package com.zy.crm.manager.utils;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import org.apache.poi.ss.usermodel.BorderStyle;
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import org.apache.poi.ss.usermodel.FillPatternType;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.VerticalAlignment;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.xssf.usermodel.*;
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import org.springframework.util.ClassUtils;
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import java.awt.*;
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import java.io.*;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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public class ExcelUtils {
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//保存excel文件到本地服务器磁盘
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public static String saveExcelFile(String title, String excelData) {
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SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd_HHmmss");
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String path = ClassUtils.getDefaultClassLoader().getResource("excel").getPath();
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String filename = title + "_" + format.format(new Date()) + ".xlsx";
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String filepath = path + "/" + filename;
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ExcelUtils.exportLuckySheetXlsxByPOI("", path,"/" + filename,excelData);
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return filepath;
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}
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/***
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* 基于POI解析 从0开始导出xlsx文件，
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* @param title 表格名
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* @param newFileDir 保存的文件夹名
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* @param newFileName 保存的文件名
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* @param excelData luckysheet 表格数据
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*/
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public static void exportLuckySheetXlsxByPOI(String title, String newFileDir, String newFileName, String excelData) {
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//去除luckysheet中 
 的换行
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excelData = excelData.replace("
", "\\r\\n");
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//获取luckysheet数据 sheet:[{name:sheet1, ...},{}, ...]
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JSONArray jsonArray = (JSONArray) JSONObject.parse(excelData);
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//创建操作Excel的XSSFWorkbook对象
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XSSFWorkbook excel = new XSSFWorkbook();
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for (int sheetIndex = 0; sheetIndex < jsonArray.size(); sheetIndex++) {
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//获取sheet
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JSONObject jsonObject = (JSONObject) jsonArray.get(sheetIndex);
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JSONArray celldataObjectList = jsonObject.getJSONArray("celldata");//获取所有单元格（坐标，内容，字体类型，字体大小...）
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JSONArray rowObjectList = jsonObject.getJSONArray("visibledatarow");
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JSONArray colObjectList = jsonObject.getJSONArray("visibledatacolumn");
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JSONArray dataObjectList = jsonObject.getJSONArray("data");//获取所有单元格,与celldata类似（坐标，内容，字体类型，字体大小...）
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JSONObject mergeObject = jsonObject.getJSONObject("config").getJSONObject("merge");//合并单元格
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JSONObject columnlenObject = jsonObject.getJSONObject("config").getJSONObject("columnlen");//表格列宽
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JSONObject rowlenObject = jsonObject.getJSONObject("config").getJSONObject("rowlen");//表格行高
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JSONArray borderInfoObjectList = jsonObject.getJSONObject("config").getJSONArray("borderInfo");//边框样式
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//参考：https://blog.csdn.net/jdtugfcg/article/details/84100315
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XSSFCellStyle cellStyle = excel.createCellStyle();
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//创建XSSFSheet对象
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XSSFSheet sheet = excel.createSheet(jsonObject.getString("name"));
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//我们都知道excel是表格，即由一行一行组成的，那么这一行在java类中就是一个XSSFRow对象，我们通过XSSFSheet对象就可以创建XSSFRow对象
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//如：创建表格中的第一行（我们常用来做标题的行) XSSFRow firstRow = sheet.createRow(0); 注意下标从0开始
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//根据luckysheet创建行列
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//创建行和列
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if (rowObjectList != null && rowObjectList.size() > 0) {
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for (int i = 0; i < rowObjectList.size(); i++) {
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XSSFRow row = sheet.createRow(i);//创建行
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try {
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row.setHeightInPoints(Float.parseFloat(rowlenObject.get(i) + ""));//行高px值
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} catch (Exception e) {
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row.setHeightInPoints(20f);//默认行高
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}
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if (colObjectList != null && colObjectList.size() > 0) {
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for (int j = 0; j < colObjectList.size(); j++) {
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if (columnlenObject != null && columnlenObject.getInteger(j + "") != null) {
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sheet.setColumnWidth(j, columnlenObject.getInteger(j + "") * 42);//列宽px值
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}
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row.createCell(j);//创建列
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}
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}
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}
