fix(calculate): 관리자 정산 엑셀 다운로드를 스트리밍 방식으로 전환한다

2026-03-05 12:21:57 +09:00
parent 07f8d22024
commit 6ac94174c8
8 changed files with 619 additions and 36 deletions
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/AdminCalculateController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/AdminCalculateController.kt
@@ -2,11 +2,17 @@ package kr.co.vividnext.sodalive.admin.calculate

 import kr.co.vividnext.sodalive.common.ApiResponse
 import org.springframework.data.domain.Pageable
+import org.springframework.http.HttpHeaders
+import org.springframework.http.MediaType
+import org.springframework.http.ResponseEntity
 import org.springframework.security.access.prepost.PreAuthorize
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody
+import java.net.URLEncoder
+import java.nio.charset.StandardCharsets

@RestController
@PreAuthorize("hasRole('ADMIN')")
@@ -18,12 +24,30 @@ class AdminCalculateController(private val service: AdminCalculateService) {
        @RequestParam endDateStr: String
    ) = ApiResponse.ok(service.getCalculateLive(startDateStr, endDateStr))

+    @GetMapping("/live/excel")
+    fun downloadCalculateLiveExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "live.xlsx",
+        response = service.downloadCalculateLiveExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/content-list")
    fun getCalculateContentList(
        @RequestParam startDateStr: String,
        @RequestParam endDateStr: String
    ) = ApiResponse.ok(service.getCalculateContentList(startDateStr, endDateStr))

+    @GetMapping("/content-list/excel")
+    fun downloadCalculateContentListExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "content-list.xlsx",
+        response = service.downloadCalculateContentListExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/cumulative-sales-by-content")
    fun getCumulativeSalesByContent(pageable: Pageable) = ApiResponse.ok(
        service.getCumulativeSalesByContent(pageable.offset, pageable.pageSize.toLong())
@@ -35,6 +59,15 @@ class AdminCalculateController(private val service: AdminCalculateService) {
        @RequestParam endDateStr: String
    ) = ApiResponse.ok(service.getCalculateContentDonationList(startDateStr, endDateStr))

+    @GetMapping("/content-donation-list/excel")
+    fun downloadCalculateContentDonationListExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "content-donation-list.xlsx",
+        response = service.downloadCalculateContentDonationListExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/community-post")
    fun getCalculateCommunityPost(
        @RequestParam startDateStr: String,
@@ -49,6 +82,15 @@ class AdminCalculateController(private val service: AdminCalculateService) {
        )
    )

+    @GetMapping("/community-post/excel")
+    fun downloadCalculateCommunityPostExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "community-post.xlsx",
+        response = service.downloadCalculateCommunityPostExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/live-by-creator")
    fun getCalculateLiveByCreator(
        @RequestParam startDateStr: String,
@@ -63,6 +105,15 @@ class AdminCalculateController(private val service: AdminCalculateService) {
        )
    )

+    @GetMapping("/live-by-creator/excel")
+    fun downloadCalculateLiveByCreatorExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "live-by-creator.xlsx",
+        response = service.downloadCalculateLiveByCreatorExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/content-by-creator")
    fun getCalculateContentByCreator(
        @RequestParam startDateStr: String,
@@ -77,6 +128,15 @@ class AdminCalculateController(private val service: AdminCalculateService) {
        )
    )

+    @GetMapping("/content-by-creator/excel")
+    fun downloadCalculateContentByCreatorExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "content-by-creator.xlsx",
+        response = service.downloadCalculateContentByCreatorExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/community-by-creator")
    fun getCalculateCommunityByCreator(
        @RequestParam startDateStr: String,
@@ -90,4 +150,28 @@ class AdminCalculateController(private val service: AdminCalculateService) {
            pageable.pageSize.toLong()
        )
    )
+
+    @GetMapping("/community-by-creator/excel")
+    fun downloadCalculateCommunityByCreatorExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "community-by-creator.xlsx",
+        response = service.downloadCalculateCommunityByCreatorExcel(startDateStr, endDateStr)
+    )
+
+    private fun createExcelResponse(
+        fileName: String,
+        response: StreamingResponseBody
+    ): ResponseEntity<StreamingResponseBody> {
+        val encodedFileName = URLEncoder.encode(fileName, StandardCharsets.UTF_8.toString()).replace("+", "%20")
+        val headers = HttpHeaders().apply {
+            add(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''$encodedFileName")
+        }
+
+        return ResponseEntity.ok()
+            .headers(headers)
+            .contentType(MediaType.parseMediaType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"))
+            .body(response)
+    }
 }
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/AdminCalculateService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/AdminCalculateService.kt
@@ -2,9 +2,13 @@ package kr.co.vividnext.sodalive.admin.calculate

