HBuilder+HTML5 Plus+MUI實現拍照或者相冊選擇圖片上傳，利用html5 Plus的Camera、Gallery、IO、Storage和Uploader來實現手機APP拍照或者從相冊選擇圖片上傳。Camera模塊管理設備的攝像頭，可用於拍照、攝像操作，通過plus.camera獲取攝像頭管理對象。Gallery模塊管理系統相冊，支持從相冊中選擇圖片或視頻文件、保存圖片或視頻文件到相冊等功能。通過plus.gallery獲取相冊管理對象。IO模塊管理本地文件系統，用於對文件系統的目錄瀏覽、文件的讀取、文件的寫入等操作。通過plus.io可獲取文件系統管理對象。Storage模塊管理應用本地數據存儲區，用於應用數據的保存和讀取。應用本地數據與localStorage、sessionStorage的區別在於數據有效域不同，前者可在應用內跨域操作，數據存儲期是持久化的，並且沒有容量限制。通過plus.storage可獲取應用本地數據管理對象。Uploader模塊管理網絡上傳任務，用於從本地上傳各種文件到服務器，並支持跨域訪問操作。通過plus.uploader可獲取上傳管理對象。Uploader上傳使用HTTP的POST方式提交數據，數據格式符合Multipart/form-data規範，即rfc1867（Form-based File Upload in HTML）協議。
拍照或相冊選取一張demo下載地址：http://pan.baidu.com/s/1cqnSNs
拍照或相冊選取多張demo下載地址：http://pan.baidu.com/s/1o7UQHxo
<!doctype html>
<html class="feedback">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" />
<meta name="misapplication-tap-highlight" content="no" />
<meta name="HandheldFriendly" content="true" />
<meta name="MobileOptimized" content="320" />
<title>HTML5 Plus 拍照或者相冊選擇圖片上傳</title>
<link rel="stylesheet" href="../../css/mui.min.css">
<link rel="stylesheet" type="text/css" href="../../css/app.css" />
<link rel="stylesheet" type="text/css" href="../../css/iconfont.css" />
<link rel="stylesheet" type="text/css" href="../../css/feedback-page.css" />
<link rel="stylesheet" href="../../css/font-awesome.min.css">
<script src="../../js/jquery.js"></script>
<script type="text/javascript" src="../../js/common.js"></script>
<script type="text/javascript" src="../../js/utitls.js"></script>
<style type="text/css">
.del {
position: absolute;
top:1px;
right: 1px;
display: block;
line-height: 1;
cursor: pointer;
color:#fff;
}
.del:hover {
color:#ff3333;
}
</style>
<style>
.table-view {
position: relative;
margin-top: 0;
margin-bottom: 0;
padding-left: 0;
list-style: none;
background-color: #f5f5f5;
}
.table-view-cell {
position: relative;
overflow: hidden;
padding: 0px 15px;
-webkit-touch-callout: none;
margin-bottom: 1px;
}
.table-view-cell:after {
position: absolute;
right: 0;
bottom: 0;
left: 0px;
height: 1px;
content: '';
-webkit-transform: scaleY(.5);
transform: scaleY(.5);
background-color: #c8c7cc;
}
.table-view-cell>a:not(.btn) {
position: relative;
display: block;
overflow: hidden;
margin: -0px -15px;
padding: inherit;
white-space: nowrap;
text-overflow: ellipsis;
color: inherit;
background-color: #75b9f4;
height: 40px;
line-height: 40px;
}
.navigate-right:after
{
font-family: Muiicons;
font-size: inherit;
line-height: 1;
position: absolute;
top: 50%;
display: inline-block;
-webkit-transform: translateY(-50%);
transform: translateY(-50%);
text-decoration: none;
color: #666;
-webkit-font-smoothing: antialiased;
}
.table-view-cell.collapse .collapse-content {
position: relative;
display: none;
overflow: hidden;
margin: 0px -15px 0px;
padding: 0px 0px !important;
-webkit-transition: height .35s ease;
-o-transition: height .35s ease;
transition: height .35s ease;
background-color: transparent;
}
.image-item{
position: relative;
}
.image-item .info{
position: absolute;
top:0px;
left:4px;
color: #ff9900;
font-size: 12px;
}
</style>
</head>
<body>
<header class="bar bar-nav">
<h1 class="title">拍照或者相冊選擇圖片上傳</h1>
</header>
<div class="content">
<div style="margin-top: 10px;"></div>
<input type="hidden" id="ckjl.id" name="ckjl.id" value="429">
<div class="collapse-content" >
<form>
<label class="row-label"></label>
<div id='F_CKJLBS' class="row image-list">
<div class="image-item " id="F_CKJLB" onclick="showActionSheet(this);"></div>
</div>
</form>
</div>
</div>
<script src="../../js/mui.min.js"></script>
<script>
var procinstid = 0;
//初始化頁面執行操作
function plusReady() {
//Android返回鍵監聽事件
plus.key.addEventListener('backbutton',function(){
myclose();
},false);
}
if (window.plus) {
plusReady();
} else {
document.addEventListener('plusready', plusReady, false);
}
//加載頁面初始化需要加載的圖片信息
function showImgDetail (imgId,imgkey,id,src) {
var html = "";
html +='<div id="Img'+imgId+imgkey+'" class="image-item ">';
html +=' <img id="picBig" data-preview-src="" data-preview-group="1" '+src+'/>';
html +=' <span class="del" οnclick="delImg(\''+imgId+'\',\''+imgkey+'\','+id+');">';
html +=' <div class="fa fa-times-circle"></div>';
html +=' </span>';