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}
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//设置值,样式
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setCellValue(celldataObjectList, borderInfoObjectList, sheet, excel);
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// 判断路径是否存在
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File dir = new File(newFileDir);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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OutputStream out = null;
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try {
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out = new FileOutputStream(newFileDir + newFileName);
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excel.write(out);
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out.close();
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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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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* 合并单元格与填充单元格颜色
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* @param jsonObjectValue
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* @param sheet
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* @param style
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*/
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private static void setMergeAndColorByObject(JSONObject jsonObjectValue, XSSFSheet sheet, XSSFCellStyle style) {
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JSONObject mergeObject = (JSONObject) jsonObjectValue.get("mc");
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//合併單元格
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if (mergeObject != null) {
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int r = (int) (mergeObject.get("r"));
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int c = (int) (mergeObject.get("c"));
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if ((mergeObject.get("rs") != null && (mergeObject.get("cs") != null))) {
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int rs = (int) (mergeObject.get("rs"));
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int cs = (int) (mergeObject.get("cs"));
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CellRangeAddress region = new CellRangeAddress(r, r + rs - 1, (short) (c), (short) (c + cs - 1));
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sheet.addMergedRegion(region);
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}
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}
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//填充顏色
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if (jsonObjectValue.getString("bg") != null) {
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int bg = Integer.parseInt(jsonObjectValue.getString("bg").replace("#", ""), 16);
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style.setFillPattern(FillPatternType.SOLID_FOREGROUND); //设置填充方案
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style.setFillForegroundColor(new XSSFColor(new Color(bg))); //设置填充颜色
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}
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}
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private static void setBorder(JSONArray borderInfoObjectList, XSSFWorkbook workbook, XSSFSheet sheet) {
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//设置边框样式map
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Map<Integer, BorderStyle> bordMap = new HashMap<>();
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bordMap.put(1, BorderStyle.THIN);
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bordMap.put(2, BorderStyle.HAIR);
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bordMap.put(3, BorderStyle.DOTTED);
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bordMap.put(4, BorderStyle.DASHED);
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bordMap.put(5, BorderStyle.DASH_DOT);
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bordMap.put(6, BorderStyle.DASH_DOT_DOT);
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bordMap.put(7, BorderStyle.DOUBLE);
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bordMap.put(8, BorderStyle.MEDIUM);
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bordMap.put(9, BorderStyle.MEDIUM_DASHED);
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bordMap.put(10, BorderStyle.MEDIUM_DASH_DOT);
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// bordMap.put(11, BorderStyle.MEDIUM_DASH_DOT_DOT);
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bordMap.put(12, BorderStyle.SLANTED_DASH_DOT);
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bordMap.put(13, BorderStyle.THICK);
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//一定要通过 cell.getCellStyle() 不然的话之前设置的样式会丢失
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//设置边框
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if (borderInfoObjectList != null && borderInfoObjectList.size() > 0) {
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for (int i = 0; i < borderInfoObjectList.size(); i++) {
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JSONObject borderInfoObject = (JSONObject) borderInfoObjectList.get(i);
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if (borderInfoObject.get("rangeType").equals("cell")) {//单个单元格
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JSONObject borderValueObject = borderInfoObject.getJSONObject("value");
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JSONObject l = borderValueObject.getJSONObject("l");
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JSONObject r = borderValueObject.getJSONObject("r");
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JSONObject t = borderValueObject.getJSONObject("t");
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JSONObject b = borderValueObject.getJSONObject("b");
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int row = borderValueObject.getInteger("row_index");
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int col = borderValueObject.getInteger("col_index");
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XSSFCell cell = sheet.getRow(row).getCell(col);
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if (cell != null) {
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if (l != null) {
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cell.getCellStyle().setBorderLeft(bordMap.get((int) l.get("style"))); //左边框
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int bg = Integer.parseInt(l.getString("color").replace("#", ""), 16);
