xigang

package main

import (
	"database/sql"
	"fmt"
	_ "github.com/go-sql-driver/mysql"
	//"time"
)

/*

xigang

package main

import (
	"crypto"
	"crypto/rsa"
	"crypto/sha1"
	"crypto/x509"
	"encoding/base64"
	"fmt"
)

xigang

package main

import (
	"flag"
	"fmt"
	"log"
	"os"
)

var fpath *string = flag.String("d", "Null", "please input a file path.")

xigang

// internal utility methods
func webTime(t time.Time) string {
    ftime := t.Format(time.RFC1123)
    if strings.HasSuffix(ftime, "UTC") {
        ftime = ftime[0:len(ftime)-3] + "GMT"
    }
    return ftime
}

func dirExists(dir string) bool {

xigang

const (
	DBName   = "rijin"
	Host     = "localhost"
	User     = "root"
	Port     = 3306
	Password = "wangxigang"
	Charset  = "utf8"
)

func initDatabase() (err error) {

xigang

func round(num float64) int {
    return int(num + math.Copysign(0.5, num))
}

func toFixed(num float64, precision int) float64 {
    output := math.Pow(10, float64(precision))
    return float64(round(num * output)) / output
}

xigang

package main

import (
    "bufio"
    "fmt"
    "log"
    "os"
)

func main() {

xigang

package main

import (
    "bufio"
    "fmt"
    "log"
    "os"
)

func main() {

xigang

package main

import "os/exec"

func main() {
    app := "echo"
    //app := "buah"

    arg0 := "-e"
    arg1 := "Hello world"

xigang

//http://lubia.cn/2016/05/22/functional-options-for-friendly-apis/
//http://dave.cheney.net/2014/10/17/functional-options-for-friendly-apis
package main

import (
	"fmt"
)

type Options struct {
	Name      string