poi导出word表格详解

其他 2018-07-30 02:40:32 阅读次数: 0

一、效果如下

二、js代码

function export_word(){ //导出word
    var url = "czzsca/exportWord.do";
    this.export(url);
}
function export(url){
    var currentyear = $("#mainYear").val() * 1;
    var key_columns = ['xh',"d_name","d_unit","d_number","d_estimate","d_lastyear","jnjh","d_remarks","d_depart","d_executeunit"];
    var value_columns = ['序号','项目名称','单位','数量','总概算','至'+(currentyear-1)+'年完成',currentyear+'年计划','附注','责任部门','计划执行单位'];
    window.location.href= url+"?key_columns="+key_columns+"&value_columns="+value_columns+"&title="+currentyear+"年 更新改造计划 正式计划草案";
}

三、controller代码（controller代码比较长，主要是格式化每一行的数据，主要是往工具类里传List<List<String>>参数，泛型的List<String>是每一行，String是每一列）

	//导出word
	@RequestMapping("/exportWord.do")
	@ResponseBody
	public ReturnMsg exportWord(String[] key_columns,String[] value_columns,String title,HttpServletResponse response){
		ReturnMsg rm = new ReturnMsg();
		try {
			response.setCharacterEncoding("UTF-8");
	        response.setContentType("application/msexcle");   
	        response.setHeader("content-disposition", "attachment;filename="+new String("正式计划草案".getBytes("gb2312"),"ISO8859-1")+".doc");
	        List<List<String>> content = new ArrayList<List<String>>();
	        List<List<String>> head = new ArrayList<List<String>>();
	        String jnjhzh = new BigDecimal(this.map.get("jnjhzh")==null||"".equals(this.map.get("jnjhzh")+"")?"0":this.map.get("jnjhzh")+"").setScale(1, RoundingMode.UP)+"";
	        String trimpro = new BigDecimal(this.map.get("tzjh")==null||"".equals(this.map.get("tzjh")+"")?"0":this.map.get("tzjh")+"").setScale(1, RoundingMode.UP)+"";
	        String temp = new BigDecimal(trimpro).subtract(new BigDecimal(jnjhzh))+"";
	        if("0".equals(temp)) {
	        	temp = "";
	        }
	        head = ExportUtil.getCzzscaList(jnjhzh, trimpro, temp);
	        Map dounit = new HashMap();
	        dounit.put("dwlx", 0);
	        dounit.put("user_type", 1);
            List<Map> d_executeunit = unitDao.selectByPrimaryKey(dounit);
            Map zrbm = new HashMap();
            zrbm.put("dwlx", 1);
            zrbm.put("user_type", 1);
            List<Map> d_zrbm = unitDao.selectByPrimaryKey(zrbm);
            List<Map> zmtype = nd_caController.findProType("2-3-4");
        	for (Map map: this.list) {
            	List<String> row = new ArrayList<String>();
            	for (int i = 0; i < key_columns.length; i++) {
            		System.out.print(map.get(key_columns[i])+",");
            		Object Otzjh = map.get("tzjh")!=null?map.get("tzjh"):0;
            		Object Ojnjh = map.get("jnjh")!=null?map.get("jnjh"):0;
            		BigDecimal tzjh = null;
            		BigDecimal jnjh = null;
            		if ("tzjh".equals(key_columns[i])||"jnjh".equals(key_columns[i])||"d_lnorde".equals(key_columns[i])) {
            			if(Otzjh instanceof BigDecimal) {
                			tzjh = (BigDecimal)Otzjh;
                		}else {
    						tzjh = new BigDecimal(Otzjh+"");
    					}
                		if(Ojnjh instanceof BigDecimal) {
                			jnjh = (BigDecimal)Ojnjh;
                		}else {
                			jnjh = new BigDecimal(Ojnjh+"");
    					}
                		
