package com.gkhy.exam.admin.controller.system;
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import org.apache.poi.poifs.filesystem.DirectoryEntry;
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import org.apache.poi.poifs.filesystem.DocumentEntry;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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import java.util.Map;
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@RestController
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public class WordExportController {
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@ResponseBody
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@RequestMapping(value = "download")
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public int download(HttpServletResponse response, HttpServletRequest request)throws Exception {
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String content = "<h1>标题头</h1><h2>第二个标题</h2><a href=\"www.baidu.com\">百度搜索</a>";
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StringBuffer sbf = new StringBuffer();
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sbf.append("<html><body>");
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sbf.append(content);
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sbf.append("</body></html");
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exportWord(request,response,String.valueOf(sbf),"word1");
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return 1;
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}
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/**
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*
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* @param request
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* @param response
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* @param content 富文本内容
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* @param fileName 生成word名字
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* @throws Exception
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*/
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public static void exportWord(HttpServletRequest request, HttpServletResponse response, String content, String fileName) throws Exception {
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byte b[] = content.getBytes("GBK"); //这里是必须要设置编码的，不然导出中文就会乱码。
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ByteArrayInputStream bais = new ByteArrayInputStream(b);//将字节数组包装到流中
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POIFSFileSystem poifs = new POIFSFileSystem();
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DirectoryEntry directory = poifs.getRoot();
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DocumentEntry documentEntry = directory.createDocument("WordDocument", bais); //该步骤不可省略，否则会出现乱码。
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//输出文件
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request.setCharacterEncoding("utf-8");
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response.setContentType("application/msword");//导出word格式
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response.addHeader("Content-Disposition", "attachment;filename=" + new String(fileName.getBytes("GB2312"),"iso8859-1") + ".doc");
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ServletOutputStream ostream = response.getOutputStream();
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poifs.writeFilesystem(ostream);
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bais.close();
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ostream.close();
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poifs.close();
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}
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}
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