 import kr.co.vividnext.sodalive.creator.admin.calculate.GetCreatorCalculateCommunityPostResponse
 import kr.co.vividnext.sodalive.extensions.convertLocalDateTime
+import org.apache.poi.ss.usermodel.Sheet
+import org.apache.poi.xssf.streaming.SXSSFWorkbook
 import org.springframework.cache.annotation.Cacheable
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody
+import java.time.LocalDateTime

@Service
 class AdminCalculateService(private val repository: AdminCalculateQueryRepository) {
@@ -139,4 +143,286 @@ class AdminCalculateService(private val repository: AdminCalculateQueryRepositor

        GetCalculateByCreatorResponse(totalCount, items)
    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateLiveExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val items = repository
+            .getCalculateLive(startDate, endDate)
+            .map { it.toGetCalculateLiveResponse() }
+
+        return createExcelStream(
+            sheetName = "라이브 정산",
+            headers = listOf(
+                "이메일",
+                "닉네임",
+                "날짜",
+                "라이브 제목",
+                "입장료(캔)",
+                "사용구분",
+                "참여인원",
+                "총 캔",
+                "원화",
+                "결제수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.email)
+                row.createCell(1).setCellValue(item.nickname)
+                row.createCell(2).setCellValue(item.date)
+                row.createCell(3).setCellValue(item.title)
+                row.createCell(4).setCellValue(item.entranceFee.toDouble())
+                row.createCell(5).setCellValue(item.canUsageStr)
+                row.createCell(6).setCellValue(item.numberOfPeople.toDouble())
+                row.createCell(7).setCellValue(item.totalAmount.toDouble())
+                row.createCell(8).setCellValue(item.totalKrw.toDouble())
+                row.createCell(9).setCellValue(item.paymentFee.toDouble())
+                row.createCell(10).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(11).setCellValue(item.tax.toDouble())
+                row.createCell(12).setCellValue(item.depositAmount.toDouble())
+            }
+        }
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateContentListExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val items = repository
+            .getCalculateContentList(startDate, endDate)
+            .map { it.toGetCalculateContentResponse() }
+
+        return createExcelStream(
+            sheetName = "콘텐츠 정산",
+            headers = listOf(
+                "크리에이터",
+                "콘텐츠 제목",
+                "등록일",
+                "판매일",
+                "구분",
+                "가격(캔)",
+                "인원",
+                "총 캔",
+                "원화",
+                "결제수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.nickname)
+                row.createCell(1).setCellValue(item.title)
+                row.createCell(2).setCellValue(item.registrationDate)
+                row.createCell(3).setCellValue(item.saleDate)
+                row.createCell(4).setCellValue(item.orderType)
+                row.createCell(5).setCellValue(item.orderPrice.toDouble())
+                row.createCell(6).setCellValue(item.numberOfPeople.toDouble())
+                row.createCell(7).setCellValue(item.totalCan.toDouble())
+                row.createCell(8).setCellValue(item.totalKrw.toDouble())
+                row.createCell(9).setCellValue(item.paymentFee.toDouble())
+                row.createCell(10).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(11).setCellValue(item.tax.toDouble())
+                row.createCell(12).setCellValue(item.depositAmount.toDouble())
+            }
+        }
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateContentDonationListExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val items = repository
+            .getCalculateContentDonationList(startDate, endDate)
+            .map { it.toGetCalculateContentDonationResponse() }
+
+        return createExcelStream(
+            sheetName = "콘텐츠 후원 정산",
+            headers = listOf(
+                "크리에이터",
+                "콘텐츠 제목",
+                "유무료",
+                "등록일",
+                "후원일",
+                "후원건수",
+                "총 캔",
+                "원화",
+                "결제수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.nickname)
+                row.createCell(1).setCellValue(item.title)
+                row.createCell(2).setCellValue(item.paidOrFree)
+                row.createCell(3).setCellValue(item.registrationDate)
+                row.createCell(4).setCellValue(item.donationDate)
+                row.createCell(5).setCellValue(item.numberOfDonation.toDouble())
+                row.createCell(6).setCellValue(item.totalCan.toDouble())
+                row.createCell(7).setCellValue(item.totalKrw.toDouble())
+                row.createCell(8).setCellValue(item.paymentFee.toDouble())
+                row.createCell(9).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(10).setCellValue(item.tax.toDouble())
+                row.createCell(11).setCellValue(item.depositAmount.toDouble())
+            }
+        }
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateCommunityPostExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val totalCount = repository.getCalculateCommunityPostTotalCount(startDate, endDate)
