JAVA 生成导入EXCEL模板
student.xml
<tr height="16px">
<td rowspan="1" colspan="6" value="学生信息导入" />
</tr>
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.jdom.Attribute;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.junit.Test;
import java.io.File;
import java.io.FileOutputStream;
import java.util.List;
/**
* 创建Excel导入模板
*/
public class CreteTemplate {
@Test
public void test() {
{
String path = System.getProperty("user.dir") + "\\student.xml";
System.out.println("解析的XML路径为：" + path);
File file = new File(path);
SAXBuilder builder = new SAXBuilder();
try {
//解析XML
Document parse = builder.build(file);
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("Sheet0");
Element root = parse.getRootElement();
String templateName = root.getAttribute("name").getValue();
int rownum = 0;
int column = 0;
//设置列宽
Element colgroup = root.getChild("colgroup");
setColumnWidth(sheet, colgroup);
//设置标题
Element title = root.getChild("title");
List trs = title.getChildren("tr");
for (int i = 0; i < trs.size(); i++) {
Element tr = trs.get(i);
List tds = tr.getChildren("td");
HSSFRow row = sheet.createRow(rownum);
HSSFCellStyle cellStyle = wb.createCellStyle();
cellStyle.setAlignment(HorizontalAlignment.CENTER);
for (column = 0; column < tds.size(); column++) {
Element td = tds.get(column);
HSSFCell cell = row.createCell(column);
Attribute rowSpan = td.getAttribute("rowspan");
Attribute colSpan = td.getAttribute("colspan");
Attribute value = td.getAttribute("value");
if (value != null) {
String val = value.getValue();
cell.setCellValue(val);
int rspan = rowSpan.getIntValue() - 1;
int cspan = colSpan.getIntValue() - 1;
//设置字体
HSSFFont font = wb.createFont();
font.setFontName("仿宋_GB2312");
font.setBold(true);
font.setFontHeightInPoints((short) 12);
cellStyle.setFont(font);
cell.setCellStyle(cellStyle);
//合并单元格居中
sheet.addMergedRegion(new CellRangeAddress(rspan, rspan, 0, cspan));
}
}
rownum++;
}
//设置表头
Element thead = root.getChild("thead");
trs = thead.getChildren("tr");
for (int i = 0; i < trs.size(); i++) {
Element tr = trs.get(i);
HSSFRow row = sheet.createRow(rownum);
List ths = tr.getChildren("th");
for (column = 0; column < ths.size(); column++) {
Element th = ths.get(column);
Attribute valueAttr = th.getAttribute("value");
HSSFCell cell = row.createCell(column);
if (valueAttr != null) {
String value = valueAttr.getValue();
cell.setCellValue(value);
}
}
rownum++;
}
//设置数据区域样式
Element tbody = root.getChild("tbody");
Element tr = tbody.getChild("tr");
int repeat = tr.getAttribute("repeat").getIntValue();
List tds = tr.getChildren("td");
for (int i = 0; i < repeat; i++) {
HSSFRow row = sheet.createRow(rownum);
for (column = 0; column < tds.size(); column++) {
Element td = tds.get(column);
HSSFCell cell = row.createCell(column);
setType(wb, cell, td);
}
rownum++;
}
//生成Excel导入模板
File tempFile = new File("./" + templateName + ".xls");
tempFile.delete();
tempFile.createNewFile();
FileOutputStream stream = FileUtils.openOutputStream(tempFile);
wb.write(stream);
stream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* 设置单元格样式
*
* @param wb
* @param cell
* @param td
*/
private static void setType(HSSFWorkbook wb, HSSFCell cell, Element td) {
Attribute cellTypeAttr = td.getAttribute("type");
String cellType = cellTypeAttr.getValue();
HSSFDataFormat format = wb.createDataFormat();
HSSFCellStyle cellStyle = wb.createCellStyle();
if ("NUMERIC".equalsIgnoreCase(cellType)) {
cell.setCellType(CellType.NUMERIC);
Attribute cellFormatAttr = td.getAttribute("format");
String cellFormatValue = cellFormatAttr.getValue();
cellFormatValue = StringUtils.isNotBlank(cellFormatValue) ? cellFormatValue : "#,##0.00";
cellStyle.setDataFormat(format.getFormat(cellFormatValue));
} else if ("STRING".equalsIgnoreCase(cellType)) {
cell.setCellValue("");
cell.setCellType(CellType.STRING);
cellStyle.setDataFormat(format.getFormat("@"));
} else if ("DATE".equalsIgnoreCase(cellType)) {
cell.setCellType(CellType.NUMERIC);
cellStyle.setDataFormat(format.getFormat("yyyy-m-d"));
} else if ("ENUM".equalsIgnoreCase(cellType)) {
CellRangeAddressList regions =
new CellRangeAddressList(cell.getRowIndex(), cell.getRowIndex(),
cell.getColumnIndex(), cell.getColumnIndex());
Attribute enumAttr = td.getAttribute("format");
String enumValue = enumAttr.getValue();
//加载下拉列表内容
DVConstraint constraint =
DVConstraint.createExplicitListConstraint(enumValue.split(","));
//数据有效性对象
HSSFDataValidation dataValidation = new HSSFDataValidation(regions, constraint);
wb.getSheetAt(0).addValidationData(dataValidation);
}
cell.setCellStyle(cellStyle);
}
/**
* 设置列宽
*
* @param sheet 待的Excel sheet
* @param colgroup XML模板属性
*/
private static void setColumnWidth(HSSFSheet sheet, Element colgroup) {
List cols = colgroup.getChildren("col");
for (int i = 0; i < cols.size(); i++) {
Element col = cols.get(i);
Attribute width = col.getAttribute("width");
String unit = width.getValue().replaceAll("[0-9,\\.]", "");
String value = width.getValue().replaceAll(unit, "");
int v = 0;
if (StringUtils.isBlank(unit) || "px".endsWith(unit)) {
v = Math.round(Float.parseFloat(value) * 37F);
} else if ("em".endsWith(unit)) {
v = Math.round(Float.parseFloat(value) * 267.5F);
}
sheet.setColumnWidth(i, v);
}
}
}
4.0.0
vip.fkandy
excel_export_import
1.0-SNAPSHOT
net.sourceforge.jexcelapi
jxl
2.6.12
org.apache.poi
poi
3.17
org.apache.poi
poi-ooxml
3.17
commons-io
commons-io
2.6
jdom
jdom
1.1
org.apache.commons
commons-lang3
3.7
junit
junit
4.12
test