更新时间:2022-09-27 17:55:40
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package controllers import ( "github.com/revel/revel"
"fmt"
"time"
"strconv"
"strings"
"database/sql"
"text/template"
_ "github.com/go-sql-driver/mysql"
) type Spark struct { *revel.Controller
} var (
starlist = map[string]string{
"xuezhiqian" : "薛之谦" ,
"wanghan" : "汪涵" ,
"yangdi" : "杨迪" ,
"guoxuefu" : "郭雪芙" ,
"zhangyu" : "张宇" ,
"liuwei" : "刘维" ,
"tianyuan" : "田源" ,
"qianfeng" : "钱枫" ,
"shenmengchen" : "沈梦辰" ,
"zhaosilu" : "赵思璐" ,
}
db *sql.DB
) type dbObj struct{ db *sql.DB
} func (c Spark) getcase() *dbObj{ if db != nil{
return &dbObj{db:db}
} else {
var conf map[string]string
conf = c.getconf()
fmt.Println(conf)
server := fmt.Sprintf( "%s:%s@tcp(%s:%s)/%s?charset=%s" ,conf[ "user" ],conf[ "pwd" ],conf[ "host" ],conf[ "port" ],conf[ "db" ],conf[ "charset" ])
db, _ = sql.Open( "mysql" , server) //第一个参数为驱动名
db.SetMaxOpenConns( 100 )
db.SetMaxIdleConns( 10 )
return &dbObj{db}
}
} func (c Spark) getdb() { if db == nil {
var conf map[string]string
conf = c.getconf()
fmt.Println(conf)
server := fmt.Sprintf( "%s:%s@tcp(%s:%s)/%s?charset=%s" ,conf[ "user" ],conf[ "pwd" ],conf[ "host" ],conf[ "port" ],conf[ "db" ],conf[ "charset" ])
db, _ = sql.Open( "mysql" , server) //第一个参数为驱动名
db.SetMaxOpenConns( 100 )
db.SetMaxIdleConns( 10 )
}
} func (c Spark) getconf() map[string]string{ var conf map[string]string
conf = make(map[string]string,10)
conf[ "host" ],_ = revel.Config.String( "host" )
conf[ "db" ],_ = revel.Config.String( "db" )
conf[ "pwd" ],_ = revel.Config.String( "pwd" )
conf[ "user" ],_ = revel.Config.String( "user" )
conf[ "port" ],_ = revel.Config.String( "port" )
conf[ "charset" ],_ = revel.Config.String( "charset" )
return conf
} func (c Spark) Add (starname string,url string , username string,cb string) revel.Result { starname = template.HTMLEscapeString(strings.TrimSpace(starname))
username = template.HTMLEscapeString(strings.TrimSpace(username))
url = template.HTMLEscapeString(strings.TrimSpace(url))
if starname == "" {
return c.display(1, "请填写好你支持的明星,再提交!" , "" ,cb)
}
if url == "" {
return c.display(2, "请填写好你剪辑好的视频,再提交!" , "" ,cb)
}
newlist := make(map[string]string,len(starlist))
for key,name := range starlist {
newlist[name] = key
}
_, ok := newlist[starname]
if (!ok){
return c.display(3, "填写的明星不存在" , "" ,cb)
}
t := time.Now().Unix()
tt := strconv.FormatInt(t,10)
//c.getdb()
c.getcase()
//stmt,err := db.Prepare("insert into star (starname,username,videourl,addtime,status) values (?,?,?,?,?)")
//checkErr(err)
//res,err := stmt.Exec(starname,username,url,tt,0)
//checkErr(err)
//id,err := res.LastInsertId()
//fmt.Println(id)
fmt.Println(db)
_,err := db. Exec ( "insert into star (starname,username,videourl,addtime,status) values (?,?,?,?,?)" ,starname,username,url,tt,0)
_,err = db. Exec ( "update info set num=num+1 where starname=?" ,starname)
//checkErr(err)
//id,err = res.LastInsertId()
if err == nil {
return c.display(0, "ok" , "提交成功,请耐心等待工作人员审核" ,cb)
} else {
return c.display(4, "插入数据库失败" , "" ,cb)
}
} func (c Spark) Getstarlist(cb string) revel.Result{ c.getcase()
rows,err := db.Query( "select id,starname, num ,imgurl,videourl ,headimg from info order by num desc" )
checkErr(err)
defer rows.Close()
list := make( []map[string] interface {},0,1 )
for rows.Next() {
row := make(map[string] interface {})
var id int
var starname string
var num int
var imgurl string
var videourl string
var headimg string
err = rows.Scan(&id,&starname,&num,&imgurl,&videourl,&headimg)
row[ "id" ] = id
row[ "starname" ] = starname
row[ "num" ] = num
row[ "imgurl" ] = imgurl
row[ "videourl" ] = videourl
row[ "headimg" ] = headimg
checkErr(err)
list = append(list,row)
}
return c.display(0, "ok" ,list,cb)
} func (c Spark) Getone(name string,cb string) revel.Result{ //c.getdb()
c.getcase()
stmt,err := db.Prepare( "select id,starname, num ,imgurl,videourl ,headimg from info where starname=?" )
checkErr(err)
var id int
var starname string
var num int
var imgurl string
var videourl string
var headimg string
error := stmt.QueryRow(name).Scan(&id,&starname,&num,&imgurl,&videourl,&headimg)
checkErr(error)
row := make(map[string] interface {})
row[ "id" ] = id
row[ "starname" ] = starname
row[ "num" ] = num
row[ "imgurl" ] = imgurl
row[ "videourl" ] = videourl
row[ "headimg" ] = headimg
return c.display(0, "ok" ,row,cb)
} func checkErr(err error) { if err != nil {
panic(err)
}
} func (c Spark) display (errno int,msg string,data interface {},cb string)revel.Result{
var result = make(map[string] interface {},2)
result[ "errno" ] = errno
result[ "msg" ] = msg
result[ "data" ] = data
if cb != "" {
return c.RenderJSONP( cb,result )
} else {
return c.RenderJSON( result )
}
}
本文转自 陈小龙哈 51CTO博客,原文链接:http://blog.51cto.com/chenxiaolong/1944665 |