",\"msgtype\":\"image\",\"image\": {\"media_id\":\"" + media_id + "\"}}");
            return builder.ToString();
        }

        public static string CreateKFTxtNewsJson(string openid, string content)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append("{\"touser\":\"" + openid + "\",\"msgtype\":\"text\",\"text\": {\"content\":\"" + content + "\"}}");
            return builder.ToString();
        }

        public static string CreateTxtNewsJson(string media_id)
        {
            string str = "内容测试";
            StringBuilder builder = new StringBuilder();
            builder.Append("{\"filter\":{\"is_to_all\":true},");
            builder.Append("\"text\":{\"content\":\"" + str + "\"},");
            builder.Append("\"mpnews\":{\"media_id\":\"" + media_id + "\"}");
            builder.Append("}");
            return builder.ToString();