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@ -83,28 +83,13 @@ public class FillTest { |
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return data(); |
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return data(); |
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}); |
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}); |
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// 方案3.1 分多次 填充 会使用文件缓存（省内存） 使用 try-with-resources @since 3.1.0
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// 方案3 分多次 填充 会使用文件缓存（省内存）
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fileName = TestFileUtil.getPath() + "listFill" + System.currentTimeMillis() + ".xlsx"; |
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fileName = TestFileUtil.getPath() + "listFill" + System.currentTimeMillis() + ".xlsx"; |
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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excelWriter.fill(data(), writeSheet); |
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excelWriter.fill(data(), writeSheet); |
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excelWriter.fill(data(), writeSheet); |
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excelWriter.fill(data(), writeSheet); |
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} |
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} |
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// 方案3.2 分多次 填充 会使用文件缓存（省内存） 不使用 try-with-resources
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fileName = TestFileUtil.getPath() + "listFill" + System.currentTimeMillis() + ".xlsx"; |
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ExcelWriter excelWriter = null; |
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try { |
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excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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excelWriter.fill(data(), writeSheet); |
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excelWriter.fill(data(), writeSheet); |
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} finally { |
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// 千万别忘记close 会帮忙关闭流
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if (excelWriter != null) { |
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excelWriter.close(); |
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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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@ -120,7 +105,7 @@ public class FillTest { |
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TestFileUtil.getPath() + "demo" + File.separator + "fill" + File.separator + "complex.xlsx"; |
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TestFileUtil.getPath() + "demo" + File.separator + "fill" + File.separator + "complex.xlsx"; |
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String fileName = TestFileUtil.getPath() + "complexFill" + System.currentTimeMillis() + ".xlsx"; |
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String fileName = TestFileUtil.getPath() + "complexFill" + System.currentTimeMillis() + ".xlsx"; |
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// 方案1 : 使用 try-with-resources @since 3.1.0
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// 方案1
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).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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// 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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@ -135,29 +120,6 @@ public class FillTest { |
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map.put("total", 1000); |
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map.put("total", 1000); |
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excelWriter.fill(map, writeSheet); |
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excelWriter.fill(map, writeSheet); |
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} |
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} |
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// 方案2 : 不使用 try-with-resources
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ExcelWriter excelWriter = null; |
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try { |
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excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).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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excelWriter.fill(data(), fillConfig, writeSheet); |
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excelWriter.fill(data(), fillConfig, writeSheet); |
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Map<String, Object> map = MapUtils.newHashMap(); |
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map.put("date", "2019年10月9日13:28:28"); |
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map.put("total", 1000); |
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excelWriter.fill(map, writeSheet); |
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} finally { |
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// 千万别忘记close 会帮忙关闭流
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if (excelWriter != null) { |
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excelWriter.close(); |
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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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@ -177,7 +139,7 @@ public class FillTest { |
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String fileName = TestFileUtil.getPath() + "complexFillWithTable" + System.currentTimeMillis() + ".xlsx"; |
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String fileName = TestFileUtil.getPath() + "complexFillWithTable" + System.currentTimeMillis() + ".xlsx"; |
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// 方案1 : 使用 try-with-resources @since 3.1.0
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// 方案1
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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// 直接写入数据
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// 直接写入数据
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@ -204,42 +166,6 @@ public class FillTest { |
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// 总体上写法比较复杂 但是也没有想到好的版本 异步的去写入excel 不支持行的删除和移动，也不支持备注这种的写入，所以也排除了可以
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// 总体上写法比较复杂 但是也没有想到好的版本 异步的去写入excel 不支持行的删除和移动，也不支持备注这种的写入，所以也排除了可以
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// 新建一个 然后一点点复制过来的方案，最后导致list需要新增行的时候，后面的列的数据没法后移，后续会继续想想解决方案
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// 新建一个 然后一点点复制过来的方案，最后导致list需要新增行的时候，后面的列的数据没法后移，后续会继续想想解决方案
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} |
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} |
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// 方案2 : 不使用 try-with-resources
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ExcelWriter excelWriter = null; |
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try { |
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excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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// 直接写入数据
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excelWriter.fill(data(), writeSheet); |
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excelWriter.fill(data(), writeSheet); |
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// 写入list之前的数据
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Map<String, Object> map = new HashMap<String, Object>(); |
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map.put("date", "2019年10月9日13:28:28"); |
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excelWriter.fill(map, writeSheet); |
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// list 后面还有个统计 想办法手动写入
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// 这里偷懒直接用list 也可以用对象
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List<List<String>> totalListList = ListUtils.newArrayList(); |
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List<String> totalList = ListUtils.newArrayList(); |
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totalListList.add(totalList); |