            		}
            		if ("d_lnorde".equals(key_columns[i])) {
            			if(map.get("flag")!=null&&"2".equals((map.get("flag")+""))) {
            				row.add("");
            			}else {
            				row.add(tzjh.subtract(jnjh).setScale(1, RoundingMode.UP)+""); //不为整数则四舍五入
    					}
					}else if ("xh".equals(key_columns[i])&&map.get("xh")!=null) {
            			if(map.get("xh").toString().indexOf("、")>-1) {
            				row.add(map.get("xh").toString().replace("、", "").trim());
            			}else {
            				row.add(map.get("xh")+""); //不为整数则四舍五入
    					}
					}else if("tzjh".equals(key_columns[i])&&map.get("tzjh")!=null) { 
						if(ExportUtil.isNumeric(tzjh+"")) { //判断相减是否为整数
							row.add(tzjh+"");
        				}else {
        					String stzjh = tzjh.setScale(1, RoundingMode.UP)+"";
        					row.add("0".equals(stzjh.charAt(stzjh.indexOf(".")+1)+"")?stzjh.replace(".0", ""):stzjh);//不为整数则四舍五入
						}
					}else if("d_estimate".equals(key_columns[i])&&map.get("d_estimate")!=null) { 
						if("0".equals(map.get("d_estimate")+"")) {
							row.add("");
						}else {
							row.add(map.get("d_estimate")+"");
						}
					}else if("d_number".equals(key_columns[i])&&map.get("d_number")!=null) { 
						if("0".equals(map.get("d_number")+"")) {
							row.add("");
						}else {
							row.add(map.get("d_number")+"");
						}
					}else if("jnjh".equals(key_columns[i])&&map.get("jnjh")!=null) { 
						if(ExportUtil.isNumeric(jnjh+"")) { //判断相减是否为整数
							row.add(jnjh+"");
        				}else {
        					String sjnjh = jnjh.setScale(1, RoundingMode.UP)+"";
        					row.add("0".equals(sjnjh.charAt(sjnjh.indexOf(".")+1)+"")?sjnjh.replace(".0", ""):sjnjh); //不为整数则四舍五入
						}
					}else if("d_pro_type".equals(key_columns[i])&&map.get("d_pro_type")!=null) { 
						for (Map m : zmtype) {
							if((map.get("d_pro_type")+"").equals(m.get("TYPE_ID")+"")){
								row.add(m.get("NUM")+"");
								break;
							}
						}
	            	}else if("d_depart".equals(key_columns[i])&&map.get("d_depart")!=null) { 
	            		String d_depart = map.get("d_depart")+"";
	            		String depart = "";
            			for (Map m : d_zrbm) {
            				if((d_depart).indexOf(",")>-1) {
            					for (String string : d_depart.split(",")) {
            						if((string).equals(m.get("ID")+"")) {
            							depart += ","+m.get("UNITNAME")+"";
            							break;
                					}
								}
            				}else {
            					if((d_depart).equals(m.get("ID")+"")) {
            						depart = ","+m.get("UNITNAME")+"";
            						break;
            					}
            				}
						}
            			if (StringUtils.isNotBlank(depart)) {
            				depart = depart.substring(1, depart.length()).replace(",", "\r ");
            				row.add(depart);
						}else {
							row.add("");
						}
					}else if("d_executeunit".equals(key_columns[i])&&map.get("d_executeunit")!=null) { 
						boolean flag;
            			for (Map m : d_executeunit) {
            				flag = false;
            				String executeunit = map.get("d_executeunit")+"";
            				if((executeunit).indexOf(",")>-1) {
            					for (String string : executeunit.split(",")) {
            						if((string).equals(m.get("ID")+"")) {
            							row.add((m.get("UNITNAME")+"").trim());
                						flag = true;
                						break;
                					}
								}
            					if (flag) {
            						break;
								}
            					
