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@@ -4,12 +4,14 @@ import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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+import java.lang.reflect.ParameterizedType;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Arrays;
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+import java.util.Collection;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.HashMap;
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@@ -18,7 +20,9 @@ import java.util.Map;
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import java.util.Set;
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import java.util.stream.Collectors;
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import javax.servlet.http.HttpServletResponse;
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+import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.RegExUtils;
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+import org.apache.commons.lang3.reflect.FieldUtils;
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import org.apache.poi.ss.usermodel.BorderStyle;
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import org.apache.poi.ss.usermodel.Cell;
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import org.apache.poi.ss.usermodel.CellStyle;
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@@ -125,6 +129,26 @@ public class ExcelUtil<T>
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*/
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private short maxHeight;
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+ /**
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+ * 合并后最后行数
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+ */
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+ private int subMergedLastRowNum = 0;
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+
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+ /**
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+ * 合并后开始行数
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+ */
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+ private int subMergedFirstRowNum = 1;
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+
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+ /**
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+ * 对象的子列表方法
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+ */
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+ private Method subMethod;
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+
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+ /**
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+ * 对象的子列表属性
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+ */
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+ private List<Field> subFields;
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+
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/**
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* 统计列表
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*/
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@@ -140,11 +164,27 @@ public class ExcelUtil<T>
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*/
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public Class<T> clazz;
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+ /**
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+ * 需要排除列属性
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+ */
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+ public String[] excludeFields;
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+
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public ExcelUtil(Class<T> clazz)
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{
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this.clazz = clazz;
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}
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+ /**
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+ * 隐藏Excel中列属性
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+ *
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+ * @param fields 列属性名 示例[单个"name"/多个"id","name"]
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+ * @throws Exception
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+ */
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+ public void hideColumn(String... fields)
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+ {
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+ this.excludeFields = fields;
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+ }
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+
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public void init(List<T> list, String sheetName, String title, Type type)
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{
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if (list == null)
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@@ -158,6 +198,7 @@ public class ExcelUtil<T>
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createExcelField();
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createWorkbook();
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createTitle();
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+ createSubHead();
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}
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/**
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@@ -167,19 +208,54 @@ public class ExcelUtil<T>
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{
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if (StringUtils.isNotEmpty(title))
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{
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+ subMergedFirstRowNum++;
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+ subMergedLastRowNum++;
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+ int titleLastCol = this.fields.size() - 1;
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+ if (isSubList())
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+ {
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+ titleLastCol = titleLastCol + subFields.size() - 1;
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+ }
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Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
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titleRow.setHeightInPoints(30);
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Cell titleCell = titleRow.createCell(0);
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titleCell.setCellStyle(styles.get("title"));
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titleCell.setCellValue(title);
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- sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(),
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- this.fields.size() - 1));
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+ sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
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+ }
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+ }
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+
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+ /**
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+ * 创建对象的子列表名称
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+ */
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+ public void createSubHead()
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+ {
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+ if (isSubList())
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+ {
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+ subMergedFirstRowNum++;
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+ subMergedLastRowNum++;
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+ Row subRow = sheet.createRow(rownum);
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+ int excelNum = 0;
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+ for (Object[] objects : fields)
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+ {
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+ Excel attr = (Excel) objects[1];
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+ Cell headCell1 = subRow.createCell(excelNum);
