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  • golang使用sqlite

    安装问题

    在import sqlite的时候,golang build 出现以下错误,

    exec: "gcc": executable file not found in %PATH%
    

    原因是sqlitle3是个cgo库,需要gcd编译c代码
    然后下载安装tdm-gcc即可(windosw版本)下载地址:http://tdm-gcc.tdragon.net/download

    在golang中使用sqlite3

    package main
    
    import (
        "database/sql"
        "fmt"
        _ "github.com/mattn/go-sqlite3"
    )
    
    func main() {
        db, err := sql.Open("sqlite3", "./foo.db")
        checkErr(err)
    
        //插入数据
        stmt, err := db.Prepare("INSERT INTO userinfo(username, departname, created) values(?,?,?)")
        checkErr(err)
    
        res, err := stmt.Exec("astaxie", "研发部门", "2012-12-09")
        checkErr(err)
    
        id, err := res.LastInsertId()
        checkErr(err)
    
        fmt.Println(id)
        //更新数据
        stmt, err = db.Prepare("update userinfo set username=? where uid=?")
        checkErr(err)
    
        res, err = stmt.Exec("astaxieupdate", id)
        checkErr(err)
    
        affect, err := res.RowsAffected()
        checkErr(err)
    
        fmt.Println(affect)
    
        //查询数据
        rows, err := db.Query("SELECT * FROM userinfo")
        checkErr(err)
    
        for rows.Next() {
            var uid int
            var username string
            var department string
            var created string
            err = rows.Scan(&uid, &username, &department, &created)
            checkErr(err)
            fmt.Println(uid)
            fmt.Println(username)
            fmt.Println(department)
            fmt.Println(created)
        }
    
        //删除数据
        stmt, err = db.Prepare("delete from userinfo where uid=?")
        checkErr(err)
    
        res, err = stmt.Exec(id)
        checkErr(err)
    
        affect, err = res.RowsAffected()
        checkErr(err)
    
        fmt.Println(affect)
    
        db.Close()
    
    }
    
    func checkErr(err error) {
        if err != nil {
            panic(err)
        }
    }
    ```
    
    
    
    
    更多请访问:<a href="http://ued.mcren.net/golangzhong-shi-yong-sqliteshu-ju-ku/" target="_blank" >红象UED</a>
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  • 原文地址:https://www.cnblogs.com/spnt/p/4660054.html
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