            				}else {
            					if((executeunit).equals(m.get("ID")+"")) {
            						row.add((m.get("UNITNAME")+"").trim());
            						break;
            					}
            				}
						}
            		}else {
            			if(map.get(key_columns[i])==null) {
            				row.add("");
            			}else {
            				row.add((map.get(key_columns[i])+"").trim());
						}
					}
    			}
            	content.add(row);
			}
        	head.addAll(content);
        	int[] colWidths = new int[] { 600, 3000, 500, 500, 800, 800 ,800,3000,800,1500};  
			XWPFDocument document = ExportUtil.exportWord(title,value_columns, head,colWidths,1,7);
			OutputStream out =  response.getOutputStream();  
	        document.write(out);
	        out.close();
	        rm.setCode("1");
			rm.setMsg("导出成功");
		} catch (Exception e) {
			e.printStackTrace();
			rm.setCode("0");
			rm.setMsg("导出失败，请刷新重试。");
		}
		return rm;
	}

四、工具类代码

	/**
	 * 
	 * @Date 2018年7月19日 上午11:19:04
	 * @Description 导出word 
	 * @Fcunction exportWord
	 * @param title
	 * @param value_columns
	 * @param list
	 * @return XWPFDocument
	 *
	 */
	public static XWPFDocument exportWord(String title,String[] value_columns, List<List<String>> list,int[] colWidths,int one,int two) {
		XWPFDocument doc= new XWPFDocument();
		
		CTDocument1 document = doc.getDocument(); 
	    CTBody body = document.getBody(); 
	    if(!body.isSetSectPr()){ 
	         body.addNewSectPr(); 
	    } 
	    CTSectPr section = body.getSectPr(); 

	    if(!section.isSetPgSz()){ 
	        section.addNewPgSz(); 
	    } 
	    CTPageSz pageSize = section.getPgSz(); 
	    pageSize.setW(BigInteger.valueOf(15840));
	    pageSize.setH(BigInteger.valueOf(12240));
	    pageSize.setOrient(STPageOrientation.LANDSCAPE);
		
		//添加标题
	    XWPFParagraph titleParagraph = doc.createParagraph();
	    
	    //设置段落居中
	    titleParagraph.setAlignment(ParagraphAlignment.CENTER);
	
	    XWPFRun titleParagraphRun = titleParagraph.createRun();
	    titleParagraphRun.setText(title);
	    titleParagraphRun.setColor("000000");
	    titleParagraphRun.setFontSize(20);
	
	    //表格
	    XWPFTable ComTable = doc.createTable();
	    
	    //设置指定宽度
	    CTTbl ttbl = ComTable.getCTTbl(); 
	    CTTblGrid tblGrid = ttbl.addNewTblGrid();
	    for (int i : colWidths) {
	    	CTTblGridCol gridCol = tblGrid.addNewGridCol();  
	    	gridCol.setW(new BigInteger(i+""));  
		}
	    
