Poi 导出工具类 支持标注颜色

最近遇到一个需求，生成execl还要给特别的字符标注一下颜色。发现easyPOi完全没有颜色标注这个功能。

就写了个工具类。废话不多说直接上代码吧。

想引入poi

org.apache.poi  

poi  

3.14  

org.apache.poi

poi-ooxml

3.14

1、核心类 ExcelUtil

package com.information.platform.controller.execl;

import java.io.IOException;

import java.io.OutputStream;

import java.lang.reflect.Field;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;

import org.apache.poi.hssf.usermodel.HSSFCellStyle;

import org.apache.poi.hssf.usermodel.HSSFFont;

import org.apache.poi.hssf.util.HSSFColor;

import org.apache.poi.ss.usermodel.BorderStyle;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.FillPatternType;

import org.apache.poi.ss.usermodel.Font;

import org.apache.poi.ss.usermodel.HorizontalAlignment;

import org.apache.poi.ss.usermodel.IndexedColors;

import org.apache.poi.ss.usermodel.VerticalAlignment;

import org.apache.poi.ss.util.CellRangeAddress;

import org.apache.poi.xssf.usermodel.XSSFCell;

import org.apache.poi.xssf.usermodel.XSSFCellStyle;

import org.apache.poi.xssf.usermodel.XSSFRow;

import org.apache.poi.xssf.usermodel.XSSFSheet;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import com.alibaba.fastjson.JSON;

import com.information.platform.utils.DateUtils;

import net.sf.json.JSONArray;

/**

• @Description: excel导出封装类

• @author G

• @date 2016年8月24日

*/

public class ExcelUtil {

private static final short height = 30*20;

private static final short height_A = 60*20;

// 生成excel，list导出的数据，list里的实体class，sumData合计数据

public static XSSFWorkbook createExcel(List list, Class cls, Q sumData,XSSFWorkbook wb,String sheetname,String title,String time)

throws IOException, IllegalArgumentException, IllegalAccessException {

Field[] fields = cls.getDeclaredFields();

    ArrayList headList = new ArrayList();





    // 添加合计数据

    if (sumData != null) {

        list.add(sumData);

    }





    for (Field f : fields) {

        ExcelField field = f.getAnnotation(ExcelField.class);

        if (field != null) {

            headList.add(field.title());

        }

        //list集合

        ExcelCollection annotation = f.getAnnotation(ExcelCollection.class);

        if(annotation!=null) {

        Class cls2 = annotation.cls();

        int size = annotation.size();

        for (int i = 0; i < size; i++) {

        Field[] declaredFields = cls2.getDeclaredFields();

                 for (Field f2 : declaredFields) {

                   ExcelField ffs = f2.getAnnotation(ExcelField.class);

                       if (ffs != null) {

                           headList.add(ffs.title());

                       }

     }

        }

            

        }

       

      

    }





    XSSFCellStyle style = getCellStyle(wb);

    XSSFCellStyle style1 = getCellStyles(wb);

    XSSFSheet sheet = wb.createSheet();

    int numberOfSheets = wb.getNumberOfSheets();

    wb.setSheetName(numberOfSheets-1, sheetname);

    sheet.createFreezePane( 0, 3, 0, 3);     

    // 设置Excel表的第一行即表头

    XSSFRow createRow = sheet.createRow(0);

    CellRangeAddress region = new CellRangeAddress(0, 0, 0, headList.size()-1);//起始行，结束行，起始列，结束列

    sheet.addMergedRegion(region);

    createRow.setHeight(height_A);

    for (int i = 0; i < headList.size(); i++) {

    XSSFCell headCell1 = createRow.createCell(i);

    if(i==0) {

    headCell1.setCellValue(title);

        headCell1.setCellStyle(style1);// 设置表头样式

    }

    headCell1.setCellStyle(style1);// 设置表头样式

    }

    XSSFRow createRow2 = sheet.createRow(1);

    CellRangeAddress regiona = new CellRangeAddress(1, 1, 0, headList.size()-1);//起始行，结束行，起始列，结束列

    sheet.addMergedRegion(regiona);

    for (int i = 0; i < headList.size(); i++) {

    XSSFCell headCell2 = createRow2.createCell(i);

    if(i==0) {

            headCell2.setCellValue(time);

    }

        headCell2.setCellStyle(style1);// 设置表头样式

        createRow2.setHeight(height);

    }

    

