HTML5 调用手机相册和摄像头的方法并上传微信下测试通过

<input type="file" capture="camera" accept="image/*" id="cameraInput" name="cameraInput">

$("#cameraInput").on('change',function(){

var file = this.files[0]
//alert(img);
var reader = new FileReader();
reader.readAsDataURL(file);

reader.onload = function(evt) {
$("#imgprv").attr("src",this.result);
$("#imgprv").attr("data-b64",encodeURIComponent(this.result));

}

});

PHP接收端

function SetHeader(){
        $uid= $_SESSION['uid'];
        $b64f = urldecode(I("b64f"));

        $f       = explode(',', $b64f);

        if ( preg_match('/\s*data:image\/(\w+);/',$b64f , $result ) ){
                    file_put_contents( "1.txt", $result[1] );
                    $fName = time().".".$result[1];
                    $file =  C('PICTURE_UPLOAD.rootPath')."newf"."/".$fName;
                    file_put_contents($file, base64_decode( $f[1] ) );
                    //写入数据库
                    M("member")->where("uid=$uid")->save(array("avatar"=>$file));

        }
        exit( json_encode(array('status'=>1,'msg'=>'上传成功','data'=>$file) ) );

    }