106 lines
3.8 KiB
Plaintext
106 lines
3.8 KiB
Plaintext
|
package com.sercurityControl.proteam.util;
|
|||
|
|
|
|||
|
|
import org.apache.poi.ss.usermodel.*;
|
|||
|
|
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
|
|||
|
|
|
|||
|
|
import java.beans.PropertyDescriptor;
|
|||
|
|
import java.lang.reflect.Field;
|
|||
|
|
import java.text.DateFormat;
|
|||
|
|
import java.text.SimpleDateFormat;
|
|||
|
|
import java.util.Date;
|
|||
|
|
import java.util.List;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @author bonus
|
|||
|
|
* @data 2023/3/10 10:02
|
|||
|
|
* @description 文件导出
|
|||
|
|
*/
|
|||
|
|
public class ExcelUtil {
|
|||
|
|
|
|||
|
|
public static <T> Workbook writeToExcelByList(String[] array, List<T> list, Class<T> clazz) {
|
|||
|
|
//创建工作薄
|
|||
|
|
Workbook wb = new XSSFWorkbook();
|
|||
|
|
//标题和页码
|
|||
|
|
CellStyle titleStyle = wb.createCellStyle();
|
|||
|
|
// 设置单元格对齐方式,水平居左
|
|||
|
|
titleStyle.setAlignment(HorizontalAlignment.CENTER);
|
|||
|
|
//单元格边框
|
|||
|
|
titleStyle.setBorderTop(BorderStyle.THIN);
|
|||
|
|
titleStyle.setBorderLeft(BorderStyle.THIN);
|
|||
|
|
titleStyle.setBorderRight(BorderStyle.THIN);
|
|||
|
|
titleStyle.setBorderBottom(BorderStyle.THIN);
|
|||
|
|
// 设置字体样式
|
|||
|
|
Font titleFont = wb.createFont();
|
|||
|
|
// 字体高度
|
|||
|
|
titleFont.setFontHeightInPoints((short) 12);
|
|||
|
|
// 字体样式
|
|||
|
|
titleFont.setFontName("黑体");
|
|||
|
|
titleStyle.setFont(titleFont);
|
|||
|
|
//创建sheet
|
|||
|
|
Sheet sheet = wb.createSheet("数据");
|
|||
|
|
// 自动设置宽度
|
|||
|
|
sheet.autoSizeColumn(0);
|
|||
|
|
// 在sheet中添加标题行// 行数从0开始
|
|||
|
|
Row row = sheet.createRow(0);
|
|||
|
|
for (int i = 0; i < array.length; i++) {
|
|||
|
|
Cell cell = row.createCell(i);
|
|||
|
|
cell.setCellValue(array[i]);
|
|||
|
|
cell.setCellStyle(titleStyle);
|
|||
|
|
}
|
|||
|
|
// 数据样式 因为标题和数据样式不同 需要分开设置 不然会覆盖
|
|||
|
|
CellStyle dataStyle = wb.createCellStyle();
|
|||
|
|
//单元格边框
|
|||
|
|
dataStyle.setBorderTop(BorderStyle.THIN);
|
|||
|
|
dataStyle.setBorderLeft(BorderStyle.THIN);
|
|||
|
|
dataStyle.setBorderRight(BorderStyle.THIN);
|
|||
|
|
dataStyle.setBorderBottom(BorderStyle.THIN);
|
|||
|
|
// 设置居中样式，水平居中
|
|||
|
|
dataStyle.setAlignment(HorizontalAlignment.CENTER);
|
|||
|
|
//数据从序号1开始
|
|||
|
|
try {
|
|||
|
|
int index = 1;
|
|||
|
|
Field[] fields = clazz.getDeclaredFields();
|
|||
|
|
for (T t : list) {
|
|||
|
|
// 默认的行数从0开始，为了统一格式设置从1开始，就是从excel的第二行开始
|
|||
|
|
row = sheet.createRow(index);
|
|||
|
|
int num = 0;
|
|||
|
|
for (Field field : fields) {
|
|||
|
|
// 默认的行数从0开始，为了统一格式设置从1开始，就是从excel的第二行开始
|
|||
|
|
// 为当前列赋值
|
|||
|
|
if (!field.isAccessible()) {
|
|||
|
|
field.setAccessible(true);
|
|||
|
|
}
|
|||
|
|
Object value = (new PropertyDescriptor(field.getName(), clazz)).getReadMethod().invoke(t);
|
|||
|
|
if (value != null) {
|
|||
|
|
Cell cell = row.createCell(num);
|
|||
|
|
setValue(cell, value);
|
|||
|
|
//设置数据的样式
|
|||
|
|
cell.setCellStyle(dataStyle);
|
|||
|
|
num++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
} catch (Exception e) {
|
|||
|
|
e.printStackTrace();
|
|||
|
|
}
|
|||
|
|
return wb;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 设置cellValue
|
|||
|
|
* 这里可以根据value的类型，进行格式化，比如日期格式化
|
|||
|
|
*/
|
|||
|
|
private static void setValue(Cell cell, Object value) {
|
|||
|
|
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
|||
|
|
if (value != null && !"".equals(value)) {
|
|||
|
|
if (value instanceof Date) {
|
|||
|
|
cell.setCellValue(dateFormat.format(value));
|
|||
|
|
} else {
|
|||
|
|
cell.setCellValue(value.toString());
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|