修复执行sql代码bugp

functions/query.go

@@ -1,16 +0,0 @@
-package functions
-
-import (
-	"github.com/gin-gonic/gin"
-
-	"git.x2erp.com/qdy/go-base/types"
-	"git.x2erp.com/qdy/go-db/factory"
-)
-
-// 执行查询，返回JSON格式数据
-func QueryToJSON(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
-	return func(c *gin.Context, req types.QueryRequest) {
-		result := dbFactory.QueryToJSON(req.SQL)
-		c.JSON(200, result)
-	}
-}

functions/query_csv.go

@@ -8,23 +8,53 @@ import (
 	"git.x2erp.com/qdy/go-db/factory"
 )
 
-// 创建带 db 的 handler
+// 统一的错误响应处理
+func handleErrorResponseCSV(c *gin.Context, err error) {
+	errorCSV := mycsv.CreateStringToCSV(err.Error())
+	c.Header("Content-Type", "text/csv; charset=utf-8")
+	c.Header("X-Error", "true")
+	c.Data(400, "text/csv; charset=utf-8", errorCSV)
+}
+
+// 统一的成功响应处理
+func handleSuccessResponseCSV(c *gin.Context, csvData []byte) {
+	c.Header("Content-Type", "text/csv; charset=utf-8")
+	c.Data(200, "text/csv; charset=utf-8", csvData)
+}
+
+// 执行查询，返回CSV数据格式。无参数查询
 func QueryToCSV(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
 	return func(c *gin.Context, req types.QueryRequest) {
+		csvData, err := dbFactory.QueryToCSV(req.SQL, req.WriterHeader)
+		if err != nil {
+			handleErrorResponseCSV(c, err)
+			return
+		}
+		handleSuccessResponseCSV(c, csvData)
+	}
+}
 
-		csvData, err := dbFactory.QueryToCSV(req.SQL)
+// 执行查询，返回CSV数据格式。带参数名称进行查询
+func QueryParamNameToCSV(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
+	return func(c *gin.Context, req types.QueryRequest) {
 
+		csvData, err := dbFactory.QueryParamsNameToCSV(req.SQL, req.WriterHeader, req.Params)
 		if err != nil {
-			// 错误时也返回CSV格式，而不是JSON
-			errorCSV := mycsv.CreateStringToCSV(err.Error())
-			c.Header("Content-Type", "text/csv; charset=utf-8")
-			c.Header("X-Error", "true") // 可选：通过header标记这是错误响应
-			c.Data(400, "text/csv; charset=utf-8", errorCSV)
+			handleErrorResponseCSV(c, err)
 			return
 		}
+		handleSuccessResponseCSV(c, csvData)
+	}
+}
 
-		// 成功返回CSV数据
-		c.Header("Content-Type", "text/csv; charset=utf-8")
-		c.Data(200, "text/csv; charset=utf-8", csvData)
+// 执行查询，返回CSV数据格式。带占位参数进行查询
+func QueryPositionalToCSV(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
+	return func(c *gin.Context, req types.QueryRequest) {
+		csvData, err := dbFactory.QueryPositionalToCSV(req.SQL, req.WriterHeader, req.PositionalParams)
+		if err != nil {
+			handleErrorResponseCSV(c, err)
+			return
+		}
+		handleSuccessResponseCSV(c, csvData)
 	}
 }

functions/query_json.go

@@ -0,0 +1,33 @@
+package functions
+
+import (
+	"github.com/gin-gonic/gin"
+
+	"git.x2erp.com/qdy/go-base/types"
+	"git.x2erp.com/qdy/go-db/factory"
+)
+
+// 执行查询，返回CSV数据格式。无参数查询
+func QueryToJSON(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
+	return func(c *gin.Context, req types.QueryRequest) {
+		result := dbFactory.QueryToJSON(req.SQL)
+		c.JSON(200, result)
+	}
+}
+
+// 执行查询，返回CSV数据格式。带参数名称进行查询
+func QueryParamNameToJSON(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
+	return func(c *gin.Context, req types.QueryRequest) {
+		result := dbFactory.QueryParamsNameToJSON(req.SQL, req.Params)
+		c.JSON(200, result)
+	}
+}
+
+// 执行查询，返回JSON数据格式。带占位参数进行查询
+func QueryPositionalToJSON(dbFactory *factory.DBFactory) func(c *gin.Context, req types.QueryRequest) {
+	return func(c *gin.Context, req types.QueryRequest) {
+		result := dbFactory.QueryPositionalToJSON(req.SQL, req.PositionalParams)
+
+		c.JSON(200, result)
+	}
+}

go.mod

@@ -3,9 +3,10 @@ module git.x2erp.com/qdy/go-service-agent
 go 1.25.4
 
 require (
-	git.x2erp.com/qdy/go-base v0.1.11
-	git.x2erp.com/qdy/go-db v0.1.20
+	git.x2erp.com/qdy/go-base v0.1.44
+	git.x2erp.com/qdy/go-db v0.1.42
 	github.com/gin-gonic/gin v1.11.0
+	github.com/go-sql-driver/mysql v1.9.3
 )
 
 require (
@@ -22,7 +23,6 @@ require (
 	github.com/go-playground/validator/v10 v10.27.0 // indirect
 	github.com/go-redis/redis/v8 v8.11.5 // indirect
 	github.com/go-resty/resty/v2 v2.17.0 // indirect
-	github.com/go-sql-driver/mysql v1.9.3 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/goccy/go-yaml v1.18.0 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect

