码迷,mamicode.com
首页 > Web开发 > 详细

百度webuploader图片点击预览和上传实现(angularjs版)

时间:2015-08-25 20:55:52      阅读:9292      评论:0      收藏:1      [点我收藏+]

标签:

//注意,请自行下载最新版angularjs,webuploader.js, jquery.js

 

<!DOCTYPE html>
<html>

<head>
<meta charset="utf-8">
<meta name="view" content="width=device-width;user-scalable=no;initial-scale=1.0">

<script src="jquery.js"></script>

<script src="angular.min.js"></script>

<!--注意点击上传css改过-->
<link href="webuploader.css" rel="stylesheet">
<script src="webuploader.js"></script>

 

<style>

.image-host{

width:100%;


}

.image-block{

position:relative;
width:100px;
height:100px;

margin:10px 10px;
float:left;
display:inline-block;

}

.image-block img{

width:100px;
height:100px;

}


</style>
</head>

<body>

<script>

angular.module(‘imgApp‘,[]).controller(‘imgController‘,function($http,$rootScope){

$rootScope.imgArr = [{‘url‘:‘http://ww3.sinaimg.cn/mw600/672ac5f1jw1dyvqs9ya0zj.jpg‘},{‘url‘:‘http://ww3.sinaimg.cn/mw600/672ac5f1jw1dyvqs9ya0zj.jpg‘},{‘url‘:‘http://ww3.sinaimg.cn/mw600/672ac5f1jw1dyvqs9ya0zj.jpg‘}];

});
</script>


<script>

var imgurlArr = new Array();

 

jQuery(function($) {
var config = {

swfUri: ‘/webuploader/0.1.5/.swf‘,

tokenUrl : ‘http://xx.com/uploadtoken‘,
imageUrl : ‘http://yy.com‘,
imageUploadUrl : ‘http://upload.qiniu.com/‘,
thumbnailWidth : 100,//285,
thumbnailHeight : 100//204
}

var appElement =$(‘div[ng-controller=imgController]‘);
var $scope = angular.element(appElement).scope();


//根据想要设置的图片数量,通过imgarr来调节,动态生成相应数量的点击上传控件
var imglen = $scope.imgArr.length;
for(var i=0;i<imglen;i++)
initImage({ imageUploadUrl: config.imageUploadUrl, imagePicker: ‘#image-picker‘+i,
imageList: ‘#image-box‘+i, imageUrl: config.imageUrl, imageField: ‘#image-url‘+i,
width: config.thumbnailWidth, height: config.thumbnailHeight});

// 全局令牌
$.ajax({
url: config.tokenUrl,
type: ‘POST‘,
dataType:‘json‘,
crossDomain: true,
withCredentials: true,
success: function(json) {
gToken = json.token;

//下面这段被注释掉,如果只是实现预览功能,上面那部分就可以实现,如果要实现上传,那么还需要和图片存储服务器交互,
//这里使用的是qiniu服务的服务,如果选择任意的服务器,将服务器域名修改,并将下面这段注释去掉,并注释上面那相同的部分,就可以
//在上传成功里看到响应了
/* var imglen = $scope.imgArr.length;
for(var i=0;i<imglen;i++)
initImage({token: gToken, imageUploadUrl: config.imageUploadUrl, imagePicker: ‘#image-picker‘+i,
imageList: ‘#image-box‘+i, imageUrl: config.imageUrl, imageField: ‘#image-url‘+i,
width: config.thumbnailWidth, height: config.thumbnailHeight});

*/


},
error:function(){
}
});

 

function initImage(config) {
// 图片相关
// 文件上传相关
var imageUploader = WebUploader.create({
auto: true,
swf: ‘static/.swf‘,
server: config.imageUploadUrl,
pick: config.imagePicker,
fileVal: ‘file‘,
resize: false,
fileNumLimit: 1,
accept: {
title: ‘请选择正确类型图片‘,
extensions: ‘gif,jpg,jpeg,bmp,png‘,
mimeTypes: ‘image/*‘
}
});
imageUploader.on(‘beforeFileQueued‘, function(file) {
imageUploader.reset();
});
imageUploader.on(‘fileQueued‘, function(file) {


// 创建缩略图
imageUploader.makeThumb( file, function(error, src) {
if (error) {
$img.replaceWith(‘<span>不能预览</span>‘);
return;
}

//通过config.imagePicker,我们获知具体是哪个图片框被点击选择图片,作为判断填充图片的id
var imageIndex = config.imagePicker.substr(13);

//填充图片64编码地址,不是服务器url,只有成功上传后才能在下面的onsuccess里获取,所以不影响预览
$scope.imgArr[imageIndex].url = src;
$scope.$apply();


}, config.width, config.height);

$(config.imagePicker).find(‘.webuploader-pick‘).text(‘重新选择‘);
});
imageUploader.on(‘uploadBeforeSend‘, function(object, data, headers) {
data.token = config.token;
});
imageUploader.on(‘uploadSuccess‘, function(file, response) {

//这里获取服务器响应的数据,需要和qiniu或者你自己选择的服务商商定
alert(response.key);

//这里会在隐藏的input里填充从服务器获取的图片url
$(config.imageField).val(config.imageUrl + ‘/‘ + response.key);
imageUploader.reset();
});
imageUploader.on(‘uploadError‘, function(file) {

imageUploader.reset();
});

}

 

 

});

</script>
<div class="image-host" ng-app="imgApp" ng-controller="imgController">
<div class="image-block" ng-repeat="one in imgArr">
<input type="hidden" id="image-url{{$index}}" >
<div id="image-box{{$index}}"><img ng-src="{{one.url}}"></div>
<div id="image-picker{{$index}}" >选择图片</div>
</div>

</div>

 

 


</body>
</html>

 

 

 

下面是修改后的webuploder.css

 

.webuploader-container {
position: relative;
}
.webuploader-element-invisible {
position: absolute !important;
clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
clip: rect(1px,1px,1px,1px);
}
.webuploader-pick {
position: relative;
display: inline-block;
cursor: pointer;
background: #5CB85C;
width:100px;
padding: 6px 15px;
color: #fff;
text-align: center;
border-radius: 3px;
overflow: hidden;


}
.webuploader-pick-hover {
background: #50B64E;
}

.webuploader-pick-disable {
opacity: 0.6;
pointer-events:none;
}

.webuploader-container>div {
width:86px;

}

 

下一篇,将讲解,批量拖动图片预览,和点击后批量上传,由于要修改百度webpuloader.js,所以源代码会放置到github上面,进行分享哦

百度webuploader图片点击预览和上传实现(angularjs版)

标签:

原文地址:http://www.cnblogs.com/eternaluve/p/4758262.html

(2)
(3)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!