/**
* 创建模板输出器
*
* @param ch nio字节流写通道
* @param encoding 编码集
* @throws IOException 构造对象时产生IO错误
*/
public TemplateWriter(WritableByteChannel ch, Charset charset) throws IOException {
this.writer = SimpleOutputStreamWriter.forWritableByteChannel(ch, charset);
this.ch = ch;
}
