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fix: 识别 Excel 字段类型

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This commit is contained in:
taojinlong 2021-05-25 12:48:06 +08:00
parent ee3c99e177
commit d5c99e6ec9
1 changed files with 30 additions and 1 deletions
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31
backend/src/main/java/io/dataease/service/dataset/DataSetTableService.java
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@ -572,6 +572,7 @@ public class DataSetTableService {
return 0;
case "TIME":
return 1;
case "LONG":
case "INT":
return 2;
case "DOUBLE":
@ -778,12 +779,39 @@ public class DataSetTableService {
inputStream.close();
Map<String, Object> map = new HashMap<>();
inferFieldType(fields, data);
map.put("fields", fields);
map.put("data", jsonArray);
map.put("sheets", sheets);
return map;
}
private void inferFieldType(List<TableFiled> fields, List<String[]> data){
if(CollectionUtils.isEmpty(fields) || CollectionUtils.isEmpty(data)) {
return;
}
String[] firstLine = data.get(0);
for (int i=0; i< fields.size()&& i < firstLine.length; i++) {
TableFiled filed = fields.get(i);
try{
Integer.valueOf(firstLine[i]);
filed.setFieldType("INT");
continue;
}catch (Exception ignore ){
}
try{
Long.valueOf(firstLine[i]);
filed.setFieldType("LONG");
continue;
}catch (Exception ignore ){}
try{
Double.valueOf(firstLine[i]);
filed.setFieldType("DOUBLE");
continue;
}catch (Exception ignore ){}
}
}
private String readCell(Cell cell) {
CellType cellTypeEnum = cell.getCellTypeEnum();
if (cellTypeEnum.equals(CellType.STRING)) {
@ -791,7 +819,8 @@ public class DataSetTableService {
} else if (cellTypeEnum.equals(CellType.NUMERIC)) {
double d = cell.getNumericCellValue();
try {
return new Double(d).longValue() + "";
String value = String.valueOf(d);
return value.endsWith(".0") ? value.substring(0, value.length() -2):value;
} catch (Exception e) {
BigDecimal b = new BigDecimal(d);
return b.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue() + "";