package main
import (
"database/sql"
"fmt"
"log"
_ "github.com/go-sql-driver/mysql"
)
//先把字段的值都当成字符串
func Rows2SliceMap(rows *sql.Rows) (list []map[string]string) {
//字段名称
columns, _ := rows.Columns()
//多少个字段
length := len(columns)
//每一行字段的值
values := make([]sql.RawBytes, length)
//保存的是values的内存地址
pointer := make([]interface{}, length)
//
for i := 0; i < length; i++ {
pointer[i] = &values[i]
}
//
for rows.Next() {
//把参数展开,把每一行的值存到指定的内存地址去,循环覆盖,values也就跟着被赋值了
rows.Scan(pointer...)
//每一行
row := make(map[string]string)
for i := 0; i < length; i++ {
fmt.Println(values[i])
row[columns[i]] = string(values[i])
}
list = append(list, row)
}
//
return
}
func main() {
db, err := sql.Open("mysql", "root:123456@tcp(127.0.0.1:3306)/wuren_admin?charset=utf8")
if err != nil {
log.Println(err.Error())
}
err = db.Ping()
if err != nil {
log.Println(err.Error())
}
rows, _ := db.Query("select * from admin")
defer rows.Close()
list := Rows2SliceMap(rows)
for k, v := range list {
fmt.Println(k)
fmt.Println(v["id"], v["name"], v["telephone"])
}
}
表字段对应值输出
猜你喜欢
转载自www.cnblogs.com/ryanlamp/p/10031077.html
今日推荐
周排行