74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package mmysql
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import (
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"../config"
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"database/sql"
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"log"
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"strings"
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//导入mysql的驱动
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_ "github.com/go-sql-driver/mysql"
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)
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type ServiceList struct {
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Id int32 `service id`
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Name string `service name`
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Host string `hostip`
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area string `area`
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port int `port`
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Url string `monitor url`
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user string `user`
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sendto string `alter message send to`
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}
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func GetServiceList(area string) (ss []ServiceList) {
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var myconn config.MysqlConf
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myconn.GetMysqlConn()
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path := strings.Join([]string{myconn.User, ":", myconn.Passwd, "@tcp(", myconn.Conn, ")/", "services", "?charset=utf8"}, "")
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//打开数据库,前者是驱动名，所以要导入： _ "github.com/go-sql-driver/mysql"
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db, _ := sql.Open("mysql", path)
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log.Printf("conn db %s", path)
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//设置数据库最大连接数
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db.SetConnMaxLifetime(100)
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//设置上数据库最大闲置连接数
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db.SetMaxIdleConns(10)
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//验证连接
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if err := db.Ping(); err != nil {
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log.Print("opon database fail")
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return
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}
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rows, err := db.Query("select id,name,host,url FROM services.services_list where area=?", area)
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//获取完毕释放rows，阻止更多的列举
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defer rows.Close()
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if err != nil {
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log.Println("获取错误:", err)
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return
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}
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//如果有数据记录Next指针就不为true
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var v []ServiceList
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for rows.Next() {
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var id int32
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var name string
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var host string
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var url string
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rows.Scan(&id, &name, &host, &url)
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var s ServiceList
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s.Id = id
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s.Name = name
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s.Host = host
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s.Url = url
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v = append(v, s)
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//log.Println(s)
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}
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//Err返回可能的、在迭代时出现的错误。Err需在显式或隐式调用Close方法后调用。
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err = rows.Err()
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if err != nil {
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log.Println("other error:", err)
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return v
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}
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//log.Println("return list with area", v)
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return v
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}
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