@JsonInclude(JsonInclude.Include.NON_NULL) :前端要求空对象不返回给前端;
@ExcelField(title ="次数",align =1,sort =2):导出返回的对象必加:列名;align:居中显示;sort:导出顺序;
DTO:
package com.unisound.iot.smart.dao.model;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.unisound.iot.smart.common.utils.ExcelField;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
/**
* 敏感词统计查询
*
* @author lht
*/
@Document(collection ="sensitive_count_stat")
@Data
@NoArgsConstructor
@ToString
@AllArgsConstructor
@JsonInclude(JsonInclude.Include.NON_NULL)
public class SensitiveCountStat {
@ExcelField(title ="次数",align =1,sort =2)
Integer total;
@ExcelField(title ="敏感词",align =1,sort =1)
String sw;
}
接口:
@ApiOperation(value ="导出敏感词")
@GetMapping("exportSensitiveWordStat")
public Result exportSensitiveWordStat(@RequestBody SensitiveWordStatParam param,
HttpServletRequest request, HttpServletResponse response) throws Exception {
Result
> listResult = sensitiveWordStat(param);
if (ErrorCodeEnum.SUCCESS.getCode().equals(listResult.getErrorCode())){
return Result.error(ErrorCodeEnum.SYSTEM_ERROR);
}
try {
List
list =listResult.getResult(); ExportExcel excel =new ExportExcel("", ProductDO.class);
excel.setDataList(list);
String fileName =UUIDGenerator.generateCommonUUID() +".xlsx";
excel.write(response, fileName).dispose();
}catch (IOException e) {
log.error("导出敏感词异常。敏感词数据:{},传参:{}",listResult,param);
throw new Exception("导出异常");
}
return Result.success(ErrorCodeEnum.SUCCESS);
}
工具类:
package com.unisound.iot.smart.utils;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.DVConstraint;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Lists;
import com.unisound.iot.smart.common.utils.DictUtils;
import com.unisound.iot.smart.common.utils.Encodes;
import com.unisound.iot.smart.common.utils.ExcelField;
import com.unisound.iot.smart.common.utils.Reflections;
/**
* 导出Excel文件(导出“XLSX”格式,支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion)
* @author
* @version 2013-04-21
*/
public class ExportExcel {
private static Logger log =LoggerFactory.getLogger(ExportExcel.class);
/**
* 工作薄对象
*/
private SXSSFWorkbook wb;
/**
* 工作表对象
*/
private Sheet sheet;
/**
* 样式列表
*/
private Map
styles; /**
* 当前行号
*/
private int rownum;
/**
* 注解列表(Object[]{ ExcelField, Field/Method })
*/
List
/**
* 构造函数
* @param title 表格标题,传“空值”,表示无标题
* @param cls 实体对象,通过annotation.ExportField获取标题
*/
public ExportExcel(String title, Class> cls){
this(title, cls, 1);
}
/**
* 构造函数
* @param title 表格标题,传“空值”,表示无标题
* @param cls 实体对象,通过annotation.ExportField获取标题
* @param type 导出类型(1:导出数据;2:导出模板)
* @param groups 导入分组
*/
public ExportExcel(String title, Class> cls, int type, int...groups){
// Get annotation field
Field[] fs =cls.getDeclaredFields();
for (Field f :fs){
ExcelField ef =f.getAnnotation(ExcelField.class);
if (ef !=null &&(ef.type()==0 ||ef.type()==type)){
if (groups!=null &&groups.length>0){
boolean inGroup =false;
for (int g :groups){
if (inGroup){
break;
}
for (int efg :ef.groups()){
if (g ==efg){
inGroup =true;
annotationList.add(new Object[]{ef, f});
break;
}
}
}
}else{
annotationList.add(new Object[]{ef, f});
}
}
}
// Get annotation method
Method[] ms =cls.getDeclaredMethods();
for (Method m :ms){
ExcelField ef =m.getAnnotation(ExcelField.class);
if (ef !=null &&(ef.type()==0 ||ef.type()==type)){
if (groups!=null &&groups.length>0){
boolean inGroup =false;
for (int g :groups){
if (inGroup){
break;
}
for (int efg :ef.groups()){
if (g ==efg){
inGroup =true;
annotationList.add(new Object[]{ef, m});
break;
}
}
}
}else{
annotationList.add(new Object[]{ef, m});
}
}
}
// Field sorting
Collections.sort(annotationList, new Comparator
public int compare(Object[] o1, Object[] o2) {
return new Integer(((ExcelField)o1[0]).sort()).compareTo(
new Integer(((ExcelField)o2[0]).sort()));
};
});
// Initialize
List