go.sum

@@ -1,13 +1,13 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-git.x2erp.com/qdy/go-base v0.1.11 h1:STHT6z+zaN8kMIiXfggUdPaP4vcz+kpXaxHkw5ziXzA=
-git.x2erp.com/qdy/go-base v0.1.11/go.mod h1:Q+YLwpCoU8CVSnzATLdz2LAzVMlz/CEGzo8DePf7cug=
-git.x2erp.com/qdy/go-db v0.1.18 h1:jCNRCZpFuW1eN769R91YW49B+24Xl9t4qzS3Wtt6V40=
-git.x2erp.com/qdy/go-db v0.1.18/go.mod h1:BpoceA0ROuIp6N2aOplVNWKrwntDQeWGF63diEd1hp4=
-git.x2erp.com/qdy/go-db v0.1.19 h1:ydKKsu9XoZBYkJo81bat1IQuKnZVc7xpD/qahI1BSRE=
-git.x2erp.com/qdy/go-db v0.1.19/go.mod h1:BpoceA0ROuIp6N2aOplVNWKrwntDQeWGF63diEd1hp4=
-git.x2erp.com/qdy/go-db v0.1.20 h1:6+esB8b/KzF6WAKRe6lWIwUZqX/tPbqgBYJhpYW3uhc=
-git.x2erp.com/qdy/go-db v0.1.20/go.mod h1:BpoceA0ROuIp6N2aOplVNWKrwntDQeWGF63diEd1hp4=
+git.x2erp.com/qdy/go-base v0.1.31 h1:5YolS0/zJ1Tv+EfisREDa6+LEPrsA7uSIhh4Q5CrW04=
+git.x2erp.com/qdy/go-base v0.1.31/go.mod h1:Q+YLwpCoU8CVSnzATLdz2LAzVMlz/CEGzo8DePf7cug=
+git.x2erp.com/qdy/go-base v0.1.43 h1:O8aSfY5QpmunQkEdEU8Jbd/2NEs513QgTK2GKQvO8jU=
+git.x2erp.com/qdy/go-base v0.1.43/go.mod h1:Q+YLwpCoU8CVSnzATLdz2LAzVMlz/CEGzo8DePf7cug=
+git.x2erp.com/qdy/go-base v0.1.44 h1:xHpMppSNj79lqdUc+lmgGXOgEvHyNotUayoe5/hHWr4=
+git.x2erp.com/qdy/go-base v0.1.44/go.mod h1:Q+YLwpCoU8CVSnzATLdz2LAzVMlz/CEGzo8DePf7cug=
+git.x2erp.com/qdy/go-db v0.1.42 h1:WOnu5dPkKAoZXITLPUxFZO8OQhs1gliNW29HSlBsSi4=
+git.x2erp.com/qdy/go-db v0.1.42/go.mod h1:qTzxo5oTWLhNcaPHRX/WRuX0ROTSQGIXQFMmJHI6VKM=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0 h1:Gt0j3wceWMwPmiazCa8MzMA0MfhmPIz0Qp0FJ6qcM0U=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.0/go.mod h1:Ot/6aikWnKWi4l9QB7qVSwa8iMphQNqkWALMoNT3rzM=
 github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1 h1:B+blDbyVIG3WaikNxPnhPiJ1MThR03b3vKGtER95TP4=

main.go

@@ -59,6 +59,7 @@ func startHTTPServer() {
 	router.GET("/api/health", functions.HealthHandler(dbFactory, cfg.GetDatabase().Type))
 	router.POST("/api/query", auth.AuthMiddleware(), withQueryRequest(functions.QueryToJSON(dbFactory)))
 	router.POST("/api/query/csv", auth.AuthMiddleware(), withQueryRequest(functions.QueryToCSV(dbFactory)))
+	router.POST("/api/query/csv/param", auth.AuthMiddleware(), withQueryRequest(functions.QueryPositionalToCSV(dbFactory)))
 	router.GET("/api/info", functions.InfoHandler(dbFactory))
 