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+ headCell1.setCellValue(attr.name());
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+ headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
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+ excelNum++;
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+ }
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+ int headFirstRow = excelNum - 1;
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+ int headLastRow = headFirstRow + subFields.size() - 1;
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+ if (headLastRow > headFirstRow)
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+ {
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+ sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));
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+ }
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+ rownum++;
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}
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}
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/**
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* 对excel表单默认第一个索引名转换成list
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- *
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+ *
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* @param is 输入流
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* @return 转换后集合
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*/
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@@ -190,7 +266,7 @@ public class ExcelUtil<T>
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/**
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* 对excel表单默认第一个索引名转换成list
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- *
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+ *
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* @param is 输入流
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* @param titleNum 标题占用行数
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* @return 转换后集合
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@@ -202,7 +278,7 @@ public class ExcelUtil<T>
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/**
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* 对excel表单指定表格索引名转换成list
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- *
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+ *
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* @param sheetName 表格索引名
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* @param titleNum 标题占用行数
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* @param is 输入流
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@@ -406,7 +482,6 @@ public class ExcelUtil<T>
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* @param list 导出数据集合
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* @param sheetName 工作表的名称
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* @return 结果
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- * @throws IOException
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*/
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public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
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{
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@@ -421,7 +496,6 @@ public class ExcelUtil<T>
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* @param sheetName 工作表的名称
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* @param title 标题
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* @return 结果
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- * @throws IOException
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*/
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public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
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{
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@@ -431,12 +505,6 @@ public class ExcelUtil<T>
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exportExcel(response);
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}
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- /**
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- * 对list数据源将其里面的数据导入到excel表单
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- *
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- * @param sheetName 工作表的名称
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- * @return 结果
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- */
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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@@ -465,7 +533,7 @@ public class ExcelUtil<T>
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/**
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* 对list数据源将其里面的数据导入到excel表单
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- *
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+ *
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* @return 结果
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*/
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public void exportExcel(HttpServletResponse response)
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@@ -502,8 +570,20 @@ public class ExcelUtil<T>
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// 写入各个字段的列头名称
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for (Object[] os : fields)
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{
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+ Field field = (Field) os[0];
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Excel excel = (Excel) os[1];
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- this.createCell(excel, row, column++);
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+ if (Collection.class.isAssignableFrom(field.getType()))
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+ {
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+ for (Field subField : subFields)
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+ {
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+ Excel subExcel = subField.getAnnotation(Excel.class);
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+ this.createHeadCell(subExcel, row, column++);
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+ }
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+ }
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+ else
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+ {
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+ this.createHeadCell(excel, row, column++);
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+ }
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}
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if (Type.EXPORT.equals(type))
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{
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@@ -515,32 +595,71 @@ public class ExcelUtil<T>
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/**
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* 填充excel数据
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- *
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+ *
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* @param index 序号
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* @param row 单元格行
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*/
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+ @SuppressWarnings("unchecked")
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public void fillExcelData(int index, Row row)
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{
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int startNo = index * sheetSize;
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int endNo = Math.min(startNo + sheetSize, list.size());
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+ int rowNo = (1 + rownum) - startNo;
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for (int i = startNo; i < endNo; i++)
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{
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- row = sheet.createRow(i + 1 + rownum - startNo);
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+ rowNo = i > 1 ? rowNo + 1 : rowNo + i;
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+ row = sheet.createRow(rowNo);
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// 得到导出对象.
