小编Arc*_*lly的帖子

我几天前就开始了我的新手.我想连接到mongodb,搜索,创建服务并将其用于角度.我几乎完成了所有事情,但我遇到了json.marshal()的问题.有人能告诉我我做错了什么,还是有更好的方法？谢谢 :)

错误是"./main.go:96:单值上下文中的多值json.Marshal()"

package main

import (
    "encoding/json"
    "flag"
    "fmt"
    "github.com/gorilla/mux"
    "labix.org/v2/mgo"
    "labix.org/v2/mgo/bson"
    "log"
    "net/http"
)

type warrior struct {
    Name       string        `json:"name"`
    LowDamage  int           `json:"low_damage"`
    HighDamage int           `json:"high_damage"`
    Health     int           `json:"health"`
    HealthLeft int           `json:"health_left"`
    Armor      int           `json:"armor"`
    Id         bson.ObjectId "_id,omitempty"
}

func getWarriors(w http.ResponseWriter, r *http.Request) {
    w.Header().Set("Content-Type", "application/json")
    w.WriteHeader(200)
    w.Write(mongo())
}

func main() {

    // command line flags
    port := flag.Int("port", 5001, "port to serve on")
    dir := flag.String("random message 1", "web/", "random message 2")
    flag.Parse()

    // handle …