 	// 日志输出配置信息

test/my0_test.go

@@ -0,0 +1,328 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+
+	"git.x2erp.com/qdy/go-base/config"
+	"git.x2erp.com/qdy/go-base/types"
+	"git.x2erp.com/qdy/go-db/factory"
+)
+
+// // QueryRequest 查询请求结构体
+// type QueryRequest struct {
+// 	SQL              string                 `json:"sql" binding:"required"`
+// 	Params           map[string]interface{} `json:"params,omitempty"`           // 名称参数
+// 	PositionalParams []interface{}          `json:"positionalParams,omitempty"` // 位置参数
+// }
+
+// 分页配置
+type PageConfig1 struct {
+	TotalRows  int // 总共需要查询多少行
+	PageSize   int // 每次返回多少行
+	MaxWorkers int // 几条线程同时工作
+	StartRow   int //从哪行开始查询
+}
+
+// 查询任务
+type QueryTask1 struct {
+	Page           int
+	StartRow       int
+	EndRow         int
+	QuerySQL       string
+	QueryParams    []interface{}
+	CSVData        string
+	Error          error
+	QueryTime      time.Duration
+	SaveTime       time.Duration
+	LastClothingID string // 上一页最后一条记录的CLOTHING_ID
+}
+
+func TestQueryAndInsertToDoris1(t *testing.T) {
+	// 记录总开始时间
+	totalStartTime := time.Now()
+
+	// 配置分页参数
+	pageConfig := PageConfig{
+		TotalRows:  100, // 总共需要查询多少行
+		PageSize:   50,  // 每次查询2000条
+		MaxWorkers: 2,   // 几条线程同时工作
+		StartRow:   0,   //从哪行开始查询
+	}
+
+	fmt.Printf("开始执行分页查询，总共%d行，每页%d条，%d线程工作\n", pageConfig.TotalRows, pageConfig.PageSize, pageConfig.MaxWorkers)
+
+	// 1. 获取HTTP工厂实例
+	httpFactory, err := factory.GetHTTPFactory()
+	if err != nil {
+		t.Fatalf("Failed to get HTTP factory: %v", err)
+	}
+	fmt.Println("HTTP factory created successfully")
+
+	// 7. 获取Doris工厂实例
+	dorisFactory, err := factory.GetDorisFactory(httpFactory)
+	if err != nil {
+		t.Fatalf("Failed to get Doris factory: %v", err)
+	}
+	fmt.Println("Doris factory created successfully")
+
+	// 检查Doris表结构
+	fmt.Println("Checking Doris table structure...")
+
+	// 获取Doris配置
+	cfg := config.GetConfig()
+	database := "X6_STOCK_DEV"
+	table := "A3_CLOTHING_LOG"
+	skipHeader := false // 改为true，跳过CSV头行
+	url := fmt.Sprintf("http://%s:%d/api/%s/%s/_stream_load", cfg.GetDoris().FEHost, cfg.GetDoris().FEPort, database, table)
+	fmt.Printf("Doris stream load URL: %s\n", url)
+
+	// 计算需要的页数
+	totalPages := (pageConfig.TotalRows + pageConfig.PageSize - 1) / pageConfig.PageSize
+	fmt.Printf("预计总共需要查询 %d 页\n", totalPages)
+
+	// 创建任务通道和结果通道
+	taskChan := make(chan QueryTask, totalPages)
+	resultChan := make(chan QueryTask, totalPages)
+	doneChan := make(chan bool)
+
+	var wg sync.WaitGroup
+	var mu sync.Mutex
+
+	// 执行统计变量
+	totalQueryTime := time.Duration(0)
+	totalSaveTime := time.Duration(0)
+	totalRowsInserted := 0
+	completedTasks := 0
+
+	// 启动工作线程
+	for i := 0; i < pageConfig.MaxWorkers; i++ {
+		wg.Add(1)
+		go func(workerID int) {
+			defer wg.Done()
+
+			// 每个worker创建自己的HTTP客户端
+			httpClient := httpFactory.CreateClient()
+
+			for task := range taskChan {
+				fmt.Printf("Worker %d 处理第 %d 页 (行 %d-%d, CLOTHING_ID > %s)...\n",
+					workerID, task.Page, task.StartRow, task.EndRow, task.LastClothingID)
+
+				// 记录查询开始时间
+				queryStartTime := time.Now()
+
+				// 准备查询请求
+				queryRequest := types.QueryRequest{
+					SQL:              task.QuerySQL,
+					PositionalParams: task.QueryParams,
+					WriterHeader:     false,
+				}
+
+				// 发送POST请求到 /api/query/csv 获取CSV格式数据
+				resp, err := httpClient.PostWithAuth(
+					"http://localhost:8080/api/query/csv/param",
+					queryRequest,
+					"123", // Bearer Token
+					nil,
+				)
+
+				if err != nil {
+					task.Error = fmt.Errorf("第%d页查询失败: %v", task.Page, err)
+					resultChan <- task
+					continue
+				}
+
+				if resp.StatusCode() != 200 {
+					task.Error = fmt.Errorf("第%d页查询请求失败, 状态码: %d", task.Page, resp.StatusCode())
+					resultChan <- task
+					continue
+				}
+
+				// 获取CSV数据
+				csvData := string(resp.Body())
+				if len(csvData) == 0 {
+					task.Error = fmt.Errorf("第%d页没有数据", task.Page)
+					resultChan <- task
+					continue
+				}
+				log.Printf("csvData:\n%s", csvData)
+				// 记录查询结束时间
+				queryEndTime := time.Now()
+				queryDuration := queryEndTime.Sub(queryStartTime)
+				task.QueryTime = queryDuration
+				task.CSVData = csvData
+
+				// 插入数据到Doris
+				saveStartTime := time.Now()
+				err = dorisFactory.InsertCSV(database, table, csvData, skipHeader)
