代码未整理，从文件读取内容，切割为数组后做为资源使用，闲话少述，直接上代码：

package main

import (
    "io/ioutil"
    "log"
    "os"
    "strings"
    "time"
    "math/rand"
)
type RandName struct {
    first   string // first name dict 姓氏字典
    gender  string // gender 性别
    namenum int    // name character count 名字个数
    bdict   string // boy's name dict 男名字典
    gdict   string // girl's name dict 女名字典
    mdict   string // 中性用名
}

func (n RandName) readFile(fname string) (dic []string) {
    fileInfo, err := os.Stat(fname)
    if err != nil {
        if os.IsExist(err) {
            log.Println(fileInfo)
        }
    }

    data, err := ioutil.ReadFile(fname)
    if err != nil {
        log.Fatal(err)
    }

    dic = strings.Split(string(data), ",")

    return
}

func (n *RandName) getFrist() (first string) {
    if n.first == "" {
        fdic := n.readFile("firstName.dat")

        rand := rand.New(rand.NewSource(time.Now().UnixNano()))

        res := rand.Intn(len(fdic))
        first = fdic[res]
    } else {
        first = n.first
    }

    return
}

func (n *RandName) getName() (boy string) {

    var fname string
    if n.gender == "女" {
        fname = "gname.dat"
    } else {
        fname = "bname.dat"
    }

    dic := n.readFile(fname)
    dicLen := len(dic)

    if dicLen <= 0 {
        log.Fatal("名字库内容为空")
    }

    if n.namenum == 0 {
        nseeder := rand.New(rand.NewSource(time.Now().UnixNano()))
        n.namenum = nseeder.Intn(100)%2 + 1
    }

    for index := 0; index < int(n.namenum); index++ {
        rand := rand.New(rand.NewSource(time.Now().UnixNano()))
        res := rand.Intn(dicLen)
        boy = boy + dic[res]
    }

    return
}

/**
 * 主入口函数
 */
func main() {

    u := RandName{first: "张", gender: "女"}
    for index := 0; index < 10; index++ {
        randName := u.getFrist() + u.getName()
        log.Println(randName)
    }

}