converting a numeric cell type into a text cell type in ms excel document without changing contents of the cell using open office

How to convert a numeric cell type into a text cell type in ms excel document without changing contents of the cell using open office. This cell value is then accessed using java (POI JAR getRichString开发者_运维技巧CellValue() method of HSSFCELL Object).

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Try this:

HSSFWorkbook wb = ...;
DataFormat format = wb.createDataFormat();

HSSFCellStyle cellStyle = wb.createCellStyle();
style.setDataFormat(format.getFormat("@")); // or "text"
cell.setCellStyle(cellStyle);