+				if err != nil {
+					task.Error = fmt.Errorf("第%d页数据插入Doris失败: %v", task.Page, err)
+					resultChan <- task
+					continue
+				}
+
+				// 记录保存结束时间
+				saveEndTime := time.Now()
+				saveDuration := saveEndTime.Sub(saveStartTime)
+				task.SaveTime = saveDuration
+
+				resultChan <- task
+			}
+		}(i + 1)
+	}
+
+	// 启动结果处理协程
+	go func() {
+		for task := range resultChan {
+			mu.Lock()
+
+			if task.Error != nil {
+				fmt.Printf("❌ 第 %d 页处理失败: %v\n", task.Page, task.Error)
+			} else {
+				// 计算本页数据行数
+				estimatedRows := task.EndRow - task.StartRow + 1
+				// 如果数据不足，按实际估算
+				if len(task.CSVData) < estimatedRows*50 { // 保守估计每行至少50字符
+					estimatedRows = len(task.CSVData) / 50
+				}
+
+				totalQueryTime += task.QueryTime
+				totalSaveTime += task.SaveTime
+				totalRowsInserted += estimatedRows
+				completedTasks++
+
+				fmt.Printf("✅ Worker 完成第 %d 页 (行 %d-%d, CLOTHING_ID > %s)\n",
+					task.Page, task.StartRow, task.EndRow, task.LastClothingID)
+				fmt.Printf("   查询耗时: %v, 保存耗时: %v\n", task.QueryTime, task.SaveTime)
+				fmt.Printf("   估算数据行数: %d\n", estimatedRows)
+
+				// 从CSV数据中提取最后一行的CLOTHING_ID
+				if task.CSVData != "" {
+					// 简单实现：取最后一行第一列的第一个记录
+					// 这里假设CSV格式是逗号分隔，没有标题行
+					lines := strings.Split(strings.TrimSpace(task.CSVData), "\n")
+					if len(lines) > 0 {
+						// 取最后一行（如果有多行数据）
+						lastLine := lines[len(lines)-1]
+						fields := strings.Split(lastLine, ",")
+						if len(fields) > 0 {
+							// 更新任务的LastClothingID
+							task.LastClothingID = strings.TrimSpace(fields[0]) // CLOTHING_ID是第一列
+							fmt.Printf("   提取到最后一个CLOTHING_ID: %s\n", task.LastClothingID)
+						}
+					}
+				}
+			}
+
+			mu.Unlock()
+
+			// 如果所有任务都完成了，发送完成信号
+			if completedTasks >= totalPages {
+				doneChan <- true
+				break
+			}
+		}
+	}()
+
+	// 生成任务并发送到任务通道
+	fmt.Println("\n📋 开始生成查询任务...")
+
+	// 初始CLOTHING_ID为"0"
+	lastClothingID := "A"
+
+	for page := 1; page <= totalPages; page++ {
+		startRow := pageConfig.StartRow + (page-1)*pageConfig.PageSize + 1
+		endRow := pageConfig.StartRow + page*pageConfig.PageSize
+
+		// 检查不超过要查询的总行数
+		maxEndRow := pageConfig.StartRow + pageConfig.TotalRows
+		if endRow > maxEndRow {
+			endRow = maxEndRow
+		}
+
+		// 生成查询SQL（使用参数模式）
+		querySQL, queryParams := getSQLWithPagination(startRow, endRow, lastClothingID)
+
+		task := QueryTask{
+			Page:           page,
+			StartRow:       startRow,
+			EndRow:         endRow,
+			QuerySQL:       querySQL,
+			QueryParams:    queryParams,
+			LastClothingID: lastClothingID,
+		}
+
+		fmt.Printf("生成第 %d 页任务 (行 %d-%d), 使用CLOTHING_ID > '%s'\n",
+			page, startRow, endRow, lastClothingID)
+		taskChan <- task
+
+		// 注意：在实际场景中，lastClothingID需要在任务完成后更新
+		// 这里简化处理，每个任务使用相同的lastClothingID
+		// 更好的做法是使用任务队列和结果回调来更新lastClothingID
+	}
+
+	// 关闭任务通道，通知worker没有更多任务
+	close(taskChan)
+
+	// 等待所有worker完成
+	wg.Wait()
+
+	// 关闭结果通道
+	close(resultChan)
+
+	// 等待结果处理完成
+	<-doneChan
+
+	// 记录总结束时间
+	totalEndTime := time.Now()
+	totalDuration := totalEndTime.Sub(totalStartTime)
+
+	// 打印性能统计
+	fmt.Println("\n📊 性能统计:")
+	fmt.Printf("   完成页数: %d/%d\n", completedTasks, totalPages)
+	fmt.Printf("   总查询耗时: %v\n", totalQueryTime)
+	fmt.Printf("   总保存耗时: %v\n", totalSaveTime)
+	fmt.Printf("   总耗时: %v\n", totalDuration)
+	fmt.Printf("   估算插入总行数: %d\n", totalRowsInserted)
+	if completedTasks > 0 {
+		fmt.Printf("   平均每页查询耗时: %v\n", totalQueryTime/time.Duration(completedTasks))
+		fmt.Printf("   平均每页保存耗时: %v\n", totalSaveTime/time.Duration(completedTasks))
+		fmt.Printf("   平均每秒处理行数: %.2f\n", float64(totalRowsInserted)/totalDuration.Seconds())
+	}
+
+	fmt.Println("✅ 所有数据成功插入到 Doris!")
+}
+
+// getSQLWithPagination 生成带分页的SQL语句（参数模式）
+// 返回SQL语句和参数映射
+func getSQLWithPagination1(startRow, endRow int, lastClothingID string) (string, []interface{}) {
+	sql := `SELECT
+    CLOTHING_ID,
+    CLOTHING_YEAR,
+    CLOTHING_NAME
+
+   FROM (
+    SELECT a.*, ROWNUM as rn
+    FROM (
+        SELECT *
+        FROM X6_STOCK_DEV.A3_CLOTHING 
+        WHERE CLOTHING_ID > :1
+        ORDER BY CLOTHING_ID
+    ) a
+    WHERE ROWNUM <= :2
+)
+WHERE rn > :3`
+
+	// 创建参数映射
+	params := []interface{}{
+		lastClothingID,
+		endRow,
+		startRow - 1, // WHERE rn > :start_row 所以是startRow-1
+	}
+
+	return sql, params
+}

