fukun DigDeeply

## grafefulHttp.go
package main

import (
	"context"
	"fmt"
	"io"
	"log"
	"net"
	"net/http"
	"os"

## HttpProxy.go
package main

import (
	"fmt"
	"io"
	"log"
	"net"
	"net/url"
	"strings"
)
	package main

	import (
	"context"
	"fmt"
	"io"
	"log"
	"net"
	"net/http"
	"os"