J-Excel 介绍
J-Excel 是万能的 Excel 导入导出工具：
示例请参照：
public class TestExcel {
static {
SimpleConfigurator.addConfigurator(new DbConfig("jdbc:MysqL://localhost/digitalcampus?createDatabaseIfNotExist=true&useUnicode=true&characterEncoding=utf-8&autoReconnect=true", DbConfig.DEFAULT_CONfig_NAME));
}
/**
* 从List<Map>中导出
* @param workbook
* @throws Exception
*/
public static void testSimpleMapExport(Workbook workbook) throws Exception {
Hyberbin hyberbin = new Hyberbin();
List<Map> list = hyberbin.getMapList("select * from dc_xxkc");
Sheet sheet = workbook.createSheet("testSimpleMapExport");
List<String> cols = new ArrayList<String>();
List<FieldColumn> fieldColumns = hyberbin.getFieldColumns();
for (FieldColumn column : fieldColumns) {
cols.add(column.getColumn());
}
SimpleExportService service = new SimpleExportService(sheet, list, (String[]) cols.toArray(new String[]{}), "学校课程");
service.setDic("KCLX", "KCLX").addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
service.doExport();
}
/**
* 从List<Vo>中导出
* @param workbook
* @throws Exception
*/
public static void testSimpleVoExport(Workbook workbook) throws Exception {
Hyberbin<SchoolCourse> hyberbin = new Hyberbin(new SchoolCourse());
List<SchoolCourse> list = hyberbin.showAll();
Sheet sheet = workbook.createSheet("testSimpleVoExport");
//ExportExcelService service = new ExportExcelService(list, sheet, "学校课程");
ExportExcelService service = new ExportExcelService(list, sheet, new String[]{"id", "courseName", "type"}, "学校课程");
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
service.doExport();
}
/**
* 从List<Vo>，vo中还有简单循环节中导出
* @param workbook
* @throws Exception
*/
public static void testVoHasListExport(Workbook workbook) throws Exception {
Hyberbin<SchoolCourse> hyberbin = new Hyberbin(new SchoolCourse());
List<SchoolCourse> list = hyberbin.showAll();
List<String> strings = new ArrayList<String>();
for (int i = 0; i < 10; i++) {
strings.add("我是第" + i + "个循环字段");
}
for (SchoolCourse course : list) {
course.setBaseArray(strings);
}
Sheet sheet = workbook.createSheet("testVoHasListExport");
ExportExcelService service = new ExportExcelService(list, sheet, new String[]{"id", "courseName", "type", "baseArray"}, "学校课程");
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
service.setGroupConfig("baseArray", new GroupConfig(10) {
@Override
public String getLangName(int innerIndex, int index) {
return "我是第" + index + "个循环字段";
}
});
service.doExport();
service.exportTemplate();//生成下拉框
}
/**
* 从List<Vo>，vo中还有复杂循环节中导出
* @param workbook
* @throws Exception
*/
public static void testVoHasListVoExport(Workbook workbook) throws Exception {
Hyberbin<SchoolCourse> hyberbin = new Hyberbin(new SchoolCourse());
List<SchoolCourse> list = hyberbin.showAll();
for (SchoolCourse course : list) {
List<InnerVo> innerVos = new ArrayList<InnerVo>();
for (int i = 0; i < 10; i++) {
innerVos.add(new InnerVo("key1", "value1"));
}
course.setInnerVoArray(innerVos);
}
Sheet sheet = workbook.createSheet("testVoHasListVoExport");
ExportExcelService service = new ExportExcelService(list, sheet, new String[]{"id", "courseName", "type", "innerVoArray"}, "学校课程");
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
for (int i = 0; i < 10; i++) {
service.addTook("hiddenvalue", "key", i, "something");
}
service.setGroupConfig("innerVoArray", new GroupConfig(2, 10) {
@Override
public String getLangName(int innerIndex, int index) {
return "我是第" + index + "个循环字段,第" + innerIndex + "个属性";
}
});
service.doExport();
}
/**
* 导出一个纵表（课程表之类的）
* @param workbook
* @throws Exception
*/
public static void testTableExport(Workbook workbook) throws Exception {
Sheet sheet = workbook.createSheet("testTableExport");
TableBean tableBean = new TableBean(3, 3);
Collection<CellBean> cellBeans = new HashSet<CellBean>();
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
CellBean cellBean = new CellBean(i * 3 + j + "", i, j);
cellBeans.add(cellBean);
}
}
tableBean.setCellBeans(cellBeans);
ExportTableService tableService = new ExportTableService(sheet, tableBean);
tableService.doExport();
}
/**
* 从List<Vo>中入
* @param workbook
* @throws Exception
*/
public static void testSimpleVoImport(Workbook workbook) throws Exception {
Sheet sheet = workbook.getSheet("testSimpleVoExport");
ImportExcelService service = new ImportExcelService(SchoolCourse.class, sheet);
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
List list = service.doImport();
System.out.println("成功导入：" + list.size() + "条数据");
}
/**
* 从List<Vo>，vo中还有简单循环节中导入
* @param workbook
* @throws Exception
*/
public static void testVoHasListImport(Workbook workbook) throws Exception {
Sheet sheet = workbook.getSheet("testVoHasListExport");
ImportExcelService service = new ImportExcelService(SchoolCourse.class, sheet);
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
List list = service.doImport();
System.out.println("成功导入：" + list.size() + "条数据");
}
/**
* 从List<Vo>，vo中还有复杂循环节中导入
* @param workbook
* @throws Exception
*/
public static void testVoHasListVoImport(Workbook workbook) throws Exception {
Sheet sheet = workbook.getSheet("testVoHasListVoExport");
ImportExcelService service = new ImportExcelService(SchoolCourse.class, sheet);
service.addDic("KCLX", "1", "国家课程").addDic("KCLX", "2", "学校课程");//设置数据字典
List list = service.doImport();
System.out.println("成功导入：" + list.size() + "条数据");
}
public static void main(String[] args) throws Exception {
Workbook workbook = new hssfWorkbook();
testSimpleMapExport(workbook);
testSimpleVoExport(workbook);
testVoHasListExport(workbook);
testVoHasListVoExport(workbook);
testTableExport(workbook);
testSimpleVoImport(workbook);
testVoHasListImport(workbook);
testVoHasListVoImport(workbook);
workbook.write(new FileOutputStream("D:\\excel.xls"));
}
}
J-Excel 官网
https://github.com/hyberbin/J-Excel
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