/**
* 添加数据（通过annotation.ExportField添加数据）
*
* @return list 数据列表
*/
public <E> ExportExcel setDataList(List<E> list) {
for (E e : list) {
int colunm = 0;
Row row = this.addRow();
StringBuilder sb = new StringBuilder();
for (Object[] os : annotationList) {
ExcelField ef = (ExcelField) os[0];
Object val = null;
// Get entity value
try {
if (StringUtils.isNotBlank(ef.value())) {
val = Reflections.invokeGetter(e, ef.value());
} else {
if (os[1] instanceof Field) {
val = Reflections.invokeGetter(e, ((Field) os[1]).getName());
} else if (os[1] instanceof Method) {
val =
Reflections.invokeMethod(
e, ((Method) os[1]).getName(), new Class[] {}, new Object[] {});
}
}
// If is dict, get dict label
if (StringUtils.isNotBlank(ef.dictType())) {
val = DictUtils.getDictLabel(val == null ? "" : val.toString(), ef.dictType(), "");
}
} catch (Exception ex) {
// Failure to ignore
log.info(ex.toString());
val = "";
}
this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
sb.append(val + ", ");
}
log.debug("Write success: [" + row.getRowNum() + "] " + sb.toString());
}
return this;
}
/**
* 获取导入数据列表
*
* @param cls 导入对象类型
* @param groups 导入分组
*/
public <E> List<E> getDataList(Class<E> cls, int... groups)
throws InstantiationException, IllegalAccessException {
List<Object[]> annotationList = Lists.newArrayList();
// Get annotation field
Field[] fs = cls.getDeclaredFields();
for (Field f : fs) {
ExcelField ef = f.getAnnotation(ExcelField.class);
if (ef != null && (ef.type() == 0 || ef.type() == 2)) {
if (groups != null && groups.length > 0) {
boolean inGroup = false;
for (int g : groups) {
if (inGroup) {
break;
}
for (int efg : ef.groups()) {
if (g == efg) {
inGroup = true;
annotationList.add(new Object[] {ef, f});
break;
}
}
}
} else {
annotationList.add(new Object[] {ef, f});
}
}
}
// Get annotation method
Method[] ms = cls.getDeclaredMethods();
for (Method m : ms) {
ExcelField ef = m.getAnnotation(ExcelField.class);
if (ef != null && (ef.type() == 0 || ef.type() == 2)) {
if (groups != null && groups.length > 0) {
boolean inGroup = false;
for (int g : groups) {
if (inGroup) {
break;
}
for (int efg : ef.groups()) {
if (g == efg) {
inGroup = true;
annotationList.add(new Object[] {ef, m});
break;
}
}
}
} else {
annotationList.add(new Object[] {ef, m});
}
}
}
// Field sorting
Collections.sort(
annotationList,
new Comparator<Object[]>() {
public int compare(Object[] o1, Object[] o2) {
return new Integer(((ExcelField) o1[0]).sort())
.compareTo(new Integer(((ExcelField) o2[0]).sort()));
};
});
// log.debug("Import column count:"+annotationList.size());
// Get excel data
List<E> dataList = Lists.newArrayList();
for (int i = this.getDataRowNum(); i < this.getLastDataRowNum(); i++) {
E e = (E) cls.newInstance();
int column = 0;
Row row = this.getRow(i);
StringBuilder sb = new StringBuilder();
for (Object[] os : annotationList) {
Object val = this.getCellValue(row, column++);
if (val != null) {
ExcelField ef = (ExcelField) os[0];
// If is dict type, get dict value
if (StringUtils.isNotBlank(ef.dictType())) {
val = DictUtils.getDictValue(val.toString(), ef.dictType(), "");
// log.debug("Dictionary type value: ["+i+","+colunm+"] " + val);
}
// Get param type and type cast
Class<?> valType = Class.class;
if (os[1] instanceof Field) {
valType = ((Field) os[1]).getType();
} else if (os[1] instanceof Method) {
Method method = ((Method) os[1]);
if ("get".equals(method.getName().substring(0, 3))) {
valType = method.getReturnType();
} else if ("set".equals(method.getName().substring(0, 3))) {
valType = ((Method) os[1]).getParameterTypes()[0];
}
}
// log.debug("Import value type: ["+i+","+column+"] " + valType);
try {
if (valType == String.class) {
String s = String.valueOf(val.toString());
if (StringUtils.endsWith(s, ".0")) {
val = StringUtils.substringBefore(s, ".0");
} else {
val = String.valueOf(val.toString());
}
} else if (valType == Integer.class) {
val = Double.valueOf(val.toString()).intValue();
} else if (valType == Long.class) {
val = Double.valueOf(val.toString()).longValue();
} else if (valType == Double.class) {
val = Double.valueOf(val.toString());
} else if (valType == Float.class) {
val = Float.valueOf(val.toString());
} else if (valType == Date.class) {
val = DateUtil.getJavaDate((Double) val);
} else {
if (ef.fieldType() != Class.class) {
val =
ef.fieldType().getMethod("getValue", String.class).invoke(null, val.toString());
} else {
val =
Class.forName(
this.getClass()
.getName()
.replaceAll(
this.getClass().getSimpleName(),
"fieldtype." + valType.getSimpleName() + "Type"))
.getMethod("getValue", String.class)
.invoke(null, val.toString());
}
}
} catch (Exception ex) {
log.info("Get cell value [" + i + "," + column + "] error: " + ex.toString());
val = null;
}
// set entity value
if (os[1] instanceof Field) {
Reflections.invokeSetter(e, ((Field) os[1]).getName(), val);
} else if (os[1] instanceof Method) {
String mthodName = ((Method) os[1]).getName();
if ("get".equals(mthodName.substring(0, 3))) {
mthodName = "set" + StringUtils.substringAfter(mthodName, "get");
}
Reflections.invokeMethod(e, mthodName, new Class[] {valType}, new Object[] {val});
}
}
sb.append(val + ", ");
}
dataList.add(e);
log.debug("Read success: [" + i + "] " + sb.toString());
}
return dataList;
}