test/my_ora_clothingToDoris_test.go

@@ -0,0 +1,418 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"strings"
+	"sync"
+	"testing"
+	"time"
+
+	"git.x2erp.com/qdy/go-base/config"
+	"git.x2erp.com/qdy/go-base/types"
+	"git.x2erp.com/qdy/go-db/factory"
+)
+
+// 一定要执行环境变量
+// export DB_CONFIG_PATH=/Users/kenqdy/Documents/v-bdx-workspace/db_doris.yaml
+
+// // QueryRequest 查询请求结构体
+// type QueryRequest struct {
+// 	SQL              string                 `json:"sql" binding:"required"`
+// 	Params           map[string]interface{} `json:"params,omitempty"`           // 名称参数
+// 	PositionalParams []interface{}          `json:"positionalParams,omitempty"` // 位置参数
+// }
+
+// 分页配置
+type PageConfig struct {
+	TotalRows  int // 总共需要查询多少行
+	PageSize   int // 每次返回多少行
+	MaxWorkers int // 几条线程同时工作
+	StartRow   int //从哪行开始查询
+}
+
+// 查询任务
+type QueryTask struct {
+	Page           int
+	StartRow       int
+	EndRow         int
+	QuerySQL       string
+	QueryParams    []interface{}
+	CSVData        string
+	Error          error
+	QueryTime      time.Duration
+	SaveTime       time.Duration
+	LastClothingID string // 上一页最后一条记录的CLOTHING_ID
+}
+
+func TestQueryAndInsertToDoris(t *testing.T) {
+	// 记录总开始时间
+	totalStartTime := time.Now()
+
+	// 配置分页参数
+	pageConfig := PageConfig{
+		TotalRows:  400000, // 总共需要查询多少行
+		PageSize:   3000,   // 每次查询2000条
+		MaxWorkers: 10,     // 几条线程同时工作
+		StartRow:   0,      //从哪行开始查询
+	}
+
+	fmt.Printf("开始执行分页查询，总共%d行，每页%d条，%d线程工作\n", pageConfig.TotalRows, pageConfig.PageSize, pageConfig.MaxWorkers)
+
+	// 1. 获取HTTP工厂实例
+	httpFactory, err := factory.GetHTTPFactory()
+	if err != nil {
+		t.Fatalf("Failed to get HTTP factory: %v", err)
+	}
+	fmt.Println("HTTP factory created successfully")
+
+	// 7. 获取Doris工厂实例
+	dorisFactory, err := factory.GetDorisFactory(httpFactory)
+	if err != nil {
+		t.Fatalf("Failed to get Doris factory: %v", err)
+	}
+	fmt.Println("Doris factory created successfully")
+
+	// 检查Doris表结构
+	fmt.Println("Checking Doris table structure...")
+
+	// 获取Doris配置
+	cfg := config.GetConfig()
+	database := "X6_STOCK_DEV"
+	table := "A3_CLOTHING"
+	skipHeader := false // 改为true，跳过CSV头行
+	url := fmt.Sprintf("http://%s:%d/api/%s/%s/_stream_load", cfg.GetDoris().FEHost, cfg.GetDoris().FEPort, database, table)
+	fmt.Printf("Doris stream load URL: %s\n", url)
+
+	// 计算需要的页数
+	totalPages := (pageConfig.TotalRows + pageConfig.PageSize - 1) / pageConfig.PageSize
+	fmt.Printf("预计总共需要查询 %d 页\n", totalPages)
+
+	// 创建任务通道和结果通道
+	taskChan := make(chan QueryTask, totalPages)
+	resultChan := make(chan QueryTask, totalPages)
+	doneChan := make(chan bool)
+
+	var wg sync.WaitGroup
+	var mu sync.Mutex
+
+	// 执行统计变量
+	totalQueryTime := time.Duration(0)
+	totalSaveTime := time.Duration(0)
+	totalRowsInserted := 0
+	completedTasks := 0
+
+	// 启动工作线程
+	for i := 0; i < pageConfig.MaxWorkers; i++ {
+		wg.Add(1)
+		go func(workerID int) {
+			defer wg.Done()
+
+			// 每个worker创建自己的HTTP客户端
+			httpClient := httpFactory.CreateClient()
+
+			for task := range taskChan {
+				fmt.Printf("Worker %d 处理第 %d 页 (行 %d-%d, CLOTHING_ID > %s)...\n",
+					workerID, task.Page, task.StartRow, task.EndRow, task.LastClothingID)
+
+				// 记录查询开始时间
+				queryStartTime := time.Now()
+
+				// 准备查询请求
+				queryRequest := types.QueryRequest{
+					SQL:              task.QuerySQL,
+					PositionalParams: task.QueryParams,
+					WriterHeader:     false,
+				}
+
+				// 发送POST请求到 /api/query/csv 获取CSV格式数据
+				resp, err := httpClient.PostWithAuth(
+					"http://localhost:8080/api/query/csv/param",
+					queryRequest,
+					"123", // Bearer Token
+					nil,
+				)
+
+				if err != nil {
+					task.Error = fmt.Errorf("第%d页查询失败: %v", task.Page, err)
+					resultChan <- task
+					continue
+				}
+
+				if resp.StatusCode() != 200 {
+					task.Error = fmt.Errorf("第%d页查询请求失败, 状态码: %d", task.Page, resp.StatusCode())
+					resultChan <- task
+					continue
+				}
+
+				// 获取CSV数据
+				csvData := string(resp.Body())
+				if len(csvData) == 0 {
+					task.Error = fmt.Errorf("第%d页没有数据", task.Page)
+					resultChan <- task
+					continue
+				}
+				log.Printf("csvData:\n%s", csvData)
+				// 记录查询结束时间
+				queryEndTime := time.Now()
+				queryDuration := queryEndTime.Sub(queryStartTime)
+				task.QueryTime = queryDuration
+				task.CSVData = csvData
+
+				// 插入数据到Doris
+				saveStartTime := time.Now()
+				err = dorisFactory.InsertCSV(database, table, csvData, skipHeader)
+				if err != nil {
+					task.Error = fmt.Errorf("第%d页数据插入Doris失败: %v", task.Page, err)
+					resultChan <- task
+					continue
+				}
+
+				// 记录保存结束时间
+				saveEndTime := time.Now()
+				saveDuration := saveEndTime.Sub(saveStartTime)
+				task.SaveTime = saveDuration
+
+				resultChan <- task
+			}
+		}(i + 1)
+	}
+
+	// 启动结果处理协程
+	go func() {
+		for task := range resultChan {
+			mu.Lock()
+
+			if task.Error != nil {
+				fmt.Printf("❌ 第 %d 页处理失败: %v\n", task.Page, task.Error)
+			} else {
+				// 计算本页数据行数
+				estimatedRows := task.EndRow - task.StartRow + 1
+				// 如果数据不足，按实际估算
+				if len(task.CSVData) < estimatedRows*50 { // 保守估计每行至少50字符
+					estimatedRows = len(task.CSVData) / 50
+				}
+
+				totalQueryTime += task.QueryTime
+				totalSaveTime += task.SaveTime
+				totalRowsInserted += estimatedRows
