/**
 * 2017-5-15
 */

package com.xfzx.test.POI.main;

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.Iterator;
import java.util.Map;


/**
 * @author ThinkPad
 *
 */
public class ReportToWord {

    /** 
     * 替换动态文档 
     * @param content 
     * @param markersign 
     * @param replacecontent 
     * @return 
     */  
    public String replaceStr(String content, String markersign,  
            String replacecontent) {  
        //String rc = strToRtf(replacecontent);  
        String rc = encode2HtmlUnicode(replacecontent);  
        String target = "";  
        markersign = "$" + markersign + "$";  
        target = content.replace(markersign, rc);  
        return target;  
    }  
      
    /** 
     * 把给定的str转换为10进制表示的unicode 
     * 目前只是用于mht模板的转码 
     * @param str 
     * @return 
     */  
    public String encode2HtmlUnicode(String str) {  
      
    if(str == null) return "";  
      
    StringBuilder sb = new StringBuilder(str.length() * 2);  
    for (int i = 0; i < str.length(); i++) {  
        sb.append(encode2HtmlUnicode(str.charAt(i)));  
    }  
    return sb.toString();  
    }  
      
    public String encode2HtmlUnicode(char character) {  
    if (character > 255) {  
        return "&#" + (character & 0xffff) + ";";  
    } else {  
        return String.valueOf(character);  
    }  
    }  
      
      
  
    /** 
     * 读取和输出文件 
     * @param inputPath 
     * @param outPath 
     * @param data 
     */  
    public void rgModel(String inputPath, String outPath, Map<String, String> data) {  
        /* 字节形式读取模板文件内容,将结果转为字符串 */  
        String sourname = inputPath;  
        String sourcecontent = "";  
        InputStream ins = null;  
        try {  
            ins = new FileInputStream(sourname);  
            byte[] b = new byte[1638400];// 提高对文件的读取速度，特别是对于1M以上的文件  
            if (ins == null) {  
                System.out.println("源模板文件不存在");  
            }  
            int bytesRead = 0;  
            while (true) {  
                bytesRead = ins.read(b, 0, 1638400);  
                if (bytesRead == -1) {  
                    System.out.println("读取模板文件结束");  
                    break;  
                }  
                sourcecontent += new String(b, 0, bytesRead);  
            }  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
          
        /* 修改变化部分 */  
        String targetcontent = "";  
        String oldText = "";  
        Object newValue;  
        /* 结果输出保存到文件 */  
        try {  
            Iterator<String> keys = data.keySet().iterator();  
            int keysfirst = 0;  
            while (keys.hasNext()) {  
                oldText = (String) keys.next();  
                newValue = data.get(oldText);  
                String newText = (String) newValue;  
                if (keysfirst == 0) {  
                    targetcontent = replaceStr(sourcecontent, oldText, newText);  
                    keysfirst = 1;  
                } else {  
                    targetcontent = replaceStr(targetcontent, oldText, newText);  
                    keysfirst = 1;  
                }  
            }  
  
            FileWriter fw = new FileWriter(outPath, true);  
            PrintWriter out = new PrintWriter(fw);  
            if (targetcontent.equals("") || targetcontent == "") {  
                out.println(sourcecontent);  
            } else {  
                out.println(targetcontent);  
            }  
            out.close();  
            fw.close();  
            System.out.println(outPath + " 生成文件成功");  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
    }  
      
    public static void main(String[] args) {  
        ReportToWord oRTF = new ReportToWord();  
  
        // *****************************************  
        // 利用HashMap读取数据库中的数据  
        HashMap<String, String> map = new HashMap<String, String>();  
        map.put("timetop", "张三");  
        map.put("info", "0155");  
        map.put("idea", "公元前2000年");  
        map.put("advice", "13");  
        map.put("infosend", "168");  
        // ******************************************  
        oRTF.rgModel("D:\\qst.txt", "d:\\LC-OUT.doc", map);  
        System.out.println("map:"+map);
    }  
}