1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/*
* @Author: your name
* @Date: 2021-07-21 13:02:17
* @LastEditTime: 2021-07-21 13:09:34
* @LastEditors: Please set LastEditors
* @Description: In User Settings Edit
* @FilePath: \evm-store\tools\database_migration.go
*/
package main
import (
"database/sql"
"fmt"
_ "github.com/mattn/go-sqlite3"
)
func main() {
fmt.Println("打开数据")
db, err := sql.Open("sqlite3", "./evue_store.db")
checkErr(err)
fmt.Println("生成数据表")
sql_table := `
CREATE TABLE IF NOT EXISTS "userinfo" (
"uid" INTEGER PRIMARY KEY AUTOINCREMENT,
"username" VARCHAR(64) NULL,
"departname" VARCHAR(64) NULL,
"created" TIMESTAMP default (datetime('now', 'localtime'))
);
CREATE TABLE IF NOT EXISTS "userdeatail" (
"uid" INT(10) NULL,
"intro" TEXT NULL,
"profile" TEXT NULL,
PRIMARY KEY (uid)
);
`
db.Exec(sql_table)
//插入数据
fmt.Print("插入数据, ID=")
stmt, err := db.Prepare("INSERT INTO userinfo(username, departname) values(?, ?)")
checkErr(err)
res, err := stmt.Exec("astaxie", "研发部门")
checkErr(err)
id, err := res.LastInsertId()
checkErr(err)
fmt.Println(id)
//更新数据
fmt.Print("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
fmt.Println("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, username, department, created)
}
/*
//删除数据
fmt.Println("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)
}
}