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| *.exe | ||
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| .idea/ | ||
| .idea/ | ||
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| conf.json |
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| package SqlxDemo | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
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| _ "github.com/go-sql-driver/mysql" | ||
| "github.com/jinzhu/configor" | ||
| "github.com/jmoiron/sqlx" | ||
| ) | ||
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| var db *sqlx.DB | ||
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| type Config struct { | ||
| Mysql DBConfig `json:"mysql"` | ||
| } | ||
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| type DBConfig struct { | ||
| Username string `json:"username"` | ||
| Password string `json:"password"` | ||
| Host string `json:"host"` | ||
| Prefix string `json:"prefix"` | ||
| } | ||
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| type Music struct { | ||
| ID int `db:"id"` | ||
| Author string `db:"music_author"` | ||
| Name string `db:"music_name"` | ||
| Album string `db:"music_album"` | ||
| Time string `db:"music_time"` | ||
| MusicType string `db:"music_type"` | ||
| Lyrics string `db:"music_lyrics"` | ||
| Arranger string `db:"music_arranger"` | ||
| } | ||
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| // InitDB 初始化DB连接 | ||
| func InitDB() error { | ||
| // 读取conf.json配置文件 | ||
| confDir := "conf.json" | ||
| _, err := os.Stat(confDir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| // 解析conf.json配置文件 | ||
| var conf Config | ||
| err = configor.Load(&conf, confDir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| // 新建DB连接 | ||
| dataSourceName := fmt.Sprintf("%s:%s@tcp(%s)/%s", conf.Mysql.Username, conf.Mysql.Password, conf.Mysql.Host, | ||
| conf.Mysql.Prefix) | ||
| db, err = sqlx.Connect("mysql", dataSourceName) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
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| // SimpleQueryRow 数据库操作 | ||
| func SimpleQueryRow() { | ||
| err := InitDB() | ||
| if err != nil { | ||
| fmt.Printf("Connect to Database failed: %v \n", err) | ||
| return | ||
| } | ||
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| sqlStr := "select * from music_music" | ||
| var music []Music | ||
| err = db.Select(&music, sqlStr) | ||
| if err != nil { | ||
| fmt.Printf("query failed, err: %v \n", err) | ||
| return | ||
| } | ||
| for _, v := range music { | ||
| fmt.Println(v) | ||
| } | ||
| } |
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