+        val items = if (totalCount == 0) {
+            emptyList()
+        } else {
+            repository
+                .getCalculateCommunityPostList(startDate, endDate, 0L, totalCount.toLong())
+                .map { it.toGetCalculateCommunityPostResponse() }
+        }
+
+        return createExcelStream(
+            sheetName = "커뮤니티 정산",
+            headers = listOf(
+                "크리에이터",
+                "게시글",
+                "날짜",
+                "가격(캔)",
+                "구매건수",
+                "총 캔",
+                "원화",
+                "결제수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.nickname)
+                row.createCell(1).setCellValue(item.title)
+                row.createCell(2).setCellValue(item.date)
+                row.createCell(3).setCellValue(item.can.toDouble())
+                row.createCell(4).setCellValue(item.numberOfPurchase.toDouble())
+                row.createCell(5).setCellValue(item.totalCan.toDouble())
+                row.createCell(6).setCellValue(item.totalKrw.toDouble())
+                row.createCell(7).setCellValue(item.paymentFee.toDouble())
+                row.createCell(8).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(9).setCellValue(item.tax.toDouble())
+                row.createCell(10).setCellValue(item.depositAmount.toDouble())
+            }
+        }
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateLiveByCreatorExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val totalCount = repository.getCalculateLiveByCreatorTotalCount(startDate, endDate)
+        val items = if (totalCount == 0) {
+            emptyList()
+        } else {
+            repository
+                .getCalculateLiveByCreator(startDate, endDate, 0L, totalCount.toLong())
+                .map { it.toGetCalculateByCreator() }
+        }
+
+        return createCalculateByCreatorExcel("크리에이터별 라이브 정산", items)
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateContentByCreatorExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val totalCount = repository.getCalculateContentByCreatorTotalCount(startDate, endDate)
+        val items = if (totalCount == 0) {
+            emptyList()
+        } else {
+            repository
+                .getCalculateContentByCreator(startDate, endDate, 0L, totalCount.toLong())
+                .map { it.toGetCalculateByCreator() }
+        }
+
+        return createCalculateByCreatorExcel("크리에이터별 콘텐츠 정산", items)
+    }
+
+    @Transactional(readOnly = true)
+    fun downloadCalculateCommunityByCreatorExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val totalCount = repository.getCalculateCommunityByCreatorTotalCount(startDate, endDate)
+        val items = if (totalCount == 0) {
+            emptyList()
+        } else {
+            repository
+                .getCalculateCommunityByCreator(startDate, endDate, 0L, totalCount.toLong())
+                .map { it.toGetCalculateByCreator() }
+        }
+
+        return createCalculateByCreatorExcel("크리에이터별 커뮤니티 정산", items)
+    }
+
+    private fun createCalculateByCreatorExcel(
+        sheetName: String,
+        items: List<GetCalculateByCreatorItem>
+    ): StreamingResponseBody {
+        return createExcelStream(
+            sheetName = sheetName,
+            headers = listOf(
+                "이메일",
+                "닉네임",
+                "총 캔",
+                "원화",
+                "결제수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.email)
+                row.createCell(1).setCellValue(item.nickname)
+                row.createCell(2).setCellValue(item.totalCan.toDouble())
+                row.createCell(3).setCellValue(item.totalKrw.toDouble())
+                row.createCell(4).setCellValue(item.paymentFee.toDouble())
+                row.createCell(5).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(6).setCellValue(item.tax.toDouble())
+                row.createCell(7).setCellValue(item.depositAmount.toDouble())
+            }
+        }
+    }
+
+    private fun createExcelStream(
+        sheetName: String,
+        headers: List<String>,
+        writeRows: (Sheet) -> Unit
+    ): StreamingResponseBody {
+        return StreamingResponseBody { outputStream ->
+            val workbook = SXSSFWorkbook(100)
+            try {
+                val sheet = workbook.createSheet(sheetName)
+                val headerRow = sheet.createRow(0)
+                headers.forEachIndexed { index, value ->
+                    headerRow.createCell(index).setCellValue(value)
+                }
+
+                writeRows(sheet)
+                workbook.write(outputStream)
+                outputStream.flush()
+            } finally {
+                workbook.dispose()
+                workbook.close()
+            }
+        }
+    }
+
+    private fun toDateRange(startDateStr: String, endDateStr: String): Pair<LocalDateTime, LocalDateTime> {
+        val startDate = startDateStr.convertLocalDateTime()
+        val endDate = endDateStr.convertLocalDateTime(hour = 23, minute = 59, second = 59)
+
+        return startDate to endDate
+    }
 }
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/channelDonation/AdminChannelDonationCalculateController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/channelDonation/AdminChannelDonationCalculateController.kt
@@ -1,7 +1,6 @@
 package kr.co.vividnext.sodalive.admin.calculate.channelDonation