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totalList.add(null); |
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totalList.add(null); |
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totalList.add(null); |
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// 第四列
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totalList.add("统计:1000"); |
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// 这里是write 别和fill 搞错了
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excelWriter.write(totalListList, writeSheet); |
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|
// 总体上写法比较复杂 但是也没有想到好的版本 异步的去写入excel 不支持行的删除和移动，也不支持备注这种的写入，所以也排除了可以
|
|
|
|
|
|
|
|
// 新建一个 然后一点点复制过来的方案，最后导致list需要新增行的时候，后面的列的数据没法后移，后续会继续想想解决方案
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|
} finally { |
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|
// 千万别忘记close 会帮忙关闭流
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|
if (excelWriter != null) { |
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excelWriter.close(); |
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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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@ -255,7 +181,7 @@ public class FillTest { |
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TestFileUtil.getPath() + "demo" + File.separator + "fill" + File.separator + "horizontal.xlsx"; |
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TestFileUtil.getPath() + "demo" + File.separator + "fill" + File.separator + "horizontal.xlsx"; |
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String fileName = TestFileUtil.getPath() + "horizontalFill" + System.currentTimeMillis() + ".xlsx"; |
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String fileName = TestFileUtil.getPath() + "horizontalFill" + System.currentTimeMillis() + ".xlsx"; |
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|
// 方案1 : 使用 try-with-resources @since 3.1.0
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|
|
// 方案1
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|
try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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|
try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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|
WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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@ -266,25 +192,6 @@ public class FillTest { |
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map.put("date", "2019年10月9日13:28:28"); |
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map.put("date", "2019年10月9日13:28:28"); |
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excelWriter.fill(map, writeSheet); |
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excelWriter.fill(map, writeSheet); |
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} |
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} |
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// 方案2 : 不使用 try-with-resources
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ExcelWriter excelWriter = null; |
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try { |
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excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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excelWriter.fill(data(), fillConfig, writeSheet); |
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excelWriter.fill(data(), fillConfig, writeSheet); |
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Map<String, Object> map = new HashMap<String, Object>(); |
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map.put("date", "2019年10月9日13:28:28"); |
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excelWriter.fill(map, writeSheet); |
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} finally { |
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// 千万别忘记close 会帮忙关闭流
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if (excelWriter != null) { |
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excelWriter.close(); |
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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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@ -301,7 +208,7 @@ public class FillTest { |
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String fileName = TestFileUtil.getPath() + "compositeFill" + System.currentTimeMillis() + ".xlsx"; |
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String fileName = TestFileUtil.getPath() + "compositeFill" + System.currentTimeMillis() + ".xlsx"; |
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|
// 方案1 : 使用 try-with-resources @since 3.1.0
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|
|
|
// 方案1
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|
|
try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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|
|
try (ExcelWriter excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build()) { |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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|
|
FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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|
|
FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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|
@ -319,32 +226,6 @@ public class FillTest { |
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excelWriter.fill(map, writeSheet); |
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excelWriter.fill(map, writeSheet); |
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} |
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} |
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|
// 方案2 : 不使用 try-with-resources
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|
|
ExcelWriter excelWriter = null; |
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try { |
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excelWriter = EasyExcel.write(fileName).withTemplate(templateFileName).build(); |
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WriteSheet writeSheet = EasyExcel.writerSheet().build(); |
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FillConfig fillConfig = FillConfig.builder().direction(WriteDirectionEnum.HORIZONTAL).build(); |
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// 如果有多个list 模板上必须有{前缀.} 这里的前缀就是 data1，然后多个list必须用 FillWrapper包裹
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excelWriter.fill(new FillWrapper("data1", data()), fillConfig, writeSheet); |
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excelWriter.fill(new FillWrapper("data1", data()), fillConfig, writeSheet); |
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excelWriter.fill(new FillWrapper("data2", data()), writeSheet); |
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excelWriter.fill(new FillWrapper("data2", data()), writeSheet); |
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excelWriter.fill(new FillWrapper("data3", data()), writeSheet); |
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excelWriter.fill(new FillWrapper("data3", data()), writeSheet); |
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|
Map<String, Object> map = new HashMap<String, Object>(); |
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|
//map.put("date", "2019年10月9日13:28:28");
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map.put("date", new Date()); |
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excelWriter.fill(map, writeSheet); |
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} finally { |
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|
|
// 千万别忘记close 会帮忙关闭流
|
|
|
|
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|
|
if (excelWriter != null) { |
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|
|
excelWriter.close(); |
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|
} |
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|
} |
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} |
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} |
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|
private List<FillData> data() { |
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|
private List<FillData> data() { |
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Jiaju Zhuang
2 years ago
committed by
GitHub