Angular 2 http.post FormData()向PHP上传文件

时间:2017-06-16 12:09:12

标签: php angular file-upload angular-cli multipartform-data

我有一个使用A2 CLI的项目,我正在尝试使用type =“file”的输入标签上传文件。就整个工作流程而言,我的工作正常,但我无法从客户端到服务器获取文件数据。

我在TypeScript中有以下代码:

myFnc(event){
    let fileList: FileList = event.target.files;
    if(fileList.length > 0) {
        let file: File = fileList[0];
        console.log(file);
        console.log(file.name);
        let formData:FormData = new FormData();
        formData.append('uploadFile', file, file.name);
        let headers = new Headers();
        /*
            this was the culprit:
            headers.append('Content-Type', 'multipart/form-data');
            worked for me by changing it to:
        */
            headers.append('enctype', 'multipart/form-data');
        headers.append('Accept', 'application/json');
        let options = new RequestOptions({ headers: headers });
        console.log(formData);
        console.log(options);
        this.http.post('./assets/data/upload-persona-document.service.php', formData, options)
            .map(res => res.json())
            .catch(error => Observable.throw(error))
            .subscribe(
                data =>{
                    console.log(data);
                },
                error =>{
                    console.log(error);
                }
            )
    }
}

我没有得到错误并得到我正在控制台中检查的结果。 (我知道console.log(formData)实际上不会输出formData的内容。我试过.entries()但是我读过在TS中没有很好地支持FormData方法。)

在upload-persona-document.service.php中:

<?php
    $target_dir = "../docs/Personas/";
    $json = array();
    $postData = file_get_contents("php://input");
    $input = json_decode($postData);
    $json['input'] = $input;
    $json['post'] = ($_POST);
    $json['files'] = $_FILES;
    $target_file = $target_dir . basename($_FILES["uploadFile"]["name"]);
    $uploadOk = 1;
    $imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
    echo json_encode($json);
    // ...a bunch of code that will act on the data when I can finally get it correctly...

当我得到回复时,我得到:

[Log] {input: null, post: [], files: []} (main.bundle.js, line 1117)

我对我所缺少的东西感到困惑。

1 个答案:

答案 0 :(得分:3)

因此经过一些挖掘和实验后,我发现我必须在上面的headers.append()行中将Content-Type更改为enctype(更新该位。)