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T vo = (T) list.get(i);
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+ Collection<?> subList = null;
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+ if (isSubListValue(vo))
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+ {
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+ subList = getListCellValue(vo);
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+ subMergedLastRowNum = subMergedLastRowNum + subList.size();
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+ }
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+
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int column = 0;
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for (Object[] os : fields)
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{
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Field field = (Field) os[0];
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Excel excel = (Excel) os[1];
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- this.addCell(excel, row, vo, field, column++);
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+ if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))
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+ {
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+ boolean subFirst = false;
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+ for (Object obj : subList)
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+ {
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+ if (subFirst)
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+ {
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+ rowNo++;
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+ row = sheet.createRow(rowNo);
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+ }
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+ List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);
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+ int subIndex = 0;
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+ for (Field subField : subFields)
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+ {
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+ if (subField.isAnnotationPresent(Excel.class))
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+ {
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+ subField.setAccessible(true);
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+ Excel attr = subField.getAnnotation(Excel.class);
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+ this.addCell(attr, row, (T) obj, subField, column + subIndex);
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+ }
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+ subIndex++;
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+ }
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+ subFirst = true;
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+ }
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+ this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
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+ }
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+ else
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+ {
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+ this.addCell(excel, row, vo, field, column++);
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+ }
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}
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}
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}
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/**
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* 创建表格样式
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- *
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+ *
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* @param wb 工作薄对象
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* @return 样式列表
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*/
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@@ -575,20 +694,6 @@ public class ExcelUtil<T>
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style.setFont(dataFont);
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styles.put("data", style);
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- style = wb.createCellStyle();
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- style.cloneStyleFrom(styles.get("data"));
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- style.setAlignment(HorizontalAlignment.CENTER);
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- style.setVerticalAlignment(VerticalAlignment.CENTER);
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- style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
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- style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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- Font headerFont = wb.createFont();
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- headerFont.setFontName("Arial");
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- headerFont.setFontHeightInPoints((short) 10);
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- headerFont.setBold(true);
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- headerFont.setColor(IndexedColors.WHITE.getIndex());
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- style.setFont(headerFont);
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- styles.put("header", style);
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-
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style = wb.createCellStyle();
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style.setAlignment(HorizontalAlignment.CENTER);
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style.setVerticalAlignment(VerticalAlignment.CENTER);
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@@ -598,24 +703,60 @@ public class ExcelUtil<T>
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style.setFont(totalFont);
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styles.put("total", style);
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- styles.putAll(annotationStyles(wb));
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+ styles.putAll(annotationHeaderStyles(wb, styles));
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+
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+ styles.putAll(annotationDataStyles(wb));
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return styles;
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}
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/**
