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疯狂的狮子li
2021-09-27 17:34:31 +08:00
parent ed9c4c5d5f 7fcb1b2e0a
commit 96d80b9581
54 changed files with 1135 additions and 873 deletions
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13
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/annotation/Excel.java
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@@ -5,6 +5,7 @@ import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.math.BigDecimal;
import com.ruoyi.common.core.utils.poi.ExcelHandlerAdapter;
/**
* 自定义导出Excel数据注解
@@ -103,7 +104,17 @@ public @interface Excel
/**
* 导出字段对齐方式（0：默认；1：靠左；2：居中；3：靠右）
*/
Align align() default Align.AUTO;
public Align align() default Align.AUTO;
/**
* 自定义数据处理器
*/
public Class<?> handler() default ExcelHandlerAdapter.class;
/**
* 自定义数据处理器参数
*/
public String[] args() default {};
public enum Align
{

1
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/file/FileUtils.java
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@@ -244,6 +244,7 @@ public class FileUtils
.append(percentEncodedFileName);
response.setHeader("Content-disposition", contentDispositionValue.toString());
response.setHeader("download-filename", percentEncodedFileName);
}
/**

2
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/html/HTMLFilter.java
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@@ -387,7 +387,7 @@ public final class HTMLFilter
{
paramValue = processParamProtocol(paramValue);
}
params.append(' ').append(paramName).append("=\"").append(paramValue).append("\"");
params.append(' ').append(paramName).append("=\\\"").append(paramValue).append("\"");
}
}

19
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelHandlerAdapter.java Normal file
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@@ -0,0 +1,19 @@
package com.ruoyi.common.core.utils.poi;
/**
* Excel数据格式处理适配器
*
* @author ruoyi
*/
public interface ExcelHandlerAdapter
{
/**
* 格式化
*
* @param value 单元格数据值
* @param args excel注解args参数组
*
* @return 处理后的值
*/
Object format(Object value, String[] args);
}

