go api json 输出尝试

时间:2023-03-09 23:34:21
go api json 输出尝试
package main

import (
"fmt"
"net/http"
//"net/url"
"github.com/drone/routes"
"database/sql"
_ "github.com/go-sql-driver/mysql"
"encoding/json"
) var db = &sql.DB{} func init(){
var err interface{}
db, err = sql.Open("mysql", "root:123@tcp(localhost:3306)/mytest?charset=utf8")
if err!=nil{
fmt.Println("数据库连接出错")
}else{
fmt.Println("suc sql connect")
}
} type BaseRes struct{
Code int
Msg string
Data interface{}
} func (b BaseRes) sucSet(m string,c int) BaseRes{
b.Code=c
b.Msg=m
return b //这里要返回出去才能被外界访问,因为这是一个闭包
} type Article struct{
Title string
Author string
Time string
Content string
} type ArticleTwo struct{
Id int
Title string
Content string
} func testRoute(w http.ResponseWriter,r *http.Request){
var sid Article
sid.Title="第一女首富的最好时刻又来了"
sid.Author="周聪明"
sid.Time="2014-12-03"
sid.Content="十一年前的今天,当年的胡润百富榜发布,49岁的张茵拥有财富270亿元,成为中国第一位女首富,也是世界上最富有的女性白手起家者。当胡润公布首富人名时,场下只有两三"
var sendData BaseRes
sendData.Code=10000
sendData.Msg="success"
sendData.Data=sid
res,_:=json.Marshal(sendData)
fmt.Fprintln(w, string(res))
} func testRouteTwo(w http.ResponseWriter,r *http.Request){
rows, _ := db.Query("select * from article")
var a ArticleTwo
var arr []ArticleTwo //定义一个arr的数组用来存储ArticleTwo类型的数据
for rows.Next() {
rows.Scan(&a.Title, &a.Content, &a.Id) //存储ArticleTwo类型的数据
arr=append(arr,a) //循环加入数组中
}
var b BaseRes
b.Data=arr
b=b.sucSet("suc",10000)
res,_:=json.Marshal(b)
fmt.Fprintln(w, string(res))
} func main() {
fmt.Println("正在启动WEB服务...")
var mux *routes.RouteMux = routes.New()
mux.Get("/",testRoute)
mux.Get("/two",testRouteTwo) //http.Handle("/", mux)
http.ListenAndServe(":8088", mux)
fmt.Println("服务已停止")
}