+				completedTasks++
+
+				fmt.Printf("✅ Worker 完成第 %d 页 (行 %d-%d, CLOTHING_ID > %s)\n",
+					task.Page, task.StartRow, task.EndRow, task.LastClothingID)
+				fmt.Printf("   查询耗时: %v, 保存耗时: %v\n", task.QueryTime, task.SaveTime)
+				fmt.Printf("   估算数据行数: %d\n", estimatedRows)
+
+				// 从CSV数据中提取最后一行的CLOTHING_ID
+				if task.CSVData != "" {
+					// 简单实现：取最后一行第一列的第一个记录
+					// 这里假设CSV格式是逗号分隔，没有标题行
+					lines := strings.Split(strings.TrimSpace(task.CSVData), "\n")
+					if len(lines) > 0 {
+						// 取最后一行（如果有多行数据）
+						lastLine := lines[len(lines)-1]
+						fields := strings.Split(lastLine, ",")
+						if len(fields) > 0 {
+							// 更新任务的LastClothingID
+							task.LastClothingID = strings.TrimSpace(fields[0]) // CLOTHING_ID是第一列
+							fmt.Printf("   提取到最后一个CLOTHING_ID: %s\n", task.LastClothingID)
+						}
+					}
+				}
+			}
+
+			mu.Unlock()
+
+			// 如果所有任务都完成了，发送完成信号
+			if completedTasks >= totalPages {
+				doneChan <- true
+				break
+			}
+		}
+	}()
+
+	// 生成任务并发送到任务通道
+	fmt.Println("\n📋 开始生成查询任务...")
+
+	// 初始CLOTHING_ID为"0"
+	lastClothingID := "0"
+
+	for page := 1; page <= totalPages; page++ {
+		startRow := pageConfig.StartRow + (page-1)*pageConfig.PageSize + 1
+		endRow := pageConfig.StartRow + page*pageConfig.PageSize
+
+		// 检查不超过要查询的总行数
+		maxEndRow := pageConfig.StartRow + pageConfig.TotalRows
+		if endRow > maxEndRow {
+			endRow = maxEndRow
+		}
+
+		// 生成查询SQL（使用参数模式）
+		querySQL, queryParams := getSQLWithPagination(startRow, endRow, lastClothingID)
+
+		task := QueryTask{
+			Page:           page,
+			StartRow:       startRow,
+			EndRow:         endRow,
+			QuerySQL:       querySQL,
+			QueryParams:    queryParams,
+			LastClothingID: lastClothingID,
+		}
+
+		fmt.Printf("生成第 %d 页任务 (行 %d-%d), 使用CLOTHING_ID > '%s'\n",
+			page, startRow, endRow, lastClothingID)
+		taskChan <- task
+
+		// 注意：在实际场景中，lastClothingID需要在任务完成后更新
+		// 这里简化处理，每个任务使用相同的lastClothingID
+		// 更好的做法是使用任务队列和结果回调来更新lastClothingID
+	}
+
+	// 关闭任务通道，通知worker没有更多任务
+	close(taskChan)
+
+	// 等待所有worker完成
+	wg.Wait()
+
+	// 关闭结果通道
+	close(resultChan)
+
+	// 等待结果处理完成
+	<-doneChan
+
+	// 记录总结束时间
+	totalEndTime := time.Now()
+	totalDuration := totalEndTime.Sub(totalStartTime)
+
+	// 打印性能统计
+	fmt.Println("\n📊 性能统计:")
+	fmt.Printf("   完成页数: %d/%d\n", completedTasks, totalPages)
+	fmt.Printf("   总查询耗时: %v\n", totalQueryTime)
+	fmt.Printf("   总保存耗时: %v\n", totalSaveTime)
+	fmt.Printf("   总耗时: %v\n", totalDuration)
+	fmt.Printf("   估算插入总行数: %d\n", totalRowsInserted)
+	if completedTasks > 0 {
+		fmt.Printf("   平均每页查询耗时: %v\n", totalQueryTime/time.Duration(completedTasks))
+		fmt.Printf("   平均每页保存耗时: %v\n", totalSaveTime/time.Duration(completedTasks))
+		fmt.Printf("   平均每秒处理行数: %.2f\n", float64(totalRowsInserted)/totalDuration.Seconds())
+	}
+
+	fmt.Println("✅ 所有数据成功插入到 Doris!")
+}
+
+// getSQLWithPagination 生成带分页的SQL语句（参数模式）
+// 返回SQL语句和参数映射
+func getSQLWithPagination(startRow, endRow int, lastClothingID string) (string, []interface{}) {
+	sql := `SELECT
+    CLOTHING_ID,
+    CLOTHING_YEAR,
+    CLOTHING_NAME,
+    STYLECOLOR_ID,
+    STYLE_ID,
+    COLOR_ID,
+    SIZE_ID,
+    CREATE_DATE,
+    STYLE_GROUP,
+    J_PRICE,
+    X_PRICE,
+    V_PRICE,
+    CLERK_ROYALTYRATE,
+    CLERK_ROYALTYPRICE,
+    BRAND_CODE,
+    STYLEVER_ID,
+    J_COST,
+    CLOTHING_IMG,
+    STYLE_UNIT_CODE,
+    STYLE_SEX_CODE,
+    STYLE_KIND_CODE,
+    STYLE_CLASS_CODE,
+    STYLE_SUBCLASS_CODE,
+    STYLE_DESIGNER_CODE,
+    STYLE_PLATER_CODE,
+    STYLE_STYLES_CODE,
+    STYLE_LOCATE_CODE,
+    STYLE_SALETYPE_CODE,
+    STYLE_COLORSYSTEM_CODE,
+    STYLE_THEME_CODE,
+    STYLE_INDENTTYPE_CODE,
+    STYLE_PRICEBAND_CODE,
+    STYLE_MONTH_CODE,
+    STYLE_COMPOSITION_CODE,
+    STYLE_SUPPLIER_CODE,
+    STYLE_SPARE1_CODE,
+    STYLE_SPARE2_CODE,
+    STYLE_SPARE4_CODE,
+    STYLE_SPARE5_CODE,
+    CATEGORY_CODE,
+    BRAND_ID,
+    STYCOLVER_ID,
+    STYLE_SAME,
+    CLOTHING_BARCODE,
+    CLOTHING_HELPID,
+    CLOTHING_GBCODE,
+    CLOTHING_RFID,
+    STYLE_SUBJECT_ID,
+    SIZEGRP_ID,
+    STYLE_HELPID,
+    CLOTHING_GBCODE1,
+    COLOR_NAME,
+    STYLEVER_NAME,
+    SIZE_NAME,
+    STYLE_UNIT,
+    STYLE_SEX,
+    STYLE_KIND,
+    STYLE_CLASS,
+    STYLE_SUBCLASS,
+    STYLE_DESIGNER,
+    STYLE_PLATER,
+    STYLE_BAND,
+    STYLE_STYLES,
+    STYLE_LOCATE,
+    STYLE_SALETYPE,
+    STYLE_COLORSYSTEM,
+    STYLE_THEME,
+    STYLE_INDENTTYPE,
+    STYLE_PRICEBAND,
+    STYLE_MONTH,
+    STYLE_COMPOSITION,
+    STYLE_SUPPLIER,
+    STYLE_SPARE1,
+    STYLE_SPARE2,
+    STYLE_SPARE3,
+    STYLE_SPARE4,
+    STYLE_SPARE5,
+    CATEGORY_NAME,
+    BRAND_NAME,
+    STYLE_YEAR_NAME,
+    STYLE_SEARCH_KEY,
+    STYLE_SUBJECT_NAME,
+    CLOTHING_REMARK,
+    STYLE_SPARE3_CODE,
+    COST,
+    BRAND_GROUPCODE,
+    CLASS_GROUPCODE,
+    MONTH_GROUPCODE,
+    RETURNSUBJECT_ID,
+    PRODUCT_SORT,
+    CLOTHING_PARTITION
+   FROM (
+    SELECT a.*, ROWNUM as rn
+    FROM (
+        SELECT *
+        FROM X6_STOCK_DEV.A3_CLOTHING 
+       
+        ORDER BY CLOTHING_ID
+    ) a
+    WHERE ROWNUM <= :1
+)
+WHERE rn > :2`
+
+	// 创建参数映射
+	params := []interface{}{
+		//lastClothingID,
+		endRow,
+		startRow - 1, // WHERE rn > :start_row 所以是startRow-1
+	}
+
+	return sql, params
+}