177
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
View File

@@ -4,6 +4,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList;
@@ -35,6 +36,7 @@ import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
@@ -102,6 +104,16 @@ public class ExcelUtil<T>
*/
private List<Object[]> fields;
/**
* 当前行号
*/
private int rownum;
/**
* 标题
*/
private String title;
/**
* 最大高度
*/
@@ -127,7 +139,7 @@ public class ExcelUtil<T>
this.clazz = clazz;
}
public void init(List<T> list, String sheetName, Type type)
public void init(List<T> list, String sheetName, String title, Type type)
{
if (list == null)
{
@@ -136,8 +148,27 @@ public class ExcelUtil<T>
this.list = list;
this.sheetName = sheetName;
this.type = type;
this.title = title;
createExcelField();
createWorkbook();
createTitle();
}
/**
* 创建excel第一行标题
*/
public void createTitle()
{
if (StringUtils.isNotEmpty(title))
{
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
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(),
this.fields.size() - 1));
}
}
/**
@@ -148,33 +179,36 @@ public class ExcelUtil<T>
*/
public List<T> importExcel(InputStream is) throws Exception
{
return importExcel(StringUtils.EMPTY, is);
return importExcel(is, 0);
}
/**
* 对excel表单默认第一个索引名转换成list
*
* @param is 输入流
* @param titleNum 标题占用行数
* @return 转换后集合
*/
public List<T> importExcel(InputStream is, int titleNum) throws Exception
{
return importExcel(StringUtils.EMPTY, is, titleNum);
}
/**
* 对excel表单指定表格索引名转换成list
*
* @param sheetName 表格索引名
* @param titleNum 标题占用行数
* @param is 输入流
* @return 转换后集合
*/
public List<T> importExcel(String sheetName, InputStream is) throws Exception
public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception
{
this.type = Type.IMPORT;
this.wb = WorkbookFactory.create(is);
List<T> list = new ArrayList<T>();
Sheet sheet = null;
if (StringUtils.isNotEmpty(sheetName))
{
// 如果指定sheet名,则取指定sheet中的内容.
sheet = wb.getSheet(sheetName);
}
else
{
// 如果传入的sheet名不存在则默认指向第1个sheet.
sheet = wb.getSheetAt(0);
}
// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
if (sheet == null)
{
throw new IOException("文件sheet不存在");
@@ -188,7 +222,7 @@ public class ExcelUtil<T>
// 定义一个map用于存放excel列的序号和field.
Map<String, Integer> cellMap = new HashMap<String, Integer>();
// 获取表头
Row heard = sheet.getRow(0);
Row heard = sheet.getRow(titleNum);
for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
{
Cell cell = heard.getCell(i);
@@ -221,7 +255,7 @@ public class ExcelUtil<T>
}
}
}
for (int i = 1; i <= rows; i++)
for (int i = titleNum + 1; i <= rows; i++)
{
// 从第2行开始取数据,默认第一行是表头.
Row row = sheet.getRow(i);
@@ -308,6 +342,10 @@ public class ExcelUtil<T>
{
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
val = dataFormatHandlerAdapter(val, attr);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
}
@@ -326,14 +364,35 @@ public class ExcelUtil<T>
* @return 结果
* @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)throws IOException
{
exportExcel(response, list, sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
* @throws IOException
*/
public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) throws IOException
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(list, sheetName, Type.EXPORT);
this.init(list, sheetName, title, Type.EXPORT);
exportExcel(response.getOutputStream());
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @return 结果
*/
/**
* 对list数据源将其里面的数据导入到excel表单
*
@@ -341,10 +400,22 @@ public class ExcelUtil<T>
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
{
importTemplateExcel(response, sheetName);
}
/**
* 对list数据源将其里面的数据导入到excel表单
*
* @param sheetName 工作表的名称
* @param title 标题
* @return 结果
*/
public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) throws IOException
{
response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
this.init(null, sheetName, Type.IMPORT);
this.init(null, sheetName, title, Type.IMPORT);
exportExcel(response.getOutputStream());
}
@@ -377,13 +448,13 @@ public class ExcelUtil<T>
public void writeSheet()
{
// 取出一共有多少个sheet.
double sheetNo = Math.ceil(list.size() / sheetSize);
for (int index = 0; index <= sheetNo; index++)
int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
for (int index = 0; index < sheetNo; index++)
{
createSheet(sheetNo, index);
// 产生一行
Row row = sheet.createRow(0);
Row row = sheet.createRow(rownum);
int column = 0;
// 写入各个字段的列头名称
for (Object[] os : fields)
@@ -411,7 +482,7 @@ public class ExcelUtil<T>
int endNo = Math.min(startNo + sheetSize, list.size());
for (int i = startNo; i < endNo; i++)
{
row = sheet.createRow(i + 1 - startNo);
row = sheet.createRow(i + 1 + rownum - startNo);
// 得到导出对象.
T vo = (T) list.get(i);
int column = 0;
@@ -439,6 +510,16 @@ public class ExcelUtil<T>
CellStyle style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
Font titleFont = wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBold(true);
style.setFont(titleFont);
styles.put("title", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(BorderStyle.THIN);
@@ -466,7 +547,7 @@ public class ExcelUtil<T>
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -633,6 +714,10 @@ public class ExcelUtil<T>
{
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
cell.setCellValue(dataFormatHandlerAdapter(value, attr));
}
else
{
// 设置列类型
@@ -779,6 +864,28 @@ public class ExcelUtil<T>
return StringUtils.stripEnd(propertyString.toString(), separator);
}
/**
* 数据处理器
*
* @param value 数据值
* @param excel 数据注解
* @return
*/
public String dataFormatHandlerAdapter(Object value, Excel excel)
{
try
{
Object instance = excel.handler().newInstance();
Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
value = formatMethod.invoke(instance, value, excel.args());
}
catch (Exception e)
{
log.error("不能格式化数据 " + excel.handler(), e.getMessage());
}
return Convert.toStr(value);
}
/**
* 合计统计信息
*/
@@ -809,10 +916,9 @@ public class ExcelUtil<T>
{
if (statistics.size() > 0)
{
Cell cell = null;
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
Set<Integer> keys = statistics.keySet();
cell = row.createCell(0);
Cell cell = row.createCell(0);
cell.setCellStyle(styles.get("total"));
cell.setCellValue("合计");
@@ -908,7 +1014,7 @@ public class ExcelUtil<T>
this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
this.maxHeight = getRowHeight();
}
/**
* 根据注解获取最大行高
*/
@@ -940,6 +1046,9 @@ public class ExcelUtil<T>
public void createWorkbook()
{
this.wb = new SXSSFWorkbook(500);
this.sheet = wb.createSheet();
wb.setSheetName(0, sheetName);
this.styles = createStyles(wb);
}
/**
@@ -948,17 +1057,13 @@ public class ExcelUtil<T>
* @param sheetNo sheet数量
* @param index 序号
*/
public void createSheet(double sheetNo, int index)
public void createSheet(int sheetNo, int index)
{
this.sheet = wb.createSheet();
this.styles = createStyles(wb);
// 设置工作表的名称.
if (sheetNo == 0)
{
wb.setSheetName(index, sheetName);
}
else
if (sheetNo > 1 && index > 0)
{
this.sheet = wb.createSheet();
this.createTitle();
wb.setSheetName(index, sheetName + index);
}
}