 import kr.co.vividnext.sodalive.common.ApiResponse
-import org.springframework.core.io.InputStreamResource
 import org.springframework.data.domain.Pageable
 import org.springframework.http.HttpHeaders
 import org.springframework.http.MediaType
@@ -11,6 +10,7 @@ import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody
 import java.net.URLEncoder
 import java.nio.charset.StandardCharsets

@@ -34,6 +34,15 @@ class AdminChannelDonationCalculateController(
        )
    )

+    @GetMapping("/channel-donation-by-date/excel")
+    fun downloadChannelDonationByDateExcel(
+        @RequestParam startDateStr: String,
+        @RequestParam endDateStr: String
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "channel-donation-by-date.xlsx",
+        response = service.downloadChannelDonationByDateExcel(startDateStr, endDateStr)
+    )
+
    @GetMapping("/channel-donation-by-creator")
    fun getChannelDonationByCreator(
        @RequestParam startDateStr: String,
@@ -52,23 +61,23 @@ class AdminChannelDonationCalculateController(
    fun downloadChannelDonationByCreatorExcel(
        @RequestParam startDateStr: String,
        @RequestParam endDateStr: String
-    ): ResponseEntity<InputStreamResource> {
-        val encodedFileName = URLEncoder.encode(
-            "channel-donation-by-creator.xlsx",
-            StandardCharsets.UTF_8.toString()
-        ).replace("+", "%20")
+    ): ResponseEntity<StreamingResponseBody> = createExcelResponse(
+        fileName = "channel-donation-by-creator.xlsx",
+        response = service.downloadChannelDonationByCreatorExcel(startDateStr, endDateStr)
+    )
+
+    private fun createExcelResponse(
+        fileName: String,
+        response: StreamingResponseBody
+    ): ResponseEntity<StreamingResponseBody> {
+        val encodedFileName = URLEncoder.encode(fileName, StandardCharsets.UTF_8.toString()).replace("+", "%20")
        val headers = HttpHeaders().apply {
            add(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename*=UTF-8''$encodedFileName")
        }

-        val response = service.downloadChannelDonationByCreatorExcel(
-            startDateStr = startDateStr,
-            endDateStr = endDateStr
-        )
-
        return ResponseEntity.ok()
            .headers(headers)
            .contentType(MediaType.parseMediaType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"))
-            .body(InputStreamResource(response))
+            .body(response)
    }
 }
--- a/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/channelDonation/AdminChannelDonationCalculateService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/admin/calculate/channelDonation/AdminChannelDonationCalculateService.kt
@@ -1,11 +1,12 @@
 package kr.co.vividnext.sodalive.admin.calculate.channelDonation

 import kr.co.vividnext.sodalive.extensions.convertLocalDateTime
-import org.apache.poi.xssf.usermodel.XSSFWorkbook
+import org.apache.poi.ss.usermodel.Sheet
+import org.apache.poi.xssf.streaming.SXSSFWorkbook
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
-import java.io.ByteArrayInputStream
-import java.io.ByteArrayOutputStream
+import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBody
+import java.time.LocalDateTime

@Service
 class AdminChannelDonationCalculateService(
@@ -50,17 +51,21 @@ class AdminChannelDonationCalculateService(
    }