test/my_test.go

@@ -1,236 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"testing"
-	"time"
-
-	"git.x2erp.com/qdy/go-base/config"
-	"git.x2erp.com/qdy/go-db/factory"
-)
-
-// QueryRequest 查询请求结构体
-type QueryRequest struct {
-	SQL string `json:"sql"`
-}
-
-func TestQueryAndInsertToDoris(t *testing.T) {
-	// 记录总开始时间
-	totalStartTime := time.Now()
-	// 1. 获取HTTP工厂实例
-	httpFactory, err := factory.GetHTTPFactory()
-	if err != nil {
-		t.Fatalf("Failed to get HTTP factory: %v", err)
-	}
-	fmt.Println("HTTP factory created successfully")
-
-	// 2. 创建HTTP客户端
-	httpClient := httpFactory.CreateClient()
-
-	// 3. 准备查询SQL - 限制数据量用于测试
-	querySQL := getSQL()
-
-	// 4. 准备查询请求
-	queryRequest := QueryRequest{
-		SQL: querySQL,
-	}
-
-	// 记录查询开始时间
-	queryStartTime := time.Now()
-	// 5. 发送POST请求到 /api/query/csv 获取CSV格式数据
-	fmt.Println("Sending query request to localhost:8080/api/query/csv...")
-
-	resp, err := httpClient.PostWithAuth(
-		"http://localhost:8080/api/query/csv",
-		queryRequest,
-		"123", // Bearer Token
-		nil,
-	)
-
-	if err != nil {
-		t.Fatalf("Failed to send query request: %v", err)
-	}
-
-	if resp.StatusCode() != 200 {
-		t.Fatalf("Query request failed with status: %d, body: %s", resp.StatusCode(), string(resp.Body()))
-	}
-
-	// 6. 获取CSV数据
-	csvData := string(resp.Body())
-	if len(csvData) == 0 {
-		t.Fatalf("No CSV data received")
-	}
-
-	// 记录查询结束时间
-	queryEndTime := time.Now()
-	queryDuration := queryEndTime.Sub(queryStartTime)
-
-	fmt.Printf("✅ Query completed in %v\n", queryDuration)
-	fmt.Printf("Successfully retrieved CSV data, length: %d bytes\n", len(csvData))
-	//fmt.Printf("CSV data content:\n%s\n", csvData)
-
-	// 7. 获取Doris工厂实例
-	dorisFactory, err := factory.GetDorisFactory(httpFactory)
-	if err != nil {
-		t.Fatalf("Failed to get Doris factory: %v", err)
-	}
-	fmt.Println("Doris factory created successfully")
-
-	// 8. 先检查Doris表结构
-	fmt.Println("Checking Doris table structure...")
-
-	// 9. 插入数据到Doris
-	database := "X6_STOCK_DEV"
-	table := "A3_CLOTHING"
-	skipHeader := false // 改为true，跳过CSV头行
-
-	fmt.Printf("Inserting data to Doris database: %s, table: %s\n", database, table)
-	//fmt.Printf("CSV data to insert:\n%q\n", csvData)
-
-	cfg := config.GetConfig()
-	url := fmt.Sprintf("http://%s:%d/api/%s/%s/_stream_load", cfg.GetDoris().FEHost, cfg.GetDoris().FEPort, database, table)
-
-	fmt.Print(url + ".\n")
-
-	// 记录保存开始时间
-	saveStartTime := time.Now()
-	err = dorisFactory.InsertCSV(database, table, csvData, skipHeader)
-	if err != nil {
-		t.Fatalf("Failed to insert data to Doris: %v", err)
-	}
-
-	// 记录保存结束时间
-	saveEndTime := time.Now()
-	saveDuration := saveEndTime.Sub(saveStartTime)
-
-	fmt.Printf("✅ Data saved to Doris in %v\n", saveDuration)
-
-	// 记录总结束时间
-	totalEndTime := time.Now()
-	totalDuration := totalEndTime.Sub(totalStartTime)
-
-	// 打印性能统计
-	fmt.Println("\n📊 Performance Statistics:")
-	fmt.Printf("   Query Time: %v\n", queryDuration)
-	fmt.Printf("   Save Time:  %v\n", saveDuration)
-	fmt.Printf("   Total Time: %v\n", totalDuration)
-	fmt.Printf("   Data Size:  %d bytes\n", len(csvData))
-
-	fmt.Println("Data successfully inserted to Doris!")
-}
-
-func getSQLm() string {
-	return `SELECT
-    CLOTHING_ID,
-    CLOTHING_YEAR,
-    CLOTHING_NAME
-FROM X6_STOCK_DEV.A3_CLOTHING WHERE rownum <= 100000`
-}
-
-func getSQL() string {
-	// 3. 准备查询SQL
-	return `SELECT
-    CLOTHING_ID,
-    CLOTHING_YEAR,
-    CLOTHING_NAME,
-    STYLECOLOR_ID,
-    STYLE_ID,
-    COLOR_ID,
-    SIZE_ID,
-    CREATE_DATE,
-    STYLE_GROUP,
-    J_PRICE,
-    X_PRICE,
-    V_PRICE,
-    CLERK_ROYALTYRATE,
-    CLERK_ROYALTYPRICE,
-    BRAND_CODE,
-    STYLEVER_ID,
-    J_COST,
-    CLOTHING_IMG,
-    STYLE_UNIT_CODE,
-    STYLE_SEX_CODE,
-    STYLE_KIND_CODE,
-    STYLE_CLASS_CODE,
-    STYLE_SUBCLASS_CODE,
-    STYLE_DESIGNER_CODE,
-    STYLE_PLATER_CODE,
-    STYLE_STYLES_CODE,
-    STYLE_LOCATE_CODE,
-    STYLE_SALETYPE_CODE,
-    STYLE_COLORSYSTEM_CODE,
-    STYLE_THEME_CODE,
-    STYLE_INDENTTYPE_CODE,
-    STYLE_PRICEBAND_CODE,
-    STYLE_MONTH_CODE,
-    STYLE_COMPOSITION_CODE,
-    STYLE_SUPPLIER_CODE,
-    STYLE_SPARE1_CODE,
-    STYLE_SPARE2_CODE,
-    STYLE_SPARE4_CODE,
-    STYLE_SPARE5_CODE,
-    CATEGORY_CODE,
-    BRAND_ID,
-    STYCOLVER_ID,
-    STYLE_SAME,
-    CLOTHING_BARCODE,
-    CLOTHING_HELPID,
-    CLOTHING_GBCODE,
-    CLOTHING_RFID,
-    STYLE_SUBJECT_ID,
-    SIZEGRP_ID,
-    STYLE_HELPID,
-    CLOTHING_GBCODE1,
-    COLOR_NAME,
-    STYLEVER_NAME,
-    SIZE_NAME,
-    STYLE_UNIT,
-    STYLE_SEX,
-    STYLE_KIND,
-    STYLE_CLASS,
-    STYLE_SUBCLASS,
-    STYLE_DESIGNER,
-    STYLE_PLATER,
-    STYLE_BAND,
-    STYLE_STYLES,
-    STYLE_LOCATE,
-    STYLE_SALETYPE,
-    STYLE_COLORSYSTEM,
-    STYLE_THEME,
-    STYLE_INDENTTYPE,
-    STYLE_PRICEBAND,
-    STYLE_MONTH,
-    STYLE_COMPOSITION,
-    STYLE_SUPPLIER,
-    STYLE_SPARE1,
-    STYLE_SPARE2,
-    STYLE_SPARE3,
-    STYLE_SPARE4,
-    STYLE_SPARE5,
-    CATEGORY_NAME,
-    BRAND_NAME,
-    STYLE_YEAR_NAME,
-    STYLE_SEARCH_KEY,
-    STYLE_SUBJECT_NAME,
-    CLOTHING_REMARK,
-    STYLE_SPARE3_CODE,
-    COST,
-    BRAND_GROUPCODE,
-    CLASS_GROUPCODE,
-    MONTH_GROUPCODE,
-    RETURNSUBJECT_ID,
-    PRODUCT_SORT,
-    CLOTHING_PARTITION
-   FROM (
-    SELECT a.*, ROWNUM as rn
-    FROM (
-        SELECT *
-        FROM X6_STOCK_DEV.A3_CLOTHING 
-        ORDER BY CLOTHING_ID
-    ) a
-    WHERE ROWNUM <= 41000 
-)
-WHERE rn > 39000`
-
-	// FROM X6_STOCK_DEV.A3_CLOTHING WHERE rownum > 100 and rownum <= 20000`
-}

