Question

我正在使用APACHE POI 3.13最新版本，将txt文件转换为excel文件并执行条件格式设置。但是，我没有获得3个色标（如热图），而是在输出excel文件的指定单元格中获得黑色。我无法进行3色缩放（颜色格式化）。我在互联网上查了一下，从那里找到了代码，但我不知道我在这里缺少什么。

代码

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.LinkedList;

import org.apache.poi.hssf.usermodel.HSSFColorScaleFormatting;
import org.apache.poi.hssf.usermodel.HSSFConditionalFormattingRule;
import org.apache.poi.hssf.usermodel.HSSFFontFormatting;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFSheetConditionalFormatting;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;   
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.ComparisonOperator;
import org.apache.poi.ss.usermodel.ConditionalFormattingThreshold.RangeType;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.util.CellRangeAddress;

public class txtToExcel {

public static void main(String[] args) {
    // TODO Auto-generated method stub
     LinkedList<String[]> text_lines = new LinkedList<>();
        try (BufferedReader br = new BufferedReader(new FileReader("C:\\Personal\\arpitData\\Data\\Brian\\Matrix_all_beh_v2.txt"))) {
            String sCurrentLine;
            while ((sCurrentLine = br.readLine()) != null) {
                text_lines.add(sCurrentLine.split("\\t"));                 
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        String fileName = "C:/Personal/arpitData/Data/Brian/Matrix_all_beh_v2_txt_to_excel.xls";
        HSSFWorkbook workbook = new HSSFWorkbook();
        HSSFSheet sheet = workbook.createSheet("Conditional_Formatting");
        int row_num = 0;
        for(String[] line : text_lines){
            Row row = sheet.createRow(row_num++);
            int cell_num = 0;
            for(String value : line){
                Cell cell = row.createCell(cell_num++);
                if(cell_num == 1 || row_num ==1){
                    cell.setCellValue(value);
                }
                else{
                    cell.setCellValue(new BigDecimal(value).doubleValue());
                }
            }
        }
        /* Access conditional formatting facet layer */

        HSSFSheetConditionalFormatting my_cond_format_layer = sheet.getSheetConditionalFormatting();
        /* Create a Rule */
        HSSFConditionalFormattingRule my_rule1 = my_cond_format_layer.createConditionalFormattingColorScaleRule();

        /* Define color formatting if rule is met */
        HSSFColorScaleFormatting my_rule_pattern1 = my_rule1.getColorScaleFormatting();
        my_rule_pattern1.getThresholds()[0].setRangeType(RangeType.MIN);
        my_rule_pattern1.getThresholds()[1].setRangeType(RangeType.PERCENTILE);
        my_rule_pattern1.getThresholds()[1].setValue((double) 50);
        my_rule_pattern1.getThresholds()[2].setRangeType(RangeType.PERCENTILE);
        my_rule_pattern1.getThresholds()[2].setValue((double) 95);
        my_rule_pattern1.getColors()[0].setARGBHex("FFFFFF");
        my_rule_pattern1.getColors()[1].setARGBHex("F6FCFF");
        my_rule_pattern1.getColors()[2].setARGBHex("FF6C6C");



        /* Create a Cell Range Address */
        CellRangeAddress[] my_data_range = {CellRangeAddress.valueOf("c2:I28")};

        /* Attach rule to cell range */
        my_cond_format_layer.addConditionalFormatting(my_data_range,my_rule1);

        /* Write changes to the workbook */
        try {
            FileOutputStream out = new FileOutputStream(fileName);
            workbook.write(out);
            out.close();
        } catch (Exception e){
            e.printStackTrace();
        }
}

}

我的输入文件Matrix_all_beh_v2.txt就像

Total (2015/09/25)  Obesity weight gain Body weight/body fat    Adipocyte   Endocrine   PPAR    RXR GR
"3,3,5,5-Tetrabromobisphenol A" 26  7   9   10  0   10  2   1
7-Diethylamino-4-methylcoumarin 1   0   0   0   0   1   0   0  
"7,12-Dimethylbenz(a)anthracene"    140 84  20  16  10  16  6   9
"9-Aminoacridine, monohydrochloride, monohydrate"   0   0   0   0   0   0   0   0
"9,10-Dihydrobenzo[a]pyren-7(8H)-one"   0   0   0   0   0   0   0   0
4-Dodecylphenol 0   0   0   0   0   0   0   0
4-[3-(4-Acetyl-3-hydroxy-2-propylphenoxy)propoxy]phenoxy_acetic acid    47  4   7   11  2   32  9   0

Answer 1

当我从HSSF切换到XSSF时，它确实有效。此外，还缺少一些jar库，我必须将其包括在内才能使其工作。

Aache POI用于excel颜色格式化

1 个答案: