/**
* Writer: fuanyu
* Date : 13-11-28
* Time : 下午4:36
*/
@SuppressWarnings("unchecked")
public class ImportExcel extends ArchiveArrangeServiceCmd {
Map param;
IFile file;
public ImportExcel(IFile file, Map param) {
this.param = param;
this.file = file;
}
@Override
public Object execute(CommandContext context) throws Exception {
String extType = "";
int fileType = file.getName().lastIndexOf(".");
if (fileType != -1)
extType = file.getName().substring(fileType, file.getName().length());
if (".xls".equals(extType) || ".xlsx".equals(extType)) {
} else {
return "上传文件的格式不对";
}
User user = SysUtils.getLoginUser();
if (user == null) return null;
Map userDataMap = (Map) ((SysPermissionService) this.getService(SysPermissionService.class)).getLoginUserDetails();
String INITUNITID = Tools.o2s(userDataMap.get("$primaryOrgId"));
String INITUNITNAME = Tools.o2s(userDataMap.get("$primaryOrgName"));
String dataSourceId = (String) param.get("dataSourceId");
DataSourceEngine dataSourceEngine = Context.getService(DataSourceEngine.class);
DataSource dataSource = dataSourceEngine.getDataSource(dataSourceId);
Timestamp timestamp = new Timestamp(System.currentTimeMillis());
POIFSFileSystem fs = new POIFSFileSystem(file.getInputStream());
HSSFWorkbook wb = new HSSFWorkbook(fs);
HSSFSheet sheet = wb.getSheetAt(0);
Iterator rows = sheet.rowIterator();
Map columns = new HashMap();
if (param.get("columns") != null) {//从配置中查找的列名与值
String columnsVal = (String) param.get("columns");
columns = JsonConverter.jos2obj(columnsVal, Map.class);
}
Map newMap = new HashMap();
newMap.put("dataSoureId", dataSourceId);
List<Column> listColumn = (List<Column>) this.getService(AmsArchiveArrangeService.class).getTableColumns(newMap);
List<String> dateList = new ArrayList<String>();
for (Column dsColumn : listColumn) { //所有数据源字段
if (dsColumn.getIsDateTimeColumn() == true) {
dateList.add(dsColumn.getColumnName());
}
}
Map formData = new HashMap();
String[] cloumn = new String[100];
$remove(AmsTImportConfig.class, "type", ArrangeConstant.IMPORT_TYPE, "dataSourceId", dataSourceId);
int successNum = 0;
DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串
DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字
while (rows.hasNext()) {
HSSFRow row = (HSSFRow) rows.next();
if (row.getRowNum() == 0) {
int num = row.getLastCellNum();
cloumn = new String[num];
for (int k = 0; k < num; k++) {
String fieldName = row.getCell(k).toString();
if (fieldName != null && fieldName.length() > 0) {
String columnName = (String) param.get(fieldName);
if (columnName != null && columnName.length() > 0) {
AmsTImportConfig config = new AmsTImportConfig();
config.setSn(k);
config.setDataSourceId(dataSourceId);
config.setType(ArrangeConstant.IMPORT_TYPE);
config.setExcelFieldName(fieldName);
config.setSrcFieldName(columnName);
$save(config);
/// AmsTImportConfig config = psql("t_import_config").cp("dataSourceId", dataSourceId).cp("fieldName",fieldName).exec().asObject(AmsTImportConfig.class);
cloumn[k] = columnName;
} else {
cloumn[k] = "";
}
}
}
} else {
formData.clear();
int num = row.getLastCellNum();
/**
*
*CellType 类型 值CELL_TYPE_NUMERIC 数值型 0 ，整型中还包括着日期类型
* CELL_TYPE_STRING 字符串型 1
* CELL_TYPE_FORMULA 公式型 2
* CELL_TYPE_BLANK 空值 3
* CELL_TYPE_BOOLEAN 布尔型4
* CELL_TYPE_ERROR 错误 5
*/
String value = "";
for (int k = 0; k < num; k++) {
if (cloumn[k] != null && cloumn[k].length() > 0) {
Cell cell = row.getCell(k);
if (row.getCell(k).getCellType() == 0) {
if ("@".equals(cell.getCellStyle().getDataFormatString())) {
value = df.format(cell.getNumericCellValue());
} else if ("General".equals(cell.getCellStyle().getDataFormatString())) {
value = nf.format(cell.getNumericCellValue());
} else {
value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));
}
formData.put(cloumn[k], value);
} else {
formData.put(cloumn[k], row.getCell(k).toString());
}
}
}
formData.put("initunitid", INITUNITID);//单位id
formData.put("initunitname", INITUNITNAME);//单位名称
formData.put("status", "");
if (columns != null && !columns.isEmpty()) {
Iterator it = columns.keySet().iterator();
while (it.hasNext()) {
Object key = it.next();
if (key != null) {
formData.put(key, columns.get(key));
}
}
}
Record record = dataSource.createRecord(formData);
for (String key2 : dateList) { //如果是日期列的话，就转化日期类型
Object columnsVal_ = formData.get(key2);
String columnsVal = String.valueOf(columnsVal_);
if (!"".equals(columnsVal)) {
record.set((String) key2, format(columnsVal));
}
}
/// record.set("tm", "test2");
// java.text.SimpleDateFormat format = new SimpleDateFormat();
//注意format的格式要与日期String的格式相匹配
/* SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
try {
date = sdf.parse("20131217");
System.out.println(date.toString());
} catch (Exception e) {
e.printStackTrace();
}
record.set("gdrq",date); //GDRQ*/
record.set("status", "");
Record reRecord = dataSource.saveRecord(record);
successNum++;
}
}
String str = "成功导入" + successNum + "条记录";
return str;
}