html +='</div>';
$("#"+imgkey+"S").append(html);
}
//刪除圖片
function delImg(imgId,imgkey,id){
var bts = ["是", "否"];
plus.nativeUI.confirm("是否刪除圖片？", function(e) {
var i = e.index;
if (i == 0) {
var itemname=id+"img-"+imgkey;
var itemvalue=plus.storage.getItem(itemname);
if(itemvalue!=null){
var index=itemvalue.indexOf(imgId+",");
if(index==-1){//沒有找到
delImgfromint(imgId,imgkey,id,index);
}else{
delImgFromLocal(itemname,itemvalue,imgId,imgkey,index); //修改，加了一個index參數
}
}else{
delImgfromint(imgId,imgkey,id);
}
}
},"查勘", bts);
/*var isdel = confirm("是否刪除圖片？");
if(isdel == false){
return;
}*/
}
function delImgFromLocal(itemname,itemvalue,imgId,imgkey,index){
var wa = plus.nativeUI.showWaiting();
var left=itemvalue.substr(0,index-1);
var right=itemvalue.substring(index,itemvalue.length);
var end=right.indexOf("}");
right=right.substring(end+1,right.length);
var newitem=left+right;
plus.storage.setItem(itemname,newitem);
myAlert("刪除成功");
$("#Img"+imgId+imgkey).remove();
wa.close();
}
//選取圖片的來源，拍照和相冊
function showActionSheet(conf){
var divid = conf.id;
var actionbuttons=[{title:"拍照"},{title:"相冊選取"}];
var actionstyle={title:"選擇照片",cancel:"取消",buttons:actionbuttons};
plus.nativeUI.actionSheet(actionstyle, function(e){
if(e.index==1){
getImage(divid);
}else if(e.index==2){
galleryImg(divid);
}
} );
}
//相冊選取圖片
function galleryImg(divid) {
plus.gallery.pick( function(p){
plus.io.resolveLocalFileSystemURL(p, function(entry) {
compressImage(entry.toLocalURL(),entry.name,divid);
}, function(e) {
plus.nativeUI.toast("讀取拍照文件錯誤：" + e.message);
});
}, function ( e ) {
}, {
filename: "_doc/camera/",
filter:"image"
} );
}
// 拍照
function getImage(divid) {
var cmr = plus.camera.getCamera();
cmr.captureImage(function(p) {
plus.io.resolveLocalFileSystemURL(p, function(entry) {
compressImage(entry.toLocalURL(),entry.name,divid);
}, function(e) {
plus.nativeUI.toast("讀取拍照文件錯誤：" + e.message);
});
}, function(e) {
}, {
filename: "_doc/camera/",
index: 1
});
}
//壓縮圖片
function compressImage(url,filename,divid){
var name="_doc/upload/"+divid+"-"+filename;//_doc/upload/F_ZDDZZ-1467602809090.jpg
plus.zip.compressImage({
src:url,//src: (String 類型 )壓縮轉換原始圖片的路徑
dst:name,//壓縮轉換目標圖片的路徑
quality:20,//quality: (Number 類型 )壓縮圖片的質量.取值範圍爲1-100
overwrite:true//overwrite: (Boolean 類型 )覆蓋生成新文件
},
function(event) {
//uploadf(event.target,divid);
var path = name;//壓縮轉換目標圖片的路徑
//event.target獲取壓縮轉換後的圖片url路
//filename圖片名稱
saveimage(event.target,divid,filename,path);
},function(error) {
plus.nativeUI.toast("壓縮圖片失敗，請稍候再試");
});
}
//保存信息到本地
/**
*
* @param {Object} url 圖片的地址
* @param {Object} divid 字段的名稱
* @param {Object} name 圖片的名稱
*/
function saveimage(url,divid,name,path){
var state=0;
var wt = plus.nativeUI.showWaiting();
// plus.storage.clear();
name=name.substring(0,name.indexOf("."));
var id = document.getElementById("ckjl.id").value;
var itemname=id+"img-"+divid;
var itemvalue=plus.storage.getItem(itemname);
if(itemvalue==null){
itemvalue="{"+name+","+path+","+url+"}";
}else{
itemvalue=itemvalue+"{"+name+","+path+","+url+"}";
}
plus.storage.setItem(itemname, itemvalue);
var src = 'src="'+url+'"';
//alert("itemvalue="+itemvalue);
showImgDetail(name,divid,id,src);
wt.close();
}
//上傳圖片，實例中沒有添加上傳按鈕
function uploadimge(agree,back) {
//plus.storage.clear();
var wa = plus.nativeUI.showWaiting();
var DkeyNames=[];
var id = document.getElementById("ckjl.id").value;
var length=id.toString().length;
var idnmae=id.toString();
var numKeys=plus.storage.getLength();
var task = plus.uploader.createUpload('http://demo.dcloud.net.cn/helloh5/uploader/upload.php', {
method: "POST"
},
function(t, status) {
if (status == 200) {
console.log("上傳成功");
} else {
wa.close();
console.log("上傳失敗");
}
}
);
task.addData("id",id);
for(var i=0; i<imgArray.length;i++){
var itemkey=id+"img-"+imgArray[i];
if(plus.storage.getItem(itemkey)!=null){
var itemvalue=plus.storage.getItem(itemkey).split("{");
for(var img=1;img<itemvalue.length;img++){
var imgname=itemvalue[img].substr(0,itemvalue[img].indexOf(","));
var imgurl=itemvalue[img].substring(itemvalue[img].indexOf(",")+1,itemvalue[img].lastIndexOf(","));
task.addFile(imgurl,{key:imgurl});
}
}
}
task.start();
}
</script>
</body>
</html> 
