学习笔记－使用poi替换word内容

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所需用到的maven依赖

word内容替换

Service层

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import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.model.FieldsDocumentPart;
import org.apache.poi.hwpf.usermodel.Field;
import org.apache.poi.hwpf.usermodel.Fields;
import org.apache.poi.hwpf.usermodel.Range;
import org.springframework.stereotype.Service;
@Service
public class WordService {
	public void readwriteWord(String sourcefilePath, String filepath, String fileName, Map<String, String> map) {
		// 读取word模板
		FileInputStream in = null;
		try {
			in = new FileInputStream(new File(sourcefilePath));
		} catch (FileNotFoundException e1) {
			e1.printStackTrace();
		}
		HWPFDocument hdt = null;
		try {
			hdt = new HWPFDocument(in);
		} catch (IOException e1) {
			e1.printStackTrace();
		}
		Fields fields = hdt.getFields();
		Iterator<Field> it = fields.getFields(FieldsDocumentPart.MAIN).iterator();
		while (it.hasNext()) {
			System.out.println(it.next().getType());
		}
		// 读取word文本内容
		Range range = hdt.getRange();
		// 替换文本内容
		for (Map.Entry<String, String> entry : map.entrySet()) {
			range.replaceText(entry.getKey(), entry.getValue());
		}
		ByteArrayOutputStream ostream = new ByteArrayOutputStream();
		FileOutputStream out = null;
		try {
			out = new FileOutputStream(filepath + fileName, true);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		try {
			hdt.write(ostream);
		} catch (IOException e) {
			e.printStackTrace();
		}
		// 输出字节流
		try {
			out.write(ostream.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		try {
			out.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		try {
			ostream.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

Controller层

根据word模版生成文件，并下载

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import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.io.FileUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import tk.jiemin.gx.service.WordService;
@Controller
public class IndexController {
	@Resource
	WordService wordService;
	@RequestMapping("/download")
	public ResponseEntity<byte[]> export(@RequestParam("company") String company, HttpServletRequest request)
			throws IOException {
		String path = request.getSession().getServletContext().getRealPath("/");
		Map<String, String> map = new HashMap<String, String>();
		map.put("${company}", company);
		String srcPath = "/Users/zjm/Documents/tongda/1、高新技术企业认定委托协议书.doc";
		String fileName = "1、高新技术企业认定委托协议书"+"_"+company+ ".doc";
		wordService.readwriteWord(srcPath, path, fileName, map);
		File file = new File(path + fileName);
		HttpHeaders headers = new HttpHeaders();
		String fn = new String(fileName.getBytes("UTF-8"), "iso-8859-1");
		headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
		headers.setContentDispositionFormData("attachment", fn);
		return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file), headers, HttpStatus.CREATED);
	}
}