    //栏目

    XSSFRow row = sheet.createRow(2);

    for (int i = 0; i < headList.size(); i++) {

        XSSFCell headCell = row.createCell(i);

        row.setHeight(height);

        headCell.setCellType(Cell.CELL_TYPE_STRING);

        

        headCell.setCellStyle(style);// 设置表头样式

        headCell.setCellValue(String.valueOf(headList.get(i)));

        // sheet.autoSizeColumn((short) i);// 设置单元格自适应

        sheet.setColumnWidth(i, (int)(headList.get(i).getBytes().length * 1.2d * 256 > 12 * 256 ? headList.get(i).getBytes().length * 1.2d * 400 : 12 * 400));

    }





    for (int i = 0; i < list.size(); i++) {

        XSSFRow rowdata = sheet.createRow(i + 3);// 创建数据行

        rowdata.setHeight(height);

        Q q = list.get(i);

        Field[] ff = q.getClass().getDeclaredFields();

        int j = 0;

        for (Field f : ff) {

            ExcelField field = f.getAnnotation(ExcelField.class);

            ExcelCollection annotation = f.getAnnotation(ExcelCollection.class);

            //list集合

            if(annotation!=null) {

            f.setAccessible(true);

            List object = (ArrayList) f.get(q);

                  for (int k=0;k

public static boolean creatTable( ExcelField field ,Field f, XSSFRow rowdata, Q q,int j,XSSFWorkbook wb,XSSFCellStyle style) throws IllegalArgumentException, IllegalAccessException {

if (field == null) {

         return false;

     }

     f.setAccessible(true);

     Object obj = f.get(q);

     XSSFCell cell = rowdata.createCell(j);

     XSSFCellStyle styles = getBaseCellStyle(wb);

     if(StringUtils.isNotBlank(field.style())) {

     String replace = field.style();

     String[] split = replace.split(",");

     for (String str : split) {

      String[] split2 = str.split("_");

      if(String.valueOf(obj).equals(split2[0])) {

      if(split2[1].equals("red")) {

      Font font = wb.createFont();

      font.setColor(HSSFColor.RED.index);

      styles.setFont(font);

      cell.setCellStyle(styles);// 

      }else {

     

      }

             

            }

}

      /**/

     }else {

Font font = wb.createFont();

font.setColor(HSSFColor.GREY_80_PERCENT.index);

styles.setFont(font);

cell.setCellStyle(styles);//

}

     //设置背景色

     if(StringUtils.isNotBlank(field.background())) {

     String replace = field.background();

     String[] split = replace.split(",");

     

     for (String str : split) {

      String[] split2 = str.split("_");

      if(String.valueOf(obj).equals(split2[0])) {

      if(split2[1].equals("red")) {

     //背景色

      styles.setFillForegroundColor(HSSFColor.CORAL.index);

      styles.setFillPattern(FillPatternType.SOLID_FOREGROUND);

      cell.setCellStyle(styles);// 

      }else if(split2[1].equals("blur")){

      styles.setFillForegroundColor(HSSFColor.LIGHT_TURQUOISE.index);

      styles.setFillPattern(FillPatternType.SOLID_FOREGROUND);

      cell.setCellStyle(styles);// 

      }

             

            }

}

      /**/

     }else {

     

      styles.setFillForegroundColor(HSSFColor.WHITE.index);

style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

cell.setCellStyle(styles);//

}

     cell.setCellType(Cell.CELL_TYPE_STRING);

     // 当数字时

     if (obj instanceof Integer) {

     if(StringUtils.isNotBlank(field.replace())) {

     String replace = field.replace();

            String[] split = replace.split(",");

            for (String str : split) {

            String[] split2 = str.split("_");

            if(((Integer)obj).equals(Integer.valueOf(split2[1]))) {

                cell.setCellValue(split2[0]);

                }

}

     }else {

      cell.setCellValue((Integer)obj);

     }

         // 将序号替换为123456

         /*if (j == 0)

             cell.setCellValue(i+ 1);*/

     }

     // 当为字符串时

     else if (obj instanceof String)

     

         cell.setCellValue((String)obj);

     // 当为布尔时

     else if (obj instanceof Boolean)

         cell.setCellValue((Boolean)obj);

     // 当为时间时

     else if (obj instanceof Date)

     

     if(field.format()!=null) {

            cell.setCellValue(DateUtils.getymdhms((Date)obj,field.format()));

     }else {

      cell.setCellValue(DateUtils.getymdhms((Date)obj));

     }

     // 当为时间时

     else if (obj instanceof Calendar)

         cell.setCellValue((Calendar)obj);

