使用POI操作Excel修改模板(批量替换excel中的数据)

使用POI操作Excel修改模板(批量替换excel中的数据)

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

/**
* Created by sunming on 2017/12/13.
*/
public class ExcelUtils {

/**
* 替换Excel模板文件内容
* @param item 文档数据
* @param sourceFilePath Excel模板文件路径
* @param targetFilePath Excel生成文件路径
*/
public static boolean replaceModel(Map item, String sourceFilePath, String targetFilePath) {
boolean bool = true;
try {

POIFSFileSystem fs  =new POIFSFileSystem(new FileInputStream(sourceFilePath));
HSSFWorkbook wb = new HSSFWorkbook(fs);
HSSFSheet sheet = wb.getSheetAt(0);
Iterator rows = sheet.rowIterator();
while(rows.hasNext()){
HSSFRow row = (HSSFRow) rows.next();
if(row!=null) {
int num = row.getLastCellNum();
for(int i=0;i<num;i++) {
HSSFCell cell=  row.getCell(i);
if(cell!=null) {
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
}
if(cell==null || cell.getStringCellValue()==null) {
continue;
}
String value= cell.getStringCellValue();
if(!"".equals(value)) {
Set<String> keySet = item.keySet();
Iterator<String> it = keySet.iterator();
while (it.hasNext()) {
String text = it.next();
if(value.equalsIgnoreCase(text)) {
cell.setCellValue((String)item.get(text));
break;
}
}
} else {
cell.setCellValue("");
}
}
}
}

// 输出文件
FileOutputStream fileOut = new FileOutputStream(targetFilePath);
wb.write(fileOut);
fileOut.close();

} catch (Exception e) {
bool = false;
e.printStackTrace();
}
return bool;
}

// 测试
public static void main(String[] args) {

Map item = new HashMap();
item.put("L-00001","L-00012");
item.put("L-00002","L-00013");
item.put("L-00003","L-00014");

String path =  "C:\\Users\\sunming\\Desktop\\22\\22.xls";
String path2 = "C:\\Users\\sunming\\Desktop\\22\\33.xls";
replaceModel(item, path, path2);

}

}