	    //表头
	    XWPFTableRow rowHead = ComTable.getRow(0);
	    XWPFParagraph cellParagraph = rowHead.getCell(0).getParagraphs().get(0);
	    cellParagraph.setAlignment(ParagraphAlignment.CENTER); //设置表头单元格居中
	    XWPFRun cellParagraphRun  = cellParagraph.createRun();
		cellParagraphRun.setFontSize(10); //设置表头单元格字号
		cellParagraphRun.setBold(true); //设置表头单元格加粗
		cellParagraphRun.setText(value_columns[0]);
	    for (int i = 1; i < value_columns.length; i++) {
	    	if(value_columns[i].indexOf("增减")>-1) {
	    		cellParagraph = rowHead.addNewTableCell().getParagraphs().get(0);
	    		cellParagraph.setAlignment(ParagraphAlignment.CENTER); //设置表头单元格居中
	    		cellParagraphRun  = cellParagraph.createRun();
				cellParagraphRun.setFontSize(10); //设置表头单元格居中
				cellParagraphRun.setBold(true);
				cellParagraphRun.setText("增减(+ / -)");
			}else {
				cellParagraph = rowHead.addNewTableCell().getParagraphs().get(0);
	    		cellParagraph.setAlignment(ParagraphAlignment.CENTER); //设置表头单元格居中
	    		cellParagraphRun  = cellParagraph.createRun();
				cellParagraphRun.setFontSize(10); //设置表头单元格居中
				cellParagraphRun.setBold(true); //设置表头单元格加粗
				cellParagraphRun.setText(value_columns[i]);
			}
		}
	    int rows = list.size();
	    //表格内容
	    for (int i = 0; i < rows; i++) {
	    	XWPFTableRow rowsContent = ComTable.createRow();
	    	for (int j = 0; j < list.get(i).size(); j++) {
	    		XWPFParagraph cellParagraphC = rowsContent.getCell(j).getParagraphs().get(0);
	    		if(j!=one&&j!=two) {
	    			cellParagraphC.setAlignment(ParagraphAlignment.CENTER); //设置表格内容居中
	    		}
	    		XWPFRun cellParagraphRunC  = cellParagraphC.createRun();
	    		cellParagraphRunC.setFontSize(10); //设置表格内容字号
	    		cellParagraphRunC.setText(list.get(i).get(j)+""); //单元格段落加载内容
			}
	    }
	    if(rows==0) {
	    	for (int i = 0; i < value_columns.length; i++) {
	    		XWPFTableCell cell = ComTable.getRow(0).getCell(i);
	            cell.setVerticalAlignment(XWPFTableCell.XWPFVertAlign.CENTER); //垂直居中
			}
	    }else {
	        //设置居中
	        for (int i = 0; i <= rows; i++) {
	            for (int j = 0; j < list.get(0).size(); j++) {
	                XWPFTableCell cell = ComTable.getRow(i).getCell(j);
	                cell.setVerticalAlignment(XWPFTableCell.XWPFVertAlign.CENTER); //垂直居中
	            }
	        }
		}
		return doc;
	}

	/**
	 * 
	 * @Date 2018年7月19日 上午11:19:21
	 * @Description 判断是否是整数 
	 * @Fcunction isNumeric
	 * @param str
	 * @return boolean
	 *
	 */
	public static boolean isNumeric(String str) {
		if(str.indexOf(".")>0) {
			return false;
		}
		return true;
	}
	
	/**
	 * 
	 * @Date 2018年7月19日 上午11:44:48
	 * @Description 正式计划草案获取前两行 
	 * @Fcunction getCzzscaList
	 * @param jnjhzh
	 * @param trimpro
	 * @param temp
	 * @return List<List<String>>
	 *
	 */
	public static List<List<String>> getCzzscaList(String jnjhzh,String trimpro,String temp) {
		List<List<String>> list = new ArrayList<List<String>>();
		List<String> l1 = new ArrayList<String>(); //固定第一行
	    l1.add(""); 
	    l1.add("年度总计"); 
	    l1.add(""); 
	    l1.add(""); 
	    l1.add(""); 
	    l1.add(""); 
	    l1.add(jnjhzh); 
	    l1.add(""); 
	    l1.add(""); 
	    l1.add(""); 
	    list.add(l1);
	    List<String> l2 = new ArrayList<String>(); //固定第二行
	    l2.add("");
	    l2.add("搜索总计");
	    l2.add("");
	    l2.add("");
	    l2.add("");
	    l2.add("");
	    l2.add("");
//	    l2.add(trimpro+"\r100%");
	    l2.add("");
	    l2.add("");
	    l2.add("");
	    list.add(l2);
		return list;
	}

五、详解：

1.设置纸张大小

（1）创建完XWPFDocument后，默认为A4纸张，如需调整纸张大小，这里我是要用A3大小使用如下代码

XWPFDocument doc= new XWPFDocument();
CTDocument1 document = doc.getDocument(); 
CTBody body = document.getBody(); 
if(!body.isSetSectPr()){ 
    body.addNewSectPr(); 
} 
CTSectPr section = body.getSectPr(); 

if(!section.isSetPgSz()){ 
    section.addNewPgSz(); 
} 
CTPageSz pageSize = section.getPgSz(); 
pageSize.setW(BigInteger.valueOf(15840));
pageSize.setH(BigInteger.valueOf(12240));
pageSize.setOrient(STPageOrientation.LANDSCAPE);

