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@@ -5,10 +5,18 @@ import cn.hutool.core.io.FileUtil;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.core.util.ObjectUtil;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.ExcelWriter;
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import com.alibaba.excel.ExcelWriter;
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+import com.alibaba.excel.metadata.Head;
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+import com.alibaba.excel.write.handler.CellWriteHandler;
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import com.alibaba.excel.write.metadata.WriteSheet;
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import com.alibaba.excel.write.metadata.WriteSheet;
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import com.alibaba.excel.write.metadata.fill.FillConfig;
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import com.alibaba.excel.write.metadata.fill.FillConfig;
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+import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
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+import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
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import com.fdkankan.fyun.face.FYunFileServiceInterface;
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import com.fdkankan.fyun.face.FYunFileServiceInterface;
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import com.fdkankan.ucenter.entity.Invoice;
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import com.fdkankan.ucenter.entity.Invoice;
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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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+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.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFDrawing;
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import org.apache.poi.xssf.usermodel.XSSFDrawing;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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@@ -30,9 +38,6 @@ public class MyExcelUtil {
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public static String excelTemplteToPdf(String localPath, String templateName, Object obj) {
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public static String excelTemplteToPdf(String localPath, String templateName, Object obj) {
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String fileName = templateName + UUID.randomUUID().toString().replace("-","") + ".xlsx";
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String fileName = templateName + UUID.randomUUID().toString().replace("-","") + ".xlsx";
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- // 模板注意 用{} 来表示你要用的变量 如果本来就有"{","}" 特殊字符 用"\{","\}"代替
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- // 填充list 的时候还要注意 模板中{.} 多了个点 表示list
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- //获取文件路径
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InputStream inputStream = MyExcelUtil.class.getClassLoader().getResourceAsStream("template/"+templateName+ ".xlsx");
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InputStream inputStream = MyExcelUtil.class.getClassLoader().getResourceAsStream("template/"+templateName+ ".xlsx");
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ExcelWriter excelWriter = null;
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ExcelWriter excelWriter = null;
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@@ -43,19 +48,31 @@ public class MyExcelUtil {
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}
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}
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excelWriter = EasyExcel.write(filePath)
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excelWriter = EasyExcel.write(filePath)
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.withTemplate(inputStream)
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.withTemplate(inputStream)
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- //调用合并策略
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.autoCloseStream(true)
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.autoCloseStream(true)
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+ // 注册自定义合并策略
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+ .registerWriteHandler(new CellWriteHandler() {
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+ @Override
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+ public void afterCellCreate(WriteSheetHolder writeSheetHolder,
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+ WriteTableHolder writeTableHolder,
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+ Cell cell,
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+ Head head,
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+ Integer relativeRowIndex,
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+ Boolean isHead) {
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+ // 左对齐设置
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+ CellStyle cellStyle = writeSheetHolder.getSheet().getWorkbook().createCellStyle();
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+ // 水平左对齐
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+ cellStyle.setAlignment(HorizontalAlignment.LEFT);
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+ // 垂直居中(可选)
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+ cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
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+ cell.setCellStyle(cellStyle);
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+ }
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+ })
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.build();
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.build();
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WriteSheet writeSheet = EasyExcel.writerSheet().build();
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WriteSheet writeSheet = EasyExcel.writerSheet().build();
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- // 这里注意 入参用了forceNewRow 代表在写入list的时候不管list下面有没有空行 都会创建一行,然后下面的数据往后移动。默认 是false,会直接使用下一行,如果没有则创建。
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- // forceNewRow 如果设置了true,有个缺点 就是他会把所有的数据都放到内存了,所以慎用
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- // 简单的说 如果你的模板有list,且list不是最后一行,下面还有数据需要填充 就必须设置 forceNewRow=true 但是这个就会把所有数据放到内存 会很耗内存
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- // 如果数据量大 list不是最后一行 参照下一个
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FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
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FillConfig fillConfig = FillConfig.builder().forceNewRow(Boolean.TRUE).build();
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if(excelWriter != null && obj != null){
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if(excelWriter != null && obj != null){
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excelWriter.fill(obj, fillConfig, writeSheet);
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excelWriter.fill(obj, fillConfig, writeSheet);
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}
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}
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-
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assert excelWriter != null;
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assert excelWriter != null;
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excelWriter.finish();
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excelWriter.finish();
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TestForExcel2PDF.excelToPdf(filePath,filePath.replace(".xlsx",".pdf"));
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TestForExcel2PDF.excelToPdf(filePath,filePath.replace(".xlsx",".pdf"));
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