由於七牛雲端儲存使用了名稱空間USE，名稱空間是在PHP5.3才引入的，所以5.3之前的版本會報錯的哦

第一、下載七牛雲端儲存SDK對應的PHP版本

第二、解壓檔案(我重新命名為了qiniusdk),放到專案根目錄

第三、確定上傳檔案的機制(HTML上傳，後臺上傳)

第四、上傳成功

詳解第三步(以下程式碼全部與sdk同級目錄)：

HTML上傳：

<form method="post" action="http://up.qiniu.com" enctype="multipart/form-data">
			<input name="token" type="hidden" value="<?php echo $token;?>">
			<input name="file" type="file" />
			<input type="submit" value="上傳"/>
		</form> 
 

<?php
	require_once __DIR__ . '/qiniusdk/autoload.php';

	use Qiniu\Auth;
	use Qiniu\Storage\UploadManager;

	$accessKey = '換成你的';
	$secretKey = '換成你的';
	$auth = new Auth($accessKey, $secretKey);
	$bucket = '換成你的儲存空間';
	$token = $auth->uploadToken($bucket);
?>

如果需要獲取到檔名以及自定義檔名可以增加一個

<?php
	require_once __DIR__ . '/qiniusdk/autoload.php';
	header('Access-Control-Allow-Origin:*');
	use Qiniu\Auth;
	use Qiniu\Storage\UploadManager;

	$accessKey = 'XXX';
	$secretKey = 'YYY';
	$auth = new Auth($accessKey, $secretKey);
	$bucket = 'ZZZ';
	$newname = time().'.jpg';
	$policy = array(
		'saveKey'=>$newname,
		'callbackUrl' => 'http://WWW.sinaapp.com/qiniu/callback.php',
		'callbackBody' => "name=$(fname)&newname=$newname&toid=12"
		);
	$token =  $auth->uploadToken($bucket,NULL, 3600, $policy);
?>
 

callback.php

<?php
$callbackBody = file_get_contents('php://input');
//$callbackBodys = base64_encode(serialize($callbackBody));
$mysql = new SaeMysql();
$sql = "ddd";
$mysql->runSql($sql);
ECHO '{"success":true}';
exit;

至此一個通過html直接上傳到七牛的小功能就實現了；

PHP上傳BASE64:

$accessKey = '58Lg-AxchuJG3Hr4UjgwWmL5LGJdlePRdn6666';
		$secretKey = 'Hr47oR6Tdv-AMMvDrgdkuoYdiDScarRD7777';
		$bucket = 'melvita';
		$auth = new Auth($accessKey, $secretKey);
		$upToken = $auth->uploadToken($bucket);
		$rand = rand(1111,9999);
		$now = time();
		$name = 'melvita/'.$now.$rand;
		$bodyKey = base64_encode($name);
		
		$str= isset($_POST['imgstr'])?$_POST['imgstr']:false;//圖片BASE64
		if($str){
			$qiniu = phpCurlImg("http://up-z1.qiniu.com/putb64/-1/key/".$bodyKey,$str,$upToken);
			$qiniuArr = json_decode($qiniu,true);
			if($qiniuArr['key']==$name){
				setcookie('qiniuImg',$name,time()+1000);
				$return['info']['code'] = 'S001';
				$return['data']['name'] = '_286f67d5b83550bfed5b1ce8b3af0c63';
				$return['data']['type'] = 'jpg';
				$return['data']['filename'] = 'http://oog4uis9x.bkt.clouddn.com/'.$name;
				$return['msg'] = '提交成功';
			}else{
				$return['status'] = 0;
				$return['msg'] = '上傳失敗';
			}
		}else{
			$return['status'] = 0;
			$return['msg'] = '引數不全';
		}

function phpCurlImg($remote_server,$post_string,$upToken) {  
		$headers = array();
		$headers[] = 'Content-Type:image/png';
		$headers[] = 'Authorization:UpToken '.$upToken;
		$ch = curl_init();  
		curl_setopt($ch, CURLOPT_URL,$remote_server);  
		//curl_setopt($ch, CURLOPT_HEADER, 0);
		curl_setopt($ch, CURLOPT_HTTPHEADER ,$headers);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
		//curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string);
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
		curl_setopt($ch, CURLOPT_TIMEOUT, 30);
		$data = curl_exec($ch);  
		curl_close($ch);  
		return $data;  
	}

JS上傳BASE64：

前端給我的圖片格式是base64:data:image/png;base64,iVBORw....一系列base64編碼，發現七牛有一個上地址 可以直接上傳，單需要把字元"base64,"及其之前的字元都去掉，方法如下

var pic = 'iVBORw0KGgoAAAANSUh...';//圖片base64編碼
var url = "http://up.qiniu.com/putb64/-1/key/YWJj"; //YWJj為圖片名base64編碼
	$(document).ready(function(){
		$("#putb").click(function(){
			$.ajax({
				type: "POST",
				url: url,
				data: pic,
				headers: {'Content-Type': 'application/octet-stream','Authorization': 'UpToken <?php echo $upToken?>'},
				success:function(result){
					 console.log(msg);
				}
			});

		});
	});

//原始JS寫的AJAX
var url = "http://up.qiniu.com/putb64/-1/key/YWJj"; 
	var xhr = new XMLHttpRequest();
	var xhrget = new XMLHttpRequest();
	var obj;
	xhr.onreadystatechange=function(){
		if (xhr.readyState==4){
			console.log(xhr.responseText);
		}
	}
 
	xhr.open("POST", url, true); 
	xhr.setRequestHeader("Content-Type", "application/octet-stream"); 
	xhr.setRequestHeader("Authorization", "UpToken <?php echo $upToken?>"); 
	xhr.send(pic);

後臺上傳：

感覺繞來繞去的還是比較麻煩，索性後臺直接呼叫介面直接上傳，這裡需要用到七牛SDK中UploadManager的一個新方法putFile

<?php
require_once __DIR__ . '/qiniusdk/autoload.php';

use Qiniu\Auth;
use Qiniu\Storage\UploadManager;

$accessKey = 'XX';
$secretKey = 'YY';
$auth = new Auth($accessKey, $secretKey);
$bucket = 'ZZ';
$token = $auth->uploadToken($bucket);

$uploadMgr = new UploadManager();
//print_r($_FILES['file']['tmp_name']);exit;
$filePath = $_FILES['file']['tmp_name'];//'./php-logo.png';
$key = 'php-logo.png';
list($ret, $err) = $uploadMgr->putFile($token, $key, $filePath);
echo "\n====> putFile result: \n";
if ($err !== null) {
    var_dump($err);
} else {
    var_dump($ret);
}

html和上面的寫法一樣，只不過action地址改為自己的就可以了

七牛上傳原始碼:https://github.com/rwifeng/qiniudocs/tree/master/demo/simpleuploader