headerList =Lists.newArrayList(); for (Object[] os :annotationList){
String t =((ExcelField)os[0]).title();
// 如果是导出,则去掉注释
if (type==1){
String[] ss =StringUtils.split(t, "**", 2);
if (ss.length==2){
t =ss[0];
}
}
headerList.add(t);
}
initialize(title, headerList);
}
/**
* 构造函数
* @param title 表格标题,传“空值”,表示无标题
* @param headers 表头数组
*/
public ExportExcel(String title, String[] headers) {
initialize(title, Lists.newArrayList(headers));
}
/**
* 构造函数
* @param title 表格标题,传“空值”,表示无标题
* @param headerList 表头列表
*/
public ExportExcel(String title, List
headerList) { initialize(title, headerList);
}
/**
* 初始化函数
* @param title 表格标题,传“空值”,表示无标题
* @param headerList 表头列表
*/
private void initialize(String title, List
headerList) { this.wb =new SXSSFWorkbook(500);
this.sheet =wb.createSheet("Export");
this.styles = createStyles(wb);
// Create title
if (StringUtils.isNotBlank(title)){
Row titleRow =sheet.createRow(rownum++);
titleRow.setHeightInPoints(30);
Cell titleCell =titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
titleCell.setCellValue(title);
sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
}
// Create header
if (headerList ==null){
throw new RuntimeException("headerList not null!");
}
Row headerRow =sheet.createRow(rownum++);
headerRow.setHeightInPoints(16);
for (int i =0; i
Cell cell =headerRow.createCell(i);
//当存在*时设置红色必填字体
if(headerList.get(i).contains("*")) {
cell.setCellStyle(styles.get("redHeader"));
}else {
cell.setCellStyle(styles.get("header"));
}
String[] ss =StringUtils.split(headerList.get(i), "**", 2);
if (ss.length==2){
cell.setCellValue(ss[0]);
Comment comment =this.sheet.createDrawingPatriarch().createCellComment(
new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
comment.setString(new XSSFRichTextString(ss[1]));
cell.setCellComment(comment);
}else{
cell.setCellValue(headerList.get(i));
}
//sheet.autoSizeColumn(i);
}
for (int i =0; i
int colWidth =sheet.getColumnWidth(i)*2;
sheet.setColumnWidth(i, colWidth <3000 ?3000 :colWidth);
}
log.debug("Initialize success.");
}
/**
* 创建表格样式
* @param wb 工作薄对象
* @return 样式列表
*/
private Map
createStyles(Workbook wb) { Map
styles =new HashMap (); CellStyle style =wb.createCellStyle();
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
Font titleFont =wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
style.setFont(titleFont);
styles.put("title", style);
style =wb.createCellStyle();
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
style.setBorderRight(CellStyle.BORDER_THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(CellStyle.BORDER_THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(CellStyle.BORDER_THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(CellStyle.BORDER_THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
Font dataFont =wb.createFont();
dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10);
style.setFont(dataFont);
styles.put("data", style);
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_LEFT);
styles.put("data1", style);
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_CENTER);
styles.put("data2", style);
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_RIGHT);
styles.put("data3", style);
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
// style.setWrapText(true);
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(CellStyle.SOLID_FOREGROUND);
Font headerFont =wb.createFont();
headerFont.setFontName("Arial");
headerFont.setFontHeightInPoints((short) 10);
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
// style.setWrapText(true);
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(CellStyle.SOLID_FOREGROUND);
Font headerRedFont =wb.createFont();
headerRedFont.setFontName("Arial");
headerRedFont.setFontHeightInPoints((short) 10);
headerRedFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerRedFont.setColor(IndexedColors.RED.getIndex());//红色字体
