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improve example codes

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This commit is contained in:
John
2019-09-24 23:41:18 +08:00
parent 6d4da529ee
commit b0f859cc91
32 changed files with 177 additions and 405 deletions
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90
.example/database/gdb/sqlite/sqlite.go
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@ -1,47 +1,47 @@
package main
//import (
// _ "github.com/mattn/go-sqlite3"
// "github.com/gogf/gf/database/gdb"
// "github.com/gogf/gf/frame/g"
// "fmt"
//)
//
//func main() {
// gdb.SetConfig(gdb.Config{
// "default": gdb.ConfigGroup{
// gdb.ConfigNode{
// Name: "/tmp/my.db",
// Type: "sqlite",
// },
// },
// })
// db := g.Database()
// if db == nil {
// panic("db create failed")
// }
// defer db.Close()
//
// // 创建表
// sql := `CREATE TABLE user (
// uid INT PRIMARY KEY NOT NULL,
// name VARCHAR(30) NOT NULL
// );`
// if _, err := db.Exec(sql); err != nil {
// fmt.Println(err)
// }
//
// // 写入数据
// result, err := db.Table("user").Data(g.Map{"uid" : 1, "name" : "john"}).Save()
// if err == nil {
// fmt.Println(result.RowsAffected())
// } else {
// fmt.Println(err)
// }
//
// // 删除表
// sql = `DROP TABLE user;`
// if _, err := db.Exec(sql); err != nil {
// fmt.Println(err)
// }
//}
import (
"fmt"
"github.com/gogf/gf/database/gdb"
"github.com/gogf/gf/frame/g"
_ "github.com/mattn/go-sqlite3"
)
func main() {
gdb.SetConfig(gdb.Config{
"default": gdb.ConfigGroup{
gdb.ConfigNode{
Name: "/tmp/my.db",
Type: "sqlite",
},
},
})
db := g.DB()
if db == nil {
panic("db create failed")
}
// 创建表
sql := `CREATE TABLE user (
uid INT PRIMARY KEY NOT NULL,
name VARCHAR(30) NOT NULL
);`
if _, err := db.Exec(sql); err != nil {
fmt.Println(err)
}
// 写入数据
result, err := db.Table("user").Data(g.Map{"uid": 1, "name": "john"}).Save()
if err == nil {
fmt.Println(result.RowsAffected())
} else {
fmt.Println(err)
}
// 删除表
sql = `DROP TABLE user;`
if _, err := db.Exec(sql); err != nil {
fmt.Println(err)
}
}