windows下使用的E-mail.修正后测试正常.可群发邮件.添加附件.以及Txt,html混合邮件体-windows use of E-mail. After that the tests are normal. Can mail lists. Add Annex . Simultaneously, Txt and, html mixed-mail

使用windows http post请求json数据，实现iopenet通讯协议，IDE:VC6.0. 可编译通过。有测试数据，见html.txt。-Using windows http post request json data to achieve iopenet communication protocols, IDE: VC6.0. Could compile. With test data, see html.txt.