style.setFont(headerRedFont);
styles.put("redHeader", style);
//新增的四句话,设置CELL格式为文本格式
style =wb.createCellStyle();
style.cloneStyleFrom(styles.get("data2"));
DataFormat format =wb.createDataFormat();
style.setDataFormat(format.getFormat("@"));
styles.put("StringText", style);
return styles;
}
/**
* 添加一行
* @return 行对象
*/
public Row addRow(){
return sheet.createRow(rownum++);
}
/**
* 添加一个单元格
* @param row 添加的行
* @param column 添加列号
* @param val 添加值
* @return 单元格对象
*/
public Cell addCell(Row row, int column, Object val){
return this.addCell(row, column, val, 0, Class.class);
}
/**
* 添加一个单元格
* @param row 添加的行
* @param column 添加列号
* @param val 添加值
* @param align 对齐方式(1:靠左;2:居中;3:靠右)
* @return 单元格对象
*/
public Cell addCell(Row row, int column, Object val, int align, Class> fieldType){
Cell cell =row.createCell(column);
CellStyle style =styles.get("data"+(align>=1&&align<=3?align:""));
try {
if (val ==null){
cell.setCellValue("");
} else if (val instanceof String) {
cell.setCellValue((String) val);
} else if (val instanceof Integer) {
cell.setCellValue((Integer) val);
} else if (val instanceof Long) {
cell.setCellStyle(styles.get("StringText"));
cell.setCellValue((String) val);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
} else if (val instanceof Double) {
cell.setCellValue((Double) val);
} else if (val instanceof Float) {
cell.setCellValue((Float) val);
} else if (val instanceof Date) {
DataFormat format =wb.createDataFormat();
style.setDataFormat(format.getFormat("yyyy-MM-dd"));
cell.setCellValue((Date) val);
} else {
if (fieldType !=Class.class){
cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
}else{
cell.setCellValue((String)Class.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(),
"fieldtype."+val.getClass().getSimpleName()+"Type")).getMethod("setValue", Object.class).invoke(null, val));
}
}
} catch (Exception ex) {
log.error("Set cell value ["+row.getRowNum()+","+column+"] error: " +ex.toString());
cell.setCellValue("");
}
cell.setCellStyle(style);
return cell;
}
/**
* 添加数据(通过annotation.ExportField添加数据)
* @return list 数据列表
*/
public
ExportExcel setDataList(List list){ for (E e :list){
int colunm =0;
Row row =this.addRow();
StringBuilder sb =new StringBuilder();
for (Object[] os :annotationList){
ExcelField ef =(ExcelField)os[0];
Object val =null;
// Get entity value
try{
if (StringUtils.isNotBlank(ef.value())){
val =Reflections.invokeGetter(e, ef.value());
}else{
if (os[1] instanceof Field){
val =Reflections.invokeGetter(e, ((Field)os[1]).getName());
}else if (os[1] instanceof Method){
val =Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
}
}
// If is dict, get dict label
if (StringUtils.isNotBlank(ef.dictType())){
val =DictUtils.getDictLabel(val==null?"":val.toString(), ef.dictType(), "");
}
}catch(Exception ex) {
// Failure to ignore
log.info(ex.toString());
val ="";
}
this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
sb.append(val +", ");
}
log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
}
return this;
}
/**
* 添加列数据验证
* @param dataSource
* @param col
*/
public void addDataValidationDropDownList(String[] dataSource, int col) {
sheet.addValidationData(this.createDataValidation(sheet, dataSource, col));
}
/**
* 添加整型验证
* @param dataSource
* @param col
*/
public void addDataValidationInteger(int col,Integer start,Integer end) {
sheet.addValidationData(this.CreateDataValidationForInteger(sheet, col,start,end));
}
/**
* 添加整型验证
* @param dataSource
* @param col
*/
public void addDataValidationDecimal(int col,Double start,Double end) {
sheet.addValidationData(this.CreateDataValidationForDecimal(sheet, col,start,end));
}
/**
* excel添加下拉数据校验
* @param sheet 哪个 sheet 页添加校验
* @param dataSource 数据源数组
* @param col 第几列校验(0开始)
* @return
*/
public DataValidation createDataValidation(Sheet sheet, String[] dataSource, int col) {