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- * 根据Excel注解创建表格样式
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+ * 根据Excel注解创建表格头样式
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*
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* @param wb 工作薄对象
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* @return 自定义样式列表
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*/
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- private Map<String, CellStyle> annotationStyles(Workbook wb)
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+ private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
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+ {
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+ Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
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+ for (Object[] os : fields)
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+ {
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+ Excel excel = (Excel) os[1];
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+ String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
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+ if (!headerStyles.containsKey(key))
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+ {
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+ CellStyle style = wb.createCellStyle();
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+ style = wb.createCellStyle();
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+ style.cloneStyleFrom(styles.get("data"));
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+ style.setAlignment(HorizontalAlignment.CENTER);
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+ style.setVerticalAlignment(VerticalAlignment.CENTER);
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+ style.setFillForegroundColor(excel.headerBackgroundColor().index);
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+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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+ Font headerFont = wb.createFont();
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+ headerFont.setFontName("Arial");
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+ headerFont.setFontHeightInPoints((short) 10);
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+ headerFont.setBold(true);
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+ headerFont.setColor(excel.headerColor().index);
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+ style.setFont(headerFont);
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+ headerStyles.put(key, style);
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+ }
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+ }
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+ return headerStyles;
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+ }
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+
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+ /**
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+ * 根据Excel注解创建表格列样式
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+ *
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+ * @param wb 工作薄对象
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+ * @return 自定义样式列表
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+ */
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+ private Map<String, CellStyle> annotationDataStyles(Workbook wb)
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{
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Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
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for (Object[] os : fields)
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{
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Excel excel = (Excel) os[1];
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- String key = "data_" + excel.align() + "_" + excel.color();
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+ String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
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if (!styles.containsKey(key))
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{
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CellStyle style = wb.createCellStyle();
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@@ -630,6 +771,8 @@ public class ExcelUtil<T>
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style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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style.setBorderBottom(BorderStyle.THIN);
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style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
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+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
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+ style.setFillForegroundColor(excel.backgroundColor().getIndex());
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Font dataFont = wb.createFont();
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dataFont.setFontName("Arial");
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dataFont.setFontHeightInPoints((short) 10);
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@@ -644,20 +787,29 @@ public class ExcelUtil<T>
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/**
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* 创建单元格
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*/
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- public Cell createCell(Excel attr, Row row, int column)
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+ public Cell createHeadCell(Excel attr, Row row, int column)
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{
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// 创建列
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Cell cell = row.createCell(column);
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// 写入列信息
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cell.setCellValue(attr.name());
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setDataValidation(attr, row, column);
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- cell.setCellStyle(styles.get("header"));
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+ cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
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+ if (isSubList())
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+ {
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+ // 填充默认样式,防止合并单元格样式失效
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+ sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
