test_picture = function() {

            api.getPicture({

                    sourceType: 'library',

                    encodingType: 'png',

                    mediaValue: 'pic',

                    destinationType: 'url',

                    allowEdit: true,

                    //quality: ,

                    //targetWidth:,

                    //targetHeight:,

                    saveToPhotoAlbum: false

                }, function(ret, err){

                    if (ret) {

                     api.ajax({

                  timeout : ,

                  method : 'post',

                  url : 'http://192.168.1.121/picture.php',

                  data : {

                          files:{upfile : ret.data},

                  },

                  dataType : 'json',

              }, function(ret, err) {

                  api.hideProgress();

                  alert(JSON.stringify(ret));

              });

                    } else {

                        api.alert({msg:err.msg});

                    };

                });

    };

PHP接收图片

<?php

function getname($exname){

        $dir = "./uploadfile/";

           $i=;

           if(!is_dir($dir)){

              mkdir($dir,);

           }

           while(true){

            if(!is_file($dir.$i.".".$exname)){

                $name=$i.".".$exname;

                break;

              }

             $i++;

           }

           return $dir.$name;

}

$exname=strtolower(substr($_FILES['upfile']['name'],(strrpos($_FILES['upfile']['name'],'.')+)));

$uploadfile = getname($exname); 

if (move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile)) {

   echo "<h2><font color=#ff0000>文件上传成功！</font></h2><br><br>";

} else {

   echo "<h2><font color=#ff0000>文件上传失败！</font></h2><br><br>";

}

?>