Sry.Framework.Web/HttpPostWriter.cs

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Sry.Framework.Web
{
    public class HttpPostWriter
    {
        private Dictionary<string, string> dict = new Dictionary<string, string>();

        public void Clear() {
            dict.Clear();
        }

        /// <summary>
        /// 写入数据
        /// </summary>
        public void Add(string key, string value)
        {
            if (!dict.Keys.Contains(key))
                dict.Add(key, value);
        }

        public string Post(string url) {
            
            if (dict == null || dict.Count == 0)
                throw new ArgumentNullException("数据字典不能为空，POST必须要有DATA参数");

            StringBuilder sb = new StringBuilder();

            foreach (KeyValuePair<string, string> pair in dict) {
                sb.AppendFormat("&{0}={1}", pair.Key, pair.Value);
            }

            return HttpUtils.PostData(url, "utf-8", true, sb.ToString());
        }
    }
}