test/mycsv_test.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"testing"
+
+	"git.x2erp.com/qdy/go-db/factory"
+)
+
+func TestNamedParamsQueryCSV(t *testing.T) {
+	factory, err := factory.GetDBFactory()
+	if err != nil {
+		t.Fatalf("Failed to get DB factory: %v", err)
+	}
+	defer factory.Close()
+
+	// 简化的SQL，只测试3个参数
+	sql := `
+		SELECT * FROM (
+			SELECT a.*, ROWNUM rn FROM (
+				SELECT CLOTHING_ID, CLOTHING_NAME 
+				FROM X6_STOCK_DEV.A3_CLOTHING 
+				where clothing_id>:1
+				ORDER BY CLOTHING_ID
+			) a WHERE ROWNUM <= :2
+		) WHERE rn > :3
+	`
+
+	// // 3个参数
+	params := []interface{}{
+		"A",
+		10,
+		0,
+	}
+
+	// // 3个参数
+	// params := map[string]interface{}{
+
+	// 	"end_row":   10,
+	// 	"start_row": 0,
+	// }
+	// // 3个参数
+	// params := map[string]interface{}{
+	// 	"clothing_id": "`0`",
+	// 	"end_row":     10,
+	// 	"start_row":   0,
+	// }
+
+	// 执行查询
+	result := factory.QueryPositionalToJSON(sql, params)
+
+	// 检查结果 - 根据你的错误信息，result.Error 是 string 类型
+	if err != nil { // 改成检查空字符串
+		t.Errorf("Named parameters query failed: %s", err)
+	} else {
+		// 将请求参数输出为格式化的 JSON 日志
+		reqJSON, err := json.MarshalIndent(result, "", "  ")
+		if err != nil {
+			log.Printf("无法序列化请求参数: %v", err)
+		} else {
+			log.Printf("QueryRequest 参数:\n%s", string(reqJSON))
+		}
+
+		// 或者使用 fmt 输出
+		//fmt.Printf("=== QueryRequest ===\n%s\n====================\n", string(reqJSON))
+	}
+
+}

test/mysql_test.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"testing"
+
+	"git.x2erp.com/qdy/go-db/factory"
+)
+
+func TestNamedParamsQuery(t *testing.T) {
+	factory, err := factory.GetDBFactory()
+	if err != nil {
+		t.Fatalf("Failed to get DB factory: %v", err)
+	}
+	defer factory.Close()
+
+	// 简化的SQL，只测试3个参数
+	sql := `
+		SELECT * FROM (
+			SELECT a.*, ROWNUM rn FROM (
+				SELECT CLOTHING_ID, CLOTHING_NAME 
+				FROM X6_STOCK_DEV.A3_CLOTHING 
+				
+				ORDER BY CLOTHING_ID
+			) a WHERE ROWNUM <= :1
+		) WHERE rn > :2
+	`
+
+	// // 3个参数
+	params := []interface{}{
+		10,
+		0,
+	}
+
+	db := factory.GetDB()
+	rows, err := db.Query(sql, params...) // 获取行结果集
+
+	if err != nil {
+		log.Fatalf("查询失败: %v", err)
+	}
+	defer rows.Close()
+
+	// 1. 获取列信息
+	columns, err := rows.Columns()
+	if err != nil {
+		log.Fatalf("获取列失败: %v", err)
+	}
+
+	// 2. 准备存储结果的切片
+	var results []map[string]interface{}
+
+	// 3. 遍历每一行
+	for rows.Next() {
+		// 创建值的切片（每个列一个值）
+		values := make([]interface{}, len(columns))
+		valuePtrs := make([]interface{}, len(columns))
+		for i := range values {
+			valuePtrs[i] = &values[i]
+		}
+
+		// 扫描行数据
+		err := rows.Scan(valuePtrs...)
+		if err != nil {
+			log.Fatalf("扫描行失败: %v", err)
+		}
+
+		// 将当前行转换为 map
+		rowMap := make(map[string]interface{})
+		for i, col := range columns {
+			val := values[i]
+
+			// 处理特殊类型（如 []byte 转换为 string）
+			if b, ok := val.([]byte); ok {
+				rowMap[col] = string(b)
+			} else {
+				rowMap[col] = val
+			}
+		}
+
+		results = append(results, rowMap)
+	}
+
+	// 检查遍历过程中的错误
+	if err = rows.Err(); err != nil {
+		log.Fatalf("遍历行错误: %v", err)
+	}
+
+	// 4. 现在可以序列化为 JSON
+	reqJSON1, err := json.MarshalIndent(results, "", "  ")
+	if err != nil {
+		log.Fatalf("JSON序列化失败: %v", err)
+	}
+
+	log.Printf("查询结果:\n%s", string(reqJSON1))
+	log.Printf("共 %d 行数据", len(results))
+}