    @Transactional(readOnly = true)
-    fun downloadChannelDonationByCreatorExcel(startDateStr: String, endDateStr: String): ByteArrayInputStream {
-        val startDate = startDateStr.convertLocalDateTime()
-        val endDate = endDateStr.convertLocalDateTime(hour = 23, minute = 59, second = 59)
-        val items = repository
-            .getChannelDonationByCreatorForExcel(startDate, endDate)
-            .map { it.toResponseItem() }
-        val byteArrayOutputStream = ByteArrayOutputStream()
+    fun downloadChannelDonationByDateExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val totalCount = repository.getChannelDonationByDateTotalCount(startDate, endDate)
+        val items = if (totalCount == 0) {
+            emptyList()
+        } else {
+            repository
+                .getChannelDonationByDate(startDate, endDate, 0L, totalCount.toLong())
+                .map { it.toResponseItem() }
+        }

-        XSSFWorkbook().use { workbook ->
-            val sheet = workbook.createSheet("크리에이터별 채널후원 정산")
-            val header = listOf(
+        return createExcelStream(
+            sheetName = "채널후원 정산",
+            headers = listOf(
+                "날짜",
                "크리에이터",
                "건수",
                "총 받은 캔 수",
@@ -70,11 +75,42 @@ class AdminChannelDonationCalculateService(
                "원천세",
                "입금액"
            )
-            val headerRow = sheet.createRow(0)
-            header.forEachIndexed { index, value ->
-                headerRow.createCell(index).setCellValue(value)
+        ) { sheet ->
+            items.forEachIndexed { index, item ->
+                val row = sheet.createRow(index + 1)
+                row.createCell(0).setCellValue(item.date)
+                row.createCell(1).setCellValue(item.creator)
+                row.createCell(2).setCellValue(item.count.toDouble())
+                row.createCell(3).setCellValue(item.totalCan.toDouble())
+                row.createCell(4).setCellValue(item.krw.toDouble())
+                row.createCell(5).setCellValue(item.fee.toDouble())
+                row.createCell(6).setCellValue(item.settlementAmount.toDouble())
+                row.createCell(7).setCellValue(item.withholdingTax.toDouble())
+                row.createCell(8).setCellValue(item.depositAmount.toDouble())
            }
+        }
+    }

+    @Transactional(readOnly = true)
+    fun downloadChannelDonationByCreatorExcel(startDateStr: String, endDateStr: String): StreamingResponseBody {
+        val (startDate, endDate) = toDateRange(startDateStr, endDateStr)
+        val items = repository
+            .getChannelDonationByCreatorForExcel(startDate, endDate)
+            .map { it.toResponseItem() }
+
+        return createExcelStream(
+            sheetName = "크리에이터별 채널후원 정산",
+            headers = listOf(
+                "크리에이터",
+                "건수",
+                "총 받은 캔 수",
+                "원화",
+                "수수료",
+                "정산금액",
+                "원천세",
+                "입금액"
+            )
+        ) { sheet ->
            items.forEachIndexed { index, item ->
                val row = sheet.createRow(index + 1)
                row.createCell(0).setCellValue(item.creator)
@@ -86,10 +122,37 @@ class AdminChannelDonationCalculateService(
                row.createCell(6).setCellValue(item.withholdingTax.toDouble())
                row.createCell(7).setCellValue(item.depositAmount.toDouble())
            }
-
-            workbook.write(byteArrayOutputStream)
        }
+    }

-        return ByteArrayInputStream(byteArrayOutputStream.toByteArray())
+    private fun createExcelStream(
+        sheetName: String,
+        headers: List<String>,
+        writeRows: (Sheet) -> Unit
+    ): StreamingResponseBody {
+        return StreamingResponseBody { outputStream ->
+            val workbook = SXSSFWorkbook(100)
+            try {
+                val sheet = workbook.createSheet(sheetName)
+                val headerRow = sheet.createRow(0)
+                headers.forEachIndexed { index, value ->
+                    headerRow.createCell(index).setCellValue(value)
+                }
+
+                writeRows(sheet)
+                workbook.write(outputStream)
+                outputStream.flush()
+            } finally {
+                workbook.dispose()
+                workbook.close()
+            }
+        }
+    }
+
+    private fun toDateRange(startDateStr: String, endDateStr: String): Pair<LocalDateTime, LocalDateTime> {
+        val startDate = startDateStr.convertLocalDateTime()
+        val endDate = endDateStr.convertLocalDateTime(hour = 23, minute = 59, second = 59)
+
+        return startDate to endDate
    }
 }