Java读取RTF模板文件生成Word文档

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新建一个文本文档，用记事本打开，设置编码为CHINESE_GB2312，另存为后缀为test.rtf文件，存在D盘，然后就可以用Word进行模板的编辑了，其中带有$$标识的字符串必须设置为“宋体”。

import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

import org.apache.log4j.Logger;

public class RTFToWordUtil {

	private static Logger logger = Logger.getLogger(RTFToWordUtil.class);
	
	/**
	 * 字符串转换为rtf编码
	 * 
	 * @param content
	 * @return
	 */
	public String strToRtf(String content) {

		StringBuffer sb = new StringBuffer("");
		try {
			char[] digital = "0123456789ABCDEF".toCharArray();
			byte[] bs = null;
			bs = content.getBytes("GB2312");
			int bit;
			for (int i = 0; i < bs.length; i++) {
				bit = (bs[i] & 0x0f0) >> 4;
				sb.append("\\'");
				sb.append(digital[bit]);
				bit = bs[i] & 0x0f;
				sb.append(digital[bit]);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return sb.toString();
	}

	/**
	 * 替换文档的可变部分
	 * 
	 * @param content 文档内容
	 * @param key 标识
	 * @param replacecontent 替换内容
	 * @return
	 */
	public String replaceRTF(String content, String key, String replacecontent) {
		String rc = strToRtf(replacecontent);
		
		String target = content.replace(key, rc);
		
		return target;
	}

	/**
	 * 半角转为全角
	 */
	public String ToSBC(String input) {
		char[] c = input.toCharArray();
		for (int i = 0; i < c.length; i++) {
			if (c[i] == 32) {
				c[i] = (char) 12288;
				continue;
			}
			if (c[i] < 127) {
				c[i] = (char) (c[i] + 65248);
			}
		}
		return new String(c);
	}

	/**
	 * 替换模板
	 * @param map 标识与替换内容
	 * @param sourceFilePath 模板路径
	 * @param targetFilePath 生成Word文档路径
	 */
	public void rgModel(Map map, String sourceFilePath, String targetFilePath) {
		
		/* 字节形式读取模板文件内容,将结果转为字符串 */
		String sourcecontent = "";
		InputStream ins = null;
		try {
			ins = new FileInputStream(sourceFilePath);
			byte[] b = new byte[1024];
			if (ins == null) {
				logger.info(RTFToWordUtil.class.getName()+":源模板文件不存在");
			}
			int bytesRead = 0;
			while (true) {
				bytesRead = ins.read(b, 0, 1024); // return final read bytes
				// counts
				if (bytesRead == -1) {// end of InputStream
					logger.info(RTFToWordUtil.class.getName()+":读取模板文件结束");
					break;
				}
				// convert to string using bytes
				sourcecontent += new String(b, 0, bytesRead);

			}
		} catch (Exception e) {
			e.printStackTrace();
		}

		/* 修改变化部分 */
		String targetcontent = "";
		int i = 0;
		for (String key : map.keySet()) {
			String value = map.get(key);
			if (i == 0) {
				targetcontent = replaceRTF(sourcecontent, key, value);
			} else {
				targetcontent = replaceRTF(targetcontent, key, value);
			}
			i++;
		}
		/* 结果输出保存到文件 */
		try {
			FileWriter fw = new FileWriter(targetFilePath,
					true);
			PrintWriter out = new PrintWriter(fw);
			
			if (targetcontent.equals("") || targetcontent == "") {
				out.println(sourcecontent);
			} else {
				out.println(targetcontent);
			}
			out.close();
			fw.close();
			logger.info(RTFToWordUtil.class.getName()+":生成文件 " + targetFilePath + " 成功");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public static void main(String[] args) {

		RTFToWordUtil oRTF = new RTFToWordUtil();

		Map map = new HashMap();
		map.put("$timetop$", "2008Y10M12D9H-2008Y10M12D6H");
		map.put("$info$", "idea");
		map.put("$idea$", "look");
		map.put("$advice$", "我们参照检\n验药品的方法");
		map.put("$infosend$", "we");
		
		oRTF.rgModel(map, "d:\\test.rtf", "d:\\test.doc");
	}

}

参考文档：
http://www.iteye.com/problems/14849
http://superzhaoxi.iteye.com/blog/621977