（2）默认A4纸张大小的话只用XWPFDocument

XWPFDocument doc= new XWPFDocument();

（3）使用CTPageSz类需要导入ooxml-schemas的jar包（所有需要的jar包maven依赖在底部）

2.单元格列宽度

（1）每一列宽度相等自适应，不需单独设置每一列宽度的话使用如下代码

//表格
XWPFTable ComTable = doc.createTable();
//表格自适应宽度
CTTblWidth comTableWidth = ComTable.getCTTbl().addNewTblPr().addNewTblW();
comTableWidth.setType(STTblWidth.DXA);
comTableWidth.setW(BigInteger.valueOf(9072));

（2）单独设置每列宽度

//表格
XWPFTable ComTable = doc.createTable();	    
//设置指定宽度
CTTbl ttbl = ComTable.getCTTbl(); 
CTTblGrid tblGrid = ttbl.addNewTblGrid();
int[] colWidths = new int[] { 600, 3000, 500, 500, 800, 800 ,800,3000,800,1500};  
for (int i : colWidths) {
    CTTblGridCol gridCol = tblGrid.addNewGridCol();  
    gridCol.setW(new BigInteger(i+""));  
}

（3）使用CTTblGrid类需要导入poi-ooxml-schemas的jar包（所有需要的jar包maven依赖在底部）

3.单元格内字体样式

（1）不需要设置单元格字体

for (int i = 0; i < rows; i++) {
    XWPFTableRow rowsContent = ComTable.createRow();
    for (int j = 0; j < list.get(i).size(); j++) {    
        rowsContent.getCell(j).setText(list.get(i).get(j)+""); //用单元格加载内容
    }
}

（2）设置单元格内字体字号、是否加粗

for (int i = 0; i < rows; i++) {
    XWPFTableRow rowsContent = ComTable.createRow();
    for (int j = 0; j < list.get(i).size(); j++) {
        XWPFParagraph cellParagraphC = rowsContent.getCell(j).getParagraphs().get(0);
        if(j!=1&&j!=7) {
            cellParagraphC.setAlignment(ParagraphAlignment.CENTER); //设置表格内容居中
        }
        XWPFRun cellParagraphRunC  = cellParagraphC.createRun();
        cellParagraphRunC.setFontSize(10); //设置表格内容字号
        cellParagraphRun.setBold(true); //设置表头单元格加粗
        cellParagraphRunC.setText(list.get(i).get(j)+""); //单元格段落加载内容
    }
}

4.单元格居中（水平居中、垂直居中）

（1）使用单元格加载内容

for (int i = 0; i < value_columns.length; i++) {
    XWPFTableCell cell = ComTable.getRow(0).getCell(i);
    cell.setVerticalAlignment(XWPFTableCell.XWPFVertAlign.CENTER); //垂直居中
    CTTc cttc = cell.getCTTc();
    CTP ctp = cttc.getPList().get(0);
    CTPPr ctppr = ctp.getPPr();
    if (ctppr == null) {
        ctppr = ctp.addNewPPr();
    }
    CTJc ctjc = ctppr.getJc();
    if (ctjc == null) {
        ctjc = ctppr.addNewJc();
    }
    ctjc.setVal(STJc.CENTER); //水平居中
}

（2）使用单元格的段落加载内容，只用调用垂直居中的方法

for (int i = 0; i < value_columns.length; i++) {
    XWPFTableCell cell = ComTable.getRow(0).getCell(i);
    cell.setVerticalAlignment(XWPFTableCell.XWPFVertAlign.CENTER); //垂直居中
}

水平居中在3-(2)里调用了段落的方法居中过了

cellParagraphC.setAlignment(ParagraphAlignment.CENTER);

六、使用到的Maven依赖

<dependency>
    <groupId>org.apache.xmlbeans</groupId>
    <artifactId>xmlbeans</artifactId>
    <version>2.6.0</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.9</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>ooxml-schemas</artifactId>
    <version>1.1</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml-schemas</artifactId>
    <version>3.16</version>
</dependency>

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