游标学习

connectPool/cursor/cursor.go

@@ -0,0 +1,24 @@
+package cursor
+
+import (
+	"database/sql"
+	"fmt"
+	"goLearn/model"
+)
+
+func Runcorsor(db *sql.DB) {
+	row, err := db.Query("SELECT uid,author,age FROM article WHERE age > 50")
+	if err != nil {
+		return
+	}
+	num := 0
+	for row.Next() {
+		num++
+		var data model.CursorData
+		err := row.Scan(&data.Uid, &data.Author, &data.Age)
+		if err != nil {
+			panic(err)
+		}
+		fmt.Printf("第%d个age大于50的数据：\nuid: %s\nauthor: %s\nage:%d\n", num, data.Uid, data.Author, data.Age)
+	}
+}