     // 当为小数时

     else if (obj instanceof Double)

         cell.setCellValue((Double)obj);

     return true;

}

public static void creatWorkBook() {

XSSFWorkbook wb = new XSSFWorkbook();

}

// 导出

public static void writeExcel(HttpServletResponse response, String fileName, XSSFWorkbook wb) throws IOException {

    response.setContentType("application/vnd.ms-excel");

    response.setHeader("Content-disposition", "attachment; filename=" + fileName);

    response.setHeader("filename",fileName);

    response.setHeader("Pragma", "No-cache");  

    response.setHeader("Cache-Control", "No-cache");  

    response.setDateHeader("Expires", 0);

    OutputStream ouputStream = null;

    try {

        ouputStream = response.getOutputStream();

        wb.write(ouputStream);

    } finally {

        ouputStream.close();

    }

}

/**

 * 基础样式

 *

 * @return

 */

private static XSSFCellStyle getBaseCellStyle(XSSFWorkbook workbook) {

  XSSFCellStyle style = workbook.createCellStyle();

    //下边框

    style.setBorderBottom(BorderStyle.THIN);

    //左边框

    style.setBorderLeft(BorderStyle.THIN);

    //上边框

    style.setBorderTop(BorderStyle.THIN);

    //右边框

    style.setBorderRight(BorderStyle.THIN);

    //水平居中

    style.setAlignment(HorizontalAlignment.CENTER);

    //上下居中

    style.setVerticalAlignment(VerticalAlignment.CENTER);

    //设置自动换行

    style.setWrapText(true);

    return style;

}

// 表头样式

public static XSSFCellStyle getCellStyle(XSSFWorkbook wb) {

    XSSFCellStyle style = wb.createCellStyle();

    Font font = wb.createFont();

    font.setFontName("宋体");

    font.setFontHeightInPoints((short)12);// 设置字体大小

    //下边框

    style.setBorderBottom(BorderStyle.THIN);

    //左边框

    style.setBorderLeft(BorderStyle.THIN);

    //上边框

    style.setBorderTop(BorderStyle.THIN);

    //右边框

    style.setBorderRight(BorderStyle.THIN);

    //水平居中

    style.setAlignment(HorizontalAlignment.CENTER);

    //上下居中

    style.setVerticalAlignment(VerticalAlignment.CENTER);

    //背景色

    style.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());

    style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

    //设置自动换行

    style.setWrapText(true);

    style.setFont(font);

    return style;

}

// 表头样式

public static XSSFCellStyle getCellStyles(XSSFWorkbook wb) {

    XSSFCellStyle style = wb.createCellStyle();

    Font font = wb.createFont();

    font.setFontName("宋体");

    font.setFontHeightInPoints((short)14);// 设置字体大小

    //下边框

    style.setBorderBottom(BorderStyle.THIN);

    //左边框

    style.setBorderLeft(BorderStyle.THIN);

    //上边框

    style.setBorderTop(BorderStyle.THIN);

    //右边框

    style.setBorderRight(BorderStyle.THIN);

    //上下居中

    style.setVerticalAlignment(VerticalAlignment.CENTER);

    //背景色

    style.setFillForegroundColor(HSSFColor.LIGHT_TURQUOISE.index);

    style.setFillPattern(FillPatternType.SOLID_FOREGROUND);

    //设置自动换行

    style.setWrapText(true);

    style.setFont(font);

    return style;

}

}

2、然后倒入注解类两个
package com.information.platform.controller.execl;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
*

• @Description: excel导出注解类

• @author kang

• @date 2016年8月24日
  /
  @Target({ ElementType.METHOD, ElementType.FIELD, ElementType.TYPE })
  @Retention(RetentionPolicy.RUNTIME)
  public @interface ExcelField
  {
  //导出字段在excel中的名字
  String title();
  /*

• • 例如：红色:缺卡_0xa, 黑色:正常_2

• @return
  /
  String style() default “”;
  /*

  • 枚举
  • 例如：男_1,女_2
  • @return
    */
    String replace() default “”;

  /**
  *

  • Default @see com.alibaba.TypeUtil
  • if default is not meet you can set format
  • 只对date生效
  • @return format
    /
    String format() default “”;
    /*
• • 例如：红色:缺卡_0xa, 蓝色:正常_2

• @return
  */
  String background() default “”;
  }
  package com.information.platform.controller.execl;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
*