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cell.getCellStyle().setLeftBorderColor(new XSSFColor(new Color(bg)));//左边框颜色
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}
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if (r != null) {
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cell.getCellStyle().setBorderRight(bordMap.get((int) r.get("style"))); //右边框
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int bg = Integer.parseInt(r.getString("color").replace("#", ""), 16);
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cell.getCellStyle().setRightBorderColor(new XSSFColor(new Color(bg)));//右边框颜色
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}
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if (t != null) {
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cell.getCellStyle().setBorderTop(bordMap.get((int) t.get("style"))); //顶部边框
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int bg = Integer.parseInt(t.getString("color").replace("#", ""), 16);
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cell.getCellStyle().setTopBorderColor(new XSSFColor(new Color(bg)));//顶部边框颜色
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}
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if (b != null) {
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cell.getCellStyle().setBorderBottom(bordMap.get((int) b.get("style"))); //底部边框
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int bg = Integer.parseInt(b.getString("color").replace("#", ""), 16);
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cell.getCellStyle().setBottomBorderColor(new XSSFColor(new Color(bg)));//底部边框颜色
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}
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}
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} else if (borderInfoObject.get("rangeType").equals("range")) {//选区
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int bg_ = Integer.parseInt(borderInfoObject.getString("color").replace("#", ""), 16);
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int style_ = borderInfoObject.getInteger("style");
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JSONObject rangObject = (JSONObject) ((JSONArray) (borderInfoObject.get("range"))).get(0);
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JSONArray rowList = rangObject.getJSONArray("row");
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JSONArray columnList = rangObject.getJSONArray("column");
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for (int row_ = rowList.getInteger(0); row_ < rowList.getInteger(rowList.size() - 1) + 1; row_++) {
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for (int col_ = columnList.getInteger(0); col_ < columnList.getInteger(columnList.size() - 1) + 1; col_++) {
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XSSFCell cell = sheet.getRow(row_).getCell(col_);
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cell.getCellStyle().setBorderLeft(bordMap.get(style_)); //左边框
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cell.getCellStyle().setLeftBorderColor(new XSSFColor(new Color(bg_)));//左边框颜色
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cell.getCellStyle().setBorderRight(bordMap.get(style_)); //右边框
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cell.getCellStyle().setRightBorderColor(new XSSFColor(new Color(bg_)));//右边框颜色
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cell.getCellStyle().setBorderTop(bordMap.get(style_)); //顶部边框
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cell.getCellStyle().setTopBorderColor(new XSSFColor(new Color(bg_)));//顶部边框颜色
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cell.getCellStyle().setBorderBottom(bordMap.get(style_)); //底部边框
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cell.getCellStyle().setBottomBorderColor(new XSSFColor(new Color(bg_)));//底部边框颜色 }
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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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* 設置值和樣式
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* @param jsonObjectList
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* @param borderInfoObjectList
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* @param sheet
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* @param workbook
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*/
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private static void setCellValue(JSONArray jsonObjectList, JSONArray borderInfoObjectList, XSSFSheet
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sheet, XSSFWorkbook workbook) {
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//设置字体大小和颜色
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Map<Integer, String> fontMap = new HashMap<>();
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fontMap.put(-1, "Arial");
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fontMap.put(0, "Times New Roman");
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fontMap.put(1, "Arial");
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fontMap.put(2, "Tahoma");
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fontMap.put(3, "Verdana");
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fontMap.put(4, "微软雅黑");
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fontMap.put(5, "宋体");
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fontMap.put(6, "黑体");
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fontMap.put(7, "楷体");
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fontMap.put(8, "仿宋");
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fontMap.put(9, "新宋体");
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fontMap.put(10, "华文新魏");
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fontMap.put(11, "华文行楷");
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fontMap.put(12, "华文隶书");
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//遍歷每一個單元格（先遍歷行，再遍歷列）
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for (int index = 0; index < jsonObjectList.size(); index++) {
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XSSFCellStyle style = workbook.createCellStyle();//样式
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XSSFFont font = workbook.createFont();//字体样式
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//獲取單元格
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JSONObject object = jsonObjectList.getJSONObject(index);
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//str_ = 行坐標+列坐標=內容
