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@@ -0,0 +1,171 @@
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+package com.sunwin.visitorapp.utils;
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+
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+import android.content.Context;
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+
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+import com.sunwin.visitorapp.db.LogModel;
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+
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+import java.io.File;
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+import java.io.FileInputStream;
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+import java.io.IOException;
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+import java.io.InputStream;
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+import jxl.Workbook;
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+import jxl.WorkbookSettings;
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+import jxl.format.Colour;
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+import jxl.write.Label;
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+import jxl.write.WritableCell;
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+import jxl.write.WritableCellFormat;
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+import jxl.write.WritableFont;
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+import jxl.write.WritableSheet;
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+import jxl.write.WritableWorkbook;
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+import jxl.write.WriteException;
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+
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+public class ExcelUtil {
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+ private static WritableFont arial14font = null;
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+
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+ private static WritableCellFormat arial14format = null;
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+ private static WritableFont arial10font = null;
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+ private static WritableCellFormat arial10format = null;
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+ private static WritableFont arial12font = null;
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+ private static WritableCellFormat arial12format = null;
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+ private final static String UTF8_ENCODING = "UTF-8";
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+
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+
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+ /**
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+ * 单元格的格式设置 字体大小 颜色 对齐方式、背景颜色等...
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+ */
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+ private static void format() {
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+ try {
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+ arial14font = new WritableFont(WritableFont.ARIAL, 14, WritableFont.BOLD);
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+ arial14font.setColour(Colour.LIGHT_BLUE);
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+ arial14format = new WritableCellFormat(arial14font);
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+ arial14format.setAlignment(jxl.format.Alignment.CENTRE);
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+ arial14format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
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+ arial14format.setBackground(Colour.VERY_LIGHT_YELLOW);
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+
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+ arial10font = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);
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+ arial10format = new WritableCellFormat(arial10font);
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+ arial10format.setAlignment(jxl.format.Alignment.CENTRE);
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+ arial10format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
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+ arial10format.setBackground(Colour.GRAY_25);
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+
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+ arial12font = new WritableFont(WritableFont.ARIAL, 10);
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+ arial12format = new WritableCellFormat(arial12font);
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+ //对齐格式
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+ arial10format.setAlignment(jxl.format.Alignment.CENTRE);
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+ //设置边框
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+ arial12format.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.THIN);
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+
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+ } catch (WriteException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+
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+ /**
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+ * 初始化Excel表格
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+ *
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+ * @param filePath 存放excel文件的路径（path/demo.xls）
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+ * @param sheetName Excel表格的表名
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+ * @param colName excel中包含的列名（可以有多个）
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+ */
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+ public static void initExcel(String filePath, String sheetName, String[] colName) {
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+ format();
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+ WritableWorkbook workbook = null;
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+ try {
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+ File file = new File(filePath);
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+ if (!file.exists()) {
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+ file.createNewFile();
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+ } else {
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+ return;
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+ }
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+ workbook = Workbook.createWorkbook(file);
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+ //设置表格的名字
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+ WritableSheet sheet = workbook.createSheet(sheetName, 0);
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+ //创建标题栏
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+ sheet.addCell((WritableCell) new Label(0, 0, filePath, arial14format));
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+ for (int col = 0; col < colName.length; col++) {
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+ sheet.addCell(new Label(col, 0, colName[col], arial10format));
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+ }
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+ //设置行高
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+ sheet.setRowView(0, 340);
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+ workbook.write();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ } finally {
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+ if (workbook != null) {
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+ try {
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+ workbook.close();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 将制定类型的List写入Excel中
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+ *
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+ */
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+ @SuppressWarnings("unchecked")
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+ public static void writeObjListToExcel(List<LogModel> objList, String fileName, Context mContext) {
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+ if (objList != null && objList.size() > 0) {
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+ WritableWorkbook writebook = null;
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+ InputStream in = null;
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+ try {
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+ WorkbookSettings setEncode = new WorkbookSettings();
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+ setEncode.setEncoding(UTF8_ENCODING);
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+
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+ in = new FileInputStream(new File(fileName));
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+ Workbook workbook = Workbook.getWorkbook(in);
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+ writebook = Workbook.createWorkbook(new File(fileName), workbook);
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+ WritableSheet sheet = writebook.getSheet(0);
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+
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+ for (int j = 0; j < objList.size(); j++) {
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+ LogModel demoBean = (LogModel) objList.get(j);
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+ List<String> list = new ArrayList<>();
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+ list.add(demoBean.name);
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+ list.add(demoBean.type);
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+ list.add(TimeUtils.stampToTime(demoBean.time));
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+
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+ for (int i = 0; i < list.size(); i++) {
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+ sheet.addCell(new Label(i, j + 1, list.get(i), arial12format));
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+ if (list.get(i).length() <= 4) {
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+ //设置列宽
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+ sheet.setColumnView(i, list.get(i).length() + 8);
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+ } else {
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+ //设置列宽
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+ sheet.setColumnView(i, list.get(i).length() + 5);
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+ }
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+ }
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+ //设置行高
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+ sheet.setRowView(j + 1, 350);
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+ }
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+
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+ writebook.write();
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+ workbook.close();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ } finally {
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+ if (writebook != null) {
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+ try {
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+ writebook.close();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+
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+ }
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+ if (in != null) {
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+ try {
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+ in.close();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ }
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+
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+ }
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+ }
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+}
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