• @Description: excel导出注解类
• @author kang
• @date 2016年8月24日
  /
  @Target({ ElementType.METHOD, ElementType.FIELD, ElementType.TYPE })
  @Retention(RetentionPolicy.RUNTIME)
  public @interface ExcelCollection
  {
  //导出字段在excel中的名字
  String title();
  /*
• 当前的class
• @return
  /
  Class cls() ;
  /*
• list的size
• @return
  */
  int size() default 0;
  }
  3、实体类
  package com.information.platform.controller.execl.original;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.information.platform.controller.execl.ExcelCollection;
import com.information.platform.controller.execl.ExcelField;

public class DayOrigExecl {
/**
* 姓名
/
@ExcelField(title=“姓名”)
private String name;
/*
* 班次
*/
@ExcelField(title=“班次”)
private String shifts;

/**
 * 打卡时间
 */

/@DateTimeFormat(pattern=“yyyy-MM-dd HH:mm:ss”)
@JsonFormat(pattern = “yyyy-MM-dd HH:mm:ss”, timezone = “GMT+8”)
@ExcelField(title=“打卡时间”,format = “yyyy-MM-dd HH:mm:ss” )/
private Date clock;

/**
 * 打卡结果
 */

//@ExcelField(title=“打卡结果” ,background=“缺卡_red,正常_blur”)//,style=“缺卡_red”
private String type;

/**
 * 坐标
 */
@ExcelField(title="坐标")
private String coordinate;

/**
 * 打卡设备
 */
@ExcelField(title="打卡设备")
private String equipment;

/**
 * 打卡地址
 */
@ExcelField(title="打卡地址")
private String address;

/**
 * 0上午  1下午
 */

//@ExcelField(title=“时间段”,replace = “上午_0,下午_1”)
private Integer noon;

/**
 * 考勤时间
 */

@ExcelField(title=“考勤时间”, format = “yyyy-MM-dd EEE” )
private Date attendanceTime;

//是否工作日 0 上班 1周末 2节假日

@ExcelField(title=“是否工作日”,replace = “上班_0,休息_1,放假_2”,style=“1_red,2_red”)
private Integer workingDay;
private Date createtime;
private Integer userid;
@ExcelCollection(title=“列表”,cls=NoonOrigExecl.class,size=2)
@JsonIgnore
private List noonExecls=new ArrayList();
public Date getCreatetime() {
return createtime;
}

public void setCreatetime(Date createtime) {
this.createtime = createtime;
}

public Integer getUserid() {
return userid;
}

public void setUserid(Integer userid) {
this.userid = userid;
}

public List getNoonExecls() {
return noonExecls;
}

public void setNoonExecls(List noonExecls) {
this.noonExecls = noonExecls;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getShifts() {
return shifts;
}

public void setShifts(String shifts) {
this.shifts = shifts;
}

public Date getClock() {
return clock;
}

public void setClock(Date clock) {
this.clock = clock;
}

public String getType() {
return type;
}

public void setType(String type) {
this.type = type;
}

public String getCoordinate() {
return coordinate;
}

public void setCoordinate(String coordinate) {
this.coordinate = coordinate;
}

public String getEquipment() {
return equipment;
}

public void setEquipment(String equipment) {
this.equipment = equipment;
}

public String getAddress() {
return address;
}

public void setAddress(String address) {
this.address = address;
}

public Integer getNoon() {
return noon;
}

public void setNoon(Integer noon) {
this.noon = noon;
}

public Date getAttendanceTime() {
return attendanceTime;
}

public void setAttendanceTime(Date attendanceTime) {
this.attendanceTime = attendanceTime;
}

public Integer getWorkingDay() {
return workingDay;
}

public void setWorkingDay(Integer workingDay) {
this.workingDay = workingDay;
}

}

4、导出main方法
public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException, IOException {
XSSFWorkbook wb =new XSSFWorkbook();
List list=new ArrayList();
DayExecl dayExecl = new DayExecl();
dayExecl.setName(“张三”);
dayExecl.setNoon(0);
list.add(dayExecl);
ExcelUtil.createExcel(list, DayExecl.class, null,wb,“月度汇总”,"月度汇总 ",“报表生成时间：”+DateUtils.getymdhms(new Date()));
}
DateUtils
/**

• 将date类型转换为String
• @param time
• @return
  /
  public static String getymdhms(Date time) {
  return new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”).format(time);
  }
  /*
• 将date类型转换为String
• @param time
• @return
  */
  public static String getymdhms(Date time,String format) {
  return new SimpleDateFormat(format).format(time);
  }
  导出样式