CellRangeAddressList cellRangeAddressList =new CellRangeAddressList(1, 65535, col, col);
DataValidationHelper helper =sheet.getDataValidationHelper();
DataValidationConstraint constraint =helper.createExplicitListConstraint(dataSource);
DataValidation dataValidation =helper.createValidation(constraint, cellRangeAddressList);
//处理Excel兼容性问题
if (dataValidation instanceof XSSFDataValidation) {
dataValidation.setSuppressDropDownArrow(true);
dataValidation.setShowErrorBox(true);
} else {
dataValidation.setSuppressDropDownArrow(false);
}
dataValidation.setEmptyCellAllowed(true);
dataValidation.setShowPromptBox(true);
dataValidation.createPromptBox("提示", "只能选择下拉框里面的数据");
return dataValidation;
}
/**
* 填写整型数据
* @param sheet
* @param dataSource
* @param col
* @return
*/
public DataValidation CreateDataValidationForInteger(Sheet sheet, int col,Integer start,Integer end) {
CellRangeAddressList dstAddrList2 =new CellRangeAddressList(1, 65535, col,col);// 规则二单元格范围
DataValidationHelper helper =sheet.getDataValidationHelper();
DataValidationConstraint dvc =helper.createNumericConstraint(DVConstraint.ValidationType.INTEGER,
DVConstraint.OperatorType.BETWEEN, start+"", end+"");
DataValidation dataValidation =helper.createValidation(dvc, dstAddrList2);
dataValidation.createErrorBox("请填写正确整型数字!", "请填写正确整型数字!");
dataValidation.setEmptyCellAllowed(false);
dataValidation.setShowErrorBox(true);
//sheet.addValidationData(dataValidation);
return dataValidation;
}
/**
* 填写浮点型
* @param sheet
* @param dataSource
* @param col
* @return
*/
public DataValidation CreateDataValidationForDecimal(Sheet sheet, int col,Double start,Double end) {
CellRangeAddressList dstAddrList2 =new CellRangeAddressList(1, 65535, col,col);// 规则二单元格范围
DataValidationHelper helper =sheet.getDataValidationHelper();
DataValidationConstraint dvc =helper.createNumericConstraint(DVConstraint.ValidationType.DECIMAL,
DVConstraint.OperatorType.BETWEEN, start+"", end+"");
DataValidation dataValidation =helper.createValidation(dvc, dstAddrList2);
dataValidation.createErrorBox("请填写正确数字!", "请填写正确数字!");
dataValidation.setEmptyCellAllowed(false);
dataValidation.setShowErrorBox(true);
//sheet.addValidationData(dataValidation);
return dataValidation;
}
/**
* 输出数据流
* @param os 输出数据流
*/
public ExportExcel write(OutputStream os) throws IOException{
wb.write(os);
return this;
}
/**
* 输出到客户端
* @param fileName 输出文件名
*/
public ExportExcel write(HttpServletResponse response, String fileName) throws IOException{
response.reset();
response.setContentType("application/octet-stream; charset=utf-8");
response.setHeader("Content-Disposition", "attachment; filename="+Encodes.urlEncode(fileName));
write(response.getOutputStream());
return this;
}
/**
* 输出到文件
* @param fileName 输出文件名
*/
public ExportExcel writeFile(String name) throws FileNotFoundException, IOException{
FileOutputStream os =new FileOutputStream(name);
this.write(os);
return this;
}
/**
* 清理临时文件
*/
public ExportExcel dispose(){
wb.dispose();
return this;
}
// /**
// * 导出测试
// */
// public static void main(String[] args) throws Throwable {
//
// List headerList = Lists.newArrayList();
// for (int i = 1; i <= 10; i++) {
// headerList.add("表头"+i);
// }
//
// List dataRowList = Lists.newArrayList();
// for (int i = 1; i <= headerList.size(); i++) {
// dataRowList.add("数据"+i);
// }
//
// List> dataList = Lists.newArrayList();
// for (int i = 1; i <=1000000; i++) {
// dataList.add(dataRowList);
// }
//
// ExportExcel ee = new ExportExcel("表格标题", headerList);
//
// for (int i = 0; i < dataList.size(); i++) {
// Row row = ee.addRow();
// for (int j = 0; j < dataList.get(i).size(); j++) {
// ee.addCell(row, j, dataList.get(i).get(j));
// }
// }
//
// ee.writeFile("target/export.xlsx");
//
// ee.dispose();
//
// log.debug("Export success.");
//
// }
}