【整理】Cordova 从相册中选择照片/拍照并上传

一、安装需要的插件
        不管是从相册中选择图片上传，还是拍照上传。我们都需要如下先安装如下三个插件：Camera（相机）、file（文件访问操作）、fileTransfer（文件传输）。

  cordova plugin add cordova-plugin-camera

√ cordova plugin add cordova-plugin-file

√ cordova plugin add cordova-plugin-file-transfer

cordova-plugin-camera 安装失败

cordova plugin add cordova-plugin-camera  Installing "cordova-plugin-camera" for android  Failed to install 'cordova-plugin-camera': CordovaError: Version of installed plugin: "cordova-plugin-compat@1.0.0" does not satisfy dependency plugin requirement "cordova-plugin-compat@^1.1.0". Try --force to use installed plugin as dependency.      at C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\cordova-lib\src\plugman\install.js:581:33      at _fulfilled (C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\q\q.js:787:54)      at self.promiseDispatch.done (C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\q\q.js:816:30)      at Promise.promise.promiseDispatch (C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\q\q.js:749:13)      at C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\q\q.js:509:49      at flush (C:\Users\cluo\AppData\Roaming\npm\node_modules\cordova\node_modules\q\q.js:108:17)      at _combinedTickCallback (internal/process/next_tick.js:73:7)      at process._tickCallback (internal/process/next_tick.js:104:9)  Error: Version of installed plugin: "cordova-plugin-compat@1.0.0" does not satisfy dependency plugin requirement "cordova-plugin-compat@^1.1.0". Try --force to use installed plugin as dependency  

E:\workspace\ispecapp>cordova plugin remove --force cordova-plugin-compatThe plugin 'cordova-plugin-compat' is required by (cordova-plugin-file, cordova-plugin-file-transfer) but forcing removalUninstalling cordova-plugin-compat from androidRemoving "cordova-plugin-compat""cordova-plugin-compat" is required by (cordova-plugin-file, cordova-plugin-file-transfer) but forcing removal.Removing plugin cordova-plugin-compat from config.xml file...Removing cordova-plugin-compat from package.json

E:\workspace\ispecapp>cordova plugin add cordova-plugin-compatPlugin "cordova-plugin-compat" already installed on android. Making it top-level.Adding cordova-plugin-compat to package.jsonSaved plugin info for "cordova-plugin-compat" to config.xml

E:\workspace\ispecapp>cordova plugin add cordova-plugin-cameraInstalling "cordova-plugin-camera" for androidPlugin dependency "cordova-plugin-compat@1.1.0" already fetched, using that version.Dependent plugin "cordova-plugin-compat" already installed on android.Subproject Path: CordovaLibSubproject Path: ../../../../zxing-master/zxing-client-android/zxing-libAdding cordova-plugin-camera to package.jsonSaved plugin info for "cordova-plugin-camera" to config.xml

问题参见：Try --force to use installed plugin as dependency.
Cordova - 从相册中选择照片并上传，以及拍照上传