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Apr 29, 2016
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add FAQ #150

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Original file line number Diff line number Diff line change
Expand Up @@ -601,6 +601,211 @@ $('#stop_load').on('click', function(){
推荐一个关于 [CORS](http://enable-cors.org/) 的网站

<a id="contribute-code"></a>

**10.Android自带的Webview对JS SDK不支持 **
在Android自带的Webview里面引用JS SDK的demo(http://jssdk.demo.qiniu.io/) :
```
public class MainActivity extends Activity {
private WebView webview;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
webview = (WebView) findViewById(R.id.wv);
webview.getSettings().setJavaScriptEnabled(true);
webview.setWebViewClient(new WebViewClient(){
public boolean shouldOverrideUrlLoading(WebView view, String url){
view.loadUrl(url);
return true;
}
});
webview.loadUrl("http://demos.qiniu.com/demo/simpleuploader/");
}

}
```
但是点击选择文件按钮没有反应，这个是Webview对JS不是很支持造成的，解决方法可以引入这个Webview,jar包地址如下:
https://github.com/delight-im/Android-AdvancedWebView/blob/master/JARs/Android-AdvancedWebView.jar
使用的方法文档上都有写，比较简单：
```
private AdvancedWebView mWebView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

mWebView = (AdvancedWebView) findViewById(R.id.webview);
mWebView.setListener(this, this);
mWebView.loadUrl("http://jssdk.demo.qiniu.io/");
}
```

**11.关于多个按钮选择文件的Demo **

很多用户都在问JSSDK多文件选择的Demo，其实比较简单，只需要在main.js文件里面多new几个Uploader对象就可以了，然后在主页面上里面写好对应的上传的按钮就可以了
这里直接给出main.js和indxe.html里面需要改动的地方:
main.js里面多new几个uploader对象
```
$(function() {
var uploader = Qiniu.uploader({
runtimes: 'html5,flash,html4',
browse_button: 'pickfiles',
container: 'container',
drop_element: 'container',
max_file_size: '100mb',
flash_swf_url: 'js/plupload/Moxie.swf',
dragdrop: true,
chunk_size: '4mb',
uptoken:'um6IEH7mtwnwkGpjImD08JdxlvViuELhI4mFfoeL:79ApUIePTtKIdVGDHJ9D9BfBnhE=:eyJzY29wZSI6ImphdmFkZW1vIiwiZGVhZGxpbmUiOjE0NTk4ODMyMzV9Cg==',
// uptoken_url: $('#uptoken_url').val(), //当然建议这种通过url的方式获取token
domain: $('#domain').val(),
auto_start: false,
init: {
'FilesAdded': function(up, files) {
$('table').show();
$('#success').hide();
plupload.each(files, function(file) {
var progress = new FileProgress(file, 'fsUploadProgress');
progress.setStatus("等待...");
});
},
'BeforeUpload': function(up, file) {
var progress = new FileProgress(file, 'fsUploadProgress');
var chunk_size = plupload.parseSize(this.getOption('chunk_size'));
if (up.runtime === 'html5' && chunk_size) {
progress.setChunkProgess(chunk_size);
}
},
'UploadProgress': function(up, file) {
var progress = new FileProgress(file, 'fsUploadProgress');
var chunk_size = plupload.parseSize(this.getOption('chunk_size'));

progress.setProgress(file.percent + "%", file.speed, chunk_size);
},
'UploadComplete': function() {
$('#success').show();
},
'FileUploaded': function(up, file, info) {
var progress = new FileProgress(file, 'fsUploadProgress');
progress.setComplete(up, info);
},
'Error': function(up, err, errTip) {
$('table').show();
var progress = new FileProgress(err.file, 'fsUploadProgress');
progress.setError();
progress.setStatus(errTip);
}
}
});

uploader.bind('FileUploaded', function() {
console.log('hello man,a file is uploaded');
});

$('#up_load').on('click', function(){
uploader.start();
});
$('#stop_load').on('click', function(){
uploader.stop();
});

var Q2 = new QiniuJsSDK();
var uploader2 = Q2.uploader({
runtimes: 'html5,flash,html4',
browse_button: 'pickfiles2',
container: 'container2',
drop_element: 'container2',
max_file_size: '100mb',
flash_swf_url: 'js/plupload/Moxie.swf',
dragdrop: true,
chunk_size: '4mb',
uptoken:'um6IEH7mtwnwkGpjImD08JdxlvViuELhI4mFfoeL:79ApUIePTtKIdVGDHJ9D9BfBnhE=:eyJzY29wZSI6ImphdmFkZW1vIiwiZGVhZGxpbmUiOjE0NTk4ODMyMzV9Cg==',
// uptoken_url: $('#uptoken_url').val(), //当然建议这种通过url的方式获取token
domain: $('#domain').val(),
auto_start: false,
init: {
'FilesAdded': function(up, files) {
$('table').show();
$('#success').hide();
plupload.each(files, function(file) {
var progress = new FileProgress(file, 'fsUploadProgress');
progress.setStatus("等待...");
});
},
'BeforeUpload': function(up, file) {
var progress = new FileProgress(file, 'fsUploadProgress');
var chunk_size = plupload.parseSize(this.getOption('chunk_size'));
if (up.runtime === 'html5' && chunk_size) {
progress.setChunkProgess(chunk_size);
}
},
'UploadProgress': function(up, file) {
var progress = new FileProgress(file, 'fsUploadProgress');
var chunk_size = plupload.parseSize(this.getOption('chunk_size'));

progress.setProgress(file.percent + "%", file.speed, chunk_size);
},
'UploadComplete': function() {
$('#success').show();
},
'FileUploaded': function(up, file, info) {
var progress = new FileProgress(file, 'fsUploadProgress');
progress.setComplete(up, info);
},
'Error': function(up, err, errTip) {
$('table').show();
var progress = new FileProgress(err.file, 'fsUploadProgress');
progress.setError();
progress.setStatus(errTip);
}
}
});

uploader2.bind('FileUploaded', function() {
console.log('hello man 2,a file is uploaded');
});
$('#up_load2').on('click', function(){
uploader2.start();
});
$('#stop_load2').on('click', function(){
uploader2.stop();
});
```
相应的index.html文件加入相关按钮:
```
<div id="container">
<a class="btn btn-default btn-lg " id="pickfiles" style="width:160px" href="#" >
<i class="glyphicon glyphicon-plus"></i>
<span>选择文件</span>
</a>

<a class="btn btn-default btn-lg " id="up_load" style="width:160px" href="#" >
<span>确认上传</span>
</a>

<a class="btn btn-default btn-lg " id="stop_load" style="width:160px" href="#" >
<span>暂停上传</span>
</a>
</div>

<div id="container2">
<a class="btn btn-default btn-lg " id="pickfiles2" style="width:160px" href="#" >
<i class="glyphicon glyphicon-plus"></i>
<span>选择文件</span>
</a>

<a class="btn btn-default btn-lg " id="up_load2" style="width:160px" href="#" >
<span>确认上传</span>
</a>

<a class="btn btn-default btn-lg " id="stop_load2" style="width:160px" href="#" >
<span>暂停上传</span>
</a>
</div>
</div>
```


### 贡献代码

1. 登录 https://github.com
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