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layui文件上傳組件配合后臺代碼進行文件上傳

html部分代碼

                        <div style="margin-left: 110px;text-align: center;" class="layui-upload">
                            <input type="hidden" name="head[0]" lay-verify="head" id="head" value=""> //這里是文件上傳字段對應的name值，
                            完成上傳之后，要把返回的id賦值給value
                            <button type="button" class="layui-btn" id="upload">
                                <i class="layui-icon">&#xe608;</i> 文件上傳
                            </button>
                            <div class="layui-upload-list">
                                <img style="width: 140px; height: 180px; border: 0.5px solid " class="layui-upload-img" id="imgUpload">
                                <p id="demoText"></p>
                            </div>
                        </div>

js部分代碼

php部分代碼

public function upload() {
        $files = $this->request->getFiles();
        $p['exts'] = $files['file_data']->getClientExtension();
        $p['size'] = 100;

        // 驗證上傳權限
        $rt = \Phpcmf\Service::L('upload')->upload_file([
            'path' => '',
            'form_name' => 'file_data',
            'file_exts' => @explode(',', $p['exts']),
            'file_size' => (int)$p['size'] * 1024 * 1024,
            'attachment' => \Phpcmf\Service::M('Attachment')->get_attach_info(),
        ]);
        if (!$rt['code']) {
            exit(dr_array2string($rt));
        }

        // 附件歸檔
        $data = \Phpcmf\Service::M('Attachment')->save_data($rt['data']);
        if (!$data['code']) {
            exit(dr_array2string($data));
        }

        // 上傳成功
        if (IS_API_HTTP) {
            $data['data'] = [
                'id' => $data['code'],
                'url' => $rt['data']['url'],
            ];
            exit(dr_array2string($data));
        } else {
            exit(dr_array2string(['code' => 1, 'msg' => dr_lang('上傳成功'), 'id' => $data['code'], 'info' => $rt['data']]));
        }

    }