laravel 实现阿里云oss文件上传功能的示例

2022-04-14 18:57:55

1、定义路由

// 阿里云文件储存Route::group(['prefix'=>'aliyun'], function(){    Route::get('sign', 'AliyunController@sign');}); 

2、编写 controller 层

/**     * 返回OSS的签名验证     * @return jsON 签名信息     */    public function sign(Request $request)    {        //初始化一下必要的请求数据        $id = 'xxx';   //AccessKeyId        $key = 'xxx';  //AccessKeySecret        $host = '//xxx.oss-cn-shenzhen.aliyuncs.com';  //OSS库地址        $cdn_host = "//img.xxx.com"; //真实的访问地址        $dir = 'test/';  //上传目录设置        $callbackUrl = url('upload/callback');  //上传回调的地址        //上传回调的参数,callbackUrl地址,callbackBody回调接收的参数,callbackBodyType通过POST调用的回调函数,所以要设置这个头        $callback_param = array(            'callbackUrl' => $callbackUrl,            'callbackBody' => 'filename=${object}&size=${size}&mimeType =${mimeType}&height=${imageInfo.height}&width=${imageInfo.width}',            'callbackBodyType' => "application/x-www-form-urlencoded"        );        $callback_string = json_encode($callback_param);  //转换成json格式        $base64_callback_body = base64_encode($callback_string); //要返回的回调函数参数信息        //设置过期时间        $now = time();                $expire = 60 * 60 * 2; //设置该policy超时时间是 2小时. 即这个policy过了这个有效时间,将不能访问,这里可以根据自己的token过期时间来设置        $end = $now + $expire;        $expiration = $this->gmt_iso8601($end);  //进行时间格式的转换        //处理上传限制条件        //最大文件大小.用户可以自己设置        $condition = array(0 => 'content-length-range', 1 => 0, 2 => 1048576000);        $conditions[] = $condition; //设定文件大小        //表示用户上传的数据,必须是以$dir开始, 不然上传会失败,这一步不是必须项,只是为了安全起见,防止用户通过policy上传到别人的目录        $start = array(0 => 'starts-with', 1 => '$key', 2 => $dir);        $conditions[] = $start;  //必须以设定的目录开头,防止上传错误        $arr = array('expiration' => $expiration, 'conditions' => $conditions);        $policy = json_encode($arr);        $base64_policy = base64_encode($policy);  //要返回的上传限制参数        //签名信息        $string_to_sign = $base64_policy;        $signature = base64_encode(hash_hmac('sha1', $string_to_sign, $key, true));  //要返回的签名信息        //设置返回信息        $response = array(            'accessid' => $id,  //accessid            'host' => $host,    //上传地址            'cdn_host' => $cdn_host,    //真实的访问地址            'policy' => $base64_policy,  //上传文件限制            'signature' => $signature,   //签名信息            'expire' => $end,    //失效时间            'callback' => $base64_callback_body,  //上传回调参数            'dir' => $dir     //上传的目录        );        return response()->json([            'code' => 0,            'msg' => 'success',            'data' => $response        ]);    }    //格式化时间,格式为2020-07-07T23:48:43Z    public function gmt_iso8601($time)    {        $dtStr = date("c", $time);        $pos = strpos($dtStr, '+');        $expiration = substr($dtStr, 0, $pos);        return $expiration . "Z";    }

3、查看接口返回

laravel 实现阿里云oss文件上传功能的示例

4、前端界面及操作编写,这里采用的是 vue

<template>    <div class="test" style="padding:100px 0px 1000px 0px;">        <div>                            <input type="file" id="file" name="file" />            <a @click="upload()" href="javascript:;" rel="external nofollow" >上传</a>        </div>    </div></template><script>export default {    data(){        return {        }    },    mounted() {            this.getOssToken();    },    methods: {        //获取上传通行证        getOssToken(){            var _self = this;             this.axios.get('/aliyun/sign').then((res)=>{                var data = res.data;          www.easck.com      if(data.code==0){                       _self.aliyunOssToken = data.data;                }else{                    _self.$message.warning(data.msg);                }            });        },        upload(){            var _self = this;            var getSuffix = function (fileName) {                var pos = fileName.lastIndexOf(".");                var suffix = '';                if (pos != -1) {                    suffix = fileName.substring(pos);                }                return suffix;            }            var file = $("#file").val();            if (file.length == 0) {                alert("请选择文件");            }            var oFileName = file.lastIndexOf('\');            var oFileName = file.substr(oFileName+1);            var fileName = oFileName.lastIndexOf('.');            var fileName = oFileName.substr(0,fileName);            console.log(fileName);            var filename = new Date().getTime() + getSuffix(file);            var formData = new FormData();            //注意formData里append添加的键的大小写      smfbbTailS      formData.append('key', _self.aliyunOssToken.dir + filename); //存储在oss的文件路径            formData.append('OSSAccessKeyId', _self.aliyunOssToken.accessid); //accessKeyId            formData.append('policy', _self.aliyunOssToken.policy); //policy            formData.append('Signature', _self.aliyunOssToken.signature); //签名            formData.append("file", $("#file")[0].files[0]);            formData.append('success_action_status', 200); //成功后返回的操作码            var url = _self.aliyunOssToken.host;            var fileUrl = _self.aliyunOssToken.cdn_host +'/'+ _self.aliyunOssToken.dir + filename;            $.ajax({                url: url,                type: 'POST',                data: formData,                // async: false,                cache: false,                contentType: false,                processData:www.easck.com false,                success: function (data) {                    console.log(fileUrl);                    console.log(data);                },                error: function (data) {                    console.log(data);                }            });        }    }}</script>

5、点击上传按钮,浏览器控制台输出链接,访问该链接,即可看到该图片

laravel 实现阿里云oss文件上传功能的示例

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