1. 程式人生 > >表字段對應值輸出

表字段對應值輸出

package main

import (
    "database/sql"
    "fmt"
    "log"

    _ "github.com/go-sql-driver/mysql"
)

//先把欄位的值都當成字串
func Rows2SliceMap(rows *sql.Rows) (list []map[string]string) {
    //欄位名稱
    columns, _ := rows.Columns()
    //多少個欄位
    length := len(columns)
    //每一行欄位的值
    values := make([]sql.RawBytes, length)
    //儲存的是values的記憶體地址
    pointer := make([]interface{}, length)
    //
    for i := 0; i < length; i++ {
        pointer[i] = &values[i]
    }
    //
    for rows.Next() {
        //把引數展開,把每一行的值存到指定的記憶體地址去,迴圈覆蓋,values也就跟著被賦值了
        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:
[email protected]
(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"]) } }