private Date format(String columnsVal) throws ParseException {
Date date = new Date();
String str="yyyy-MM-dd";
if (columnsVal.indexOf("-") != -1) {
if(columnsVal.length()>16){
str="yyyy-MM-dd HH:mm:ss";
}
} else if (columnsVal.indexOf("/") != -1) {
if(columnsVal.length()>16){
str="yyyy/MM/dd HH:mm:ss";
}else{
str="yyyy-MM-dd";
}
}else{
if(columnsVal.length()>16){
str="yyyyMMdd HH:mm:ss";
}else{
str="yyyyMMdd";
}
}
SimpleDateFormat sdf1 = new SimpleDateFormat(str);
date = sdf1.parse(columnsVal.trim());
return date;
}
}
JAVA POI读取Office excel (2003,2007)
所需jar 包 ：poi-3.6
poi-3.6-20091214.jarpoi-contrib-3.6-20091214.jarpoi-scratch.6-20091214.jargeronimo-stax-api_1.0_spec-1.0.jar
xmlbeans-2.3.0.jar
读取excel 文件的 java 代码：
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.LinkedList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
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.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class ReadExcel {
/**
* 对外提供读取excel 的方法
* */
public static List<List<Object>> readExcel(File file) throws IOException{
String fileName = file.getName();
String extension = fileName.lastIndexOf(".")==-1?"":fileName.substring(fileName.lastIndexOf(".")+1);
if("xls".equals(extension)){
return read2003Excel(file);
}else if("xlsx".equals(extension)){
return read2007Excel(file);
}else{
throw new IOException("不支持的文件类型");
}
}
/**
* 读取 office 2003 excel
* @throws IOException
* @throws FileNotFoundException */
private static List<List<Object>> read2003Excel(File file) throws IOException{
List<List<Object>> list = new LinkedList<List<Object>>();
HSSFWorkbook hwb = new HSSFWorkbook(new FileInputStream(file));
HSSFSheet sheet = hwb.getSheetAt(0);
Object value = null;
HSSFRow row = null;
HSSFCell cell = null;
for(int i = sheet.getFirstRowNum();i<= sheet.getPhysicalNumberOfRows();i++){
row = sheet.getRow(i);
if (row == null) {
continue;
}
List<Object> linked = new LinkedList<Object>();
for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {
cell = row.getCell(j);
if (cell == null) {
continue;
}
DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串
DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_STRING:
System.out.println(i+"行"+j+" 列 is String type");
value = cell.getStringCellValue();
break;
case XSSFCell.CELL_TYPE_NUMERIC:
System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());
if("@".equals(cell.getCellStyle().getDataFormatString())){
value = df.format(cell.getNumericCellValue());
} else if("General".equals(cell.getCellStyle().getDataFormatString())){
value = nf.format(cell.getNumericCellValue());
}else{
value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));
}
break;
case XSSFCell.CELL_TYPE_BOOLEAN:
System.out.println(i+"行"+j+" 列 is Boolean type");
value = cell.getBooleanCellValue();
break;
case XSSFCell.CELL_TYPE_BLANK:
System.out.println(i+"行"+j+" 列 is Blank type");
value = "";
break;
default:
System.out.println(i+"行"+j+" 列 is default type");
value = cell.toString();
}
if (value == null || "".equals(value)) {
continue;
}
linked.add(value);
}
list.add(linked);
}
return list;
}
/**
* 读取Office 2007 excel
* */
private static List<List<Object>> read2007Excel(File file) throws IOException {
List<List<Object>> list = new LinkedList<List<Object>>();
// 构造 XSSFWorkbook 对象，strPath 传入文件路径
XSSFWorkbook xwb = new XSSFWorkbook(new FileInputStream(file));
// 读取第一章表格内容
XSSFSheet sheet = xwb.getSheetAt(0);
Object value = null;
XSSFRow row = null;
XSSFCell cell = null;
for (int i = sheet.getFirstRowNum(); i <= sheet
.getPhysicalNumberOfRows(); i++) {
row = sheet.getRow(i);
if (row == null) {
continue;
}
List<Object> linked = new LinkedList<Object>();
for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {
cell = row.getCell(j);
if (cell == null) {
continue;
}
DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串
DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_STRING:
System.out.println(i+"行"+j+" 列 is String type");
value = cell.getStringCellValue();
break;
case XSSFCell.CELL_TYPE_NUMERIC:
System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());
if("@".equals(cell.getCellStyle().getDataFormatString())){
value = df.format(cell.getNumericCellValue());
} else if("General".equals(cell.getCellStyle().getDataFormatString())){
value = nf.format(cell.getNumericCellValue());
}else{
value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));
}
break;
case XSSFCell.CELL_TYPE_BOOLEAN:
System.out.println(i+"行"+j+" 列 is Boolean type");
value = cell.getBooleanCellValue();
break;
case XSSFCell.CELL_TYPE_BLANK:
System.out.println(i+"行"+j+" 列 is Blank type");
value = "";
break;
default:
System.out.println(i+"行"+j+" 列 is default type");
value = cell.toString();
}
if (value == null || "".equals(value)) {
continue;
}
linked.add(value);
}
list.add(linked);
}
return list;
}
}
说明：该类中共封装了三个方法，对外提供的读取excel文件的方法，两个私有的分别读取excel2003和excel2007的方法。外部使用，只需调用readExcel 方法，传入一个File 参数，程序根据文件扩展名来判断选取那个方法来读取Excel文件。
来自：http://hi.baidu.com/thinkingjava/item/6488abf9acb4d21be2e3bdba