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+ if (attr.needMerge())
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+ {
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+ sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
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+ }
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+ }
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return cell;
|
|
|
}
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|
|
|
|
|
/**
|
|
|
* 设置单元格信息
|
|
|
- *
|
|
|
+ *
|
|
|
* @param value 单元格值
|
|
|
* @param attr 注解相关
|
|
|
* @param cell 单元格信息
|
|
@@ -759,7 +911,12 @@ public class ExcelUtil<T>
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|
{
|
|
|
// 创建cell
|
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|
cell = row.createCell(column);
|
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|
- cell.setCellStyle(styles.get("data_" + attr.align() + "_" + attr.color()));
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|
|
+ if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())
|
|
|
+ {
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|
+ CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
|
|
|
+ sheet.addMergedRegion(cellAddress);
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|
|
+ }
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|
+ cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
|
|
|
|
|
|
// 用于读取对象中的属性
|
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|
Object value = getTargetValue(vo, field, attr);
|
|
@@ -778,7 +935,7 @@ public class ExcelUtil<T>
|
|
|
}
|
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|
else if (value instanceof BigDecimal && -1 != attr.scale())
|
|
|
{
|
|
|
- cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
|
|
|
+ cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
|
|
|
}
|
|
|
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
|
|
|
{
|
|
@@ -855,7 +1012,7 @@ public class ExcelUtil<T>
|
|
|
for (String item : convertSource)
|
|
|
{
|
|
|
String[] itemArray = item.split("=");
|
|
|
- if (StringUtils.containsAny(separator, propertyValue))
|
|
|
+ if (StringUtils.containsAny(propertyValue, separator))
|
|
|
{
|
|
|
for (String value : propertyValue.split(separator))
|
|
|
{
|
|
@@ -879,7 +1036,7 @@ public class ExcelUtil<T>
|
|
|
|
|
|
/**
|
|
|
* 反向解析值 男=0,女=1,未知=2
|
|
|
- *
|
|
|
+ *
|
|
|
* @param propertyValue 参数值
|
|
|
* @param converterExp 翻译注解
|
|
|
* @param separator 分隔符
|
|
@@ -892,7 +1049,7 @@ public class ExcelUtil<T>
|
|
|
for (String item : convertSource)
|
|
|
{
|
|
|
String[] itemArray = item.split("=");
|
|
|
- if (StringUtils.containsAny(separator, propertyValue))
|
|
|
+ if (StringUtils.containsAny(propertyValue, separator))
|
|
|
{
|
|
|
for (String value : propertyValue.split(separator))
|
|
|
{
|
|
@@ -1054,29 +1211,39 @@ public class ExcelUtil<T>
|
|
|
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
|
|
|
for (Field field : tempFields)
|
|
|
{
|
|
|
- // 单注解
|
|
|
- if (field.isAnnotationPresent(Excel.class))
|
|
|
- {
|
|
|
- Excel attr = field.getAnnotation(Excel.class);
|
|
|
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
|
|
|
- {
|
|
|
- field.setAccessible(true);
|
|
|
- fields.add(new Object[] { field, attr });
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // 多注解
|
|
|
- if (field.isAnnotationPresent(Excels.class))
|
|
|
+ if (!ArrayUtils.contains(this.excludeFields, field.getName()))
|
|
|
{
|
|
|
- Excels attrs = field.getAnnotation(Excels.class);
|
|
|
- Excel[] excels = attrs.value();
|
|
|
- for (Excel attr : excels)
|
|
|
+ // 单注解
|
|
|
+ if (field.isAnnotationPresent(Excel.class))
|
|
|
{
|
|
|
+ Excel attr = field.getAnnotation(Excel.class);
|
|
|
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
|
|
|
{
|
|
|
field.setAccessible(true);
|
|
|
fields.add(new Object[] { field, attr });
|
|
|
}
|
|
|
+ if (Collection.class.isAssignableFrom(field.getType()))
|
|
|
+ {
|
|
|
+ subMethod = getSubMethod(field.getName(), clazz);
|
|
|
+ ParameterizedType pt = (ParameterizedType) field.getGenericType();
|
|
|
+ Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
|
|
|
+ this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // 多注解
|
|
|
+ if (field.isAnnotationPresent(Excels.class))
|
|
|
+ {
|
|
|
+ Excels attrs = field.getAnnotation(Excels.class);
|
|
|
+ Excel[] excels = attrs.value();
|
|
|
+ for (Excel attr : excels)
|
|
|
+ {
|
|
|
+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
|
|
|
+ {
|
|
|
+ field.setAccessible(true);
|
|
|
+ fields.add(new Object[] { field, attr });
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
}
|
|
|
}
|
|
@@ -1110,7 +1277,7 @@ public class ExcelUtil<T>
|
|
|
|
|
|
/**
|
|
|
* 创建工作表
|
|
|
- *
|
|
|
+ *
|
|
|
* @param sheetNo sheet数量
|
|
|
* @param index 序号
|
|
|
*/
|
|
@@ -1127,7 +1294,7 @@ public class ExcelUtil<T>
|
|
|
|
|
|
/**
|
|
|
* 获取单元格值
|
|
|
- *
|
|
|
+ *
|
|
|
* @param row 获取的行
|
|
|
* @param column 获取单元格列号
|
|
|
* @return 单元格值
|
|
@@ -1187,7 +1354,7 @@ public class ExcelUtil<T>
|
|
|
|
|
|
/**
|
|
|
* 判断是否是空行
|
|
|
- *
|
|
|
+ *
|
|
|
* @param row 判断的行
|
|
|
* @return
|
|
|
*/
|
|
@@ -1240,4 +1407,61 @@ public class ExcelUtil<T>
|
|
|
}
|
|
|
return str;
|
|
|
}
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 是否有对象的子列表
|
|
|
+ */
|
|
|
+ public boolean isSubList()
|
|
|
+ {
|
|
|
+ return StringUtils.isNotNull(subFields) && subFields.size() > 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 是否有对象的子列表,集合不为空
|
|
|
+ */
|
|
|
+ public boolean isSubListValue(T vo)
|
|
|
+ {
|
|
|
+ return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取集合的值
|
|
|
+ */
|
|
|
+ public Collection<?> getListCellValue(Object obj)
|
|
|
+ {
|
|
|
+ Object value;
|
|
|
+ try
|
|
|
+ {
|
|
|
+ value = subMethod.invoke(obj, new Object[] {});
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ return new ArrayList<Object>();
|
|
|
+ }
|
|
|
+ return (Collection<?>) value;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 获取对象的子列表方法
|
|
|
+ *
|
|
|
+ * @param name 名称
|
|
|
+ * @param pojoClass 类对象
|
|
|
+ * @return 子列表方法
|
|
|
+ */
|
|
|
+ public Method getSubMethod(String name, Class<?> pojoClass)
|
|
|
+ {
|
|
|
+ StringBuffer getMethodName = new StringBuffer("get");
|
|
|
+ getMethodName.append(name.substring(0, 1).toUpperCase());
|
|
|
+ getMethodName.append(name.substring(1));
|
|
|
+ Method method = null;
|
|
|
+ try
|
|
|
+ {
|
|
|
+ method = pojoClass.getMethod(getMethodName.toString(), new Class[] {});
|
|
|
+ }
|
|
|
+ catch (Exception e)
|
|
|
+ {
|
|
|
+ log.error("获取对象异常{}", e.getMessage());
|
|
|
+ }
|
|
|
+ return method;
|
|
|
+ }
|
|
|
}
|