FileSystemManager.readFile(Object object)内部含有中文字符的文件时，文件内容发生乱码，文件格式UTF8， encode  utf-8,"<p class="STYLE1" style="background-color: transparent; color: rgb(0, 0, 0); font-family: Microsoft YaHei; font-size: 24px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2;  text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">
    �������<br/>
</p>
<p>
    <img src="https://636e-cnczhu-e54acb-1257960360.tcb.qcloud.la/������ť2.png?sign=dddae4f51654724bfccbda6d809b0e17&t=1541083939"/>
</p>
<p>
    <br/>
</p>"实际文本文件内容： <p class="STYLE1" style="background-color: transparent; color: rgb(0, 0, 0); font-family: Microsoft YaHei; font-size: 24px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2;  text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">
    代码测试<br/>
</p>
<p>
    <img src="https://636e-cnczhu-e54acb-1257960360.tcb.qcloud.la/帮助按钮2.png?sign=dddae4f51654724bfccbda6d809b0e17&t=1541083939"/>
</p>
<p>
    <br/>
</p> 问题代码:

wx.cloud.downloadFile({

      fileID: 'cloud://cnczhu-e54acb.636e-cnczhu-e54acb/富文本测试.txt', // 文件 ID

      success: res => {

        // 返回临时文件路径

        console.log(res.tempFilePath)

        var FileManager= wx.getFileSystemManager();

        //console.log(FileManager);

        FileManager.readFile({

          filePath:res.tempFilePath,

          encoding:'utf8',

          success:function(data){  //成功时

            console.log('文件内容',data);

           // WxParse.wxParse('aboutHtml', 'html',data.data, that, 5)

          }

        });//读取本地文件内

      },

      fail: console.error

    })