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String str_ = (int) object.get("r") + "_" + object.get("c") + "=" + ((JSONObject) object.get("v")).get("v") + "\n";
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JSONObject jsonObjectValue = ((JSONObject) object.get("v"));//獲取單元格樣式
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//單元格內容
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String value = "";
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if (jsonObjectValue != null && jsonObjectValue.get("v") != null) {
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value = jsonObjectValue.getString("v");
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}
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if (sheet.getRow((int) object.get("r")) != null && sheet.getRow((int) object.get("r")).getCell((int) object.get("c")) != null) {
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XSSFCell cell = sheet.getRow((int) object.get("r")).getCell((int) object.get("c"));
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//設置公式 注意：luckysheet与Java的公式可能存在不匹配问题，例如js的Int(data)
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if (jsonObjectValue != null && jsonObjectValue.get("f") != null) {//如果有公式，设置公式
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value = jsonObjectValue.getString("f");
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cell.setCellFormula(value.substring(1,value.length()));//不需要=符号,例：INT(12.3)
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}
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//合并单元格与填充单元格颜色
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setMergeAndColorByObject(jsonObjectValue, sheet, style);
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//填充值
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cell.setCellValue(value);
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XSSFRow row = sheet.getRow((int) object.get("r"));
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//设置垂直水平对齐方式
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int vt = jsonObjectValue.getInteger("vt") == null ? 1 : jsonObjectValue.getInteger("vt");//垂直对齐 0 中间、1 上、2下
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int ht = jsonObjectValue.getInteger("ht") == null ? 1 : jsonObjectValue.getInteger("ht");//0 居中、1 左、2右
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switch (vt) {
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case 0:
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style.setVerticalAlignment(VerticalAlignment.CENTER);
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break;
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case 1:
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style.setVerticalAlignment(VerticalAlignment.TOP);
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break;
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case 2:
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style.setVerticalAlignment(VerticalAlignment.BOTTOM);
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break;
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}
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switch (ht) {
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case 0:
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style.setAlignment(HorizontalAlignment.CENTER);
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break;
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case 1:
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style.setAlignment(HorizontalAlignment.LEFT);
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break;
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case 2:
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style.setAlignment(HorizontalAlignment.RIGHT);
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break;
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}
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//设置合并单元格的样式有问题
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String ff = jsonObjectValue.getString("ff");//0 Times New Roman、 1 Arial、2 Tahoma 、3 Verdana、4 微软雅黑、5 宋体（Song）、6 黑体（ST Heiti）、7 楷体（ST Kaiti）、 8 仿宋（ST FangSong）、9 新宋体（ST Song）、10 华文新魏、11 华文行楷、12 华文隶书
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int fs = jsonObjectValue.getInteger("fs") == null ? 14 : jsonObjectValue.getInteger("fs");//字体大小
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int bl = jsonObjectValue.getInteger("bl") == null ? 0 : jsonObjectValue.getInteger("bl");//粗体 0 常规 、 1加粗
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int it = jsonObjectValue.getInteger("it") == null ? 0 : jsonObjectValue.getInteger("it");//斜体 0 常规 、 1 斜体
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String fc = jsonObjectValue.getString("fc") == null ? "" : jsonObjectValue.getString("fc");//字体颜色
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// font.setFontName(fontMap.get(ff));//字体名字
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//字體顏色
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if (fc.length() > 0) {
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font.setColor(new XSSFColor(new Color(Integer.parseInt(fc.replace("#", ""), 16))));
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}
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font.setFontName(ff);//字体名字
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font.setFontHeightInPoints((short) fs);//字体大小
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//是否粗體
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if (bl == 1) {
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font.setBold(true);//粗体显示
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}
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//是否斜體
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font.setItalic(it == 1 ? true : false);//斜体
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style.setFont(font);
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style.setWrapText(true);//设置自动换行
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cell.setCellStyle(style);
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} else {
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System.out.println("错误的=" + index + ">>>" + str_);
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}
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}
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//设置边框
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setBorder(borderInfoObjectList, workbook, sheet);
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}
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}
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