标签：golang
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 )
}
}标签：golang
原文地址：http://chenxiaolong.blog.51cto.com/8786841/1944665
